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EP3599515B1 - Timepiece driving mechanism - Google Patents

Timepiece driving mechanism Download PDF

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Publication number
EP3599515B1
EP3599515B1 EP18185166.8A EP18185166A EP3599515B1 EP 3599515 B1 EP3599515 B1 EP 3599515B1 EP 18185166 A EP18185166 A EP 18185166A EP 3599515 B1 EP3599515 B1 EP 3599515B1
Authority
EP
European Patent Office
Prior art keywords
wheel
drive mechanism
arm
energy source
wheel set
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18185166.8A
Other languages
German (de)
French (fr)
Other versions
EP3599515A1 (en
Inventor
Johnny BÜHLER
Emmanuel BOUCHET
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harry Winston SA
Original Assignee
Harry Winston SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harry Winston SA filed Critical Harry Winston SA
Priority to EP18185166.8A priority Critical patent/EP3599515B1/en
Priority to US16/435,607 priority patent/US11493883B2/en
Priority to JP2019114360A priority patent/JP6792672B2/en
Priority to EP19187588.9A priority patent/EP3599517B1/en
Priority to RU2019123181A priority patent/RU2710974C1/en
Priority to CN201910672670.0A priority patent/CN110780570B/en
Publication of EP3599515A1 publication Critical patent/EP3599515A1/en
Priority to US16/912,183 priority patent/US11493884B2/en
Priority to JP2020121197A priority patent/JP7063949B2/en
Priority to RU2020123925A priority patent/RU2742378C1/en
Priority to CN202010710207.3A priority patent/CN112286031B/en
Application granted granted Critical
Publication of EP3599515B1 publication Critical patent/EP3599515B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/16—Barrels; Arbors; Barrel axles
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • G04B1/02—Driving mechanisms with driving weight
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • G04B17/285—Tourbillons or carrousels
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/02—Escapements permanently in contact with the regulating mechanism
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B7/00—Combined normal and automatic winding up

Definitions

  • the invention relates to a clockwork drive mechanism, comprising a structure on which is pivotally mounted, around a main axis, an arm carrying a first mechanism, which is pivotally mounted on said arm around a first pivot axis remote from said main axis and comprises a first wheel pivotally mounted around said first pivot axis or a pivot axis which is parallel thereto, said arm being subjected to the return torque of a first energy source, said drive mechanism further comprising at least a second energy source arranged to subject a third wheel set comprising said drive mechanism to a restoring torque, directly or indirectly through a second wheel set mounted pivoting around a second pivot axis.
  • the invention relates to the field of clockwork drive mechanisms, and the field of clockwork display mechanisms.
  • Fans of horological complications are sensitive to a certain animation of the displays of a timepiece, which can be provided by retrograde display mechanisms, or even tourbillon mechanisms or the like, which moreover guarantee better insensitivity to positions .
  • a splitting of the displays is also appreciated, and makes it possible to offer a new physiognomy of the dial or the mechanism.
  • Retrograde displays are generally limited to driving hands, or more rarely discs.
  • the document CH709331A2 on behalf of SEIKO INSTR. discloses a display mechanism that includes a cage unit comprising an escapement and a regulator, and an operation unit configured to differentiate the speed of movement of the cage unit with the passage of time and to move the unit cage in the direction approaching or away from a first axis which is the center of a particular display area, in which the operation unit moves the cage unit so that the movement path , reproduced when the cage unit moves in the direction approximating the first axis which is the center of the particular display area, is continuous with the movement trajectory reproduced when the cage unit moves in the direction moving away from the first axis which is the center of the particular display area.
  • the invention proposes to develop a retrograde drive mechanism which is capable of carrying mobiles with much greater inertia than hands, in particular tourbillons or the like, and therefore to propose entirely new displays.
  • the invention relates to a drive mechanism according to claim 1.
  • the invention also relates to a timepiece comprising at least one such drive mechanism.
  • the invention relates to a clockwork drive mechanism 100, which has the advantage of being able to be used in a watch, or even in a static timepiece, with new functionalities.
  • This drive mechanism 100 comprises a structure 110, such as a plate, bridge or the like, on which is mounted an arm 1 pivoting around a main axis D0.
  • This arm 1 carries a first mechanism which constitutes a satellite 10, which is pivotally mounted on the arm 1 about a first pivot axis D1, which is distant from the main axis D0.
  • This satellite 10 comprises a first wheel 11, which is pivotally mounted around the first pivot axis D1 or a secondary pivot axis D11 which is parallel to it.
  • the arm 1 is subjected to the return torque of a first energy source 12, such as a barrel, a weight system, or other.
  • a first energy source 12 such as a barrel, a weight system, or other.
  • the drive mechanism 100 further comprises at least a second energy source 22, which is arranged to subject a return torque to a third mobile 3 that the drive mechanism 100 comprises, directly or indirectly through a second mobile 2 pivotally mounted about a second pivot axis D2, as in the particular and non-limiting variant illustrated by the figures.
  • This second energy source 22 is the main energy source, and it is arranged to store more energy than the first energy source 12.
  • the first wheel 11 is arranged to roll on the third mobile 3 in a regular forward rolling motion, under the action of the restoring torque of the first energy source 12.
  • the satellite 10 thus constitutes a planetary mobile, which moves in rotation around the third mobile 3, around the main axis D0, always in the same direction, according to the arrow G (clockwise on the figure 1 ), and at constant speed.
  • the third mobile 3 is arranged to remain in a fixed position during a first elementary stroke of the satellite 10, and to perform a rotation, and in particular a rapid rotation, always in a single direction, that of anti-clockwise arrow B on the figure 1 and 2 , during a second elementary stroke of the stroke of the satellite 10, under the action of the second energy source 22.
  • the satellite 10 is or comprises a regulator member 15.
  • the first wheel drives an element of this regulator member 15. More particularly, this regulator member 15 is a tourbillon 150 or a carousel. Even more particularly, the first wheel 11 drives the cage of this tourbillon 150 or carousel, or constitutes this cage.
  • the arm 1 moves in the direction of the arrow E under the action of the first energy source 12 relative to the third mobile 3 when the latter is at stopping, while, when the third mobile 3 is returned under the action of the second energy source 22, the arm 1, which is carried by the third mobile 3, moves retrogradely in the direction of the arrow F, relative to the fixed structure 110, during the second elementary race of the satellite 10.
  • the axis D1 Due to the successive rotations of the arm in the first direction of advance along the arrow E, and in the second reverse direction along the arrow F, the axis D1 performs a limited angular travel around the main axis D0.
  • the first elementary stroke of the satellite 10 is much greater than the second elementary stroke of the stroke, in particular more than twenty times greater than the latter.
  • the complete cycle lasts one minute, with fifty-eight seconds of travel at slow speed of arm 1 in the first elementary stroke, and two seconds of rapid return of arm 1 in the first elementary stroke.
  • the invention makes it possible to modulate the ratio between the first stroke part and the second elementary stroke in another way, it is for example conceivable to obtain a first elementary stroke and a second elementary stroke that are equal.
  • the drive mechanism 100 comprises stop means 120, which are fixed to the structure 110, and which are more particularly arranged to cooperate with complementary stop means 123 that the third mobile 3 comprises for its maintenance in position, or that comprises another external mobile meshing directly or indirectly with the third mobile 3.
  • the stop means 120 more particularly comprise a release lever, which is arranged to cooperate successively with pins distributed on the third mobile 3, and which constitute these complementary stop means 123 in the non-limiting example illustrated by the figure 1 and 2 .
  • these pins are arranged angularly in a regular manner. It is nevertheless possible to design other angular spacings, to produce particular displays.
  • stop means 120 are disengageable, under the action of disengagement control means 13 that the arm 1 comprises, when the first wheel 11 completes its first elementary stroke, to authorize the pivoting of the third mobile 3 in a single direction ( anti-clockwise arrow B) under the action of the second energy source 22 by causing a retrograde rotation of the arm 1 until the start of its angular travel.
  • the third mobile 3 When the third mobile 3 is stationary in an angular stop position, the first wheel 11 performs a first elementary stroke, and the arm 1 moves in angular stroke forward at a slow speed which is its display speed .
  • the disengagement control means 13 disengage the stop means 120, and the third mobile 3 is then free and subjected to the torque of the second energy source 22, directly or through the second mobile 2 depending on the construction variant selected.
  • the third mobile 3 then performs a rotation, and more particularly a sudden and almost instantaneous rotation, before returning to another angular stop position between another pin 123 and the trigger lever 120. And this rotation of the third mobile 3 causes the return arm 1 retrogrades to its position at the start of angular stroke, and in particular in the case illustrated at an accelerated speed which is much greater than its slow display speed.
  • the first wheel 11 is arranged to roll inside the third mobile 3.
  • Many other configurations can be envisaged, in particular concerning the relative positions of the various pivot axes, with suitable cascades of referrals.
  • the third mobile 3 to torque from at least one third energy source, for example in direct mesh.
  • the operation of the drive mechanism 100 is dependent on the level of energy available at the level of the second energy source 22.
  • the second energy source is advantageously recharged by an automatic winding mechanism, not detailed here because it is well known to those skilled in the art: the first energy source 11 is permanently reset by the second energy source as long as the latter has sufficient energy, this first energy source 11 thus constitutes a buffer, and the drive of the satellite 10 by this first energy source 11 is thus a so-called constant-force mechanism, or more precisely a constant-torque mechanism.
  • the stop means 120 comprise a rocker, which forms a trigger lever, and which is pivotally mounted on a rocker axis D12, and which is biased in the direction of the arrow D by elastic return means 127, such as a spring or the like.
  • This rocker carries a rocker pin 129.
  • the arm 1 comprises a ramp 13, which is arranged to cooperate with the rocker pin 129, at the end of the angular advance stroke of the arm 1, and to push the rocker back in the direction of the arrow C, which makes it possible to eclipse a beak of the rocker comprising a support surface 128, which until then held in position a stop pin 123, which comprises the third mobile 3 (which comprises three at 120° in the present case).
  • the third mobile 3 is then released, and can turn, its previously immobilized pin 123 being able to pass under the arm 1.
  • the position of the pins 123 directs the triggering, they guarantee the precision of the duration of a total travel period.
  • the arm 1 comprises limiting means 20, which tend to oppose the motor torque of the first energy source 12, and which are arranged to limit the running speed of the first wheel 11.
  • limiting means 20 which tend to oppose the motor torque of the first energy source 12, and which are arranged to limit the running speed of the first wheel 11.
  • these limiting means 20 are braking and/or friction and/or regulating means. They may in particular comprise aerodynamic braking means, by eddy currents, or other.
  • the first street 11 can carry a second hand.
  • the limiting means 20 are means for regulating the running speed of the first wheel 11 around the third mobile 3.
  • the regulating mechanism is preferably at the level of the satellite 10 which constitutes a planetary mobile.
  • the means for regulating the rolling speed of the first wheel 11 around the third mobile 3 comprise a retainer 17, such as an anchor or the like, and which is arranged to cooperate discontinuously with the first wheel 11, or with a mobile synchronous with the first wheel 11, or with a fourth mobile meshing directly or indirectly with the first wheel 11.
  • the second pivot axis D2 is parallel to the main axis D0 and separate from it.
  • the third mobile 3 is arranged to pivot around the main axis D0.
  • the satellite 10 constitutes all or part of the limitation means 20, and is a regulating member 15.
  • the regulating member 15 comprises at least one inertial mass 1700 subjected to an alternating pivoting movement by an anchor 170, which the retainer 17 comprises, and which is arranged to cooperate with a ratchet 18 driven directly or indirectly by the first wheel 11.
  • the ratchet 18 is coaxial with the first wheel 11.
  • this ratchet 18 is an escape wheel.
  • the regulator member 15 is a tourbillon 150, and the first wheel 11 drives the tourbillon cage 150, or constitutes the tourbillon cage 150.
  • the axis of the resonator mechanism typically a balance-spring, which comprises the regulator member 15, coincides with the first pivot axis D1.
  • the regulating member 15 is a carousel, and the first wheel 11 drives the carousel cage or constitutes the carousel cage.
  • the axis of the resonator mechanism typically a balance-spring, which the regulator member 15 comprises, is a secondary pivot axis, parallel to the first pivot axis D1, for example located at the distal end of a regulator 19 as illustrated in the figure 1 and 2 .
  • the regulator member 15, tourbillon or carousel, or other comprises such a regulator 19, which is driven directly or indirectly by the first wheel 1.
  • this regulator 19 is synchronous with the first wheel 11, and is capable of forming a first display of a first temporal quantity.
  • the regulator 19 is a tourbillon or carousel cage.
  • each mobile of the drive mechanism according to the invention can be used for a particular display.
  • the arm 1 constitutes or drives a display of a second temporal quantity.
  • This arm can carry off-center displays, for example on stars mounted pivoting on arm 1.
  • the third mobile 3 constitutes or drives a display of a third temporal quantity, for example a display of the minutes advancing by jumps.
  • the second mobile 2 constitutes or drives a power reserve display.
  • the drive mechanism according to the invention allows a very lively display of the passage of time, by the very visible rolling of the first wheel 11 on the third mobile 3, and by the periodic retrograde return of the arm 1.
  • Each mobile can be used to carry an off-center display.
  • the invention also relates to a timepiece movement comprising at least one such drive mechanism 100.
  • the invention also relates to a timepiece 1000 comprising at least one such drive mechanism 100, and which in a first variant is a watch.
  • first energy source 12 and/or its second energy source 22 may conventionally comprise at least one barrel, and/or an electromechanical or other energy source.
  • the second energy source 22 is recharged by an automatic winding mechanism.
  • timepiece 1000 is static, and may in particular be a clock. Its first energy source 12 and/or its second energy source 22 may conventionally comprise at least one barrel, and/or an electromechanical or other energy source. Or its first energy source 12 and/or its second energy source 22 comprises at least one weight, and this timepiece 1000 then comprises means for winding up each weight. However, preferably the first energy source 12 is a barrel acting as a buffer, which means that only the second energy source 22 which supplies the first energy source 12 has to be raised.
  • the principle of the invention is applicable to many other variants, and to many particular applications.
  • This principle is illustrated, in a simplified way compared to the figure 1 and 2 , by the figures 4 to 9 , which comprise only the first energy source 12, illustrated in the form of a simple flat spring, the arm 1 carrying the first wheel 11, and the third mobile 3 on which this first wheel 11 rotates.
  • a tourbillon cage carried by the first wheel 11, completes one revolution per minute, the first wheel 11 moves on the third wheel set 3 for approximately 18 seconds when the third wheel set 3 is still in position stationary, and continues to roll on this third mobile during the two seconds that lasts the retrograde return of 120° of the third mobile 3 in the anti-clockwise direction in these figures.
  • the figure 5 shows the assembly in position just after such a retrograde return; the figure 6 shows an intermediate position X; the figure 7 shows the extreme angular position of arm 1 in clockwise stroke, and the figure 8 illustrates the retrograde counter-clockwise return of the third mobile (visible by the change in position of the pins 1, 2, 3) and of the arm 1 which it carries.
  • the figure 10 illustrates yet another variant, with an arm 1 making winding rake on a winding cylinder of the cage arm, constituting the first source of energy 12, which drives the arm 1 of the cage; under the effect of its torque, the tourbillon cage is driven and makes its rotation on the circumference of the third mobile 3, the arm 1 moves according to the frequency and the gear ratio.
  • the arm 1 leading the cage moves from its first position of 0° and arrives at its maximum position of 120°.
  • the second energy source 22 is unlocked, here consisting of the barrel of the base movement of a watch.
  • This barrel is in chain with a reduction mobile 223, and this in connection with the third mobile 3.
  • the force of the movement barrel 22 will drive the reduction mobile 223 and in fact will drive the third mobile 3 in anti-rotation.
  • the displacement in degrees of the third mobile 3 is managed via a gear train 221 and positioned by a stop pin at the level of a position lock 223, this gear train 221 can be linked either with the reduction mobile 223, or with the barrel movement 22.
  • a regulator with inverter comprising in particular a pinion, a ratchet 18, an anchor 170, is in series with the third mobile 3, and allows adjust the duration of the retrograde return, in particular between 1 and 10 seconds.
  • the first energy source 12 here the spring of the cage arm, resets, the cage continues to operate by moving on the circumference of the third mobile 3.
  • This variant of the figure 10 makes it possible to manage the angular stroke other than by the pins 123 of the variant of the figure 1 and 2 , which here replaces the gear train of position 221 it is here possible to manage other angular values, for example 360° to display a passage of date, or other.
  • the first source of energy 12 here the spring of the carriage arm, has a prewinding giving the torque necessary for the operation of the tourbillon, this force will remain constant.
  • This arrangement also makes it possible to make the correction of the moon directly by the crown, it is no longer necessary to integrate a corrector integrated into the caseband.
  • the invention ensures an almost constant driving force to the regulating mechanism, in particular a tourbillon or carousel cage, throughout the power reserve of the main barrel.
  • the figures 11 to 14 illustrate the wide latitude offered by the invention for the positioning of the various displays.
  • the hours and minutes are read on a dial at 12 o'clock, that of the power reserve on a sector with a retrograde hand at 9 o'clock, that of the moon and/or day/night display, or even sunset, or other, at 3 o'clock, while the tourbillon has a movement of 120°, and it is possible to orient the movement of the cage over 120° according to a substantially peripheral movement as on the figures 11 and 14 , or according to a movement around a maximally eccentric axis as on the figures 12 and 13 , with a retrograde movement of the cage respectively from left to right, or from right to left.
  • the value of 120° taken for the examples is in no way binding, the angular value depends on the duration of the desired hourly stroke, the value of the stroke retrograde is also adjustable, for example between 2 and 5 seconds, and makes it possible to obtain a non-sudden retrograde return, devoid of shock.
  • the retrograde return of the carriage powers the passing of the minutes.
  • Retrograde feedback is not linked to the frequency of the resonator mechanism, and has no influence on the rate of the movement.
  • the third mobile it is possible to equip the third mobile with several satellites 10 on its periphery. It is also possible to design a system on several floors to manage distinct functions.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electromechanical Clocks (AREA)
  • Retarders (AREA)
  • Transmission Devices (AREA)

Description

Domaine de l'inventionField of the invention

L'invention concerne un mécanisme d'entraînement d'horlogerie, comportant une structure sur laquelle est monté pivotant, autour d'un axe principal, un bras porteur d'un premier mécanisme, lequel est monté pivotant sur ledit bras autour d'un premier axe de pivotement distant dudit axe principal et comporte une première roue montée pivotante autour dudit premier axe de pivotement ou d'un axe de pivotement qui lui est parallèle, ledit bras étant soumis au couple de rappel d'une première source d'énergie, ledit mécanisme d'entraînement comportant encore au moins une deuxième source d'énergie agencée pour soumettre à un couple de rappel un troisième mobile que comporte ledit mécanisme d'entraînement, directement ou indirectement au travers d'un deuxième mobile monté pivotant autour d'un deuxième axe de pivotement.The invention relates to a clockwork drive mechanism, comprising a structure on which is pivotally mounted, around a main axis, an arm carrying a first mechanism, which is pivotally mounted on said arm around a first pivot axis remote from said main axis and comprises a first wheel pivotally mounted around said first pivot axis or a pivot axis which is parallel thereto, said arm being subjected to the return torque of a first energy source, said drive mechanism further comprising at least a second energy source arranged to subject a third wheel set comprising said drive mechanism to a restoring torque, directly or indirectly through a second wheel set mounted pivoting around a second pivot axis.

L'invention concerne le domaine des mécanismes d'entraînement d'horlogerie, et le domaine des mécanismes d'affichage d'horlogerie.The invention relates to the field of clockwork drive mechanisms, and the field of clockwork display mechanisms.

Arrière-plan de l'inventionBackground of the invention

Les amateurs de complications horlogères sont sensibles à une certaine animation des affichages d'une pièce d'horlogerie, ce que peuvent procurer des mécanismes d'affichage rétrograde, ou encore des mécanismes de tourbillon ou similaire, qui de surcroît garantissent une meilleure insensibilité aux positions.Fans of horological complications are sensitive to a certain animation of the displays of a timepiece, which can be provided by retrograde display mechanisms, or even tourbillon mechanisms or the like, which moreover guarantee better insensitivity to positions .

Un éclatement des affichages est également apprécié, et permet d'offrir une nouvelle physionomie du cadran ou du mécanisme.A splitting of the displays is also appreciated, and makes it possible to offer a new physiognomy of the dial or the mechanism.

Les affichages rétrogrades sont généralement limités à l'entraînement d'aiguilles, ou plus rarement de disques.Retrograde displays are generally limited to driving hands, or more rarely discs.

L'entraînement rétrograde d'une cage de tourbillon ou de carrousel n'a jamais pu être effectué, car une cage ne peut revenir en arrière sur sa roue fixe, et doit tourner toujours dans le même sens. Si l'on introduit un système de débrayage, par came ou similaire, pour ramener la cage en arrière, la marche cesse durant le mouvement rétrograde, ce qui n'est pas admissible.The retrograde drive of a tourbillon or carousel cage has never been possible, because a cage cannot go back on its fixed wheel, and must always turn in the same direction. If we introduce a disengagement system, by cam or similar, to bring the cage back, the march stops during the retrograde movement, which is not admissible.

Le document CH709331A2 au nom de SEIKO INSTR. décrit un mécanisme d'affichage qui comprend une unité de cage comprenant un échappement et un régulateur, et une unité de fonctionnement configurée pour différencier la vitesse de déplacement de l'unité de cage avec le passage du temps et pour déplacer l'unité de cage dans la direction se rapprochant de ou s'éloignant d'un premier axe qui est le centre d'une zone d'affichage particulier, dans lequel l'unité de fonctionnement déplace l'unité de cage de manière que la trajectoire de mouvement, reproduite lorsque l'unité de cage se déplace dans la direction se rapprochant du premier axe qui est le centre de la zone d'affichage particulier, est en continuité avec la trajectoire de mouvement reproduite lorsque l'unité de cage se déplace dans la direction s'éloignant du premier axe qui est le centre de la zone d'affichage particulier.The document CH709331A2 on behalf of SEIKO INSTR. discloses a display mechanism that includes a cage unit comprising an escapement and a regulator, and an operation unit configured to differentiate the speed of movement of the cage unit with the passage of time and to move the unit cage in the direction approaching or away from a first axis which is the center of a particular display area, in which the operation unit moves the cage unit so that the movement path , reproduced when the cage unit moves in the direction approximating the first axis which is the center of the particular display area, is continuous with the movement trajectory reproduced when the cage unit moves in the direction moving away from the first axis which is the center of the particular display area.

Le document CH705938A1 au nom de ULYSSE NARDIN décrit un rouage planétaire pour une pièce d'horlogerie pour transférer de l'énergie de l'entrée du rouage planétaire à la sortie du rouage planétaire, le rouage comprenant:

  • une première roue ayant un premier axe de rotation ;
  • une première roue de satellite, ayant un deuxième axe de rotation parallèle au premier axe de rotation, et agencée pour coopérer avec la première roue;
  • une deuxième roue de satellite, ayant le deuxième axe de rotation, et solidaire de la première roue de satellite;
  • une quatrième roue ayant le premier axe de rotation, et agencée pour coopérer avec la deuxième roue de satellite; et
  • un châssis ayant le premier axe de rotation, le châssis reliant le premier axe de rotation et le deuxième axe de rotation de telle manière que la première roue de satellite et la deuxième roue de satellite sont portées par le châssis,
dans lequel la première roue de satellite et la deuxième roue de satellite sont agencées pour tourner autour du premier axe de rotation dans l'état dans lequel le châssis peut tourner autour du premier axe de rotation, et dans lequel le châssis est agencé pour être lié mécaniquement, soit directement, soit indirectement, à une première pièce de la pièce d'horlogerie, et la première roue ou la quatrième roue est agencée pour être liée mécaniquement, soit directement, soit indirectement, à une deuxième pièce de la pièce d'horlogerie.The document CH705938A1 on behalf of ULYSSE NARDIN describes a planetary gear train for a timepiece for transferring energy from the input of the planetary gear train to the output of the planetary gear train, the gear train comprising:
  • a first wheel having a first axis of rotation;
  • a first satellite wheel, having a second axis of rotation parallel to the first axis of rotation, and arranged to cooperate with the first wheel;
  • a second satellite wheel, having the second axis of rotation, and integral with the first satellite wheel;
  • a fourth wheel having the first axis of rotation, and arranged to cooperate with the second satellite wheel; and
  • a frame having the first axis of rotation, the frame connecting the first axis of rotation and the second axis of rotation such that the first satellite wheel and the second satellite wheel are carried by the frame,
wherein the first satellite wheel and the second satellite wheel are arranged to rotate around the first axis of rotation in the state that the frame can rotate around the first axis of rotation, and wherein the frame is arranged to be linked mechanically, either directly or indirectly, to a first part of the timepiece, and the first wheel or the fourth wheel is arranged to be mechanically linked, either directly or indirectly, to a second part of the timepiece .

Résumé de l'inventionSummary of the invention

L'invention se propose de développer un mécanisme d'entraînement rétrograde qui soit capable d'embarquer des mobiles d'inertie beaucoup plus importante que des aiguilles, notamment des tourbillons ou similaires, et de ce fait de proposer des affichages entièrement nouveaux.The invention proposes to develop a retrograde drive mechanism which is capable of carrying mobiles with much greater inertia than hands, in particular tourbillons or the like, and therefore to propose entirely new displays.

A cet effet, l'invention concerne un mécanisme d'entraînement selon la revendication 1.To this end, the invention relates to a drive mechanism according to claim 1.

L'invention concerne encore une pièce d'horlogerie comportant au moins un tel mécanisme d'entraînement.The invention also relates to a timepiece comprising at least one such drive mechanism.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :

  • la figure 1 représente, de façon schématisée, et en vue en plan, un mécanisme selon l'invention ;
  • la figure 2 représente, de façon schématisée, et en perspective éclatée, le mécanisme de la figure 1,
  • la figure 3 est un schéma-blocs représentant une pièce d'horlogerie comportant un tel mécanisme ;
  • les figures 4 à 9 illustrent, de façon partielle, une autre variante, fonctionnant sur une course angulaire de 120° du bras, tel que visible sur la figure 4 en vue en plan, comme les figures 5 à 8 qui illustrent les positions des mobiles à différents instants, la figure 9 étant une vue de côté de ce mécanisme ;
  • la figure 10 représente, de façon schématisée, et en vue en plan, une autre variante encore de mécanisme selon l'invention ;
  • les figures 11 à 14 illustrent, en vue en plan, différentes implantations sur une montre d'un mécanisme selon l'invention.
Other characteristics and advantages of the invention will appear on reading the detailed description which follows, with reference to the appended drawings, where:
  • the figure 1 represents, schematically, and in plan view, a mechanism according to the invention;
  • the picture 2 represents, in a schematic way, and in exploded perspective, the mechanism of the figure 1 ,
  • the picture 3 is a block diagram representing a timepiece comprising such a mechanism;
  • them figures 4 to 9 partially illustrate another variant, operating on an angular travel of 120° of the arm, as seen on the figure 4 in plan view, such as figures 5 to 8 which illustrate the positions of the mobiles at different times, the figure 9 being a side view of this mechanism;
  • the figure 10 represents, schematically, and in plan view, yet another alternative mechanism according to the invention;
  • them figures 11 to 14 illustrate, in plan view, different layouts on a watch of a mechanism according to the invention.

Description détaillée des modes de réalisation préférésDetailed Description of Preferred Embodiments

L'invention concerne un mécanisme d'entraînement 100 d'horlogerie, qui présente l'intérêt de pouvoir être utilisé dans une montre, ou encore dans une pièce d'horlogerie statique, avec des fonctionnalités nouvelles.The invention relates to a clockwork drive mechanism 100, which has the advantage of being able to be used in a watch, or even in a static timepiece, with new functionalities.

Ce mécanisme d'entraînement 100 comporte une structure 110, telle que platine, pont ou similaire, sur laquelle est monté un bras 1 pivotant autour d'un axe principal D0. Ce bras 1 est porteur d'un premier mécanisme qui constitue un satellite 10, lequel est monté pivotant sur le bras 1 autour d'un premier axe de pivotement D1, qui est distant de l'axe principal D0. Ce satellite 10 comporte une première roue 11, qui est montée pivotante autour du premier axe de pivotement D1 ou d'un axe de pivotement secondaire D11 qui lui est parallèle.This drive mechanism 100 comprises a structure 110, such as a plate, bridge or the like, on which is mounted an arm 1 pivoting around a main axis D0. This arm 1 carries a first mechanism which constitutes a satellite 10, which is pivotally mounted on the arm 1 about a first pivot axis D1, which is distant from the main axis D0. This satellite 10 comprises a first wheel 11, which is pivotally mounted around the first pivot axis D1 or a secondary pivot axis D11 which is parallel to it.

Le bras 1 est soumis au couple de rappel d'une première source d'énergie 12, telle qu'un barillet, un système de poids, ou autre.The arm 1 is subjected to the return torque of a first energy source 12, such as a barrel, a weight system, or other.

Le mécanisme d'entraînement 100 comporte encore au moins une deuxième source d'énergie 22, qui est agencée pour soumettre à un couple de rappel un troisième mobile 3 que comporte le mécanisme d'entraînement 100, directement ou indirectement au travers d'un deuxième mobile 2 monté pivotant autour d'un deuxième axe de pivotement D2, comme dans la variante particulière et non limitative illustrée par les figures.The drive mechanism 100 further comprises at least a second energy source 22, which is arranged to subject a return torque to a third mobile 3 that the drive mechanism 100 comprises, directly or indirectly through a second mobile 2 pivotally mounted about a second pivot axis D2, as in the particular and non-limiting variant illustrated by the figures.

Cette deuxième source d'énergie 22 est la source d'énergie principale, et elle est agencée pour stocker davantage d'énergie que la première source d'énergie 12.This second energy source 22 is the main energy source, and it is arranged to store more energy than the first energy source 12.

Selon l'invention, la première roue 11 est agencée pour rouler sur le troisième mobile 3 dans un mouvement de roulement d'avance régulier, sous l'action du couple de rappel de la première source d'énergie 12.According to the invention, the first wheel 11 is arranged to roll on the third mobile 3 in a regular forward rolling motion, under the action of the restoring torque of the first energy source 12.

Le satellite 10 constitue, ainsi, un mobile planétaire, qui se déplace en rotation autour du troisième mobile 3, autour de l'axe principal D0, toujours dans le même sens, selon la flèche G (sens horaire sur la figure 1), et à vitesse constante.The satellite 10 thus constitutes a planetary mobile, which moves in rotation around the third mobile 3, around the main axis D0, always in the same direction, according to the arrow G (clockwise on the figure 1 ), and at constant speed.

De façon propre à l'invention, le troisième mobile 3 est agencé pour rester en position fixe pendant une première course élémentaire du satellite 10, et pour effectuer une rotation, et de façon particulière une rotation rapide, toujours dans un seul sens, celui de la flèche B anti-horaire sur les figures 1 et 2, pendant une deuxième course élémentaire de la course du satellite 10, sous l'action de la deuxième source d'énergie 22.In a manner specific to the invention, the third mobile 3 is arranged to remain in a fixed position during a first elementary stroke of the satellite 10, and to perform a rotation, and in particular a rapid rotation, always in a single direction, that of anti-clockwise arrow B on the figure 1 and 2 , during a second elementary stroke of the stroke of the satellite 10, under the action of the second energy source 22.

De façon particulière et propre à l'invention, le satellite 10 est ou comporte un organe régulateur 15. La première roue entraîne un élément de cet organe régulateur 15. Plus particulièrement, cet organe régulateur 15 est un tourbillon 150 ou un carrousel. Plus particulièrement encore, la première roue 11 entraîne la cage de ce tourbillon 150 ou carrousel, ou constitue cette cage.In a particular manner and specific to the invention, the satellite 10 is or comprises a regulator member 15. The first wheel drives an element of this regulator member 15. More particularly, this regulator member 15 is a tourbillon 150 or a carousel. Even more particularly, the first wheel 11 drives the cage of this tourbillon 150 or carousel, or constitutes this cage.

Ainsi, selon l'invention, par rapport à la structure fixe 110, le bras 1 se déplace dans le sens de la flèche E sous l'action de la première source d'énergie 12 relativement au troisième mobile 3 quand celui-ci est à l'arrêt, tandis que, lors du rappel du troisième mobile 3 sous l'action de la deuxième source d'énergie 22, le bras 1, qui est porté par le troisième mobile 3, se déplace de façon rétrograde dans le sens de la flèche F, par rapport à la structure fixe 110, pendant la deuxième course élémentaire du satellite 10.Thus, according to the invention, with respect to the fixed structure 110, the arm 1 moves in the direction of the arrow E under the action of the first energy source 12 relative to the third mobile 3 when the latter is at stopping, while, when the third mobile 3 is returned under the action of the second energy source 22, the arm 1, which is carried by the third mobile 3, moves retrogradely in the direction of the arrow F, relative to the fixed structure 110, during the second elementary race of the satellite 10.

On comprend que le satellite 10 roule en permanence autour du troisième mobile 3, et qu'il continue à tourner par rapport au troisième mobile 3 pendant la rotation de ce dernier. Il y a donc une alternance de premières courses élémentaires et de deuxièmes courses élémentaires.It is understood that the satellite 10 rolls permanently around the third mobile 3, and that it continues to rotate relative to the third mobile 3 during the rotation of the latter. There is therefore an alternation of first elementary races and second elementary races.

Du fait des rotations successives du bras dans le premier sens d'avance selon la flèche E, et selon le deuxième sens réverse selon la flèche F, l'axe D1 effectue une course angulaire limitée autour de l'axe principal D0.Due to the successive rotations of the arm in the first direction of advance along the arrow E, and in the second reverse direction along the arrow F, the axis D1 performs a limited angular travel around the main axis D0.

De façon particulière et non limitative, la première course élémentaire du satellite 10, est très supérieure à la deuxième course élémentaire de la course, notamment plus de vingt fois supérieure à celle-ci.In a particular and non-limiting manner, the first elementary stroke of the satellite 10 is much greater than the second elementary stroke of the stroke, in particular more than twenty times greater than the latter.

Dans l'exemple avantageux illustré par les figures 1 et 2, le cycle complet dure une minute, avec cinquante-huit secondes de parcours à vitesse lente du bras 1 dans la première course élémentaire, et deux secondes de retour rapide du bras 1 dans la première course élémentaire.In the advantageous example illustrated by the figure 1 and 2 , the complete cycle lasts one minute, with fifty-eight seconds of travel at slow speed of arm 1 in the first elementary stroke, and two seconds of rapid return of arm 1 in the first elementary stroke.

L'invention permet toutefois de moduler autrement le rapport entre la première partie de course et la deuxième course élémentaire de course, il est par exemple imaginable d'obtenir une première course élémentaire et une deuxième course élémentaire égales.The invention, however, makes it possible to modulate the ratio between the first stroke part and the second elementary stroke in another way, it is for example conceivable to obtain a first elementary stroke and a second elementary stroke that are equal.

Dans la variante de l'invention illustrée par les figures 1 et 2, pour gérer le mouvement de rotation du troisième mobile 3, le mécanisme d'entraînement 100 comporte des moyens d'arrêt 120, qui sont fixés sur la structure 110, et qui sont plus particulièrement agencés pour coopérer avec des moyens d'arrêt complémentaire 123 que comporte le troisième mobile 3 pour son maintien en position, ou que comporte un autre mobile extérieur engrenant directement ou indirectement avec le troisième mobile 3. Les moyens d'arrêt 120 comportent plus particulièrement un levier déclencheur, qui est agencé pour coopérer successivement avec des goupilles réparties sur le troisième mobile 3, et qui constituent ces moyens d'arrêt complémentaire 123 dans l'exemple non limitatif illustré par les figures 1 et 2. Dans l'exemple illustré ces goupilles sont disposées angulairement de façon régulière. Il est néanmoins possible de concevoir d'autres espacements angulaires, pour réaliser des affichages particuliers.In the variant of the invention illustrated by the figure 1 and 2 , to manage the rotational movement of the third mobile 3, the drive mechanism 100 comprises stop means 120, which are fixed to the structure 110, and which are more particularly arranged to cooperate with complementary stop means 123 that the third mobile 3 comprises for its maintenance in position, or that comprises another external mobile meshing directly or indirectly with the third mobile 3. The stop means 120 more particularly comprise a release lever, which is arranged to cooperate successively with pins distributed on the third mobile 3, and which constitute these complementary stop means 123 in the non-limiting example illustrated by the figure 1 and 2 . In the example shown, these pins are arranged angularly in a regular manner. It is nevertheless possible to design other angular spacings, to produce particular displays.

Ces moyens d'arrêt 120 sont débrayables, sous l'action de moyens de commande de débrayage 13 que comporte le bras 1, quand la première roue 11 termine sa première course élémentaire, pour autoriser le pivotement du troisième mobile 3 dans un sens unique (flèche B anti-horaire) sous l'action de la deuxième source d'énergie 22 en entraînant une rotation rétrograde du bras 1 jusqu'au début de sa course angulaire.These stop means 120 are disengageable, under the action of disengagement control means 13 that the arm 1 comprises, when the first wheel 11 completes its first elementary stroke, to authorize the pivoting of the third mobile 3 in a single direction ( anti-clockwise arrow B) under the action of the second energy source 22 by causing a retrograde rotation of the arm 1 until the start of its angular travel.

Quand le troisième mobile 3 est à l'arrêt dans une position angulaire de butée, la première roue 11 effectue une première course élémentaire, et le bras 1 se déplace en course angulaire d'avance à une vitesse lente qui est sa vitesse d'affichage. A la fin de cette première course élémentaire de la première roue 11, les moyens de commande de débrayage 13 débrayent les moyens d'arrêt 120, et le troisième mobile 3 est alors libre et soumis au couple de la deuxième source d'énergie 22, directement ou au travers du deuxième mobile 2 selon la variante de construction retenue. Le troisième mobile 3 effectue alors une rotation, et plus particulièrement une rotation brusque et quasiment instantanée, avant de revenir à une autre position angulaire de butée entre une autre goupille 123 et le levier déclencheur 120. Et cette rotation du troisième mobile 3 entraîne le retour rétrograde du bras 1 à sa position de début de course angulaire, et notamment dans le cas illustré à une vitesse accélérée qui est très supérieure à sa vitesse lente d'affichage.When the third mobile 3 is stationary in an angular stop position, the first wheel 11 performs a first elementary stroke, and the arm 1 moves in angular stroke forward at a slow speed which is its display speed . At the end of this first elementary stroke of the first wheel 11, the disengagement control means 13 disengage the stop means 120, and the third mobile 3 is then free and subjected to the torque of the second energy source 22, directly or through the second mobile 2 depending on the construction variant selected. The third mobile 3 then performs a rotation, and more particularly a sudden and almost instantaneous rotation, before returning to another angular stop position between another pin 123 and the trigger lever 120. And this rotation of the third mobile 3 causes the return arm 1 retrogrades to its position at the start of angular stroke, and in particular in the case illustrated at an accelerated speed which is much greater than its slow display speed.

Dans une autre variante, la première roue 11 est agencée pour rouler à l'intérieur du troisième mobile 3. Bien d'autres configurations sont envisageables, notamment concernant les positions relatives des différents axes de pivotement, avec des cascades de renvois adaptées.In another variant, the first wheel 11 is arranged to roll inside the third mobile 3. Many other configurations can be envisaged, in particular concerning the relative positions of the various pivot axes, with suitable cascades of referrals.

Naturellement il est encore possible de soumettre le troisième mobile 3 au couple d'au moins une troisième source d'énergie, par exemple en engrènement direct.Of course, it is still possible to subject the third mobile 3 to torque from at least one third energy source, for example in direct mesh.

Le fonctionnement du mécanisme d'entraînement 100 est tributaire du niveau d'énergie disponible au niveau de la deuxième source d'énergie 22. Dans le cas où le mécanisme d'entraînement 100 est intégré dans une montre, la deuxième source d'énergie est avantageusement rechargée par un mécanisme de remontage automatique, non détaillé ici car bien connue de l'homme du métier : la première source d'énergie 11 est en permanence réarmée par la deuxième source d'énergie tant que celle-ci dispose de suffisamment d'énergie, cette première source d'énergie 11 constitue ainsi un tampon, et l'entraînement du satellite 10 par cette première source d'énergie 11 est ainsi un mécanisme dit à force constante, ou plus précisément à couple constant.The operation of the drive mechanism 100 is dependent on the level of energy available at the level of the second energy source 22. In the case where the drive mechanism 100 is integrated into a watch, the second energy source is advantageously recharged by an automatic winding mechanism, not detailed here because it is well known to those skilled in the art: the first energy source 11 is permanently reset by the second energy source as long as the latter has sufficient energy, this first energy source 11 thus constitutes a buffer, and the drive of the satellite 10 by this first energy source 11 is thus a so-called constant-force mechanism, or more precisely a constant-torque mechanism.

Dans la variante très compacte illustrée par les figures 1 et 2, les moyens d'arrêt 120 comportent une bascule, qui forme un levier déclencheur, et qui est montée pivotante sur un axe de bascule D12, et qui est rappelée dans le sens de la flèche D par des moyens de rappel élastique 127, tels que ressort ou similaire. Cette bascule porte une goupille de bascule 129.In the very compact variant illustrated by the figure 1 and 2 , the stop means 120 comprise a rocker, which forms a trigger lever, and which is pivotally mounted on a rocker axis D12, and which is biased in the direction of the arrow D by elastic return means 127, such as a spring or the like. This rocker carries a rocker pin 129.

Le bras 1 comporte une rampe 13, qui est agencée pour coopérer avec la goupille de bascule 129, en fin de course angulaire d'avance du bras 1, et pour repousser la bascule dans le sens de la flèche C, ce qui permet d'éclipser un bec de la bascule comportant une surface d'appui 128, qui jusque-là maintenait en position une goupille de butée 123, que comporte le troisième mobile 3 (qui en comporte trois à 120° dans le cas d'espèce). Le troisième mobile 3 est alors libéré, et peut tourner, sa goupille 123 précédemment immobilisée pouvant passer sous le bras 1. La position des goupilles 123 dirige le déclenchement, elles sont garantes de la précision de la durée d'une période de course totale.The arm 1 comprises a ramp 13, which is arranged to cooperate with the rocker pin 129, at the end of the angular advance stroke of the arm 1, and to push the rocker back in the direction of the arrow C, which makes it possible to eclipse a beak of the rocker comprising a support surface 128, which until then held in position a stop pin 123, which comprises the third mobile 3 (which comprises three at 120° in the present case). The third mobile 3 is then released, and can turn, its previously immobilized pin 123 being able to pass under the arm 1. The position of the pins 123 directs the triggering, they guarantee the precision of the duration of a total travel period.

De façon avantageuse, le bras 1 comporte des moyens de limitation 20, qui tendent à s'opposer au couple moteur de la première source d'énergie 12, et qui sont agencés pour limiter la vitesse de roulement de la première roue 11. En effet, tout ce qui peut ralentir le système est avantageux, pour un fonctionnement régulier du mécanisme à force constante que constitue l'invention.Advantageously, the arm 1 comprises limiting means 20, which tend to oppose the motor torque of the first energy source 12, and which are arranged to limit the running speed of the first wheel 11. Indeed , anything that can slow down the system is advantageous for regular operation of the constant-force mechanism constituted by the invention.

Plus particulièrement, ces moyens de limitation 20 sont des moyens de freinage et/ou de friction et/ou de régulation. Ils peuvent notamment comporter des moyens de freinage aérodynamique, par courants de Foucault, ou autre. Par exemple, la première rue 11 peut porter une aiguille des secondes.More particularly, these limiting means 20 are braking and/or friction and/or regulating means. They may in particular comprise aerodynamic braking means, by eddy currents, or other. For example, the first street 11 can carry a second hand.

Plus particulièrement encore, comme dans le cas non limitatif illustré par les figures 1 et 2, les moyens de limitation 20 sont des moyens de régulation de la vitesse de roulement de la première roue 11 autour du troisième mobile 3. Le mécanisme régulateur est de préférence au niveau du satellite 10 qui constitue un mobile planétaire.Even more particularly, as in the non-limiting case illustrated by the figure 1 and 2 , the limiting means 20 are means for regulating the running speed of the first wheel 11 around the third mobile 3. The regulating mechanism is preferably at the level of the satellite 10 which constitutes a planetary mobile.

Tel que visible dans une variante non limitative illustrée par les figures 1 et 2, les moyens de régulation de la vitesse de roulement de la première roue 11 autour du troisième mobile 3 comportent un arrêtoir 17, tel qu'une ancre ou similaire, et qui est agencé pour coopérer de façon discontinue avec la première roue 11, ou avec un mobile synchrone de la première roue 11, ou avec un quatrième mobile engrenant directement ou indirectement avec la première roue 11.As visible in a non-limiting variant illustrated by the figure 1 and 2 , the means for regulating the rolling speed of the first wheel 11 around the third mobile 3 comprise a retainer 17, such as an anchor or the like, and which is arranged to cooperate discontinuously with the first wheel 11, or with a mobile synchronous with the first wheel 11, or with a fourth mobile meshing directly or indirectly with the first wheel 11.

De façon particulière et tel que visible sur les figures 1 et 2, le deuxième axe de pivotement D2 est parallèle à l'axe principal D0 et distinct de lui.In a particular way and as visible on the figure 1 and 2 , the second pivot axis D2 is parallel to the main axis D0 and separate from it.

De façon particulière et tel que visible sur les figures1 et 2, le troisième mobile 3 est agencé pour pivoter autour de l'axe principal D0.In a particular way and as visible on the figures1 and 2 , the third mobile 3 is arranged to pivot around the main axis D0.

Tout particulièrement, le satellite 10 constitue tout ou partie des moyens de limitation 20, et est un organe régulateur 15.In particular, the satellite 10 constitutes all or part of the limitation means 20, and is a regulating member 15.

Plus particulièrement, l'organe régulateur 15 comporte au moins une masse inertielle 1700 soumise à un mouvement de pivotement alternatif par une ancre 170, que comporte l'arrêtoir 17, et qui est agencée pour coopérer avec un rochet 18 entraîné directement ou indirectement par la première roue 11.More particularly, the regulating member 15 comprises at least one inertial mass 1700 subjected to an alternating pivoting movement by an anchor 170, which the retainer 17 comprises, and which is arranged to cooperate with a ratchet 18 driven directly or indirectly by the first wheel 11.

Plus particulièrement, le rochet 18 est coaxial à la première roue 11.More particularly, the ratchet 18 is coaxial with the first wheel 11.

Plus particulièrement ce rochet 18 est une roue d'échappement.More particularly this ratchet 18 is an escape wheel.

Dans une exécution particulière, l'organe régulateur 15.est un tourbillon 150, et la première roue 11 entraîne la cage du tourbillon 150, ou bien constitue la cage du tourbillon 150. Dans ce cas, l'axe du mécanisme résonateur, typiquement un balancier-spiral, que comporte l'organe régulateur 15, est confondu avec le premier axe de pivotement D1.In a particular embodiment, the regulator member 15 is a tourbillon 150, and the first wheel 11 drives the tourbillon cage 150, or constitutes the tourbillon cage 150. In this case, the axis of the resonator mechanism, typically a balance-spring, which comprises the regulator member 15, coincides with the first pivot axis D1.

Dans une autre exécution particulière similaire, l'organe régulateur 15 est un carrousel, et la première roue 11 entraîne la cage du carrousel ou constitue la cage du carrousel. Dans ce cas, l'axe du mécanisme résonateur, typiquement un balancier-spiral, que comporte l'organe régulateur 15, est un axe de pivotement secondaire, parallèle au premier axe de pivotement D1, par exemple situé à l'extrémité distale d'un régulateur 19 tel qu'illustré sur les figures 1 et 2.In another similar particular embodiment, the regulating member 15 is a carousel, and the first wheel 11 drives the carousel cage or constitutes the carousel cage. In this case, the axis of the resonator mechanism, typically a balance-spring, which the regulator member 15 comprises, is a secondary pivot axis, parallel to the first pivot axis D1, for example located at the distal end of a regulator 19 as illustrated in the figure 1 and 2 .

Plus particulièrement, l'organe régulateur 15, tourbillon ou carrousel, ou autre, comporte un tel régulateur 19, qui est entraîné directement ou indirectement par la première roue 1.More particularly, the regulator member 15, tourbillon or carousel, or other, comprises such a regulator 19, which is driven directly or indirectly by the first wheel 1.

Plus particulièrement, ce régulateur 19 est synchrone avec la première roue 11, et est apte à constituer un premier afficheur d'une première grandeur temporelle.More particularly, this regulator 19 is synchronous with the first wheel 11, and is capable of forming a first display of a first temporal quantity.

Plus particulièrement encore, le régulateur 19 est une cage de tourbillon ou de carrousel.More particularly still, the regulator 19 is a tourbillon or carousel cage.

Chaque mobile du mécanisme d'entraînement selon l'invention est utilisable pour un affichage particulier. Ainsi, plus particulièrement, le bras 1 constitue ou entraîne un afficheur d'une deuxième grandeur temporelle. Ce bras peut porter des affichages excentrés, par exemple sur des étoiles montées pivotantes sur le bras 1.Each mobile of the drive mechanism according to the invention can be used for a particular display. Thus, more particularly, the arm 1 constitutes or drives a display of a second temporal quantity. This arm can carry off-center displays, for example on stars mounted pivoting on arm 1.

De façon similaire, plus particulièrement, le troisième mobile 3 constitue ou entraîne un afficheur d'une troisième grandeur temporelle, par exemple un afficheur des minutes avançant par sauts.In a similar way, more particularly, the third mobile 3 constitutes or drives a display of a third temporal quantity, for example a display of the minutes advancing by jumps.

Plus particulièrement, le deuxième mobile 2 constitue ou entraîne un afficheur de réserve de marche.More particularly, the second mobile 2 constitutes or drives a power reserve display.

On comprend que le mécanisme d'entraînement selon l'invention autorise un affichage très vivant de l'écoulement du temps, par le roulement très visible de la première roue 11 sur le troisième mobile 3, et par le retour rétrograde périodique du bras 1. Chaque mobile est utilisable pour porter un affichage décentré.It is understood that the drive mechanism according to the invention allows a very lively display of the passage of time, by the very visible rolling of the first wheel 11 on the third mobile 3, and by the periodic retrograde return of the arm 1. Each mobile can be used to carry an off-center display.

L'invention concerne encore un mouvement d'horlogerie comportant au moins un tel mécanisme d'entraînement 100.The invention also relates to a timepiece movement comprising at least one such drive mechanism 100.

L'invention concerne encore une pièce d'horlogerie 1000 comportant au moins un tel mécanisme d'entraînement 100, et qui dans une première variante est une montre. Sa première source d'énergie 12 et/ou sa deuxième source d'énergie 22 peut classiquement comporter au moins un barillet, et/ou une source d'énergie électromécanique, ou autre. Avantageusement la deuxième source d'énergie 22 est rechargée par un mécanisme de remontage automatique.The invention also relates to a timepiece 1000 comprising at least one such drive mechanism 100, and which in a first variant is a watch. Its first energy source 12 and/or its second energy source 22 may conventionally comprise at least one barrel, and/or an electromechanical or other energy source. Advantageously the second energy source 22 is recharged by an automatic winding mechanism.

Dans une autre variante, la pièce d'horlogerie 1000 est statique, et peut être notamment une pendule. Sa première source d'énergie 12 et/ou sa deuxième source d'énergie 22 peut classiquement comporter au moins un barillet, et/ou une source d'énergie électromécanique, ou autre. Ou encore sa première source d'énergie 12 et/ou sa deuxième source d'énergie 22 comporte au moins un poids, et cette pièce d'horlogerie 1000 comporte alors des moyens de remontage de chaque poids. Toutefois de préférence la première source d'énergie 12 est un barillet faisant tampon, ce qui permet de ne devoir remonter que la deuxième source d'énergie 22 qui alimente la première source d'énergie 12.In another variant, timepiece 1000 is static, and may in particular be a clock. Its first energy source 12 and/or its second energy source 22 may conventionally comprise at least one barrel, and/or an electromechanical or other energy source. Or its first energy source 12 and/or its second energy source 22 comprises at least one weight, and this timepiece 1000 then comprises means for winding up each weight. However, preferably the first energy source 12 is a barrel acting as a buffer, which means that only the second energy source 22 which supplies the first energy source 12 has to be raised.

Le principe de l'invention est applicable à bien d'autres variantes, et à de nombreuses applications particulières. Ce principe est illustré, de façon simplifiée par rapport aux figures 1 et 2, par les figures 4 à 9, qui ne comportent que la première source d'énergie 12, illustrée sous la forme d'un simple ressort plat, le bras 1 porteur de la première roue 11, et le troisième mobile 3 sur lequel tourne cette première roue 11. Dans cet exemple, une cage de tourbillon, portée par la première roue 11, effectue un tour par minute, la première roue 11 se déplace sur le troisième mobile 3 pendant environ 18 secondes quand le troisième mobile 3 est encore en position fixe, et continue à rouler sur ce troisième mobile pendant les deux secondes que dure le retour rétrograde de 120° du troisième mobile 3 dans le sens anti-horaire sur ces figures. La figure 5 montre l'ensemble en position juste après un tel retour rétrograde ; la figure 6 montre une position intermédiaire X ; la figure 7 montre la position angulaire extrême du bras 1 en course horaire, et la figure 8 illustre le retour rétrograde en sens anti-horaire du troisième mobile (visible par le changement de position des repères 1, 2, 3) et du bras 1 qu'il porte.The principle of the invention is applicable to many other variants, and to many particular applications. This principle is illustrated, in a simplified way compared to the figure 1 and 2 , by the figures 4 to 9 , which comprise only the first energy source 12, illustrated in the form of a simple flat spring, the arm 1 carrying the first wheel 11, and the third mobile 3 on which this first wheel 11 rotates. In this example , a tourbillon cage, carried by the first wheel 11, completes one revolution per minute, the first wheel 11 moves on the third wheel set 3 for approximately 18 seconds when the third wheel set 3 is still in position stationary, and continues to roll on this third mobile during the two seconds that lasts the retrograde return of 120° of the third mobile 3 in the anti-clockwise direction in these figures. The figure 5 shows the assembly in position just after such a retrograde return; the figure 6 shows an intermediate position X; the figure 7 shows the extreme angular position of arm 1 in clockwise stroke, and the figure 8 illustrates the retrograde counter-clockwise return of the third mobile (visible by the change in position of the pins 1, 2, 3) and of the arm 1 which it carries.

La figure 10 illustre encore une autre variante, avec un bras 1 faisant râteau d'armage sur un barillet d'armage du bras de cage, constituant la première source d'énergie 12, qui mène le bras 1 de cage ; sous l'effet de son couple, la cage de tourbillon est menée et fait sa rotation sur la circonférence du troisième mobile 3, le bras 1 se déplace en fonction de la fréquence et du rapport d'engrenage. Le bras 1 menant la cage se déplace de sa position première de 0° et arrive à sa position maximale 120°. Il se produit à cet instant un déverrouillage de la deuxième source d'énergie 22, ici constituée par le barillet du mouvement de base d'une montre. Ce barillet est en chaîne avec un mobile de réduction 223, et celui-ci en liaison avec le troisième mobile 3. La force du barillet mouvement 22 va mener le mobile de réduction 223 et de fait va mener le troisième mobile 3 en rotation anti-horaire de 120°. Le déplacement en degrés du troisième mobile 3 est géré via un train de rouage 221 et positionné par une goupille d'arrêt au niveau d'un verrou de position 223, ce rouage 221 peut être en lien soit avec le mobile de réduction 223, soit avec le barillet mouvement 22. Pour gérer le retour sur une durée d'environ de 2 secondes, un régulateur avec inverseur, comportant notamment un pignon , un rochet 18, une ancre 170, est en série avec le troisième mobile 3, et permet d'ajuster la durée du retour rétrograde, notamment comprise entre 1 et 10secondes. Lors du déplacement de 120° du troisième mobile 3, la première source d'énergie 12, ici le ressort du bras de cage, se réarme, la cage continue à fonctionner en se déplaçant sur la circonférence du troisième mobile 3. Cette variante de la figure 10 permet de gérer la course angulaire autrement que par les goupilles 123 de la variante des figures 1 et 2, que remplace ici le rouage de position 221 il est ici possible de gérer d'autres valeurs angulaire, par exemple 360° pour afficher un passage de date, ou autre.The figure 10 illustrates yet another variant, with an arm 1 making winding rake on a winding cylinder of the cage arm, constituting the first source of energy 12, which drives the arm 1 of the cage; under the effect of its torque, the tourbillon cage is driven and makes its rotation on the circumference of the third mobile 3, the arm 1 moves according to the frequency and the gear ratio. The arm 1 leading the cage moves from its first position of 0° and arrives at its maximum position of 120°. At this instant, the second energy source 22 is unlocked, here consisting of the barrel of the base movement of a watch. This barrel is in chain with a reduction mobile 223, and this in connection with the third mobile 3. The force of the movement barrel 22 will drive the reduction mobile 223 and in fact will drive the third mobile 3 in anti-rotation. 120° schedule. The displacement in degrees of the third mobile 3 is managed via a gear train 221 and positioned by a stop pin at the level of a position lock 223, this gear train 221 can be linked either with the reduction mobile 223, or with the barrel movement 22. To manage the return over a period of approximately 2 seconds, a regulator with inverter, comprising in particular a pinion, a ratchet 18, an anchor 170, is in series with the third mobile 3, and allows adjust the duration of the retrograde return, in particular between 1 and 10 seconds. During the 120° movement of the third mobile 3, the first energy source 12, here the spring of the cage arm, resets, the cage continues to operate by moving on the circumference of the third mobile 3. This variant of the figure 10 makes it possible to manage the angular stroke other than by the pins 123 of the variant of the figure 1 and 2 , which here replaces the gear train of position 221 it is here possible to manage other angular values, for example 360° to display a passage of date, or other.

On remarque que le ressort de barillet de mouvement de base n'intercède plus avec le rouage de finissage comme sur un mouvement classique. Il a maintenant pour fonction unique de donner l'impulsion nécessaire au positionnement du troisième mobile 3.Note that the basic movement barrel spring no longer intercedes with the going train as on a classic movement. He has now for the sole function of giving the impetus necessary for the positioning of the third mobile 3.

La première source d'énergie 12, ici le ressort du bras de cage, a un préarmage donnant le couple nécessaire au fonctionnement du tourbillon, cette force restera constante. La course angulaire de 120° en rotation anti-horaire du troisième mobile 3 arme de manière régulière le ressort de bras de cage.The first source of energy 12, here the spring of the carriage arm, has a prewinding giving the torque necessary for the operation of the tourbillon, this force will remain constant. The angular travel of 120° in anti-clockwise rotation of the third mobile 3 arms the cage arm spring evenly.

De cette façon, il est concevable d'élaborer plusieurs types de déplacement de l'aiguille d'heure et des minutes, ainsi que des complications comme les indications de la lune, et/ou jour/nuit, et/ou de la réserve de marche, tel que visible sur les figures 11 à 13, en particulier, au retour de la cage et du troisième mobile, ou encore avec le rouage de position où il n'est plus nécessaire d'utiliser une chaussée, et où la mise à l'heure est unidirectionnelle ; ou avec le rouage de position ; avec le rouage de position et /ou le barillet mouvement la mise à l'heure est possible dans les deux directions.In this way, it is conceivable to develop several types of movement of the hour and minute hand, as well as complications such as the indications of the moon, and/or day/night, and/or the reserve of walking, as seen on the figures 11 to 13 , in particular, on the return of the cage and of the third mobile, or even with the gear train in position where it is no longer necessary to use a roadway, and where the time setting is unidirectional; or with the position gear; with the position gear train and/or the movement barrel, time setting is possible in both directions.

Le remontage se fait par la couronne 220, le barillet principal 22 n'intercédera plus avec le rouage de finissage comme dans la technique usuelle.The winding is done by the crown 220, the main barrel 22 will no longer intercede with the going train as in the usual technique.

Cet agencement permet, encore, de faire la correction de la lune directement par la couronne, il n'est plus nécessaire d'intégrer un correcteur intégré à la carrure.This arrangement also makes it possible to make the correction of the moon directly by the crown, it is no longer necessary to integrate a corrector integrated into the caseband.

On comprend que l'invention assure une force motrice quasi constante au mécanisme régulateur, notamment une cage de tourbillon ou de carrousel, durant toute la réserve de marche du barillet principal.It is understood that the invention ensures an almost constant driving force to the regulating mechanism, in particular a tourbillon or carousel cage, throughout the power reserve of the main barrel.

Les figures 11 à 14 illustrent la large latitude offerte par l'invention pour le positionnement des différents affichages. Sur l'exemple illustré, la lecture des heures et des minutes se fait sur un cadran à 12h, celle de la réserve de marche sur un secteur avec aiguille rétrograde à 9h, celle de l'affichage de lune et/ou jour/nuit, ou encore coucher de soleil, ou autre, à 3h, tandis que le tourbillon a un déplacement sur 120°, et qu'il est possible d'orienter le déplacement de la cage sur 120° selon un mouvement sensiblement périphérique comme sur les figures 11 et 14, ou selon un mouvement autour d'un axe excentré au maximum comme sur les figures 12 et 13, avec un mouvement rétrograde de la cage respectivement de gauche à droite, ou de droite à gauche.The figures 11 to 14 illustrate the wide latitude offered by the invention for the positioning of the various displays. In the example shown, the hours and minutes are read on a dial at 12 o'clock, that of the power reserve on a sector with a retrograde hand at 9 o'clock, that of the moon and/or day/night display, or even sunset, or other, at 3 o'clock, while the tourbillon has a movement of 120°, and it is possible to orient the movement of the cage over 120° according to a substantially peripheral movement as on the figures 11 and 14 , or according to a movement around a maximally eccentric axis as on the figures 12 and 13 , with a retrograde movement of the cage respectively from left to right, or from right to left.

La valeur de 120° prise pour les exemples n'est nullement contraignante, la valeur angulaire dépend de la durée de course horaire désirée, la valeur de la course rétrograde est elle aussi ajustable, par exemple entre 2 et 5 secondes, et permet d'obtenir un retour rétrograde non brusque, dépourvu de choc.The value of 120° taken for the examples is in no way binding, the angular value depends on the duration of the desired hourly stroke, the value of the stroke retrograde is also adjustable, for example between 2 and 5 seconds, and makes it possible to obtain a non-sudden retrograde return, devoid of shock.

Le retour rétrograde de la cage permet d'alimenter le passage des minutes.The retrograde return of the carriage powers the passing of the minutes.

Le retour rétrograde n'est pas lié à la fréquence du mécanisme résonateur, et n'a aucune influence sur la marche du mouvement.Retrograde feedback is not linked to the frequency of the resonator mechanism, and has no influence on the rate of the movement.

Dans d'autres variantes d'exécution il est possible d'équiper le troisième mobile de plusieurs satellites 10 sur sa périphérie. Il est aussi possible de concevoir un système sur plusieurs étages pour gérer des fonctions distinctes.In other alternative embodiments, it is possible to equip the third mobile with several satellites 10 on its periphery. It is also possible to design a system on several floors to manage distinct functions.

Claims (23)

  1. Timepiece drive mechanism (100) comprising a fixed structure (110) on which is pivotally mounted, about a main axis (D0), an arm (1) carrying a planetary gear (10), being a first wheel set, which is pivotally mounted on said arm (1) about a first pivot axis (D1) remote from said main axis (D0) and including a first wheel (11) pivotally mounted about said first pivot axis (D1) or a secondary pivot axis (D11) that is parallel thereto, said arm (1) being subjected to the return torque of a first energy source (12), said drive mechanism (100) further including at least a second energy source (22) arranged to subject to a return torque a third wheel set (3) comprised in said drive mechanism (100), directly or indirectly via a second wheel set (2) pivotally mounted about a second pivot axis (D2), said first wheel (11) being arranged to roll, under the action of said first energy source (12), over said third wheel set (3) in a regular forward rolling motion corresponding to a forward angular travel of the arm (1) with respect to said structure (110) in a single direction of rotation, third wheel set (3) being arranged to remain in a fixed position during a first basic travel of said planetary gear (10), said first wheel (11) being also arranged, under the action of said second energy source (22), to make a rotation in only one direction during a second basic travel of said planetary gear (10), during which said arm (1), which is carried by said third wheel set (3), moves backwards with respect to said fixed structure (110), characterized in that said drive mechanism (100) includes stop means (120) arranged to cooperate with complementary stop means (123) comprised in said third wheel set (3), or comprised in another external wheel set meshing directly or indirectly with said third wheel set (3), to hold the latter in position, said stop means (120) being uncouplable under the action of uncoupling control means (13), comprised in said arm (1) when said arm (1) reaches the end of its forward angular travel, to allow pivoting of said third wheel set (3) in a single direction under the action of said second energy source (22) causing a backward rotation of said arm (1) to the start of its said angular travel.
  2. Drive mechanism (100) according to claim 1, characterized in that said arm (1) includes banking means (20) tending to resist the drive torque of said first energy source (12) and arranged to limit the rolling speed of said first wheel (11).
  3. Drive mechanism (100) according to claim 2, characterized in that said banking means (20) are braking means and/or friction means and/or regulating means.
  4. Drive mechanism (100) according to claim 3, characterized in that said banking means (20) are means for regulating the rolling speed of said first wheel (11) about said third wheel set (3).
  5. Drive mechanism (100) according to claim 4, characterized in that said means regulating the rolling speed of said first wheel (11) about said third wheel set (3) include a stop device (17) arranged to cooperate in a discontinuous manner with said first wheel (11) or with a fourth wheel set meshing directly or indirectly with said first wheel (11).
  6. Drive mechanism (100) according to one of claims 1 to 5, characterized in that said second pivot axis (D2) is parallel to said main axis (D0) and distinct therefrom.
  7. Drive mechanism (100) according to one of claims 1 to 6, characterized in that said third wheel set (3) is arranged to pivot about said main axis (D0).
  8. Drive mechanism (100) according to claim 2 and one of claims 1 to 7, characterized in that said planetary gear (10) forms all or part of said banking means (20) and is a regulating member (15).
  9. Drive mechanism (100) according to claim 8, characterized in that said regulating member (15) includes a resonator mechanism with at least one inertia mass (1700) subjected to a pivoting alternating motion by a lever (170) cooperating with a ratchet (18) driven directly or indirectly by said first wheel (11).
  10. Drive mechanism (100) according to claim 9, characterized in that said ratchet (18) is coaxial to said first wheel (11).
  11. Drive mechanism (100) according to one of claims 8 to 10, characterized in that said regulating member (15) is a tourbillon (150) or karussel and in that said first wheel (11) drives the cage of said tourbillon (150) or karussel or forms the cage of said tourbillon (150) or karussel.
  12. Drive mechanism (100) according to one of claims 8 to 10, characterized in that said regulating member (15) is a karussel and in that said first wheel (11) drives the cage of said karussel or forms the cage of said karussel.
  13. Drive mechanism (100) according to one of claims 8 to 12, characterized in that regulating member (15) includes a governor (19) driven directly or indirectly by said first wheel (11).
  14. Drive mechanism (100) according to claim 13, characterized in that said governor (19) is synchronous with said first wheel (11) and forms a first display of a first time magnitude.
  15. Drive mechanism (100) according to claim 13 or 14, characterized in that said governor (19) comprises a tourbillon or karussel cage.
  16. Drive mechanism (100) according to claim 15 and one of claims 1 to 16, characterized in that said arm (1) forms or drives a display of a second time magnitude.
  17. Drive mechanism (100) according to claim 16, characterized in that said third wheel set (3) forms or drives a display of a third time magnitude.
  18. Drive mechanism (100) according to one of claims 1 to 17, characterized in that said second wheel set (2) forms or drives a power reserve display.
  19. Timepiece (1000) including at least one drive mechanism (100) according to one of claims 1 to 18.
  20. Timepiece (1000) according to claim 19, characterized in that the timepiece is a watch.
  21. Timepiece (1000) according to claim 20, characterized in that said first energy source (12) and/or said second energy source (22) is a barrel.
  22. Timepiece (1000) according to claim 19, characterized in that the timepiece is a clock.
  23. Timepiece (1000) according to claim 22, characterized in that said first energy source (12) and/or said second energy source (22) includes at least one weight, and in that said timepiece (1000) includes means for winding each said weight.
EP18185166.8A 2018-07-24 2018-07-24 Timepiece driving mechanism Active EP3599515B1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP18185166.8A EP3599515B1 (en) 2018-07-24 2018-07-24 Timepiece driving mechanism
US16/435,607 US11493883B2 (en) 2018-07-24 2019-06-10 Timepiece drive mechanism
JP2019114360A JP6792672B2 (en) 2018-07-24 2019-06-20 Drive mechanism for timekeeper
EP19187588.9A EP3599517B1 (en) 2018-07-24 2019-07-22 Timepiece retrograde tourbillon or karussel
RU2019123181A RU2710974C1 (en) 2018-07-24 2019-07-23 Clock drive
CN201910672670.0A CN110780570B (en) 2018-07-24 2019-07-24 Clock driving mechanism
US16/912,183 US11493884B2 (en) 2018-07-24 2020-06-25 Timepiece retrograde tourbillon or karussel
JP2020121197A JP7063949B2 (en) 2018-07-24 2020-07-15 Timekeeper retrograde tool Biron or carousel
RU2020123925A RU2742378C1 (en) 2018-07-24 2020-07-20 Hourly retrograde tourbillon or carousel
CN202010710207.3A CN112286031B (en) 2018-07-24 2020-07-22 Timepiece movement and timepiece comprising a timepiece movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18185166.8A EP3599515B1 (en) 2018-07-24 2018-07-24 Timepiece driving mechanism

Publications (2)

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EP3599515A1 EP3599515A1 (en) 2020-01-29
EP3599515B1 true EP3599515B1 (en) 2022-07-06

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EP18185166.8A Active EP3599515B1 (en) 2018-07-24 2018-07-24 Timepiece driving mechanism

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US (1) US11493883B2 (en)
EP (1) EP3599515B1 (en)
JP (1) JP6792672B2 (en)
CN (1) CN110780570B (en)
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RU2710974C1 (en) 2020-01-14
EP3599515A1 (en) 2020-01-29
CN110780570A (en) 2020-02-11
JP2020016642A (en) 2020-01-30
CN110780570B (en) 2021-11-16
JP6792672B2 (en) 2020-11-25
US20200033806A1 (en) 2020-01-30
US11493883B2 (en) 2022-11-08

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