EP3853670B1 - Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement - Google Patents

Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement Download PDF

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Publication number
EP3853670B1
EP3853670B1 EP19756417.2A EP19756417A EP3853670B1 EP 3853670 B1 EP3853670 B1 EP 3853670B1 EP 19756417 A EP19756417 A EP 19756417A EP 3853670 B1 EP3853670 B1 EP 3853670B1
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EP
European Patent Office
Prior art keywords
resilient
retaining member
support element
arms
rigid
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Active
Application number
EP19756417.2A
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English (en)
French (fr)
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EP3853670A1 (de
Inventor
Ivan Hernandez
Pierre Cusin
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
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Publication of EP3853670A1 publication Critical patent/EP3853670A1/de
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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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance
    • G04B17/345—Details of the spiral roll
    • 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
    • G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance

Definitions

  • the invention further relates to a clockwork movement comprising at least one such assembly.
  • the invention finally relates to a timepiece comprising such a movement.
  • the invention relates to an elastic holding member according to claim 1, for fixing a watch component to a support element, comprising an opening into which said support element is capable of being inserted, the holding member comprising rigid arms and elastic arms defined between connecting zones contributing to ensuring elastic clamping of the support element in the opening, the rigid arms being provided with only the contact zones of the holding member with the support element.
  • this elastic holding member is configured so that this storage of elastic energy remains within admissible stress values with regard to the material which constitutes such a holding member such as silicon.
  • the invention also relates to a clockwork movement comprising at least one such assembly.
  • the invention also relates to a timepiece comprising such a timepiece movement.
  • the elastic holding member 1 for fixing a watch component 2 to a support element 3.
  • the elastic holding member 1 may be a collet for fixing the watch component 2 such as a hairspring to a support element 3 such as a balance shaft.
  • the elastic holding member 1 can be made of such a so-called “fragile” material, the watch component 2 then being made of another material.
  • This assembly 120 may be part of an assembly 130 for the clock movement 110, by being fixed to the support element 3 for example by elastic clamping. It will be noted that this assembly 130 has been designed for applications in the watchmaking field. However, the invention can be perfectly implemented in other fields such as aeronautics, jewelry, or even automobiles.
  • Such a holding member 1 comprises an upper face and a lower face 12 preferably flat comprised respectively in first and second planes P1 and P2, as well as external and internal structures 4a, 4b.
  • These external and internal structures 4a, 4b respectively comprise external and internal peripheral walls of this holding member 1 and have different shapes. More precisely, with regard to the external structure 4a, it can have a generally hexagonal shape comprising parts having convex shapes. Each of these parts is comprised in a connecting zone 9 connecting an elastic arm to a rigid arm 6.
  • the elastic 7 and rigid 6 arms as each being an elongated part which connects parts of the holding member 1 together.
  • a rigid arm or an elastic arm extends longitudinally between two connecting areas 9.
  • This external structure 4a is in particular intended to be connected to the timepiece component 2 by means of at least one attachment point 11 arranged in the external peripheral wall of the holding member 1.
  • Concerning the internal structure 4b it has a non-triangular shape.
  • This internal structure 4b which comprises the internal peripheral wall of this holding member 1, participates in defining an opening 5 of such a holding member 1 in which the support element 3 is intended to be inserted.
  • This opening 5 defines a volume in the holding member 1 which is less than that of a connecting part of one end of the support element. 3 which is intended to be arranged there.
  • this connecting part comprises in whole or in part portions 10 defined on the peripheral wall 13 of the support element 3 and which are intended in particular to cooperate with contact zones 8 of the rigid arms 6.
  • the inner faces of the elastic arms 7 are essentially flat and the inner faces of the rigid arms 6 may be non-flat, for example by being wavy.
  • the inner face of each rigid arm 6 may comprise at least one contact zone 8.
  • the contact zone 8 may be rounded or convex or even flat.
  • such an inner face of the rigid arm 6 may comprise two contact zones 8, preferably flat.
  • These rigid and elastic arms 6, 7 connect the external and internal structures 4a, 4b together, each comprising a part of these external and internal structures 4a, 4b.
  • these rigid and elastic arms 6, 7 essentially make it possible to achieve elastic clamping of the support element 3 in the opening 5 formed in this holding member 1 which is defined by the internal structure 4b and in particular by the internal peripheral wall of this holding member 1.
  • these rigid arms 6 therefore comprise the only contact zones 8 of the holding member 1 with the support element 3 which can be defined in all or part of the inner faces of these rigid arms 6.
  • the holding member 1 then comprises three contact zones 8 which participate in achieving precise centering of the timepiece component 2, for example a hairspring, in the timepiece movement 110.
  • each rigid arm 6 has a volume of material which is substantially greater or strictly greater than the volume of material constituting each elastic arm 7. It is understood that the more material there is, the more rigid an arm is.
  • the elasticity or rigidity of an arm in this holding member 1 is defined relative to the contact zones 8 of this member 1, more precisely relative to the intensity of the deformation of these rigid or elastic arms when a force is applied to these contact zones 8.
  • the external and internal structures 4a, 4b, and in particular the internal and external peripheral walls are separated from each other in this holding member 1 by a variable gap E which then changes depending on whether these structures are included, for example, in a rigid arm 6 or a rigid arm 7.
  • this gap E is a maximum gap E1 when it is defined between parts of the inner and outer peripheral walls included in each rigid arm 6, i.e. the maximum gap E1 present between the inner and outer faces of this rigid arm 6.
  • this maximum gap E1 is defined between each contact zone 8 included in the inner face of the inner peripheral wall and a part of the outer peripheral wall of this rigid arm 6. Furthermore, this gap E is a minimum gap E2 when it is defined between parts of the outer and inner peripheral walls included in the elastic arms 7, i.e. the minimum gap E2 present between the inner and outer faces of this elastic arm 7.
  • Such a configuration of the rigid and elastic arms 6, 7 allows the holding member 1 to store a greater quantity of elastic energy for the same tightening compared with the holding members of the state of the art.
  • Such a quantity of elastic energy stored in the holding member 1 then makes it possible to obtain a greater holding torque of the holding member on the support element 3 in the assembly 130 of the assembly 120 holding member - timepiece component with this support element 3.
  • such a surplus of elastic energy stored in the holding member 1 therefore increases the holding torque and allows optimal elastic tightening.
  • such a configuration of the holding member 1 makes it possible to store elastic energy ratios that are 6 to 8 times greater than those of the holding members of the state of the art.
  • the invention also relates to a method for producing the assembly 130 of the assembly 120 of the elastic holding member - watch component with the support element 3.
  • This method comprises a step 13 of inserting the support element 3 into the opening 5 of the holding member 1.
  • the end of the support element is presented at the entrance of the opening 5 defined in the lower face 12 of the holding member 1 in anticipation of the introduction of the connecting part of this support element 3 into the volume defined in this opening 5.
  • This step 13 comprises a sub-step 14 of elastic deformation of the holding member 1 in particular of a central zone of this holding member 1 comprising said opening 5 resulting from the application of a contact force on the contact zones 8 of the rigid arms 6 by the portions 10 of the peripheral wall 13 of the connecting part of the element of support 3.
  • This elastic deformation of the central zone in fact causes a deformation of the lower face 12 of the holding member 1 which then has an essentially concave shape, in particular at the level of a part of this face 12 included in the central zone of the holding member maintenance 1.
  • the central zone of the maintenance member 1 when the central zone of the maintenance member 1 is deformed its lower face 12 is no longer flat and is then no longer entirely included in the second plane P2.
  • this elastic deformation of the holding member 1 results from the application of the contact force to the contact zones 8 of the rigid arms 6 by the portions 10 of the peripheral wall 13 of the support element 3.
  • Such a deformation sub-step 14 comprises a phase of displacement 15 of the rigid arms 6 under the action of the contact force applied to them.
  • Such a displacement of the rigid arms 6 is carried out in a direction between a radial direction B1 relative to a central axis C common to the support element 3 and to the holding member 1, and a direction B2 coinciding with this central axis C.
  • this direction B2 is perpendicular to the direction B1 and is oriented in a defined direction from the lower face 12 to the upper face.
  • the contact force is preferably perpendicular or substantially perpendicular to each contact zone 8.
  • each elastic arm 7 is driven at its two ends in the same direction of rotation B4 by the rigid arms 6 in movement to which such ends are connected. It will be noted that only a portion of the body of these elastic arms 7 is deformable in torsion here the ends of these arms 7.
  • Such a first deformation participates in particular in improving the insertion of the support element 3 in the opening 5 of the holding member 1 by participating in avoiding any breakage of the holding member 1 and/or any appearance of a crack in this organ 1 during its assembly with the support element 3.
  • each elastic arm 7 is pulled at its two ends in the longitudinal direction B3 in opposite directions by the rigid arms 6 in movement to which such ends are connected.
  • Such a second deformation contributes in particular to the holding member 1 storing a significant quantity of elastic energy.
  • This double elastic deformation of the elastic arms 7 can be carried out simultaneously or substantially simultaneously, or even successively or substantially successively. It will be noted in the context of the implementation of the deformation phase that when this double elastic deformation is carried out successively or substantially successively, the first deformation is then carried out before the second deformation.
  • This method then comprises a step 16 of fixing the holding member 1 on the support element 3.
  • a fixing step 16 comprises a sub-step 17 of performing a radial elastic clamping of the holding member 1 on the support element 3. It is therefore understood that in such a state of stress, the holding member 1 stores a significant quantity of elastic energy which contributes to giving it a substantial holding torque, in particular allowing optimal turning by elastic clamping.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Springs (AREA)
  • Adornments (AREA)
  • Micromachines (AREA)

Claims (17)

  1. Elastisches Halteorgan (1) zur Befestigung einer Uhrmachereikomponente (2) an einem Trägerelement (3), umfassend eine Öffnung (5), in die das Trägerelement (3) eingeführt werden kann, wobei das Halteorgan (1) starre Arme (6) und elastische Arme (7) umfasst, die zwischen Verbindungsbereichen (9) definiert sind, die dazu beitragen, ein elastisches Festklemmen des Trägerelements (3) in der Öffnung (5) zu gewährleisten, ein solches Halteorgan (1) eine äußere Struktur (4a) umfasst, die mit der Uhrmachereikomponente (2) verbunden werden kann, und eine innere Struktur (4b), die eine Öffnung (5) definiert, die starren Arme (6) und die elastischen Arme (7) die äußere und die innere Struktur (4a, 4b) miteinander verbinden und die äußere Struktur (4a) eine im Allgemeinen hexagonale Form aufweist, die Teile umfasst, die konvexe Formen aufweisen, diese starren Arme (6) mit den einzigen Kontaktzonen (8) des Halteorgans (1) mit dem Stützelement (3) versehen sind, und dadurch, dass sich die starren (6) oder elastischen (7) Arme jeweils in Längsrichtung zwischen Verbindungsbereichen (9) erstrecken, wobei diese starren Arme (6) und diese elastischen Arme (7) in dem Halteorgan (1) aufeinanderfolgend und abwechselnd angeordnet sind und jeder starre Arm (6) ein Werkstoffvolumen aufweist, das größer ist als das Werkstoffvolumen, aus dem jeder elastische Arm (7) besteht, wobei jeder elastische Arm (7) in der Lage ist, sich zu verformen gemäß:
    - einer ersten elastischen Torsionsverformung, und
    - einer zweiten elastischen Verformung durch Zug oder Dehnung,
    - in diesem Halteorgan (1), wenn das Stützelement (3) in die Öffnung (5) eingeführt ist, dieses Stützelement (3) eine Kontaktkraft auf die Kontaktbereiche (8) der starren Arme (6) ausübt, sodass die starren Arme (6) verschoben werden, und die Verschiebung dieser starren Arme (6) die doppelte elastische Verformung der elastischen Arme (7) bewirkt.
  2. Elastisches Halteorgan (1) nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass jeder elastische Arm (7) einen Querschnitt aufweist, der kleiner ist als ein Querschnitt jedes starren Arms (6).
  3. Elastisches Halteorgan (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass jeder elastische Arm (7) einen Querschnitt aufweist, der im gesamten Körper dieses elastischen Arms (7) konstant ist.
  4. Elastisches Halteorgan (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die äußeren und inneren Strukturen (4a, 4b) jeweils äußere und innere Umfangswände des Halteorgans (1) umfassen.
  5. Elastisches Halteorgan (1) nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass die äußere und innere Umfangswand in einem variablen Abstand (E) voneinander getrennt sind.
  6. Elastisches Halteorgan (1) nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass der Abstand (E) ein maximaler Abstand (E1) ist, wenn er zwischen Teilen äußerer und innerer Umfangswände definiert ist, die in den starren Armen (6) umfasst sind.
  7. Elastisches Halteorgan (1) nach einem der Ansprüche 5 und 6, dadurch gekennzeichnet, dass der Abstand (E) ein maximaler Abstand (E1) ist, wenn er zwischen Teilen der äußeren Umfangswand und den in der inneren Umfangswand definierten Kontaktbereichen (8), die in den starren Armen (6) umfasst sind, definiert wird.
  8. Elastisches Halteorgan (1) nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass der Abstand (E) ein minimaler Abstand (E2) ist, wenn er zwischen Teilen der äußeren und inneren Umfangswände definiert ist, die in den elastischen Armen (7) umfasst sind.
  9. Elastisches Halteorgan (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die äußere und die innere Struktur (4a, 4b) unterschiedliche Formen aufweisen.
  10. Elastisches Halteorgan (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass es eine Spiralrolle zum Befestigen der Uhrmachereikomponente (2), wie einer Spirale an einem Trägerelement (3), wie einer Unruhwelle ist.
  11. Elastisches Halteorgan (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass es aus einem Werkstoff auf Siliziumbasis hergestellt ist.
  12. Einheit (120) aus elastischem Halteorgan - Uhrmachereikomponente für ein Uhrwerk (110) eines Uhrmachereistücks (100), umfassend ein Halteorgan (1) nach einem der vorstehenden Ansprüche.
  13. Einheit (120) nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass sie aus einem Stück besteht.
  14. Zusammenstellung (130) für ein Uhrwerk (110) eines Uhrmachereistücks (100), umfassend eine Einheit (120) aus elastischem Halteorgan - Uhrmachereikomponente nach einem der Ansprüche 12 und 13, wobei die Einheit (120) an einem Trägerelement (3) befestigt ist.
  15. Verfahren zur Herstellung einer Zusammenstellung (130) einer Einheit (120) aus elastischem Halteorgan - Uhrmachereikomponente mit einem Trägerelement (3) nach dem vorstehenden Anspruch, umfassend:
    - einen Schritt des Einführens (13) des Trägerelements (3) in die Öffnung (5) des elastischen Halteorgans (1) der Einheit, wobei der Schritt (13) einen Teilschritt des elastischen Verformens (14) des elastischen Halteorgans (1) umfasst, der mit einer Verschiebephase (15) der starren Arme (6) des elastischen Halteorgans versehen ist, die eine doppelte elastische Verformung der elastischen Arme (7) dieses elastischen Halteorgans (1) induziert, und
    - einen Schritt des Befestigens (16) des Halteorgans (1) an dem Trägerelement (3), der einen Teilschritt des Aufbringens (17) durch die starren Arme (6) des elastischen Halteorgans (1) eines Haltemoments auf das Trägerelement (3) umfasst.
  16. Uhrwerk (110), das mindestens eine Zusammenstellung (130) nach Anspruch 14 umfasst.
  17. Uhrmachereistück (100), das ein Uhrwerk (110) nach dem vorstehenden Anspruch umfasst.
EP19756417.2A 2018-09-21 2019-08-28 Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement Active EP3853670B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18196016.2A EP3627236A1 (de) 2018-09-21 2018-09-21 Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement
PCT/EP2019/072968 WO2020057919A1 (fr) 2018-09-21 2019-08-28 Organe de maintien elastique pour la fixation d'un composant d'horlogerie sur un element de support

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EP3853670A1 EP3853670A1 (de) 2021-07-28
EP3853670B1 true EP3853670B1 (de) 2024-12-18

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EP18196016.2A Withdrawn EP3627236A1 (de) 2018-09-21 2018-09-21 Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement
EP19756417.2A Active EP3853670B1 (de) 2018-09-21 2019-08-28 Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement

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EP18196016.2A Withdrawn EP3627236A1 (de) 2018-09-21 2018-09-21 Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement

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US (1) US12326694B2 (de)
EP (2) EP3627236A1 (de)
JP (1) JP7353370B2 (de)
KR (1) KR102629671B1 (de)
CN (1) CN112740116B (de)
WO (1) WO2020057919A1 (de)

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Publication number Priority date Publication date Assignee Title
EP4375762A1 (de) 2022-11-25 2024-05-29 Nivarox-FAR S.A. Einteiliges befestigungselement für eine uhrkomponente auf einem trägerelement

Citations (1)

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WO2011026725A1 (fr) * 2009-09-07 2011-03-10 Manufacture Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle S.A. Ressort spiral

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ATE421720T1 (de) 2004-04-06 2009-02-15 Nivarox Sa Spiralrolle ohne deformation des fixierungsradius der spiralfeder und herstellungsverfahren derartige spiralrolle
CH698794B1 (fr) * 2006-02-24 2009-10-30 Patek Philippe Sa Organe de maintien élastique pour l'horlogerie.
EP1857891A1 (de) 2006-05-17 2007-11-21 Patek Philippe Sa Spiralfeder-Spiralrollegesamtheit für ein Uhrwerk
EP2219083B1 (de) * 2009-02-13 2011-11-23 Patek Philippe SA Genève Uhrwerksbestandteil
EP3623876B1 (de) * 2010-03-25 2024-11-13 Rolex Sa Spiralrolle mit nicht kreisförmiger öffnung
CH702931A2 (fr) * 2010-04-01 2011-10-14 Patek Philippe Sa Geneve Ancre d'échappement montée élastiquement.
US9411314B2 (en) * 2011-09-29 2016-08-09 Rolex Sa Integral assembly of a hairspring and a collet
JP6118037B2 (ja) * 2012-05-08 2017-04-19 セイコーインスツル株式会社 ひげ玉、てんぷおよび時計
CH707288B1 (fr) * 2012-11-22 2017-07-31 Mft Et Fabrique De Montres Et De Chronomètres Ulysse Nardin Le Locle S A Dispositif de maintien élastique de deux pièces.
EP2889701B1 (de) * 2013-12-23 2017-07-19 ETA SA Manufacture Horlogère Suisse Synchronisierungsmechanismus für Uhrwerk
EP3106931A1 (de) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Werkstück mit entkoppelter schweissoberfläche
EP3433680B1 (de) * 2016-03-23 2020-04-29 Patek Philippe SA Genève Unruh-spiralfeder-oszillator für eine uhr
EP3309625B1 (de) * 2016-10-13 2020-07-29 Nivarox-FAR S.A. Spirale zur befestigung mit einer federscheibe
JP6772790B2 (ja) * 2016-11-29 2020-10-21 セイコーエプソン株式会社 時計部品の製造方法、及び時計の製造方法

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Publication number Priority date Publication date Assignee Title
WO2011026725A1 (fr) * 2009-09-07 2011-03-10 Manufacture Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle S.A. Ressort spiral

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Publication number Publication date
KR20210045472A (ko) 2021-04-26
EP3627236A1 (de) 2020-03-25
US12326694B2 (en) 2025-06-10
JP2022501620A (ja) 2022-01-06
US20220075318A1 (en) 2022-03-10
JP7353370B2 (ja) 2023-09-29
WO2020057919A1 (fr) 2020-03-26
CN112740116B (zh) 2023-04-18
EP3853670A1 (de) 2021-07-28
CN112740116A (zh) 2021-04-30
KR102629671B1 (ko) 2024-01-25

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