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EP3798741B1 - Uhrwerk - Google Patents

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Publication number
EP3798741B1
EP3798741B1 EP19200461.2A EP19200461A EP3798741B1 EP 3798741 B1 EP3798741 B1 EP 3798741B1 EP 19200461 A EP19200461 A EP 19200461A EP 3798741 B1 EP3798741 B1 EP 3798741B1
Authority
EP
European Patent Office
Prior art keywords
flying
bridge
main frame
movement
functional element
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
EP19200461.2A
Other languages
English (en)
French (fr)
Other versions
EP3798741A1 (de
Inventor
Stephen Forsey
Florian Corneille
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.)
GREUBEL FORSEY SA
Original Assignee
Greubel Forsey 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 Greubel Forsey SA filed Critical Greubel Forsey SA
Priority to EP19200461.2A priority Critical patent/EP3798741B1/de
Priority to JP2022519011A priority patent/JP7607647B2/ja
Priority to PCT/EP2020/077244 priority patent/WO2021063953A1/fr
Priority to CN202080066907.1A priority patent/CN114514480B/zh
Priority to US17/763,816 priority patent/US12130590B2/en
Publication of EP3798741A1 publication Critical patent/EP3798741A1/de
Application granted granted Critical
Publication of EP3798741B1 publication Critical patent/EP3798741B1/de
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
    • G04B33/00—Calibers
    • G04B33/08—Calibers in which the gear train is arranged in different planes, e.g. parallel or inclined to each other
    • 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
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks
    • G04B29/022—Bridges
    • 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
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks
    • G04B29/025—Cocks
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/02—Time pieces of which the clockwork is visible partly or wholly
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/18—Supports, suspensions or guide arrangements, for oscillating weights

Definitions

  • the present invention relates to the field of watchmaking. It concerns, more particularly, a watch movement having a particular frame construction.
  • the balance-spring assembly is mounted between, on the one hand, a first bearing conventionally arranged in the frame and, on the other hand, a second bearing carried by a pair of cantilevered arms surmounting the mechanism and defining a flying bridge.
  • the escapement system is still arranged on the frame in a relatively conventional manner, requiring a passage for the balance staff.
  • the fact that one of the bearings for the balance staff is conventionally arranged on the frame implies traditional construction constraints regarding the pivoting on the frame as well as the arrangement of the escapement.
  • the document EP 2 442 191 discloses a modular display construction, in which a bridge carrying a needle and a gear train for its drive is mounted on an annular rail forming part of the frame and comprising a plurality of openings allowing the said bridge to be fixed at different locations.
  • Other movements having other constructions are also disclosed in the documents EP3226081 , EP0973076 And FR1181584 .
  • the aim of the invention is therefore to provide a watch movement in which one or other of the aforementioned defects is at least partially overcome.
  • the flying bridge carries at least one functional element such as a display member, a regulating system (such as a balance-spring-escapement system), an oscillating winding weight or the like, in kinematic connection with said base gear train via a flying gear train comprising a plurality of toothed mobiles.
  • said functional element as well as at least some elements of said flying gear train are entirely supported by said flying bridge.
  • the members in question are pivoted exclusively on the flying bridge, without the intervention of any bearing located on the main frame.
  • said toothed mobiles are mounted on the side of the latter which is opposite the main frame, and the functional element is a display member.
  • the functional element can be located superimposed on the main frame, without requiring any bearing carried by the latter. Space in the movement is thus generated, without the obligation to stack even more levels on the main frame, and this not only on the flying bridge but also on the main frame, thus giving more freedom to the manufacturer. Indeed, when the movement is nested, the flying bridge extends into the gap between the main frame and the glass (or alternatively the back which can also be transparent) and thus uses space that is typically unused.
  • the movement may comprise at least two flying bridges each carrying a respective flying train.
  • the latter may be independent of each other or may mesh with each other at a respective toothed mobile of each flying train in order to transmit torque from one side of the main frame to the other.
  • this meshing may be carried out at the last mobile of each flying train.
  • the invention also relates to a timepiece comprising a case closed at least on one side by a glass as well as a movement as described above mounted in said case, said functional element as well as said flying bridge being located between said main frame and said glass.
  • FIG. 1 schematically illustrates part of a watch movement 1 according to the invention.
  • This movement comprises a main frame 3, comprising a plate and at least one bridge as generally known and which therefore do not need to be described in detail.
  • the main frame 3 carries a drive source 5, illustrated here as a conventional barrel, housing a mainspring.
  • a drive source 5 such as an electric motor, may also find application in the movement 1 according to the invention.
  • the drive source 5 may be pivotally mounted between two frame elements or may be mounted in a flying manner, supported exclusively on one of its sides, as is generally known.
  • the driving source 5 drives a main gear 7, partially illustrated (the remainder of the main gear 7 being schematically illustrated by means of thick arrows), which is supported by the frame and which comprises a plurality of toothed mobiles, one or more belts, chains or the like or a combination of such elements, as generally known.
  • the type of teeth of the toothed mobiles can be straight, but also inclined, conical, edgewise or the like, depending on the needs of the construction and the shape of the bridge.
  • the gear train 7 also drives a regulating system 9 mounted on the main frame 3, for example of the balance-spring-escapement type of any kind, a mono-, bi- or tri-axial tourbillon, a carousel, or any other known regulating system used to determine the rate of the movement.
  • a regulating system 9 mounted on the main frame 3, for example of the balance-spring-escapement type of any kind, a mono-, bi- or tri-axial tourbillon, a carousel, or any other known regulating system used to determine the rate of the movement.
  • each of the regulating systems may or may not be inclined relative to the plane of the main frame 3.
  • the clockwork movement also comprises a flying bridge 11, mounted in a cantilever manner on the main frame 3, in particular on a bridge or on the plate of the latter.
  • the flying bridge has an end fixed to the main frame 3 as well as a free end.
  • the flying bridge 11 extends superimposed on the main frame 3 and carries at least one functional element 13, which is, in this case, a hand arranged to display horological information such as seconds, minutes, hours, day, date, week number, moon phase or any other horological information.
  • a disk or any other type of display member may be provided.
  • the display mechanism may be, for example, retrograde, jumping, or any type of mechanism known to those skilled in the art.
  • This functional element 13 is entirely supported by the flying bridge 11, by means of a pair of bearings 15a, 15b arranged on either side of the flying bridge 11, or by any other ad hoc arrangement serving to support it. It is obvious that any type of bearing can be envisaged, such as for example ball bearings or any other type of bearing known to those skilled in the art.
  • the functional element 13 is rotationally secured to an element 17a of a flying gear 17, which consists of three toothed mobiles 17a, 17b, 17c, which are each fully supported by the flying bridge 11 and which form a gear train driven by a drive mobile 7a mounted on the main frame 3 and driven by the drive source 5.
  • the mobiles 17a and 17c each comprise a single toothed wheel, while the mobile 17b consists of a wheel and a pinion, but other combinations of toothed elements are also possible.
  • toothed mobiles 17a, 17b, 17c are mounted on the lower side of the flying bridge 11 opposite the main frame 3.
  • the flywheel can for example serve as a timer, by displaying the time by means of a functional element 13 integral in rotation of the mobile 17a, and the minutes by a functional element integral in rotation or driven by the mobile 17b or 17c.
  • the flywheel can for example serve as a timer, by displaying the time by means of a functional element 13 integral in rotation of the mobile 17a, and the minutes by a functional element integral in rotation or driven by the mobile 17b or 17c.
  • an additional functional element integral with several (or all) of the latter with a different inclination from each other, parallel to the axis of its respective mobile. This can give an original aesthetic effect to the timepiece.
  • the watchmaker can provide, for example, a space in the center of the movement 1, the majority of the elements of the movement being part of the flying gears 17. This space may be transparent, or may contain any object (sculpture, animation, game device, etc.)
  • each wheel set 17a carries a functional element 13 such as a hand, but it is also possible to provide only one functional element carried by one or the other of the flying gears 17.
  • the hands rotate in opposite directions, with an angular speed ratio that depends on the gear ratio between the two wheel sets 17a. It is also possible to interpose a return between the two wheel sets 17a, or to mount one of the hands integral in rotation with the wheel set 17b on one or the other of the flying gears 17.
  • the two flying gears 17 can be used to transmit torque from one side of the main frame to the other, without requiring a crown or bulky gear passing through the latter.
  • FIG. 3 illustrates another example not forming part of the invention, in which the regulating system 9 is carried by the flying bridge 11 at instead of being located on the main frame 3.
  • the regulating system 9 comprises a balance 21 - balance spring 23 assembly maintained in oscillation by an escapement system 25 of conventional type, the regulating system 9 being considered as the functional element in this example.
  • a regulating system of any other type can be used.
  • the balance wheel 21 may be mounted so as to be supported on only one of its sides ("flying balance wheel"), for example by being supported on the flying bridge 11 by means of a ball bearing.
  • the flying bridge 11 may also comprise a plate (not illustrated) carrying a conventional bearing, this plate being fixed to the flying bridge 11 by means of a screw or the like, cooperating with the opening 11a for example.
  • the mobile 17d is an escape mobile comprising a pinion 17d1 located on the lower side of the flying bridge 11 as well as an escape wheel 17d2 located on the upper side of the flying bridge 11.
  • the latter cooperates with an anchor 25a in a known manner, and clearly illustrates the principle that a mobile can comprise toothed elements located on either side of the bridge 11.
  • the balance wheel 21 - balance spring 23 - escapement 25 assembly located on the flying bridge regulates the operation of the base gear train 7 driven by the drive source 5, these last two elements not being shown in the figure 3 .
  • the functional element carried by the flying bridge 11 may be any animation, a display member for any horological information related to time or movement (such as the power reserve), an oscillating weight arranged to wind the barrel 5 or similar.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Claims (5)

  1. Uhrwerk (1), umfassend :
    - einem Hauptgestell (3), der als Träger für eine Antriebsquelle (5) sowie für mindestens ein Basisräderwerk (7) dient, das so angeordnet ist, von der Antriebsquelle (5) angetrieben zu werden;
    - mindestens eine fliegende Brücke (11), die freitragend an einem Element des Hauptgestells (3) angebracht ist und sich überlagernd zu diesem erstreckt,
    wobei die fliegende Brücke (11) mindestens ein Funktionselement (13; 9) trägt, das über ein fliegendes Räderwerk (17) mit einer Vielzahl von gezahnten Drehteilen (17a, 17b, 17c) in kinematischer Verbindung mit dem Basisräderwerk (7) steht,
    dadurch gekennzeichnet, dass das Funktionselement (13) sowie zumindest einige Elemente des fliegenden Räderwerk (17a, 17b, 17c) vollständig auf der fliegende Brücke (11) abgestützt sind, wobei die gezahnten Drehteilen (17a, 17b, 17c) auf der Seite der fliegenden Brücke (11) angebracht sind, die dem Hauptgestell (3) zugewandt ist,
    und dadurch, dass das Funktionselement ein Anzeigeorgan (13) ist.
  2. Uhrwerk (1) nach Anspruch 1, das mindestens zwei fliegende Brücken (11) umfasst, die jeweils ein jeweiliges fliegendes Räderwerk (17) tragen.
  3. Uhrwerk (1) nach Anspruch 2, wobei die fliegenden Räderwerke (17) miteinander kämmen.
  4. Uhrwerk (1) nach Anspruch 3, wobei die fliegenden Räderwerke (17) am letzten Drehteil (17a) jedes fliegenden Räderwerks (17) miteinander kämmen.
  5. Uhr mit einem Gehäuse, das zumindest auf einer Seite durch ein Glas geschlossen ist, sowie einem Uhrwerk (1) nach einem der vorhergehenden Ansprüche, das in dem Gehäuse montiert ist, wobei sich das Funktionselement (13, 9) sowie die mindestens eine fliegende Brücke (11) zwischen dem Hauptgestell und dem Glas befinden.
EP19200461.2A 2019-09-30 2019-09-30 Uhrwerk Active EP3798741B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19200461.2A EP3798741B1 (de) 2019-09-30 2019-09-30 Uhrwerk
JP2022519011A JP7607647B2 (ja) 2019-09-30 2020-09-29 時計用ムーブメント
PCT/EP2020/077244 WO2021063953A1 (fr) 2019-09-30 2020-09-29 Mouvement horloger
CN202080066907.1A CN114514480B (zh) 2019-09-30 2020-09-29 钟表机芯
US17/763,816 US12130590B2 (en) 2019-09-30 2020-09-29 Timepiece movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19200461.2A EP3798741B1 (de) 2019-09-30 2019-09-30 Uhrwerk

Publications (2)

Publication Number Publication Date
EP3798741A1 EP3798741A1 (de) 2021-03-31
EP3798741B1 true EP3798741B1 (de) 2025-02-19

Family

ID=68104456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19200461.2A Active EP3798741B1 (de) 2019-09-30 2019-09-30 Uhrwerk

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Country Link
EP (1) EP3798741B1 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2442191B1 (de) * 2010-10-18 2014-12-31 ETA SA Manufacture Horlogère Suisse Uhr mit modularer Analoganzeige

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1181584A (fr) * 1956-08-24 1959-06-17 Perfectionnements aux mouvements d'horlogerie
DE69839116T2 (de) * 1998-07-16 2009-02-05 Eta Sa Manufacture Horlogère Suisse Uhr mit Tourbillon
CH712314A1 (fr) * 2016-04-01 2017-10-13 Richemont Int Sa Mouvement d'horlogerie.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2442191B1 (de) * 2010-10-18 2014-12-31 ETA SA Manufacture Horlogère Suisse Uhr mit modularer Analoganzeige

Also Published As

Publication number Publication date
EP3798741A1 (de) 2021-03-31

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