EP3067756B1 - Swivel assembly for a timepiece - Google Patents

Swivel assembly for a timepiece Download PDF

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Publication number
EP3067756B1
EP3067756B1 EP15158296.2A EP15158296A EP3067756B1 EP 3067756 B1 EP3067756 B1 EP 3067756B1 EP 15158296 A EP15158296 A EP 15158296A EP 3067756 B1 EP3067756 B1 EP 3067756B1
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EP
European Patent Office
Prior art keywords
pivoting assembly
bearings
axis
arbor
washer
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
EP15158296.2A
Other languages
German (de)
French (fr)
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EP3067756A1 (en
Inventor
Marc Stranczl
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.)
Nivarox Far SA
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Nivarox Far 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 Nivarox Far SA filed Critical Nivarox Far SA
Priority to EP15158296.2A priority Critical patent/EP3067756B1/en
Priority to US15/046,810 priority patent/US9897973B2/en
Priority to JP2016033062A priority patent/JP6087003B2/en
Priority to RU2016108037A priority patent/RU2642153C2/en
Priority to CN201610130308.7A priority patent/CN105954995B/en
Publication of EP3067756A1 publication Critical patent/EP3067756A1/en
Application granted granted Critical
Publication of EP3067756B1 publication Critical patent/EP3067756B1/en
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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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
    • G04B13/022—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft with parts made of hard material, e.g. silicon, diamond, sapphire, quartz and the like
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/026—
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/02—Shock-damping bearings
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/02—Shock-damping bearings
    • G04B31/04—Shock-damping bearings with jewel hole and cap jewel
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/06—Manufacture or mounting processes

Definitions

  • the invention relates to a pivoting assembly for a timepiece and, more particularly, to a timepiece wheel or resonator.
  • EP 2 743 781 and CH 699 680 disclose an organ resiliently blocked on an axis by a washer. Such a configuration makes it possible to avoid adjusting the shell of a hairspring or a wheel on an axis and then being glued at its points of contact.
  • the object of the present invention is to overcome all or part of the disadvantages mentioned above by proposing a pivoting assembly using an elastic washer described in the documents EP 2,743 781 and CH 699680 which has a total thickness allowing its application to any type of watch movement.
  • the invention relates to a pivoting assembly comprising a shaft rotatably mounted between two bearings, a member mounted on the shaft with the aid of at least one spring washer characterized in that at least one of the two bearings comprises a limit stop which is arranged to come into direct contact with the at least one elastic washer to restrict the relative displacement between the axis and the two bearings.
  • the invention relates to a timepiece comprising at least one pivoting assembly according to one of the preceding variants.
  • the documents EP 2 743 781 and CH 699 680 respectively disclose a hairspring and an organ resiliently locked between the bearing of an axis and a washer. Such a configuration is presented to the figure 1 .
  • a regulating member 1 formed of an axis 2 mounted between a bridge 3 and a plate 4.
  • the regulating member 1 comprises a spiral 5 and a rocker 6 which are mounted between a bearing of the axis 2 and a washer elastic 7.
  • the axis 2 further comprises two bearing surfaces 8, 8 'each intended to come into contact with a bearing 9, 9' mounted respectively in the bridge 3 and the plate 4. It is immediate that the configurations described in the documents EP 2 743 781 and CH 699 680 impose a non-negligible distance between the washer 7 and the bearing 9 which can prevent their implementation in a thin movement.
  • the invention relates to a pivoting assembly comprising an axis rotatably mounted between two bearings and a member mounted on the shaft with the aid of at least one spring washer.
  • at least one of the two bearings comprises a limiting abutment which is arranged to come into direct contact with said at least one spring washer in order to restrict the relative displacement between the axis and its bearings.
  • an axis may also comprise at least two washers, either attaching a single member or each washer attaching a separate member against a range distinct from the axis.
  • this allows each of the two bearings can come into direct contact with one of the washers used on the axis in order to restrict the relative displacement between the axis and its bearings while limiting as much as possible the height of the pivoting assembly.
  • the figure 2 relates to a first embodiment forming a pivoting assembly of the gear type.
  • the pivoting assembly 11 comprises an axis 12 rotatably mounted between two bearings 13 and 14 respectively mounted in a plate 15 and a bridge 16.
  • each bearing 13, 14 comprises a bearing 17, 18 arranged to receive a pivot 19, 20 formed on each end of the axis 12.
  • a member forming a wheel 21 is mounted between a bearing surface of the shaft 12 and an elastic washer 22. It can also be seen that the shaft 12 comprises a pinion 23 under the wheel 21.
  • at least one two bearings 13, 14 comprises a limit stop 25 which is arranged to come into direct contact with the spring washer 22 in order to restrict the relative displacement between the axis 12 and its bearings 13, 14.
  • the second embodiment illustrated in Figures 3 and 4 illustrates better limiting stops according to the invention. So the Figures 3 and 4 relate to a second embodiment forming a pivoting assembly of the resonator type.
  • the pivoting assembly 31 comprises an axis 32 rotatably mounted between two bearings 33 and 34 respectively mounted in a plate 35 and a bridge 36.
  • each bearing 33, 34 comprises at least one bearing 37, 38 and, preferably a bearing assembly 37, 38 - counter pivot 37 ', 38', is arranged to receive a pivot 39, 40 formed on each end of the axis 32.
  • a member forming a hairspring 41 is mounted between a bearing surface 44 of the pin 32 and an elastic washer 42.
  • the pin 32 comprises a rocker 43 and a plate 46 provided with a pin 47.
  • at least one of the two bearings 33, 34 comprises a limit stop 45 which is arranged to come into direct contact with the elastic washer 42 in order to restrict the relative displacement between the axis 32 and its bearings 33, 34.
  • each at least one bearing 37, 38 and, preferably, a bearing assembly 37, 38 - against a pivot 37 ', 38' is resiliently mounted in its associated bearing 33, 34 in order to cushion the impacts received. by the axis 32.
  • the elasticity is provided by a lyre spring 48, 49 respectively mounted between the plate 35 and the counter-pivot 37 ', and the bridge 36 and the pivot-pivot 38'.
  • the figure 5 relates to a third embodiment forming an alternating resonator-type pivoting assembly in the second embodiment.
  • the pivoting assembly 51 comprises an axis 52 rotatably mounted between two bearings 53 and 54 respectively mounted in a plate 55 and a bridge 56.
  • each bearing 53, 54 comprises at least one bearing 57, 58 and, preferably a bearing assembly 57, 58 - against pivot 57 ', 58', is arranged to receive a pivot 59, 60 formed on each end of the axis 52.
  • a member forming a hairspring 61 is mounted between a bearing of the axis 52 via a rocker 63 and an elastic washer 62.
  • the shaft 52 comprises a plate 66 with ankle.
  • at least one of the two bearings 53, 54 comprises a limit stop 65 which is arranged to come into direct contact with the elastic washer 62 in order to restrict the relative displacement between the axis 52 and its bearings 53, 54.
  • each at least one bearing 57, 58 and, preferably, a bearing assembly 57, 58 - against pivot 57 ', 58' is resiliently mounted in its associated bearing 53, 54 in order to cushion the impacts received. by axis 52.
  • the elasticity is provided by a spring-shaped 68, 69 respectively mounted between the plate 55 and the pivot 57 ', and the bridge 56 and the pivot pivot 58'.
  • said member or an additional member could thus be an escape anchor, an exhaust trigger, a mainspring barrel or ring, or a pendulum.
  • an axis may comprise two washers each attaching a separate member to one end of the axis, each limit stop of one of the two bearings of the axis being arranged to come into direct contact with one of the two washers in order to restrict the relative displacement between the axis and its bearings.
  • the pivoting assembly could also comprise a member formed, for example, of at least one anchor rod and mounted on an axis (also called rod) between two washers. elastic.
  • the member may also include pallets, a fork and a sting, each of which may have come form with the anchor rod or simply attached to the anchor rod.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Support Of The Bearing (AREA)
  • Rolling Contact Bearings (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

Domaine de l'inventionField of the invention

L'invention se rapporte à un ensemble pivotant pour une pièce d'horlogerie et, plus particulièrement, à un rouage ou à un résonateur de pièce d'horlogerie.The invention relates to a pivoting assembly for a timepiece and, more particularly, to a timepiece wheel or resonator.

Arrière-plan de l'inventionBackground of the invention

Les documents EP 2 743 781 et CH 699 680 divulguent un organe bloqué élastiquement sur un axe par une rondelle. Une telle configuration permet d'éviter d'ajuster la virole d'un spiral ou une roue sur un axe puis d'être collé au niveau de ses points de contact.The documents EP 2 743 781 and CH 699 680 disclose an organ resiliently blocked on an axis by a washer. Such a configuration makes it possible to avoid adjusting the shell of a hairspring or a wheel on an axis and then being glued at its points of contact.

Toutefois, l'utilisation d'une telle rondelle induit une hauteur totale qui peut empêcher sa mise en oeuvre dans des mouvements de faible épaisseur.However, the use of such a washer induces a total height that can prevent its implementation in thin movements.

Résumé de l'inventionSummary of the invention

Le but de la présente invention est de pallier tout ou partie les inconvénients cités précédemment en proposant un ensemble pivotant utilisant une rondelle élastique décrite dans les documents EP 2 743 781 et CH 699680 qui comporte une épaisseur totale permettant son application à tout type de mouvement horloger.The object of the present invention is to overcome all or part of the disadvantages mentioned above by proposing a pivoting assembly using an elastic washer described in the documents EP 2,743 781 and CH 699680 which has a total thickness allowing its application to any type of watch movement.

A cet effet, l'invention se rapporte à un ensemble pivotant comportant un axe monté rotatif entre deux paliers, un organe monté sur l'axe à l'aide d'au moins une rondelle élastique caractérisé en ce qu'au moins un des deux paliers comporte une butée de limitation qui est agencée pour entrer directement en contact avec ladite au moins une rondelle élastique afin de restreindre le déplacement relatif entre l'axe et les deux paliers.For this purpose, the invention relates to a pivoting assembly comprising a shaft rotatably mounted between two bearings, a member mounted on the shaft with the aid of at least one spring washer characterized in that at least one of the two bearings comprises a limit stop which is arranged to come into direct contact with the at least one elastic washer to restrict the relative displacement between the axis and the two bearings.

On comprend donc que tout ou partie de la hauteur ajoutée par l'utilisation de ladite au moins une rondelle élastique est compensée par la substitution de la portée formée sur l'axe par la surface supérieure de ladite au moins une rondelle. Ainsi, la portée de limitation d'au moins un des paliers agit directement contre la rondelle et non plus contre l'axe afin de restreindre le déplacement relatif entre l'axe et ses paliers.It is therefore understood that all or part of the height added by the use of said at least one spring washer is compensated by the substitution of the bearing formed on the axis by the upper surface of said at least one washer. Thus, the limiting range of at least one of the bearings acts directly against the washer and no longer against the axis in order to restrict the relative displacement between the axis and its bearings.

Conformément à d'autres variantes avantageuses de l'invention :

  • ledit organe est monté entre une portée de l'axe et ladite au moins une rondelle ;
  • ledit organe est monté sur l'axe entre deux rondelles élastiques ;
  • ledit organe est un spiral et, préférentiellement, un balancier et un plateau sont en outre monté sur l'axe ;
  • ledit organe est une roue et, préférentiellement, un pignon est en outre monté sur l'axe ;
  • ledit organe est une ancre, une détente, un ressort-moteur ou un balancier ;
  • les deux paliers comportent chacun au moins un coussinet agencé pour recevoir un pivot formé sur chaque extrémité de l'axe ;
  • chaque au moins un coussinet est monté élastiquement dans son palier associé afin d'amortir les chocs reçus par l'axe ;
  • les deux paliers sont montés respectivement dans une platine et un pont.
According to other advantageous variants of the invention:
  • said member is mounted between a bearing of the axis and said at least one washer;
  • said member is mounted on the axis between two spring washers;
  • said member is a hairspring and, preferably, a balance and a plate are further mounted on the axis;
  • said member is a wheel and, preferably, a pinion is further mounted on the axis;
  • said member is an anchor, a trigger, a mainspring or a rocker;
  • the two bearings each comprise at least one pad arranged to receive a pivot formed on each end of the axis;
  • each at least one pad is resiliently mounted in its associated bearing in order to damp the shocks received by the pin;
  • the two bearings are mounted respectively in a plate and a bridge.

De plus, l'invention se rapporte à une pièce d'horlogerie comportant au moins un ensemble pivotant selon l'une des variantes précédentes.In addition, the invention relates to a timepiece comprising at least one pivoting assembly according to one of the preceding variants.

Description sommaire des dessinsBrief description of the drawings

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 dessins annexés, dans lesquels :

  • la figure 1 est une représentation d'un organe réglant utilisant une rondelle élastique ;
  • la figure 2 est une représentation d'un premier mode de réalisation selon l'invention ;
  • les figures 3 et 4 sont des représentations d'un deuxième mode de réalisation selon l'invention ;
  • la figure 5 est une représentation d'un troisième mode de réalisation selon l'invention.
Other particularities and advantages will emerge clearly from the description which is given hereinafter, by way of indication and in no way limiting, with reference to the appended drawings, in which:
  • the figure 1 is a representation of a regulating member using an elastic washer;
  • the figure 2 is a representation of a first embodiment according to the invention;
  • the Figures 3 and 4 are representations of a second embodiment according to the invention;
  • the figure 5 is a representation of a third embodiment according to the invention.

Description détaillée des modes de réalisation préférésDetailed Description of the Preferred Embodiments

Les documents EP 2 743 781 et CH 699 680 divulguent respectivement un spiral et un organe bloqué élastiquement entre la portée d'un axe et une rondelle. Une telle configuration est présentée à la figure 1. On peut voir un organe régulateur 1 formé d'un axe 2 monté entre un pont 3 et une platine 4. L'organe régulateur 1 comporte un spiral 5 et un balancier 6 qui sont montés entre une portée de l'axe 2 et une rondelle élastique 7.The documents EP 2 743 781 and CH 699 680 respectively disclose a hairspring and an organ resiliently locked between the bearing of an axis and a washer. Such a configuration is presented to the figure 1 . We can see a regulating member 1 formed of an axis 2 mounted between a bridge 3 and a plate 4. The regulating member 1 comprises a spiral 5 and a rocker 6 which are mounted between a bearing of the axis 2 and a washer elastic 7.

L'axe 2 comporte en outre deux portées 8, 8' destinées chacune à entrer en contact avec un palier 9, 9' monté respectivement dans le pont 3 et la platine 4. Il est immédiat que les configurations décrites dans les documents EP 2 743 781 et CH 699 680 imposent une distance non négligeable entre la rondelle 7 et le palier 9 qui peut empêcher leur mise en oeuvre dans un mouvement de faible épaisseur.The axis 2 further comprises two bearing surfaces 8, 8 'each intended to come into contact with a bearing 9, 9' mounted respectively in the bridge 3 and the plate 4. It is immediate that the configurations described in the documents EP 2 743 781 and CH 699 680 impose a non-negligible distance between the washer 7 and the bearing 9 which can prevent their implementation in a thin movement.

Pour compenser cette surépaisseur de la rondelle, l'invention se rapporte à un ensemble pivotant comportant un axe monté rotatif entre deux paliers et un organe monté sur l'axe à l'aide d'au moins une rondelle élastique. Avantageusement selon l'invention, au moins un des deux paliers comporte une butée de limitation qui est agencée pour entrer directement en contact avec ladite au moins une rondelle élastique afin de restreindre le déplacement relatif entre l'axe et ses paliers.To compensate for this extra thickness of the washer, the invention relates to a pivoting assembly comprising an axis rotatably mounted between two bearings and a member mounted on the shaft with the aid of at least one spring washer. Advantageously according to the invention, at least one of the two bearings comprises a limiting abutment which is arranged to come into direct contact with said at least one spring washer in order to restrict the relative displacement between the axis and its bearings.

On comprend donc que tout ou partie de la hauteur ajoutée par l'utilisation d'une rondelle élastique est compensée par la substitution de la portée formée spécifiquement sur l'axe par la surface supérieure de ladite au moins une rondelle. Ainsi, la portée de limitation d'au moins un des paliers agit directement contre la rondelle et non plus contre l'axe afin de restreindre le déplacement relatif entre l'axe et ses paliers.It is therefore understood that all or part of the height added by the use of a spring washer is compensated by the substitution of the bearing formed specifically on the axis by the upper surface of said at least one washer. Thus, the limiting range of at least one of the bearings acts directly against the washer and no longer against the axis in order to restrict the relative displacement between the axis and its bearings.

On comprend également qu'un axe peut également comporter au moins deux rondelles, soit, attachant un seul organe, soit, chaque rondelle attachant un organe distinct contre une portée distincte de l'axe. Avantageusement, cela permet que chacun des deux paliers puisse entrer directement en contact avec une des rondelles utilisées sur l'axe afin de restreindre le déplacement relatif entre l'axe et ses paliers tout en limitant au maximum la hauteur de l'ensemble pivotant.It is also understood that an axis may also comprise at least two washers, either attaching a single member or each washer attaching a separate member against a range distinct from the axis. Advantageously, this allows each of the two bearings can come into direct contact with one of the washers used on the axis in order to restrict the relative displacement between the axis and its bearings while limiting as much as possible the height of the pivoting assembly.

Afin de mieux comprendre l'invention, la figure 2 se rapporte à un premier mode de réalisation formant un ensemble pivotant du type rouage. L'ensemble 11 pivotant comporte un axe 12 monté rotatif entre deux paliers 13 et 14 respectivement montés dans une platine 15 et un pont 16. Dans l'exemple illustré à la figure 2, chaque palier 13, 14 comporte un coussinet 17, 18 agencé pour recevoir un pivot 19, 20 formé sur chaque extrémité de l'axe 12.In order to better understand the invention, the figure 2 relates to a first embodiment forming a pivoting assembly of the gear type. The pivoting assembly 11 comprises an axis 12 rotatably mounted between two bearings 13 and 14 respectively mounted in a plate 15 and a bridge 16. In the example illustrated in FIG. figure 2 each bearing 13, 14 comprises a bearing 17, 18 arranged to receive a pivot 19, 20 formed on each end of the axis 12.

Comme visible à la figure 2, un organe formant une roue 21 est monté entre une portée de l'axe 12 et une rondelle élastique 22. On peut également voir que l'axe 12 comporte un pignon 23 sous la roue 21. Avantageusement selon l'invention, au moins un des deux paliers 13, 14 comporte une butée 25 de limitation qui est agencée pour entrer directement en contact avec la rondelle élastique 22 afin de restreindre le déplacement relatif entre l'axe 12 et ses paliers 13, 14.As visible at figure 2 a member forming a wheel 21 is mounted between a bearing surface of the shaft 12 and an elastic washer 22. It can also be seen that the shaft 12 comprises a pinion 23 under the wheel 21. Advantageously according to the invention, at least one two bearings 13, 14 comprises a limit stop 25 which is arranged to come into direct contact with the spring washer 22 in order to restrict the relative displacement between the axis 12 and its bearings 13, 14.

Le deuxième mode de réalisation illustré aux figures 3 et 4 illustre mieux des butées de limitation selon l'invention. Ainsi les figures 3 et 4 se rapportent à un deuxième mode de réalisation formant un ensemble pivotant du type résonateur. L'ensemble 31 pivotant comporte un axe 32 monté rotatif entre deux paliers 33 et 34 respectivement montés dans une platine 35 et un pont 36. Dans l'exemple illustré à la figure 3, chaque palier 33, 34 comporte au moins un coussinet 37, 38 et, préférentiellement un ensemble coussinet 37, 38 - contre-pivot 37', 38', est agencé pour recevoir un pivot 39, 40 formé sur chaque extrémité de l'axe 32.The second embodiment illustrated in Figures 3 and 4 illustrates better limiting stops according to the invention. So the Figures 3 and 4 relate to a second embodiment forming a pivoting assembly of the resonator type. The pivoting assembly 31 comprises an axis 32 rotatably mounted between two bearings 33 and 34 respectively mounted in a plate 35 and a bridge 36. In the example illustrated in FIG. figure 3 each bearing 33, 34 comprises at least one bearing 37, 38 and, preferably a bearing assembly 37, 38 - counter pivot 37 ', 38', is arranged to receive a pivot 39, 40 formed on each end of the axis 32.

Comme visible aux figures 3 et 4, un organe formant un spiral 41 est monté entre une portée 44 de l'axe 32 et une rondelle élastique 42. On peut également voir que l'axe 32 comporte un balancier 43 et un plateau 46 muni d'une cheville 47. Avantageusement selon l'invention, au moins un des deux paliers 33, 34 comporte une butée 45 de limitation qui est agencée pour entrer directement en contact avec la rondelle élastique 42 afin de restreindre le déplacement relatif entre l'axe 32 et ses paliers 33, 34.As visible to Figures 3 and 4 , a member forming a hairspring 41 is mounted between a bearing surface 44 of the pin 32 and an elastic washer 42. It can also be seen that the pin 32 comprises a rocker 43 and a plate 46 provided with a pin 47. Advantageously according to the invention, at least one of the two bearings 33, 34 comprises a limit stop 45 which is arranged to come into direct contact with the elastic washer 42 in order to restrict the relative displacement between the axis 32 and its bearings 33, 34.

Comme visible à la figure 3, on peut également voir que chaque au moins un coussinet 37, 38 et, préférentiellement un ensemble coussinet 37, 38 - contre-pivot 37', 38', est monté élastiquement dans son palier 33, 34 associé afin d'amortir les chocs reçus par l'axe 32. Dans l'exemple de la figure 3, l'élasticité est apportée par un ressort 48, 49 en forme de lyre monté respectivement entre la platine 35 et le contre-pivot 37', et le pont 36 et le contre-pivot 38'.As visible at figure 3 it can also be seen that each at least one bearing 37, 38 and, preferably, a bearing assembly 37, 38 - against a pivot 37 ', 38', is resiliently mounted in its associated bearing 33, 34 in order to cushion the impacts received. by the axis 32. In the example of the figure 3 the elasticity is provided by a lyre spring 48, 49 respectively mounted between the plate 35 and the counter-pivot 37 ', and the bridge 36 and the pivot-pivot 38'.

La figure 5 se rapporte à un troisième mode de réalisation formant un ensemble pivotant du type résonateur alternatif au deuxième mode de réalisation. L'ensemble 51 pivotant comporte un axe 52 monté rotatif entre deux paliers 53 et 54 respectivement montés dans une platine 55 et un pont 56. Dans l'exemple illustré à la figure 5, chaque palier 53, 54 comporte au moins un coussinet 57, 58 et, préférentiellement un ensemble coussinet 57, 58 - contre-pivot 57', 58', est agencé pour recevoir un pivot 59, 60 formé sur chaque extrémité de l'axe 52.The figure 5 relates to a third embodiment forming an alternating resonator-type pivoting assembly in the second embodiment. The pivoting assembly 51 comprises an axis 52 rotatably mounted between two bearings 53 and 54 respectively mounted in a plate 55 and a bridge 56. In the example illustrated in FIG. figure 5 each bearing 53, 54 comprises at least one bearing 57, 58 and, preferably a bearing assembly 57, 58 - against pivot 57 ', 58', is arranged to receive a pivot 59, 60 formed on each end of the axis 52.

Comme visible à la figure 5, un organe formant un spiral 61 est monté entre une portée de l'axe 52 via un balancier 63 et une rondelle élastique 62. On peut également voir que l'axe 52 comporte un plateau 66 muni d'une cheville. Avantageusement selon l'invention, au moins un des deux paliers 53, 54 comporte une butée 65 de limitation qui est agencée pour entrer directement en contact avec la rondelle élastique 62 afin de restreindre le déplacement relatif entre l'axe 52 et ses paliers 53, 54.As visible at figure 5 , a member forming a hairspring 61 is mounted between a bearing of the axis 52 via a rocker 63 and an elastic washer 62. It can also be seen that the shaft 52 comprises a plate 66 with ankle. Advantageously according to the invention, at least one of the two bearings 53, 54 comprises a limit stop 65 which is arranged to come into direct contact with the elastic washer 62 in order to restrict the relative displacement between the axis 52 and its bearings 53, 54.

Comme visible à la figure 5, on peut également voir que chaque au moins un coussinet 57, 58 et, préférentiellement un ensemble coussinet 57, 58 - contre-pivot 57', 58', est monté élastiquement dans son palier 53, 54 associé afin d'amortir les chocs reçus par l'axe 52. Dans l'exemple de la figure 5, l'élasticité est apportée par un ressort 68, 69 en forme de lyre monté respectivement entre la platine 55 et le contre-pivot 57', et le pont 56 et le contre-pivot 58'.As visible at figure 5 it can also be seen that each at least one bearing 57, 58 and, preferably, a bearing assembly 57, 58 - against pivot 57 ', 58', is resiliently mounted in its associated bearing 53, 54 in order to cushion the impacts received. by axis 52. In the example of the figure 5 , the elasticity is provided by a spring-shaped 68, 69 respectively mounted between the plate 55 and the pivot 57 ', and the bridge 56 and the pivot pivot 58'.

Quel que soit le mode de réalisation, on comprend donc que tout ou partie de la hauteur ajoutée par l'utilisation de la rondelle 22, 42, 62 élastique est compensée par la substitution de la portée 8 formée sur l'axe 2 (illustré à la figure 1) par la surface supérieure de la rondelle 22, 42, 62. Ainsi, la portée 45, 65 de limitation d'au moins un des paliers 13, 14, 33, 34, 53, 54 agit directement contre la rondelle 22, 42, 62 et non plus contre l'axe 12, 32, 52 afin de restreindre le déplacement relatif entre l'axe 12, 32, 52 et ses paliers 13, 14, 33, 34, 53, 54.Whatever the embodiment, it is therefore understood that all or part of the height added by the use of the spring washer 22, 42, 62 is compensated by the substitution of the bearing surface 8 formed on the axis 2 (shown in FIG. the figure 1 ) by the upper surface of the washer 22, 42, 62. Thus, the bearing surface 45, 65 of at least one of the bearings 13, 14, 33, 34, 53, 54 acts directly against the washer 22, 42, 62 and no longer against the axis 12, 32, 52 to restrict the relative displacement between the axis 12, 32, 52 and its bearings 13, 14, 33, 34, 53, 54.

Bien entendu, la présente invention ne se limite pas à l'exemple illustré mais est susceptible de diverses variantes et modifications qui apparaîtront à l'homme de l'art. En particulier, d'autres organes peuvent être montés en substitution ou en addition des organes cités ci-dessous. A titre d'exemples nullement limitatif, ledit organe ou un organe additionnel pourrait ainsi être une ancre d'échappement, une détente d'échappement, un ressort-moteur de barillet ou de sonnerie, ou encore un balancier.Of course, the present invention is not limited to the illustrated example but is susceptible of various variations and modifications that will occur to those skilled in the art. In particular, other organs can be mounted in substitution or addition of the organs mentioned below. By way of non-limiting example, said member or an additional member could thus be an escape anchor, an exhaust trigger, a mainspring barrel or ring, or a pendulum.

On peut également imaginer qu'un axe puisse comporter deux rondelles attachant chacune un organe distinct à une extrémité de l'axe, chaque butée de limitation d'un des deux paliers de l'axe étant agencée pour entrer directement en contact avec une des deux rondelles afin de restreindre le déplacement relatif entre l'axe et ses paliers.One can also imagine that an axis may comprise two washers each attaching a separate member to one end of the axis, each limit stop of one of the two bearings of the axis being arranged to come into direct contact with one of the two washers in order to restrict the relative displacement between the axis and its bearings.

Enfin, de manière non limitative, dans un dernier mode de réalisation, l'ensemble pivotant pourrait également comporter un organe formé, par exemple, d'au moins une baguette d'ancre et monté sur un axe (également appelé tige) entre deux rondelles élastiques. La butée de limitation de chacun des deux paliers respectivement montés dans une platine et un pont, étant préférentiellement agencée pour entrer en contact avec une des rondelles afin de restreindre le déplacement relatif entre l'axe et ses paliers. L'organe peut également comporter des palettes, une fourchette et un dard, chacun pouvant être venu de forme avec la baguette d'ancre ou simplement rapporté sur la baguette d'ancre.Finally, without limitation, in a last embodiment, the pivoting assembly could also comprise a member formed, for example, of at least one anchor rod and mounted on an axis (also called rod) between two washers. elastic. The limit stop of each of the two bearings respectively mounted in a plate and a bridge, being preferably arranged to come into contact with one of the washers in order to restrict the relative displacement between the axis and its bearings. The member may also include pallets, a fork and a sting, each of which may have come form with the anchor rod or simply attached to the anchor rod.

Claims (14)

  1. Pivoting assembly (11, 31, 51) comprising an arbor (12, 32, 52) rotatably mounted between two bearings (13, 14, 33, 34, 53, 54), a member (22, 42, 62) mounted on the arbor (12, 32, 52) with the aid of at least one resilient washer (22, 42, 62), characterized in that at least one of the two bearings (13, 14, 33, 34, 53, 54) comprises a limit stop (45, 65) which is arranged to enter into direct contact with said at least one resilient washer (22, 42, 62) in order to restrict the relative movement between the arbor (12, 32, 52) and the two bearings (13, 14, 33, 34, 53, 54).
  2. Pivoting assembly (11, 31, 51) according to the preceding claim, characterized in that said member is mounted between a shoulder (44) of the arbor (12, 32, 52) and said at least one resilient washer.
  3. Pivoting assembly (11, 31, 51) according to claim 1, characterized in that said member is mounted on the arbor (12, 32, 52) between two resilient washers (22, 42, 62).
  4. Pivoting assembly (11, 31, 51) according to any of the preceding claims, characterized in that said member is a balance spring.
  5. Pivoting assembly (11, 31, 51) according to the preceding claim, characterized in that a balance and a roller are also mounted on the arbor (12, 32, 52).
  6. Pivoting assembly (11, 31, 51) according to any of claims 1 to 3, characterized in that said member is a wheel.
  7. Pivoting assembly (11, 31, 51) according to the preceding claim, characterized in that a pinion is also mounted on the arbor (12, 32, 52).
  8. Pivoting assembly (11, 31, 51) according to any of claims 1 to 3, characterized in that said member is a pallet-lever or a detent.
  9. Pivoting assembly (11, 31, 51) according to any of claims 1 to 3, characterized in that said member is a mainspring.
  10. Pivoting assembly (11, 31, 51) according to any of claims 1 to 3, characterized in that said member is a balance.
  11. Pivoting assembly (11, 31, 51) according to any of the preceding claims, characterized in that the two bearings (13, 14, 33, 34, 53, 54) each include at least one jewel (17, 18, 37, 37', 38, 38', 57, 57', 58, 58') arranged to receive a pivot (19, 20, 39, 40, 59, 60) formed on each end of the arbor (12, 32, 52).
  12. Pivoting assembly (11, 31, 51) according to the preceding claim, characterized in that each at least one jewel (17, 18, 37, 37', 38, 38', 57, 57', 58, 58') is resiliently mounted in the associated bearing (13, 14, 33, 34, 53, 54) in order to dampen shocks received by the arbor (12, 32, 52).
  13. Pivoting assembly (11, 31, 51) according to any of the preceding claims, characterized in that the two bearings (13, 14, 33, 34, 53, 54) are respectively mounted in a plate (15, 35, 55) and a bridge (16, 36, 56).
  14. Timepiece including at least one pivoting assembly (11, 31, 51) according to any of the preceding claims.
EP15158296.2A 2015-03-09 2015-03-09 Swivel assembly for a timepiece Active EP3067756B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP15158296.2A EP3067756B1 (en) 2015-03-09 2015-03-09 Swivel assembly for a timepiece
US15/046,810 US9897973B2 (en) 2015-03-09 2016-02-18 Pivoting assembly for a timepiece
JP2016033062A JP6087003B2 (en) 2015-03-09 2016-02-24 Rotating assembly for timer
RU2016108037A RU2642153C2 (en) 2015-03-09 2016-03-04 Rotary node for clocks
CN201610130308.7A CN105954995B (en) 2015-03-09 2016-03-08 Pivot assembly for clock and watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15158296.2A EP3067756B1 (en) 2015-03-09 2015-03-09 Swivel assembly for a timepiece

Publications (2)

Publication Number Publication Date
EP3067756A1 EP3067756A1 (en) 2016-09-14
EP3067756B1 true EP3067756B1 (en) 2017-11-22

Family

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Application Number Title Priority Date Filing Date
EP15158296.2A Active EP3067756B1 (en) 2015-03-09 2015-03-09 Swivel assembly for a timepiece

Country Status (5)

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US (1) US9897973B2 (en)
EP (1) EP3067756B1 (en)
JP (1) JP6087003B2 (en)
CN (1) CN105954995B (en)
RU (1) RU2642153C2 (en)

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JP2018194381A (en) * 2017-05-16 2018-12-06 セイコーエプソン株式会社 Mechanical part, timepiece, and method for manufacturing mechanical part
JP7143675B2 (en) * 2018-08-14 2022-09-29 セイコーエプソン株式会社 Watch parts, movements and watches
CN111075898B (en) * 2019-12-25 2021-10-26 中国科学院微小卫星创新研究院 Low-damping rotating device and operation method thereof
EP3929667A1 (en) * 2020-06-26 2021-12-29 ETA SA Manufacture Horlogère Suisse Rotating mobile system of a clock movement
JP7528699B2 (en) 2020-10-07 2024-08-06 セイコーエプソン株式会社 Electronically controlled mechanical clock

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Publication number Publication date
US9897973B2 (en) 2018-02-20
CN105954995A (en) 2016-09-21
CN105954995B (en) 2018-09-14
RU2016108037A (en) 2017-09-07
EP3067756A1 (en) 2016-09-14
US20160266549A1 (en) 2016-09-15
JP6087003B2 (en) 2017-03-01
JP2016166869A (en) 2016-09-15
RU2642153C2 (en) 2018-01-24

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