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EP4105737B1 - Dewar device for timepiece comprising a pivoting bezel - Google Patents

Dewar device for timepiece comprising a pivoting bezel Download PDF

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Publication number
EP4105737B1
EP4105737B1 EP21180332.5A EP21180332A EP4105737B1 EP 4105737 B1 EP4105737 B1 EP 4105737B1 EP 21180332 A EP21180332 A EP 21180332A EP 4105737 B1 EP4105737 B1 EP 4105737B1
Authority
EP
European Patent Office
Prior art keywords
watch
case
lever element
dewar
push button
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
EP21180332.5A
Other languages
German (de)
French (fr)
Other versions
EP4105737A1 (en
Inventor
Antoine UMMEL
Serge Droz
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.)
Omega SA
Original Assignee
Omega 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 Omega SA filed Critical Omega SA
Priority to EP21180332.5A priority Critical patent/EP4105737B1/en
Priority to US17/658,867 priority patent/US11960248B2/en
Priority to JP2022078563A priority patent/JP7337996B2/en
Priority to KR1020220062869A priority patent/KR102745515B1/en
Priority to CN202210574242.6A priority patent/CN115494717B/en
Publication of EP4105737A1 publication Critical patent/EP4105737A1/en
Application granted granted Critical
Publication of EP4105737B1 publication Critical patent/EP4105737B1/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • 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
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • G04B19/283—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel
    • 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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • 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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/048—Operation exclusively by axial movement of a push-button, e.g. for chronographs
    • 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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/08—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously by parts of the cases
    • 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
    • G04B37/00—Cases
    • G04B37/0008—Cases for pocket watches and wrist watches
    • G04B37/005—Cases for pocket watches and wrist watches with cover or protection device which can be completely removed, either by lifting off or by sliding, or by turning (protection covers, protection cases also against humidity)
    • 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
    • G04B37/00—Cases
    • G04B37/02—Evacuated cases; Cases filled with gas or liquids; Cases containing substances for absorbing or binding moisture or dust
    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/005—Protection against temperature influences
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/08—Housings
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0082—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08
    • G04G9/0094—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08 using light valves, e.g. liquid crystals

Definitions

  • the present invention relates to a Dewar device for mechanical and/or functional components of a watch, the device comprising a device for actuating at least one push button of a watch included in an enclosure of the device, in particular from a pivoting bezel of said case.
  • a watch and in particular an electronic watch conventionally comprises a strap and a watch case comprising several electrical or electronic components. It is known in the prior art that some of these components do not withstand extreme temperatures, and cease to function correctly at these temperatures. Typically, liquid crystal displays (LCD) using light-emitting diodes or quartz tolerate temperatures not exceeding approximately 80°C (degrees Celsius), and not falling below 0°C. However, in particular environments such as, for example, space or lunar missions, temperatures can frequently reach values of the order of substantially -150°C to +125°C.
  • LCD liquid crystal displays
  • the invention relates to a Dewar device for a watch, said device being provided with a bracelet and a case comprising an enclosure in which is capable to be arranged a case of said watch so that a glass of said case is arranged opposite a glass of a set of elements of the case defining this enclosure and at least one fixing device fixing said watch case in said enclosure of the case while keeping it away from all of the elements of the case defining this enclosure, said Dewar device comprising a device for actuating at least one push button of said watch by rotating a pivoting bezel of said case.
  • FIG. 1 shows a schematic representation of an isothermal watch device 1 for mechanical and/or functional components 2 of a watch 3 also called a “Dewar watch device” or “protection device” or more simply in the remainder of the description “Dewar device”.
  • a Dewar device 1 is capable of participating in providing in particular good thermal insulation to mechanical and/or functional components 2 of the watch 3 whose case 6 is arranged in the case 4 of this device 1.
  • This Dewar device 1 is notably formed by the combination of its case 4 and the watch case 6 3 in order to provide suitable thermal insulation for these mechanical and/or functional components 2.
  • the watch case 6 3 is arranged in an enclosure 5 of the case 4 while being kept away or at a distance from all of the elements 10a to 10c of the case 4 defining said enclosure 5, namely the crystal 10a, an inner peripheral wall 12 of a caseband 10c and a back 10b of this case 4. It will be noted that this inner peripheral wall 12 is also that of said enclosure 5.
  • this device 1 therefore comprises the case 4 which comprises the middle 10c preferably provided with two pairs of horns 14 on which is mounted a bracelet allowing a user of this device 1 to wear it for example on the wrist.
  • This case 4 also comprises a glass 10a and back 10b visible on the figure 1 .
  • the glass 10a preferably comprises a surface which is substantially greater or strictly greater than a glass 11 of the case 6 of the watch 3.
  • This case 4 also includes a pivoting bezel 13 which is mounted to be able to rotate relative to the caseband 10c.
  • a bezel 13 has an essentially circular shape. It includes a body having internal and external peripheral walls as well as internal and external faces, the external face being able to be provided with a graduation.
  • This Dewar device 1 also comprises an actuation device 19 for rotating the bezel 13 of at least one push button of the case 6 of the watch 3 arranged in the enclosure 5 of its case 4.
  • This actuation device 19 therefore comprises the pivoting bezel 13, the caseband 10c of the case 4 and at least one deformable lever element 15a, 15b.
  • this device 19 comprises two lever elements 15a, 15b each capable of actuating a push button of the case 6 of the watch 3.
  • Each deformable lever element 15a, 15b is capable of passing from a so-called “inactivation” state in which the first and second parts 16a, 16b together form an obtuse angle to a so-called “activation” state in which these first and second parts 16a, 16b form an angle less than or equal to a right angle.
  • this lever element 15a, 15b has a folded shape substantially similar to that of the letter “L” which is generated by the rotational movement 20 of the bezel 13 during its manipulation by the user/wearer of the Dewar device 1 and this, with the aim of activating the push button of the watch 3.
  • Such a deformable lever element 15a, 15b comprises a first end 21a movably fixed to a body of the caseband 10c of the case 4 from one of the fixing elements 17c which compose it. More precisely, this first end 21a is movably fixed to this body of the caseband 10c around a first axis common with the central axis of the fixing element 17c.
  • This lever element 15a, 15b also comprises a second end 21b fixed to the body of the bezel 13 from another fixing element 17c of this actuating device 19.
  • this second end 21b is movably fixed to this body of the caseband 10c around a second axis common with the central axis of the corresponding fixing element 17c.
  • these first and second axes are substantially parallel or strictly parallel to each other and to a central axis O of the case 4 and therefore of the caseband 10c and the bezel 13.
  • Each lever element 15a, 15b therefore also comprises the fixing elements 17a, 17b, 17c mentioned above as well as first and second parts 16a, 16b which are preferably rigid and/or of different sizes. These first and second parts 16a, 16b are connected to each other at so-called connecting ends from the connecting element referenced 17b.
  • the first part 16a which has a smaller size than the second part 16b comprises the first end 21a of the lever element 15a, 15b which is connected to the middle 10c and its connecting end which is connected to that of the second part 16b.
  • the second part 16b it comprises the second end 21b of the lever element 15a, 15b which is connected to the bezel 13 and its connecting end which is connected to that of the first part 16a.
  • the connecting ends together form an actuation zone 18 of the lever element 15a, 15b.
  • the first and second parts 16a, 16b of the lever element 15a, 15b are connected to each other so as to be movable relative to each other and this, around a third axis common with the central axis of the corresponding fixing element 17b which connects them to each other. It will be noted that this third axis is substantially parallel or strictly parallel to the first and second axes mentioned above.
  • the actuation zone 18 formed by these two connecting ends is capable of participating in the activation of the push button of the watch as soon as the pivoting bezel 13 is driven by the wearer of the Dewar device in a rotational movement 20.
  • This activation of the push button is preferably indirect.
  • the actuation zone 18 is capable of activating the push button of the watch 3 by coming into indirect contact with the latter and this, by means of an activation zone of the caseband 10c.
  • This activation zone may comprise a sliding member, in particular a push button arranged in the caseband 10c and which is capable of coming into direct contact with the push button of the watch 3 as soon as it is acted upon by this activation zone.
  • this activation zone may be a portion of the peripheral wall of the caseband 10c which is capable of deforming in order to come into contact with the push button of the watch 3. In this configuration, this activation zone is part of the actuation device 19.
  • this activation can be direct when this actuation zone 18 comes into direct contact with this push button.
  • the Dewar device 1 may comprise a housing defined both in the bodies of the bezel 13 and the caseband 10c and in which the lever element 15a, 15b may be arranged.
  • the actuation zone 18 of this lever element 15a, 15b is then capable of moving in this housing towards the push button of the watch or, on the contrary, of moving away from the latter according to the rotational movement carried out by the pivoting bezel 13.
  • the Dewar device 1 comprises two lever elements 15a, 15b provided to activate two separate push buttons of the case 6 of the watch 3. These two lever elements 15a, 15b are arranged near or in the vicinity of the corresponding push buttons of the case 6 with which they are intended to cooperate indirectly or directly.
  • the first and second push buttons are arranged on a case middle of the watch case 6 respectively in the “2 o'clock” and “4 o'clock” areas.
  • the pivoting bezel 13 of the Dewar device 1 is driven by a rotational movement 20 carried out in a counterclockwise direction, i.e. from right to left.
  • This movement of the bezel 13 makes it possible to configure the first lever element 15a in the activation state during which its actuation zone 18 causes the activation of the first push button of the watch case 6 3.
  • the first and second parts 16a, 16b of the second lever element 15b are articulated together so that the three fixing elements 17a, 17b, 17c are substantially aligned or strictly aligned.
  • This alignment of the fixing elements 17a, 17b, 17c of this second lever element 15b contributes to the latter having a generally rectilinear shape.
  • the pivoting bezel 13 of the Dewar device 1 is driven by a rotational movement performed in a direction similar to that of the hands of a clock, i.e. from left to right.
  • This movement of the bezel 13 makes it possible to configure the second lever element 15b in the activation state during which its actuation zone 18 causes the activation of the second push button of the watch case 6 3.
  • the first and second parts 16a, 16b of the first lever element 15a are articulated together so that its three fixing elements 17a, 17b, 17c are substantially aligned or strictly aligned.
  • This alignment of the fixing elements 17a, 17b, 17c of this first lever element 15a contributes to the latter having a generally rectilinear shape.
  • first and second lever elements 15a, 15b illustrated in the figure 4 are both in the inactivation state in which the first and second parts 16a, 16b of each of them together form an obtuse angle.
  • such an actuating device 19 makes it possible to improve the use of the Dewar device 1, in particular when the user of this device 1 is not very skilled with the part of his body. which allows him to manipulate it. This lack of skill may result from a disability or from the fact that this user wears thick gloves on his hands which prevent him from being precise with his fingers to manipulate this Dewar 1 device.
  • a Dewar 1 device is particularly suitable for use by astronauts wearing their spacesuits or more generally by users/adventurers in spacesuits evolving in environments where extreme conditions prevail in terms of, for example, pressure, temperature, humidity, etc.
  • the case 6 of the watch 3 is arranged in the enclosure 5 of the case 4 while being kept away or at a distance from all of the elements 10a to 10c of this case 4.
  • This distance or this distance or even this spacing is configured from at least one fixing device 7 of the case 6 of the watch 3 in the case 4.
  • the fixing device 7 is configured to produce or maintain a spacing between said case 6 and all of the elements 10a, 10b, 10c of the case 4 forming said enclosure 5 of this case 4.
  • This fixing device 7 helps to reduce or even eliminate any thermal conduction between the inner peripheral wall 12a of the caseband 10c and/or the back 10b and/or the crystal 10a with the case 6 of the watch 3 in particular with an external overall face of this case 6.
  • This external overall face comprises an upper face comprising the crystal 11 of the case 6 of this watch 3, a lower face comprising a bottom of said case 6 and an external peripheral wall of a middle of this case 6. It is understood that the lower and upper faces are opposite each other.
  • the fixing device 7 is arranged on an internal peripheral wall 12 of the enclosure of the case 4. In this configuration, the fixing device 7 mechanically connects, in particular reversibly, the case 6 of watch 3 to the internal peripheral wall 12 of the enclosure of the case 4.
  • the Dewar device 1 may comprise two fixing devices 7 arranged in the enclosure 5 while being opposite each other.
  • a box 6 is included in a watch 3 which can be an electronic watch, for example a quartz watch, or even a mechanical watch.
  • the mechanical and/or functional components 2 of the watch 3, mentioned above, comprise, in a non-limiting and non-exhaustive manner: mechanical elements of the movement such as a sprung balance, wheels, a striking mechanism, a dial, hands, rings, seals and/or electronic and/or electrical components 2.
  • electronic and/or electrical components 2 comprise, for example, a display device, a processor, a memory, an energy storage component, a motor, an integrated circuit and an electronic oscillator, etc.
  • this Dewar device 1 has the same properties and characteristics as a Dewar tube/vessel well known in the state of the art. As we have previously mentioned, the properties and characteristics of this Dewar device 1 contribute to giving it good thermal insulation with regard to temperatures, in particular extreme temperatures, which may prevail in the external environment in which such a device 1 may be located.
  • the crystal 10a, the caseband 10c and the back 10b of this device 1 together define the enclosure 5 of this case 4 which is capable of receiving the case 6 of the watch 3.
  • These three elements 10a to 10c of the case 4, namely the caseband 10c, the crystal 10a and the back 10b, can be separate elements which are joined together to construct this enclosure 5.
  • the caseband 10c and the back 10b of the case 4 can together form a single-piece part, said single-piece part defining an opening opposite the back 10b which is capable of being closed by the crystal 10a and this, in a reversible and sealed manner.
  • caseband 10c and the crystal 10a of the case4 of the watch 3 can together form a single-piece part, said single-piece part defining an opening opposite the ice 10a which is capable of being closed by the bottom 10b and this, also in a reversible and watertight manner.
  • the case 10c or the bottom 10b can also be, like the glass 10a, a transparent covering element of the case 4 of the Dewar device 1.
  • the inner peripheral wall 12 of the case 10c and the inner face of the bottom 10b can be coated with a metallic or similar reflective coating, such as for example a layer of silver.
  • case 10c or the back 10b are preferably made, in a non-limiting and non-exhaustive manner, of a metallic material or of thermosetting or thermoplastic polymer resins reinforced with carbon or glass fibers or even of ceramic materials.
  • the device 1 may comprise an interferometric filter arranged on an overall external face of the case 4, namely on an external peripheral wall of the caseband 10c and/or the external faces of the crystal 10a and the back 10b of this watch case 6 3.
  • This interferometric filter may be a grid or a trellis forming a coating on this overall external face of the case 4.
  • This grid or trellis has a mesh whose dimensions are such that they only allow certain predetermined wavelengths of the electromagnetic spectrum to pass through, typically the wavelengths of the visible range.
  • the enclosure 5 of the case 4 comprising the watch case 6 is under vacuum or quasi-vacuum.
  • the space defined between this case 6 and the inner peripheral wall 12 of the caseband 10c, the back 10b and the crystal 10a is empty of material or quasi-empty. It will be noted that when this device 1 is used in an environment devoid of air or substantially devoid of air, its enclosure is also under vacuum or quasi-vacuum.
  • Such a Dewar device 1 helps to provide the mechanical and/or functional components 2 of the watch 3 with very good thermal insulation from the external environment by reducing or even preventing heat loss by radiation of the components arranged in the watch case 6 for a long period.
  • the temperature outside the device 1 reaches extreme values, typically of the order of -125 to +125°C
  • the temperature inside the enclosure 5 remains substantially equal to the temperature present in the watch case 6 3 when it is arranged in the case 4, typically of the order of 20°C.
  • the temperature present in the watch case 6 3 is a temperature that does not hinder the proper functioning of the watch.
  • This temperature is maintained for a duration that is 5 to 18 times greater than the duration during which such a watch case would be capable of maintaining an operating temperature of its components 2 by being located directly in such an environment where such extreme temperatures prevail (i.e. by being located outside the case of the Dewar device). It is thus understood that such a configuration makes it possible to protect the mechanical and/or functional components 2 of the watch 3, as well as to participate in ensuring their operation in an optimal manner in extreme external temperature conditions.

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  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electric Clocks (AREA)

Description

Domaine technique de l'inventionTechnical field of the invention

La présente invention concerne un dispositif de Dewar pour des composants mécaniques et/ou fonctionnels d'une montre, le dispositif comprenant un dispositif d'actionnement d'au moins un bouton poussoir d'une montre comprise dans une enceinte du dispositif à partir notamment d'une lunette pivotante dudit boitier.The present invention relates to a Dewar device for mechanical and/or functional components of a watch, the device comprising a device for actuating at least one push button of a watch included in an enclosure of the device, in particular from a pivoting bezel of said case.

Arrière-plan technologiqueTechnological background

Une montre et en particulier une montre électronique comprend classiquement un bracelet et une boîte de montre comportant plusieurs composants électriques ou électroniques. Il est connu dans l'état de la technique que certains de ces composants ne supportent pas des températures extrêmes, et cessent de fonctionner correctement à ces températures. Typiquement, les écrans à cristaux liquides LCD (de l'anglais Liquid Crystal Display) utilisant des diodes électroluminescentes ou encore les quartz tolèrent des températures n'excédant pas 80 °C (degrés Celcius) environ, et ne descendant pas en-dessous de 0 °C. Or, dans des environnements particuliers tels que par exemple les missions spatiales ou lunaires, les températures peuvent fréquemment atteindre des valeurs de l'ordre de sensiblement -150 °C à +125 °C.A watch and in particular an electronic watch conventionally comprises a strap and a watch case comprising several electrical or electronic components. It is known in the prior art that some of these components do not withstand extreme temperatures, and cease to function correctly at these temperatures. Typically, liquid crystal displays (LCD) using light-emitting diodes or quartz tolerate temperatures not exceeding approximately 80°C (degrees Celsius), and not falling below 0°C. However, in particular environments such as, for example, space or lunar missions, temperatures can frequently reach values of the order of substantially -150°C to +125°C.

On connait aussi dans l'état de la technique les documents CH716913A2 et W2018/215491A1 qui portent sur des dispositifs de Dewar pour des composants d'une montre, le dispositif comprenant un bracelet, un boitier comportant une enceinte dans laquelle sont susceptibles d'être disposés ces composants et au moins un dispositif de fixation fixant lesdits composants dans ladite enceinte du boitier en les maintenant éloignés d'un ensemble d'éléments formant ladite enceinte.We also know in the state of the art the documents CH716913A2 And W2018/215491A1 which relate to Dewar devices for components of a watch, the device comprising a bracelet, a case comprising an enclosure in which these components are capable of being arranged and at least one fixing device fixing said components in said enclosure of the case while keeping them away from a set of elements forming said enclosure.

Il existe donc un besoin de pouvoir utiliser une montre notamment une montre électronique dans des environnements où peuvent régner de telles températures extrêmes.There is therefore a need to be able to use a watch, particularly an electronic watch, in environments where such extreme temperatures may prevail.

Résumé de l'inventionSummary of the invention

L'invention concerne un dispositif de Dewar pour une montre ledit dispositif étant pourvu d'un bracelet et d'un boitier comportant une enceinte dans laquelle est susceptible d'être disposée une boite de ladite montre de manière à ce qu'une glace de ladite boite est agencée en regard d'une glace d'un ensemble d'éléments du boitier définissant cette enceinte et au moins un dispositif de fixation fixant ladite boite de montre dans ladite enceinte du boitier en la maintenant éloignée de l'ensemble des éléments du boitier définissant cette enceinte, ledit dispositif de Dewar comprenant un dispositif d'actionnement d'au moins un bouton poussoir de ladite montre par rotation d'une lunette pivotante dudit boitier.The invention relates to a Dewar device for a watch, said device being provided with a bracelet and a case comprising an enclosure in which is capable to be arranged a case of said watch so that a glass of said case is arranged opposite a glass of a set of elements of the case defining this enclosure and at least one fixing device fixing said watch case in said enclosure of the case while keeping it away from all of the elements of the case defining this enclosure, said Dewar device comprising a device for actuating at least one push button of said watch by rotating a pivoting bezel of said case.

Dans d'autres modes de réalisation :

  • ledit dispositif d'actionnement dudit moins un bouton poussoir comprend ladite lunette pivotante qui est configurée pour participer à l'actionnement dudit au moins un bouton poussoir lorsqu'elle réalise un déplacement en rotation autour de son axe central ;
  • ladite lunette pivotante est mobile en rotation relativement à la carrure du boitier ;
  • le dispositif d'actionnement comprend la lunette pivotante, la carrure du boitier et au moins un élément de levier déformable ;
  • ledit au moins un élément de levier comprend une première extrémité fixée à une carrure du boitier et une deuxième extrémité fixée à la lunette ;
  • ledit au moins un élément de levier comprend des première et deuxième pièces de tailles différentes reliées mobiles entre elles par un élément de fixation ;
  • ledit au moins un élément de levier comprend des éléments de liaison susceptibles d'assurer une fixation mobile de cet élément de levier à la carrure et à la lunette du boitier ;
  • lesdites première et deuxième pièces sont reliées entre elles en des extrémités de liaison formant une zone d'actionnement dudit au moins un élément de levier ;
  • ledit au moins un élément de levier comprend une zone d'actionnement susceptible d'activer le bouton poussoir de la montre en entrant en contact avec au moins une zone d'activation de la carrure ;
  • la zone d'activation comprend un organe coulissant, notamment un bouton poussoir, agencé dans la carrure susceptible d'entrer en contact avec le bouton poussoir de la montre dès lors qu'il est sollicité par ledit au moins un élément de levier ;
  • ledit au moins un élément de levier comprend une zone d'actionnement susceptible d'activer le bouton poussoir de la montre en entrant en contact directement avec ledit bouton ;
In other embodiments:
  • said device for actuating said at least one push button comprises said pivoting bezel which is configured to participate in the actuation of said at least one push button when it performs a rotational movement around its central axis;
  • said pivoting bezel is movable in rotation relative to the case middle;
  • the actuating device comprises the pivoting bezel, the case middle and at least one deformable lever element;
  • said at least one lever element comprises a first end fixed to a case middle and a second end fixed to the bezel;
  • said at least one lever element comprises first and second parts of different sizes movably connected to each other by a fixing element;
  • said at least one lever element comprises connecting elements capable of ensuring a mobile attachment of this lever element to the case middle and to the bezel of the case;
  • said first and second parts are connected to each other at connecting ends forming an actuation zone of said at least one lever element;
  • said at least one lever element comprises an actuation zone capable of activating the push button of the watch by coming into contact with at least one activation zone of the case;
  • the activation zone comprises a sliding member, in particular a push button, arranged in the caseband capable of coming into contact with the push button of the watch when it is activated by said at least one lever element;
  • said at least one lever element comprises an actuation zone capable of activating the push button of the watch by coming into direct contact with said button;

Brève description des figuresBrief description of the figures

D'autres particularités et avantages ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux figures annexés suivantes :

  • la figure 1 est une vue en coupe d'une représentation schématique d'un dispositif de Dewar pour des composants mécaniques et/ou fonctionnels d'une montre pourvu d'un dispositif d'actionnement d'au moins un bouton poussoir d'une montre, selon un mode de réalisation de l'invention, et
  • les figures 2 à 4 sont des représentations schématiques fonctionnelles décrivant les différents modes opératoires relatifs à la mise en œuvre du dispositif d'actionnement, selon le mode de réalisation de l'invention.
Other features and advantages will clearly emerge from the description given below, for information purposes only and in no way limiting, with reference to the following appended figures:
  • there figure 1 is a sectional view of a schematic representation of a Dewar device for mechanical and/or functional components of a watch provided with a device for actuating at least one push button of a watch, according to one embodiment of the invention, and
  • THE Figures 2 to 4 are functional schematic representations describing the different operating modes relating to the implementation of the actuation device, according to the embodiment of the invention.

Description détaillée de l'inventionDetailed description of the invention

La figure 1 montre une représentation schématique d'un dispositif horloger isotherme 1 pour des composants mécaniques et/ou fonctionnels 2 d'une montre 3 aussi nommé « dispositif horloger de Dewar » ou « dispositif de protection » ou plus simplement dans la suite de la description « dispositif de Dewar ». Un tel dispositif de Dewar 1 est apte à participer à conférer notamment une bonne isolation thermique à des composants mécaniques et/ou fonctionnels 2 de la montre 3 dont la boite 6 est agencée dans le boitier 4 de ce dispositif 1.There figure 1 shows a schematic representation of an isothermal watch device 1 for mechanical and/or functional components 2 of a watch 3 also called a “Dewar watch device” or “protection device” or more simply in the remainder of the description “Dewar device”. Such a Dewar device 1 is capable of participating in providing in particular good thermal insulation to mechanical and/or functional components 2 of the watch 3 whose case 6 is arranged in the case 4 of this device 1.

Ce dispositif de Dewar 1 est notamment formé par la combinaison de son boitier 4 et de la boite 6 de montre 3 afin de réaliser une isolation thermique idoine pour ces composants mécaniques et/ou fonctionnels 2. Dans cette configuration, la boite 6 de montre 3 est agencée dans une enceinte 5 du boitier 4 en étant maintenue éloignée ou à distance de l'ensemble des éléments 10a à 10c du boitier 4 définissant cette dite enceinte 5 à savoir la glace 10a, une paroi périphérique intérieure 12 d'une carrure 10c et un fond 10b de ce boitier 4. On notera que cette paroi périphérique intérieure 12 est aussi celle de ladite enceinte 5.This Dewar device 1 is notably formed by the combination of its case 4 and the watch case 6 3 in order to provide suitable thermal insulation for these mechanical and/or functional components 2. In this configuration, the watch case 6 3 is arranged in an enclosure 5 of the case 4 while being kept away or at a distance from all of the elements 10a to 10c of the case 4 defining said enclosure 5, namely the crystal 10a, an inner peripheral wall 12 of a caseband 10c and a back 10b of this case 4. It will be noted that this inner peripheral wall 12 is also that of said enclosure 5.

Dans ce contexte, ce dispositif 1 comprend donc le boitier 4 qui comporte la carrure 10c pourvue de préférence de deux paires de cornes 14 sur lesquelles est monté un bracelet permettant à un utilisateur de ce dispositif 1 de le porter par exemple au poignet. Ce boitier 4 comporte aussi une glace 10a et fond 10b visible sur la figure 1. Dans ce dispositif 1, on notera que la glace 10a comprend de préférence une surface qui est sensiblement supérieure ou strictement supérieure à une glace 11 de la boite 6 de montre 3.In this context, this device 1 therefore comprises the case 4 which comprises the middle 10c preferably provided with two pairs of horns 14 on which is mounted a bracelet allowing a user of this device 1 to wear it for example on the wrist. This case 4 also comprises a glass 10a and back 10b visible on the figure 1 . In this device 1, it will be noted that the glass 10a preferably comprises a surface which is substantially greater or strictly greater than a glass 11 of the case 6 of the watch 3.

Ce boitier 4 comprend également une lunette pivotante 13 qui est montée mobile en rotation relativement à la carrure 10c. Une telle lunette 13 a une forme essentiellement circulaire. Elle comprend un corps ayant des parois périphériques interne et externe ainsi que des faces interne et externe, la face externe pouvant être pourvue d'une graduation.This case 4 also includes a pivoting bezel 13 which is mounted to be able to rotate relative to the caseband 10c. Such a bezel 13 has an essentially circular shape. It includes a body having internal and external peripheral walls as well as internal and external faces, the external face being able to be provided with a graduation.

Ce dispositif de Dewar 1 comprend aussi un dispositif d'actionnement 19 par rotation de la lunette 13 d'au moins un bouton poussoir de la boite 6 de la montre 3 agencée dans l'enceinte 5 de son boitier 4. Ce dispositif d'actionnement 19 comprend donc la lunette pivotante 13, la carrure 10c du boitier 4 et au moins un élément de levier déformable 15a, 15b. Sur les figures 2 à 3, ce dispositif 19 comprend deux éléments de levier 15a, 15b susceptibles d'actionner chacun un bouton poussoir de la boite 6 de la montre 3.This Dewar device 1 also comprises an actuation device 19 for rotating the bezel 13 of at least one push button of the case 6 of the watch 3 arranged in the enclosure 5 of its case 4. This actuation device 19 therefore comprises the pivoting bezel 13, the caseband 10c of the case 4 and at least one deformable lever element 15a, 15b. On the Figures 2 to 3 , this device 19 comprises two lever elements 15a, 15b each capable of actuating a push button of the case 6 of the watch 3.

Chaque élément de levier déformable 15a, 15b est susceptible de passer d'un état dit « d'inactivation » lors duquel les première et deuxième pièces 16a, 16b forment ensemble un angle obtus à un état dit « d'activation » lors duquel ces première et deuxième pièces 16a, 16b forment un angle inférieur ou égal à un angle droit. Dans cet état d'activation, cet élément de levier 15a, 15b a une forme repliée sensiblement similaire à celle de la lettre « L » qui est engendrée par le déplacement en rotation 20 de la lunette 13 lors de sa manipulation par l'utilisateur/porteur du dispositif de Dewar 1 et ce, dans l'objectif d'activer le bouton poussoir de la montre 3.Each deformable lever element 15a, 15b is capable of passing from a so-called “inactivation” state in which the first and second parts 16a, 16b together form an obtuse angle to a so-called “activation” state in which these first and second parts 16a, 16b form an angle less than or equal to a right angle. In this activation state, this lever element 15a, 15b has a folded shape substantially similar to that of the letter “L” which is generated by the rotational movement 20 of the bezel 13 during its manipulation by the user/wearer of the Dewar device 1 and this, with the aim of activating the push button of the watch 3.

Un tel élément de levier déformable 15a, 15b comprend une première extrémité 21a fixée mobile à un corps de la carrure 10c du boitier 4 à partir d'un des éléments de fixation 17c qui le composent. Plus précisément, cette première extrémité 21a est fixée mobile à ce corps de la carrure 10c autour d'un premier axe commun avec l'axe central de l'élément de fixation 17c. Cet élément de levier 15a, 15b comprend aussi une deuxième extrémité 21b fixée au corps de la lunette 13 à partir d'un autre élément de fixation 17c de ce dispositif d'actionnement 19. Là aussi, cette deuxième extrémité 21b est fixée mobile à ce corps de la carrure 10c autour d'un deuxième axe commun avec l'axe central de l'élément de fixation 17c correspondant. On notera que ces première et deuxième axes sont sensiblement parallèles ou strictement parallèles entre eux et à un axe central O du boitier 4 et donc de la carrure 10c et de la lunette 13.Such a deformable lever element 15a, 15b comprises a first end 21a movably fixed to a body of the caseband 10c of the case 4 from one of the fixing elements 17c which compose it. More precisely, this first end 21a is movably fixed to this body of the caseband 10c around a first axis common with the central axis of the fixing element 17c. This lever element 15a, 15b also comprises a second end 21b fixed to the body of the bezel 13 from another fixing element 17c of this actuating device 19. Here too, this second end 21b is movably fixed to this body of the caseband 10c around a second axis common with the central axis of the corresponding fixing element 17c. It will be noted that these first and second axes are substantially parallel or strictly parallel to each other and to a central axis O of the case 4 and therefore of the caseband 10c and the bezel 13.

Chaque élément de levier 15a, 15b comprend donc aussi les éléments de fixation 17a, 17b, 17c évoqués précédemment ainsi que des première et deuxième pièces 16a, 16b qui sont de préférence rigide et/ou de tailles différentes. Ces première et deuxième pièces 16a, 16b sont reliées entre elles en des extrémités dites de liaison à partir de l'élément de liaison référencé 17b. Dans cette configuration la première pièce 16a qui présente une taille inférieure à la deuxième pièce 16b comprend la première extrémité 21a de l'élément de levier 15a, 15b qui est reliée à la carrure 10c et son extrémité de liaison qui est reliée à celle de la deuxième pièce 16b. S'agissant de la deuxième pièce 16b elle comprend la deuxième extrémité 21b de l'élément de levier 15a, 15b qui est reliée à la lunette 13 et son extrémité de liaison qui est reliée à celle de la première pièce 16a.Each lever element 15a, 15b therefore also comprises the fixing elements 17a, 17b, 17c mentioned above as well as first and second parts 16a, 16b which are preferably rigid and/or of different sizes. These first and second parts 16a, 16b are connected to each other at so-called connecting ends from the connecting element referenced 17b. In this configuration, the first part 16a which has a smaller size than the second part 16b comprises the first end 21a of the lever element 15a, 15b which is connected to the middle 10c and its connecting end which is connected to that of the second part 16b. As regards the second part 16b, it comprises the second end 21b of the lever element 15a, 15b which is connected to the bezel 13 and its connecting end which is connected to that of the first part 16a.

Les extrémités de liaison forment ensemble une zone d'actionnement 18 de l'élément de levier 15a, 15b. Les première et deuxième pièces 16a, 16b de l'élément de levier 15a, 15b sont reliées entre elles de manière à être mobiles relativement l'une à l'autre et ce, autour d'un troisième axe commun avec l'axe central de l'élément de fixation 17b correspondant qui les relie entre elles. On remarquera que ce troisième axe est sensiblement parallèle ou strictement parallèle aux premier et deuxième axes évoqués précédemment.The connecting ends together form an actuation zone 18 of the lever element 15a, 15b. The first and second parts 16a, 16b of the lever element 15a, 15b are connected to each other so as to be movable relative to each other and this, around a third axis common with the central axis of the corresponding fixing element 17b which connects them to each other. It will be noted that this third axis is substantially parallel or strictly parallel to the first and second axes mentioned above.

Ainsi que nous l'avons évoqué précédemment, la zone d'actionnement 18 formée par ces deux extrémités de liaison est apte à participer à l'activation du bouton poussoir de la montre dès lors que la lunette pivotante 13 est entrainée par le porteur du dispositif de Dewar dans un déplacement en rotation 20.As we have previously mentioned, the actuation zone 18 formed by these two connecting ends is capable of participating in the activation of the push button of the watch as soon as the pivoting bezel 13 is driven by the wearer of the Dewar device in a rotational movement 20.

Cette activation du bouton poussoir est de préférence indirecte. En effet, la zone d'actionnement 18 est susceptible d'activer le bouton poussoir de la montre 3 en entrant en contact de manière indirecte avec ce dernier et ce, par l'intermédiaire d'une zone d'activation de la carrure10c. Cette zone d'activation peut comprendre un organe coulissant, notamment un bouton poussoir agencé dans la carrure 10c et qui est susceptible d'entrer en contact directement avec le bouton poussoir de la montre 3 dès lors qu'il est sollicité par cette zone d'activation. Dans une alternative, cette zone d'activation peut être une portion de la paroi périphérique de la carrure 10c qui est susceptible de se déformer afin d'entrer en contact avec le bouton poussoir de la montre 3. Dans cette configuration, cette zone d'activation fait partie du dispositif d'actionnement 19.This activation of the push button is preferably indirect. Indeed, the actuation zone 18 is capable of activating the push button of the watch 3 by coming into indirect contact with the latter and this, by means of an activation zone of the caseband 10c. This activation zone may comprise a sliding member, in particular a push button arranged in the caseband 10c and which is capable of coming into direct contact with the push button of the watch 3 as soon as it is acted upon by this activation zone. In an alternative, this activation zone may be a portion of the peripheral wall of the caseband 10c which is capable of deforming in order to come into contact with the push button of the watch 3. In this configuration, this activation zone is part of the actuation device 19.

Dans d'autres modes de réalisation de l'invention, cette activation peut être directe lorsque cette zone d'actionnement 18 entre en contact directement avec ce bouton poussoir.In other embodiments of the invention, this activation can be direct when this actuation zone 18 comes into direct contact with this push button.

En outre, le dispositif de Dewar 1 peut comprendre un logement défini à la fois dans les corps de la lunette 13 et de la carrure 10c et dans lequel peut être agencé l'élément de levier 15a, 15b. Dans ce contexte, la zone d'actionnement 18 de cet élément de levier 15a, 15b est alors susceptible de se déplacer dans ce logement en direction du bouton poussoir de la montre ou au contraire de s'éloigner de ce dernier selon le déplacement en rotation effectué par la lunette pivotante 13.Furthermore, the Dewar device 1 may comprise a housing defined both in the bodies of the bezel 13 and the caseband 10c and in which the lever element 15a, 15b may be arranged. In this context, the actuation zone 18 of this lever element 15a, 15b is then capable of moving in this housing towards the push button of the watch or, on the contrary, of moving away from the latter according to the rotational movement carried out by the pivoting bezel 13.

En référence aux figures 2 à 4, le dispositif de Dewar 1 comprend deux éléments de levier 15a, 15b prévus pour activer deux boutons poussoirs distincts de la boite 6 de la montre 3. Ces deux éléments de levier 15a, 15b sont agencés à proximité ou au voisinage des boutons poussoirs correspondant de la boite 6 avec lesquels ils sont destinés à coopérer de manière indirecte ou directe. Sur ces figures 2 à 4, les premier et deuxième boutons poussoirs sont agencés sur une carrure de la boite 6 de montre respectivement dans les zones des « 2 heures » et « 4heures ».In reference to the Figures 2 to 4 , the Dewar device 1 comprises two lever elements 15a, 15b provided to activate two separate push buttons of the case 6 of the watch 3. These two lever elements 15a, 15b are arranged near or in the vicinity of the corresponding push buttons of the case 6 with which they are intended to cooperate indirectly or directly. On these Figures 2 to 4 , the first and second push buttons are arranged on a case middle of the watch case 6 respectively in the “2 o'clock” and “4 o'clock” areas.

Sur la figure 2, la lunette pivotante 13 du dispositif de Dewar 1 est animée d'un déplacement en rotation 20 effectué dans un sens inverse à celui des aiguilles d'une montre soit de droite vers la gauche. Ce mouvement de la lunette 13 permet de configurer le premier élément de levier 15a dans l'état d'activation lors duquel sa zone d'actionnement 18 provoque l'activation du premier bouton poussoir de la boite 6 de montre 3. On notera lors de cette configuration de ce premier élément de levier 15a dans cet état d'activation que les première et deuxième pièces 16a, 16b du deuxième élément de levier 15b s'articulent entre elles de sorte à ce que les trois éléments de fixation 17a, 17b, 17c soient sensiblement alignés ou strictement alignés. Cet alignement des éléments de fixation 17a, 17b, 17c de ce deuxième élément de levier 15b participe en ce que ce dernier présente une forme générale rectiligne.On the figure 2 , the pivoting bezel 13 of the Dewar device 1 is driven by a rotational movement 20 carried out in a counterclockwise direction, i.e. from right to left. This movement of the bezel 13 makes it possible to configure the first lever element 15a in the activation state during which its actuation zone 18 causes the activation of the first push button of the watch case 6 3. It will be noted during this configuration of this first lever element 15a in this activation state that the first and second parts 16a, 16b of the second lever element 15b are articulated together so that the three fixing elements 17a, 17b, 17c are substantially aligned or strictly aligned. This alignment of the fixing elements 17a, 17b, 17c of this second lever element 15b contributes to the latter having a generally rectilinear shape.

Sur la figure 3, la lunette pivotante 13 du dispositif de Dewar 1 est animée d'un déplacement en rotation effectué dans un sens similaire à celui des aiguilles d'une montre soit de gauche à droite. Ce déplacement de la lunette 13 permet de configurer le deuxième élément de levier 15b dans l'état d'activation lors duquel sa zone d'actionnement 18 provoque l'activation du deuxième bouton poussoir de la boite 6 de montre 3. On notera lors de cette configuration de ce deuxième élément de levier 15b dans cet état d'activation que les première et deuxième pièces 16a, 16b du premier élément de levier 15a s'articulent entre elles de sorte à ce que ses trois éléments de fixation 17a, 17b, 17c soient sensiblement alignés ou strictement alignés. Cet alignement des éléments de fixation 17a, 17b, 17c de ce premier élément de levier 15a participe en ce que ce dernier présente une forme générale rectiligne.On the figure 3 , the pivoting bezel 13 of the Dewar device 1 is driven by a rotational movement performed in a direction similar to that of the hands of a clock, i.e. from left to right. This movement of the bezel 13 makes it possible to configure the second lever element 15b in the activation state during which its actuation zone 18 causes the activation of the second push button of the watch case 6 3. It will be noted during this configuration of this second lever element 15b in this activation state that the first and second parts 16a, 16b of the first lever element 15a are articulated together so that its three fixing elements 17a, 17b, 17c are substantially aligned or strictly aligned. This alignment of the fixing elements 17a, 17b, 17c of this first lever element 15a contributes to the latter having a generally rectilinear shape.

En outre ainsi que nous l'avons évoqué précédemment, les premier et deuxième éléments de levier 15a, 15b illustrés sur la figure 4 sont tous les deux dans l'état d'inactivation lors duquel les première et deuxième pièces 16a, 16b de chacun d'entre eux forment ensemble un angle obtus.Further as previously discussed, the first and second lever elements 15a, 15b illustrated in the figure 4 are both in the inactivation state in which the first and second parts 16a, 16b of each of them together form an obtuse angle.

On comprend qu'un tel dispositif d'actionnement 19 permet d'améliorer l'utilisation du dispositif de Dewar 1 notamment lorsque l'utilisateur de ce dispositif 1 n'est pas très habile de la partie de son corps qui lui permet de le manipuler. Ce manque d'habilité peut résulter d'un handicap ou encore du fait que cet utilisateur porte des gants épais aux mains ce qui l'empêchent d'être précis avec ses doigts pour manipuler ce dispositif de Dewar 1. Dans ce contexte, on notera qu'un tel dispositif Dewar 1 est particulièrement adapté à une utilisation par des astronautes vêtus de leur combinaison spatiale ou plus généralement par des utilisateurs/aventuriers en combinaison évoluant dans des environnements où règnent des conditions extrêmes en termes par exemple de pression, température, humidité, etc...It is understood that such an actuating device 19 makes it possible to improve the use of the Dewar device 1, in particular when the user of this device 1 is not very skilled with the part of his body. which allows him to manipulate it. This lack of skill may result from a disability or from the fact that this user wears thick gloves on his hands which prevent him from being precise with his fingers to manipulate this Dewar 1 device. In this context, it should be noted that such a Dewar 1 device is particularly suitable for use by astronauts wearing their spacesuits or more generally by users/adventurers in spacesuits evolving in environments where extreme conditions prevail in terms of, for example, pressure, temperature, humidity, etc.

Ainsi que nous l'avons vu précédemment la boite 6 de montre 3 est agencée dans l'enceinte 5 du boitier 4 en étant maintenue éloignée ou à distance de l'ensemble des éléments 10a à 10c de ce boitier 4. Cet éloignement ou cette distance ou encore cet écartement est configuré (e) à partir d'au moins un dispositif de fixation 7 de la boite 6 de montre 3 dans le boitier 4. Autrement dit, le dispositif de fixation 7 est configuré pour réaliser ou maintenir un écartement entre ladite boite 6 et l'ensemble des éléments 10a, 10b, 10c du boitier 4 formant ladite enceinte 5 de ce boitier 4. Ce dispositif de fixation 7 participe à réduire voire à supprimer toute conduction thermique entre la paroi périphérique intérieure 12a de la carrure 10c et/ou le fond 10b et/ou la glace 10a avec la boite 6 de montre 3 en particulier avec une face globale externe de cette boite 6. Cette face globale externe comporte une face supérieure comprenant la glace 11 de la boite 6 de cette montre 3, une face inférieure comprenant un fond de ladite boite 6 et une paroi périphérique externe d'une carrure de cette boite 6. On comprend que les faces inférieure et supérieure sont opposées l'une à l'autre. On notera que le dispositif de fixation 7 est agencé sur une paroi périphérique intérieure 12 de l'enceinte du boitier 4. Dans cette configuration le dispositif de fixation 7 relie mécaniquement, notamment de manière réversible, la boite 6 de montre 3 à la paroi périphérique intérieure 12 de l'enceinte du boitier 4. En outre, le dispositif de Dewar 1 peut comprendre deux dispositifs de fixation 7 agencés dans l'enceinte 5 en étant opposés l'un à l'autre.As we have seen previously, the case 6 of the watch 3 is arranged in the enclosure 5 of the case 4 while being kept away or at a distance from all of the elements 10a to 10c of this case 4. This distance or this distance or even this spacing is configured from at least one fixing device 7 of the case 6 of the watch 3 in the case 4. In other words, the fixing device 7 is configured to produce or maintain a spacing between said case 6 and all of the elements 10a, 10b, 10c of the case 4 forming said enclosure 5 of this case 4. This fixing device 7 helps to reduce or even eliminate any thermal conduction between the inner peripheral wall 12a of the caseband 10c and/or the back 10b and/or the crystal 10a with the case 6 of the watch 3 in particular with an external overall face of this case 6. This external overall face comprises an upper face comprising the crystal 11 of the case 6 of this watch 3, a lower face comprising a bottom of said case 6 and an external peripheral wall of a middle of this case 6. It is understood that the lower and upper faces are opposite each other. It will be noted that the fixing device 7 is arranged on an internal peripheral wall 12 of the enclosure of the case 4. In this configuration, the fixing device 7 mechanically connects, in particular reversibly, the case 6 of watch 3 to the internal peripheral wall 12 of the enclosure of the case 4. In addition, the Dewar device 1 may comprise two fixing devices 7 arranged in the enclosure 5 while being opposite each other.

On notera qu'une telle boite 6 est comprise dans une montre 3 qui peut être une montre électronique par exemple une montre à quartz, ou encore une montre mécanique.It will be noted that such a box 6 is included in a watch 3 which can be an electronic watch, for example a quartz watch, or even a mechanical watch.

Les composants mécaniques et/ou fonctionnels 2 de la montre 3, évoqués précédemment, comprennent de manière non limitative et non exhaustive : des éléments mécaniques du mouvement tels qu'un balancier-spiral, des roues, un mécanisme de sonnerie, un cadran, des aiguilles, des bagues, des joints et/ou des composants électroniques et/ou électriques 2. On remarquera en particulier que de tels composants électroniques et/ou électriques 2 comportent par exemple un dispositif d'affichage, un processeur, une mémoire, un composant de stockage d'énergie, un moteur, un circuit intégré et un oscillateur électronique, etc...The mechanical and/or functional components 2 of the watch 3, mentioned above, comprise, in a non-limiting and non-exhaustive manner: mechanical elements of the movement such as a sprung balance, wheels, a striking mechanism, a dial, hands, rings, seals and/or electronic and/or electrical components 2. It will be noted in particular that such electronic and/or electrical components 2 comprise, for example, a display device, a processor, a memory, an energy storage component, a motor, an integrated circuit and an electronic oscillator, etc.

On comprend donc que dans cette configuration, ce dispositif de Dewar 1 présente les mêmes propriétés et caractéristiques qu'un tube/vase de Dewar bien connu dans l'état de la technique. Ainsi que nous l'avons précédemment évoqué, les propriétés et caractéristiques de ce dispositif de Dewar 1 participent à lui conférer une bonne isolation thermique au regard de températures notamment extrêmes pouvant régner dans l'environnement extérieur dans lequel un tel dispositif 1 peut être localisé.It is therefore understood that in this configuration, this Dewar device 1 has the same properties and characteristics as a Dewar tube/vessel well known in the state of the art. As we have previously mentioned, the properties and characteristics of this Dewar device 1 contribute to giving it good thermal insulation with regard to temperatures, in particular extreme temperatures, which may prevail in the external environment in which such a device 1 may be located.

Ainsi que nous l'avons vu, la glace 10a, la carrure 10c et le fond 10b de ce dispositif 1 définissent ensemble l'enceinte 5 de ce boitier 4 qui est susceptible de recevoir la boite 6 de montre 3. Ces trois éléments 10a à 10c du boitier 4 à savoir la carrure 10c, la glace 10a et le fond 10b peuvent être des éléments distincts qui sont joints ensemble pour construire cette enceinte 5. De manière alternative, la carrure 10c et le fond 10b du boitier 4 peuvent former ensemble une pièce monobloc, ladite pièce monobloc définissant une ouverture opposée au fond 10b qui est susceptible d'être refermée par la glace 10a et ce, de manière réversible et étanche. Dans une alternative, la carrure 10c et la glace 10a du boitier4 de montre 3, peuvent former ensemble une pièce monobloc, ladite pièce monobloc définissant une ouverture opposée à la glace 10a qui est susceptible d'être refermée par le fond 10b et ce, aussi de manière réversible et étanche.As we have seen, the crystal 10a, the caseband 10c and the back 10b of this device 1 together define the enclosure 5 of this case 4 which is capable of receiving the case 6 of the watch 3. These three elements 10a to 10c of the case 4, namely the caseband 10c, the crystal 10a and the back 10b, can be separate elements which are joined together to construct this enclosure 5. Alternatively, the caseband 10c and the back 10b of the case 4 can together form a single-piece part, said single-piece part defining an opening opposite the back 10b which is capable of being closed by the crystal 10a and this, in a reversible and sealed manner. In an alternative, the caseband 10c and the crystal 10a of the case4 of the watch 3, can together form a single-piece part, said single-piece part defining an opening opposite the ice 10a which is capable of being closed by the bottom 10b and this, also in a reversible and watertight manner.

La carrure 10c ou le fond 10b peuvent être également comme la glace 10a un élément d'habillage transparent du boitier 4 du dispositif de Dewar 1. Dans une telle configuration, la paroi périphérique intérieure 12 de la carrure 10c et la face intérieure du fond 10b peuvent être revêtues d'un enduit réfléchissant métallique ou similaire, tel que par exemple d'une couche d'argent.The case 10c or the bottom 10b can also be, like the glass 10a, a transparent covering element of the case 4 of the Dewar device 1. In such a configuration, the inner peripheral wall 12 of the case 10c and the inner face of the bottom 10b can be coated with a metallic or similar reflective coating, such as for example a layer of silver.

On notera cependant que la carrure 10c ou le fond 10b sont de préférence réalisés de manière non limitative et non exhaustive en une matière métallique ou en des résines polymères thermodurcissables ou thermoplastiques renforcées de fibres de carbone ou de verre ou encore en matériaux céramiques.It should be noted, however, that the case 10c or the back 10b are preferably made, in a non-limiting and non-exhaustive manner, of a metallic material or of thermosetting or thermoplastic polymer resins reinforced with carbon or glass fibers or even of ceramic materials.

En complément, le dispositif 1 peut comprendre un filtre interférométrique agencé sur une face globale externe du boitier 4 à savoir sur une paroi périphérique extérieure de la carrure 10c et/ou des faces extérieures de la glace 10a et du fond 10b de cette boite 6 de montre 3. Ce filtre interférométrique peut être un grillage ou un treillis formant un revêtement sur cette face globale externe du boitier 4. Ce grillage ou treillis présente un maillage dont les dimensions sont telles qu'elles ne laissent passer que certaines longueurs d'onde prédéterminées du spectre électromagnétique, typiquement les longueurs d'onde du domaine visible.In addition, the device 1 may comprise an interferometric filter arranged on an overall external face of the case 4, namely on an external peripheral wall of the caseband 10c and/or the external faces of the crystal 10a and the back 10b of this watch case 6 3. This interferometric filter may be a grid or a trellis forming a coating on this overall external face of the case 4. This grid or trellis has a mesh whose dimensions are such that they only allow certain predetermined wavelengths of the electromagnetic spectrum to pass through, typically the wavelengths of the visible range.

En outre lorsque le dispositif 1 est prévu pour être utilisé dans un environnement comprenant de l'air, l'enceinte 5 du boitier 4 comprenant la boite 6 de montre, est sous vide ou quasi sous vide. Autrement dit, dans cette enceinte, l'espace défini entre cette boite 6 et la paroi périphérique intérieure 12 de la carrure 10c, le fond 10b et la glace 10a est vide de matière ou quasi vide. On notera que lorsque ce dispositif 1 est utilisé dans un environnement dépourvu d'air ou sensiblement dépourvu, son enceinte est aussi sous vide ou quasi sous vide.Furthermore, when the device 1 is intended to be used in an environment comprising air, the enclosure 5 of the case 4 comprising the watch case 6 is under vacuum or quasi-vacuum. In other words, in this enclosure, the space defined between this case 6 and the inner peripheral wall 12 of the caseband 10c, the back 10b and the crystal 10a is empty of material or quasi-empty. It will be noted that when this device 1 is used in an environment devoid of air or substantially devoid of air, its enclosure is also under vacuum or quasi-vacuum.

Un tel dispositif de Dewar 1 dont l'utilisation ou la manipulation est facilitée grâce au dispositif d'actionnement, participe à fournir aux composants mécaniques et/ou fonctionnels 2 de la montre 3 une très bonne isolation thermique vis-à-vis de l'environnement extérieur en réduisant voire en empêchant une déperdition thermique par radiation des composants agencés dans la boite 6 de montre pendant une longue durée. Ainsi, lorsque la température à l'extérieur du dispositif 1 atteint des valeurs extrêmes, typiquement de l'ordre de -125 à +125 °C, la température à l'intérieur de l'enceinte 5 reste quant à elle sensiblement égale à la température présente dans la boite 6 de montre 3 lors de son agencement dans le boitier 4, typiquement de l'ordre de 20 °C. On notera que quelles que soient les conditions de température régnant dans l'environnement du dispositif de Dewar 1, la température présente dans la boite 6 de montre 3 est une température qui n'entrave pas le bon fonctionnement de la montre. Cette température est maintenue sur une durée qui est 5 à 18 fois plus importante que la durée pendant laquelle une telle boite de montre serait capable de préserver une température de fonctionnement de ses composants 2 en étant située directement dans un tel environnement où règnent de telles températures notamment extrêmes (c'est-à-dire en étant située hors du boitier du dispositif de Dewar). On conçoit ainsi qu'une telle configuration permet de protéger les composants mécaniques et/ou fonctionnels 2 de la montre 3, ainsi que de participer à assurer leur fonctionnement de manière optimale dans des conditions de température extérieure extrêmes.Such a Dewar device 1, the use or handling of which is facilitated by the actuation device, helps to provide the mechanical and/or functional components 2 of the watch 3 with very good thermal insulation from the external environment by reducing or even preventing heat loss by radiation of the components arranged in the watch case 6 for a long period. Thus, when the temperature outside the device 1 reaches extreme values, typically of the order of -125 to +125°C, the temperature inside the enclosure 5 remains substantially equal to the temperature present in the watch case 6 3 when it is arranged in the case 4, typically of the order of 20°C. It will be noted that whatever the temperature conditions prevailing in the environment of the Dewar device 1, the temperature present in the watch case 6 3 is a temperature that does not hinder the proper functioning of the watch. This temperature is maintained for a duration that is 5 to 18 times greater than the duration during which such a watch case would be capable of maintaining an operating temperature of its components 2 by being located directly in such an environment where such extreme temperatures prevail (i.e. by being located outside the case of the Dewar device). It is thus understood that such a configuration makes it possible to protect the mechanical and/or functional components 2 of the watch 3, as well as to participate in ensuring their operation in an optimal manner in extreme external temperature conditions.

Claims (11)

  1. A Dewar device (1) for a watch (3), said device (1) comprising:
    - a bracelet;
    - a casing (4) including an enclosure (5) wherein a case (6) of said watch (3) can be disposed so that a crystal of said case (6) is arranged opposite a crystal (10a) of said casing (4);
    - at least one fastening device (7) fastening said watch (3) case (6) in said enclosure (5) of the casing (4) by keeping it remote from all the elements (10a, 10b, 10c) of the casing (4) defining this enclosure (5), and
    - a device (19) for actuating at least one push button of said watch by rotating (20) a pivoting bezel (13) of said casing (4).
  2. The Dewar device (1) according to the preceding claim, characterised in that said device (19) for actuating said at least one push button comprises said pivoting bezel (13) which is configured to participate in the actuation of said at least one push button when it performs a rotational movement (20) around its central axis (O).
  3. The Dewar device (1) according to any one of the preceding claims, characterised in that said pivoting bezel (13) is movable in rotation relative to a middle (10c) of the casing (4).
  4. The Dewar device (1) according to the preceding claim, characterised in that the actuating device (19) comprises the pivoting bezel (13), the middle (10c) of the casing (4) and at least one deformable lever element (15a, 15b).
  5. The Dewar device (1) according to the preceding claim, characterised in that said at least one lever element (15a, 15b) comprises a first end (21a) fastened to said middle (10c) of the casing (4) and a second end (21b) fastened to the bezel (13).
  6. The Dewar device (1) according to claim 4, characterised in that said at least one lever element (15a, 15b) comprises first and second parts (16a, 16b) of different sizes movably connected together by a fastening element (17b).
  7. The Dewar device (1) according to any one of claims 4 to 6, characterised in that said at least one lever element (15a, 15b) comprises connecting elements (17a, 17c) capable of ensuring a movable fastening of this lever element (15a, 15b) to the middle (10c) and to the bezel of the casing (4).
  8. The Dewar device (1) according to the preceding claim and claim 6, characterised in that said first and second parts (16a, 16b) are interconnected at connecting ends forming an actuation area (18) of said at least one lever element (15a, 15b).
  9. The Dewar device (1) according to any one of the preceding claims when they depend on claim 4, characterised in that said at least one lever element (15a, 15b) comprises an actuation area (18) capable of activating the push button of the watch (3) by contacting at least one activation area of the middle.
  10. The Dewar device (1) according to the preceding claim, characterised in that the activation area comprises a sliding member, in particular a push button, arranged in the middle (10c) capable of contacting the push button of the watch when it is acted upon by said at least one lever element (15a, 15b).
  11. The Dewar device (1) according to any one of claims 4 to 8, characterised in that said at least one lever element (15a, 15b) comprises an actuation area (18) capable of activating the push button of the watch (3) by directly contacting said button.
EP21180332.5A 2021-06-18 2021-06-18 Dewar device for timepiece comprising a pivoting bezel Active EP4105737B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP21180332.5A EP4105737B1 (en) 2021-06-18 2021-06-18 Dewar device for timepiece comprising a pivoting bezel
US17/658,867 US11960248B2 (en) 2021-06-18 2022-04-12 Dewar device comprising a pivoting bezel
JP2022078563A JP7337996B2 (en) 2021-06-18 2022-05-12 Dewar device with pivoting bezel
KR1020220062869A KR102745515B1 (en) 2021-06-18 2022-05-23 Dewar device comprising a pivoting bezel
CN202210574242.6A CN115494717B (en) 2021-06-18 2022-05-24 Dewar device comprising a pivoting rim

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21180332.5A EP4105737B1 (en) 2021-06-18 2021-06-18 Dewar device for timepiece comprising a pivoting bezel

Publications (2)

Publication Number Publication Date
EP4105737A1 EP4105737A1 (en) 2022-12-21
EP4105737B1 true EP4105737B1 (en) 2025-01-22

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EP21180332.5A Active EP4105737B1 (en) 2021-06-18 2021-06-18 Dewar device for timepiece comprising a pivoting bezel

Country Status (5)

Country Link
US (1) US11960248B2 (en)
EP (1) EP4105737B1 (en)
JP (1) JP7337996B2 (en)
KR (1) KR102745515B1 (en)
CN (1) CN115494717B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4012510B1 (en) * 2020-12-09 2025-02-19 Omega SA Isothermal timepiece device
EP4390570A1 (en) * 2022-12-23 2024-06-26 Omega SA Dewar system for timepieces, comprising a contrast adjustment system for a display

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US3030763A (en) * 1959-06-23 1962-04-24 Hans U Klingenberg Waterproof watch casing
DE1943087A1 (en) * 1969-08-25 1971-03-04 Juergen Bohnenberger Case with fast winding for clocks
CH537170A (en) * 1971-06-21 1973-05-31 Omega Louis Brandt & Freres S Protective case for wristwatch
US4244044A (en) * 1979-09-04 1981-01-06 Olsson Mark S Waterproof sport watch
WO2000031596A1 (en) * 1998-11-26 2000-06-02 Citizen Watch Co., Ltd. Timepiece
GB2350523B (en) * 1999-05-26 2003-11-26 Nokia Mobile Phones Ltd Communication device
JP2009229167A (en) * 2008-03-21 2009-10-08 Seiko Epson Corp Portable watch
JP5045520B2 (en) 2008-03-26 2012-10-10 セイコーエプソン株式会社 Cell phone clock
CN101441437B (en) 2008-12-26 2011-08-10 金晖(中山)金属制造有限公司 Wrist watch driving inner push button by outer ring
US10494080B2 (en) * 2015-10-13 2019-12-03 The Boeing Company Thermal insulation for aircraft components
CN205176489U (en) * 2015-11-27 2016-04-20 东莞晶石光学有限公司 A watch glass with three-dimensional printing
KR20170062864A (en) * 2015-11-30 2017-06-08 엘지전자 주식회사 Smart watch
EP3631582A1 (en) * 2017-05-22 2020-04-08 Timelink AG Movement holder for a movement of a watch
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CH716913A2 (en) * 2019-12-09 2021-06-15 Omega Sa Electronic watch including a dewar device.

Also Published As

Publication number Publication date
JP7337996B2 (en) 2023-09-04
CN115494717A (en) 2022-12-20
US20220404776A1 (en) 2022-12-22
KR102745515B1 (en) 2024-12-20
CN115494717B (en) 2024-12-03
JP2023001034A (en) 2023-01-04
US11960248B2 (en) 2024-04-16
EP4105737A1 (en) 2022-12-21
KR20220169396A (en) 2022-12-27

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