EP3832396A1 - Device for attaching a timepiece display or trim element - Google Patents

Device for attaching a timepiece display or trim element Download PDF

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Publication number
EP3832396A1
EP3832396A1 EP19213223.1A EP19213223A EP3832396A1 EP 3832396 A1 EP3832396 A1 EP 3832396A1 EP 19213223 A EP19213223 A EP 19213223A EP 3832396 A1 EP3832396 A1 EP 3832396A1
Authority
EP
European Patent Office
Prior art keywords
lip
fixing device
display
fixing
key
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.)
Granted
Application number
EP19213223.1A
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German (de)
French (fr)
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EP3832396B1 (en
Inventor
Laurent Kaelin
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.)
ETA SA Manufacture Horlogere Suisse
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ETA SA Manufacture Horlogere Suisse
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
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Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP19213223.1A priority Critical patent/EP3832396B1/en
Priority to US17/090,289 priority patent/US11829109B2/en
Priority to JP2020184830A priority patent/JP7063972B2/en
Priority to CN202011393109.8A priority patent/CN112904693B/en
Publication of EP3832396A1 publication Critical patent/EP3832396A1/en
Application granted granted Critical
Publication of EP3832396B1 publication Critical patent/EP3832396B1/en
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Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/14—Fastening the dials to the clock or watch plates

Definitions

  • the invention relates to a device for fixing a display or covering element on a timepiece structure, comprising at least one retaining key comprising a tenon arranged to be driven out or screwed or riveted or soldered or welded in a housing that said structure comprises or that comprises an element attached to said structure, said at least one retaining key comprising a head with at least one truncated collar substantially of revolution with respect to the axis of said tenon, the direction of said axis defining the direction introduction of a said display or trim element relative to said structure, said truncated flange extending over an angular sector strictly less than 360 ° and comprising at least a first lip delimited by a first upper surface and a first lower surface and which is arranged to cooperate in locking support with a surface or a bearing that comprises a fastening element integral with a said element t display or trim, and which first lip is still delimited at its ends by ridges.
  • the invention relates to the field of fixing display or trim elements in a timepiece, in particular a watch. It relates in particular to the fixing of the dials.
  • dial keys comprising a skewed and vertically truncated flange are used, of which the The ridge allows good penetration into the cylindrical part of the dial pie, thus allowing it to be immobilized.
  • the rotation of such a dial key generally generates, during its rotation to fix the dial, a burr coming from the concerned dial base and which can be easily detached.
  • the invention relates to a fixing device comprising a new retaining key, which is obliquely truncated and bevelled at the point of the dial base, from which the material of the dial base can then be pushed back and not cut, the bead thus created remaining attached to the component.
  • the invention relates to a fixing device according to claim
  • the invention also relates to a timepiece, in particular a watch, comprising at least one such fixing device.
  • the invention relates to a device 10 for fixing a display or cover element 20 to a timepiece structure 100.
  • This fixing device 10 comprises at least one retaining key 1, which comprises a tenon 2, which is arranged to be driven out or screwed or riveted or brazed or welded in a housing 8 that comprises the structure 100 or that includes an element attached to the structure 100, or on the structure 100 or such an insert.
  • This retaining key 1 comprises a head 9, with at least one truncated flange 3 which is substantially of revolution relative to the axis D of the tenon 2. The direction of this axis D defines the direction of introduction of an element d. display or trim 20 relative to the structure 100.
  • the truncated flange 3 extends over an angular sector strictly less than 360 °, and comprises at least a first lip 31, which is delimited by a first upper surface 38 and a first lower surface 39, and which is arranged to cooperate in support. blocking with a surface 42 or a bearing 41, cylindrical or otherwise, which comprises a fastening element 4 integral with a display or trim element 20.
  • the first lower surface 39 is flat.
  • the first lower surface 39 is helical, with a very small pitch, of the order of a few hundredths of a millimeter, or even of a tenth of a millimeter.
  • This variant is suitable for good retention on a flat surface 42 of the fixing element 4, such as a groove face or even a front surface of a dial, or the like.
  • This first lip 31 is delimited at its ends 311, 312 by ridges 51, 52.
  • this retaining key 1 comprises, contiguous to each edge 51, 52, and recessed radially with respect to the first periphery 30 of the first lip 31, a second lip 6.
  • This second lip 5 comprises a second lower surface 69, which is common with the first lower surface 39, and a second upper surface 68 which is, at the level of each edge 51, 52, undercut with respect to the first upper surface 38 of the first lip 31.
  • edges 51, 52 are finely bevelled edges, and in particular radiated, with a radius of between 10 micrometers and 30 micrometers.
  • the first lip 31 is more elastic than the fixing element 4 with which it is arranged to cooperate, and this first lip 31 is arranged to push back the material of the fixing element 4 during a relative rotation of the retaining key 1 with respect to this fixing element 4.
  • the first lip 31 has a hardness greater than or equal to 550 HV; more particularly, this retaining key 1 is made of steel.
  • the retaining key 1 comprises several truncated flanges 3, which are superimposed in the direction of the axis D, and capable of exerting different supports on the same fixing element 4.
  • These superimposed lips allow different supports, ie several supports on a cylindrical bearing surface of a dial base for example, either for both a support by a flat surface of one of the lips against an upper surface of a dial for example, combined with a support of another lip on a cylindrical bearing of a dial foot. Note that, in the preferred case of application to the fixing of a dial base, it is imperative to press the dial base opposite the lip, to avoid plastic deformation of the dial base in flexion.
  • several of the truncated flanges 3 comprise first lips 31, 131, the edges of which 51, 52, 151, 152, respectively, are angularly offset with respect to each other.
  • Such angularly offset attack points then allow progressive tightening of the fixing element 4; this arrangement also makes it possible to guarantee good hold during successive dismantling, which watchmakers practice by always attacking another level of the dial base.
  • the first upper surface 38 is conical with a first half-angle at the apex a, with respect to the axis D, which is between 110 ° and 130 °.
  • the more acute the angle of each lip the easier the penetration into the fixing element, in particular a dial base or the like, is to the detriment of the resistance of the lip, otherwise the penetration would require too much time. torque and would tend to bend this fastening element, in particular a dial base.
  • the second upper surface 68 forms, with the axis D, a second angle ⁇ , which is between 40 ° and 50 °.
  • the dihedron tangent to the first upper surface 38 and to the second upper surface 68 has a third angle between 145 ° and 165 °.
  • the holding key 1 is designed to be used in both directions of rotation.
  • the retaining key 1 is designed to be used in a single direction of rotation, and comprises a first lip 31 in a helix of less than one turn, in particular and without limitation extending over an angle less than 240 ° and with a pitch less than 300 micrometers.
  • this variant has the advantage of pulling the dial against its support through the dial feet, by managing the torque transmitted to the keys to prevent tearing; naturally, to allow the engagement of the dial base without contact, a zone without thread is needed, which explains the angle less than one revolution.
  • the first lower surface 39 is planar.
  • the second upper surface 68 is planar.
  • the second upper surface 68 is concave. It will in fact be understood that the important thing is that this truncated surface 6 escapes cooperation with the foot, it can be arbitrary provided that the interface zones at the level of the edges 51 and 52 ensure the function of pushing the material back to the bottom. fixing element level 4.
  • the first periphery 30 of the first lip 31 is a morfil of thickness less than or equal to 35 micrometers.
  • the second lip 6 comprises a second periphery 60 which is a morfil of thickness less than or equal to 35 micrometers.
  • the display or trim element 20 is a dial
  • the holding key 1 is a dial key
  • the fixing element 4 is a dial base or part of the dial.
  • the invention also relates to a timepiece 1000, in particular a watch, comprising a structure 100 comprising at least one housing 8 for receiving a tenon, at least one display or covering element 20 comprising at least one element. fixing 4, and at least one such fixing device 10, for fixing a display or trim element 20 on the structure 100 or on an element attached to the structure 100.
  • At least one display or trim element 20 has a side visible to the user, and each retaining key 1 is insertable on the structure 100 or on an element attached to the structure 100 and accessible from the side. visible, and comprises a drive surface 91 for inserting a tool capable of rotating the holding key around the axis D.
  • At least one display or trim element 20 and a holding key 1 arranged for locking this display or trim element 20 are fixed to separate elements, each attached to the structure 100.
  • At least one fixing element 4 of a display or trim element 20 comprises a groove 40, which is arranged to cooperate with the first lip 31 of a retaining key 1 arranged for the locking of this. display or cover element 20.
  • At least one retaining key 1 is partially hidden, from the visible side, by the display or trim element 20 which is blocked by the retaining key 1.
  • Such a holding key 1 can be used for several assemblies, dismantles of the dial or the like.
  • the first lip 31 penetrates a cylindrical bearing surface of the dial base, is rigid, and must not be deformed, its base material is a in particular a steel, with in particular and without limitation a hardness of 550 to 670 HV.
  • the first lip 31 can bear on one of the faces of this groove 40. In the others In this case, it is necessary for the first lip 31 to deform the dial base, because without deformation of the latter, the hold is not guaranteed.
  • the invention makes it possible to avoid the generation of detachable burrs, and to ensure the maintenance of the cleanliness of the clockwork movement when fixing the display or trim elements.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Plates (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Abstract

Dispositif de fixation (10) d'un élément d'affichage ou d'habillage (20) sur une structure (100) d'horlogerie, comportant une clef de maintien (1) comportant un tenon (2) fixé à ladite structure (100) et une tête (9) avec une collerette tronquée (3) comportant une première lèvre (31) coopérant en appui de blocage avec une portée (41) d'un élément de fixation (4) solidaire de cet élément d'affichage (20), laquelle première lèvre (31) est délimitée par des arêtes (51, 52) non coplanaires, cette clef de maintien (1) comporte, jointive à chaque arête (51, 52) et en retrait radialement par rapport à la périphérie (30) de la première lèvre (31), une deuxième lèvre (6) comportant une surface supérieure (68) qui est, au niveau de chaque dite arête (51, 52), en dépouille par rapport à la surface supérieure (38) de la première lèvre (31).Device for fixing (10) a display or covering element (20) on a timepiece structure (100), comprising a retaining key (1) comprising a tenon (2) fixed to said structure (100). ) and a head (9) with a truncated flange (3) comprising a first lip (31) cooperating in locking support with a bearing surface (41) of a fixing element (4) integral with this display element (20 ), which first lip (31) is delimited by edges (51, 52) which are not coplanar, this retaining key (1) comprises, contiguous to each edge (51, 52) and recessed radially with respect to the periphery (30 ) of the first lip (31), a second lip (6) comprising an upper surface (68) which is, at the level of each said edge (51, 52), in relief with respect to the upper surface (38) of the first lip (31).

Description

Domaine de l'inventionField of the invention

L'invention concerne un dispositif de fixation d'un élément d'affichage ou d'habillage sur une structure d'horlogerie, comportant au moins une clef de maintien comportant un tenon agencé pour être chassé ou vissé ou riveté ou brasé ou soudé dans un logement que comporte ladite structure ou que comporte un élément rapporté sur ladite structure, ladite au moins une clef de maintien comportant une tête avec au moins une collerette tronquée sensiblement de révolution par rapport à l'axe dudit tenon, la direction dudit axe définissant la direction d'introduction d'un dit élément d'affichage ou d'habillage par rapport à ladite structure, ladite collerette tronquée s'étendant sur un secteur angulaire strictement inférieur à 360° et comportant au moins une première lèvre délimitée par une première surface supérieure et une première surface inférieure et qui est agencée pour coopérer en appui de blocage avec une surface ou une portée que comporte un élément de fixation solidaire d'un dit élément d'affichage ou d'habillage, et laquelle première lèvre est encore délimitée à ses extrémités par des arêtes.The invention relates to a device for fixing a display or covering element on a timepiece structure, comprising at least one retaining key comprising a tenon arranged to be driven out or screwed or riveted or soldered or welded in a housing that said structure comprises or that comprises an element attached to said structure, said at least one retaining key comprising a head with at least one truncated collar substantially of revolution with respect to the axis of said tenon, the direction of said axis defining the direction introduction of a said display or trim element relative to said structure, said truncated flange extending over an angular sector strictly less than 360 ° and comprising at least a first lip delimited by a first upper surface and a first lower surface and which is arranged to cooperate in locking support with a surface or a bearing that comprises a fastening element integral with a said element t display or trim, and which first lip is still delimited at its ends by ridges.

L'invention concerne le domaine de la fixation d'éléments d'affichage ou d'habillage dans une pièce d'horlogerie, notamment une montre. Elle concerne en particulier la fixation des cadrans.The invention relates to the field of fixing display or trim elements in a timepiece, in particular a watch. It relates in particular to the fixing of the dials.

Arrière-plan de l'inventionBackground of the invention

Pour la fixation d'un élément d'affichage ou d'habillage d'horlogerie comme un cadran comportant des pieds de cadran, on utilise, pour maintenir ces pieds par déformation, des clefs de cadran comportant une collerette biaise et tronquée verticalement, dont l'arête autorise une bonne pénétration dans la partie cylindrique du pie de cadran, permettant ainsi son immobilisation. Toutefois la rotation d'une telle clef de cadran génère généralement, lors de sa rotation pour fixer le cadran, une bavure issue du pied de cadran concerné et qui peut se détacher facilement.For fixing a display element or watchmaking cladding such as a dial comprising dial feet, to hold these feet by deformation, dial keys comprising a skewed and vertically truncated flange are used, of which the The ridge allows good penetration into the cylindrical part of the dial pie, thus allowing it to be immobilized. However, the rotation of such a dial key generally generates, during its rotation to fix the dial, a burr coming from the concerned dial base and which can be easily detached.

Résumé de l'inventionSummary of the invention

Pour éviter la génération d'une telle bavure, risquant de tomber dans le mouvement et le polluer, l'invention concerne un dispositif de fixation comportant une nouvelle clef de maintien, qui est tronquée obliquement et anglée au point d'attaque du pied de cadran, dont la matière du pied de cadran peut alors être repoussée et non pas coupée, le bourrelet ainsi créé restant attenant au composant.To avoid the generation of such a burr, risking falling in the movement and polluting it, the invention relates to a fixing device comprising a new retaining key, which is obliquely truncated and bevelled at the point of the dial base, from which the material of the dial base can then be pushed back and not cut, the bead thus created remaining attached to the component.

A cet effet, l'invention concerne un dispositif de fixation selon la revendicationTo this end, the invention relates to a fixing device according to claim

L'invention concerne encore une pièce d'horlogerie, notamment une montre, comportant au moins un tel dispositif de fixation.The invention also relates to a timepiece, in particular a watch, comprising at least one such fixing device.

Description sommaire des dessinsBrief description of the drawings

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

  • la figure 1 représente, de façon schématisée, et en perspective, une clef de maintien que comporte un dispositif de fixation selon l'invention; cette clef de maintien comporte une collerette tronquée avec une première lèvre conique, et une deuxième lèvre oblique ;
  • la figure 2 représente, de façon schématisée, et en vue de dessus, la clef de maintien de la figure 1 ;
  • les figures 3 et 4 représentent, de façon schématisée, et en vue de côté selon deux directions perpendiculaires, la clef de maintien de la figure 1 ;
  • la figure 5 représente, de façon schématisée, et en coupe selon la ligne AA de la figure 2,un détail de la clef de maintien de la figure 1 ;
  • la figure 6 représente, de façon schématisée, et en perspective, une variante de clef de maintien comportant deux collerettes superposées ;
  • la figure 7 représente, de façon schématisée, et en perspective, une autre variante de clef de maintien comportant deux collerettes superposées et décalées angulairement ;
  • les figures 8 et 9 représentent, de façon schématisée, et en vue de dessus, d'autres variantes de clefs de maintien selon l'invention ;
  • la figure 10 représente, de façon schématisée, et en coupe, la clef de maintien de la figure 1 coopérant avec un pied de cadran en repoussant localement sa matière, pour la fixation d'un cadran sur une structure ;
  • la figure 11 représente, de façon schématisée, et en coupe, la clef de maintien de la figure 1 coopérant avec un pied de cadran en appui sur une gorge que comporte ce dernier, pour la fixation d'un cadran sur une structure ;
  • la figure 12 représente, de façon schématisée, et en vue de face, une pièce d'horlogerie, ici une montre, comportant une structure porteuse d'un cadran, assemblé par un dispositif de fixation selon l'invention, comportant trois clefs de maintien selon la figure 1.
Other characteristics and advantages of the invention will become apparent on reading the detailed description which follows, with reference to the appended drawings, where:
  • the figure 1 represents, schematically, and in perspective, a holding key that comprises a fixing device according to the invention; this retaining key comprises a truncated collar with a first conical lip, and a second oblique lip;
  • the figure 2 represents, schematically, and in top view, the key for maintaining the figure 1 ;
  • the figures 3 and 4 represent, schematically, and in side view in two perpendicular directions, the key for maintaining the figure 1 ;
  • the figure 5 represents, schematically, and in section along line AA of the figure 2 , a detail of the key for maintaining the figure 1 ;
  • the figure 6 represents, schematically, and in perspective, a variant of the holding key comprising two superimposed flanges;
  • the figure 7 represents, schematically, and in perspective, another variant of a retaining key comprising two superimposed and angularly offset flanges;
  • the figures 8 and 9 represent, schematically, and in top view, other variants of holding keys according to the invention;
  • the figure 10 represents, schematically, and in section, the key to maintaining the figure 1 cooperating with a dial base by locally pushing back its material, for fixing a dial to a structure;
  • the figure 11 represents, schematically, and in section, the key to maintaining the figure 1 cooperating with a dial base resting on a groove that the latter comprises, for fixing a dial on a structure;
  • the figure 12 represents, schematically, and in front view, a timepiece, here a watch, comprising a supporting structure of a dial, assembled by a fixing device according to the invention, comprising three holding keys according to figure 1 .

Description détaillée des modes de réalisation préférésDetailed description of the preferred embodiments

L'invention concerne un dispositif de fixation 10 d'un élément d'affichage ou d'habillage 20 sur une structure 100 d'horlogerie.The invention relates to a device 10 for fixing a display or cover element 20 to a timepiece structure 100.

Ce dispositif de fixation 10 comporte au moins une clef de maintien 1, laquelle comporte un tenon 2, qui est agencé pour être chassé ou vissé ou riveté ou brasé ou soudé dans un logement 8 que comporte la structure 100 ou que comporte un élément rapporté sur la structure 100, ou sur la structure 100 ou un tel élément rapporté. Cette clef de maintien 1 comporte une tête 9, avec au moins une collerette tronquée 3 qui est sensiblement de révolution par rapport à l'axe D du tenon 2. La direction de cet axe D définit la direction d'introduction d'un élément d'affichage ou d'habillage 20 par rapport à la structure 100.This fixing device 10 comprises at least one retaining key 1, which comprises a tenon 2, which is arranged to be driven out or screwed or riveted or brazed or welded in a housing 8 that comprises the structure 100 or that includes an element attached to the structure 100, or on the structure 100 or such an insert. This retaining key 1 comprises a head 9, with at least one truncated flange 3 which is substantially of revolution relative to the axis D of the tenon 2. The direction of this axis D defines the direction of introduction of an element d. display or trim 20 relative to the structure 100.

La collerette tronquée 3 s'étend sur un secteur angulaire strictement inférieur à 360°, et comporte au moins une première lèvre 31, qui est délimitée par une première surface supérieure 38 et une première surface inférieure 39, et qui est agencée pour coopérer en appui de blocage avec une surface 42 ou une portée 41, cylindrique ou autre, que comporte un élément de fixation 4 solidaire d'un élément d'affichage ou d'habillage 20.The truncated flange 3 extends over an angular sector strictly less than 360 °, and comprises at least a first lip 31, which is delimited by a first upper surface 38 and a first lower surface 39, and which is arranged to cooperate in support. blocking with a surface 42 or a bearing 41, cylindrical or otherwise, which comprises a fastening element 4 integral with a display or trim element 20.

Dans une première variante d'exécution particulière, la première surface inférieure 39 est plane.In a first particular variant embodiment, the first lower surface 39 is flat.

Dans une autre variante d'exécution particulière, la première surface inférieure 39 est en hélice, avec un très faible pas, de l'ordre de quelques centièmes de millimètre, voire du dixième de millimètre. Cette variante est adaptée au bon maintien sur une surface plane 42 de l'élément de fixation 4, comme une face de gorge ou encore une surface frontale d'un cadran, ou similaire.In another particular variant embodiment, the first lower surface 39 is helical, with a very small pitch, of the order of a few hundredths of a millimeter, or even of a tenth of a millimeter. This variant is suitable for good retention on a flat surface 42 of the fixing element 4, such as a groove face or even a front surface of a dial, or the like.

Cette première lèvre 31 est délimitée à ses extrémités 311, 312 par des arêtes 51, 52.This first lip 31 is delimited at its ends 311, 312 by ridges 51, 52.

Selon l'invention, et tel que visible sur les figures 1 à 5, ces arêtes 51 et 52 ne sont pas coplanaires, et cette clef de maintien 1 comporte, jointive à chaque arête 51, 52, et en retrait radialement par rapport à la première périphérie 30 de la première lèvre 31, une deuxième lèvre 6. Cette deuxième lèvre 5 comporte une deuxième surface inférieure 69, qui est commune avec la première surface inférieure 39, et une deuxième surface supérieure 68 qui est, au niveau de chaque arête 51, 52, en dépouille par rapport à la première surface supérieure 38 de la première lèvre 31.According to the invention, and as visible on the figures 1 to 5 , these edges 51 and 52 are not coplanar, and this retaining key 1 comprises, contiguous to each edge 51, 52, and recessed radially with respect to the first periphery 30 of the first lip 31, a second lip 6. This second lip 5 comprises a second lower surface 69, which is common with the first lower surface 39, and a second upper surface 68 which is, at the level of each edge 51, 52, undercut with respect to the first upper surface 38 of the first lip 31.

Plus particulièrement, les arêtes 51, 52 sont des arêtes finement anglées, et notamment rayonnées, avec un rayon compris entre 10 micromètres et 30 micromètres.More particularly, the edges 51, 52 are finely bevelled edges, and in particular radiated, with a radius of between 10 micrometers and 30 micrometers.

Plus particulièrement, la première lèvre 31 est plus élastique que l'élément de fixation 4 avec lequel elle est agencée pour coopérer, et cette première lèvre 31 est agencée pour repousser la matière de l'élément de fixation 4 lors d'une rotation relative de la clef de maintien 1 par rapport à cet élément de fixation 4. De préférence la première lèvre 31 a une dureté supérieure ou égale à 550 HV ; plus particulièrement cette clef de maintien 1 est réalisée en acier.More particularly, the first lip 31 is more elastic than the fixing element 4 with which it is arranged to cooperate, and this first lip 31 is arranged to push back the material of the fixing element 4 during a relative rotation of the retaining key 1 with respect to this fixing element 4. Preferably the first lip 31 has a hardness greater than or equal to 550 HV; more particularly, this retaining key 1 is made of steel.

Dans une variante particulière, et tel que visible sur la figure 6, la clef de maintien 1 comporte plusieurs collerettes tronquées 3, qui sont superposées selon la direction de l'axe D, et aptes à exercer des appuis différents sur un même élément de fixation 4. Ces lèvres superposées permettent des appuis différents, soit plusieurs appuis sur une portée cylindrique d'un pied de cadran par exemple, soit pour à la fois un appui par une surface plane de l'une des lèvres contre une surface supérieure d'un cadran par exemple, conjugué avec un appui d'une autre lèvre sur une portée cylindrique d'un pied de cadran. Notons que, dans le cas préféré d'application à la fixation d'un pied de cadran, il faut impérativement appuyer le pied de cadran en face de la lèvre, pour éviter une déformation plastique du pied de cadran en flexion.In a particular variant, and as visible on the figure 6 , the retaining key 1 comprises several truncated flanges 3, which are superimposed in the direction of the axis D, and capable of exerting different supports on the same fixing element 4. These superimposed lips allow different supports, ie several supports on a cylindrical bearing surface of a dial base for example, either for both a support by a flat surface of one of the lips against an upper surface of a dial for example, combined with a support of another lip on a cylindrical bearing of a dial foot. Note that, in the preferred case of application to the fixing of a dial base, it is imperative to press the dial base opposite the lip, to avoid plastic deformation of the dial base in flexion.

Dans une autre variante particulière, et tel que visible sur la figure 7, plusieurs des collerettes tronquées 3 comportent des premières lèvres 31, 131, dont les arêtes 51, 52, respectivement 151, 152, sont décalées angulairement les unes par rapport aux autres. De tels points d'attaque décalés angulairement permettent alors un serrage progressif de l'élément de fixation 4 ; cette disposition permet aussi de garantir une bonne tenue lors des démontages successifs, ce que les horlogers pratiquent en attaquant toujours un autre niveau du pied de cadran.In another particular variant, and as seen on the figure 7 , several of the truncated flanges 3 comprise first lips 31, 131, the edges of which 51, 52, 151, 152, respectively, are angularly offset with respect to each other. Such angularly offset attack points then allow progressive tightening of the fixing element 4; this arrangement also makes it possible to guarantee good hold during successive dismantling, which watchmakers practice by always attacking another level of the dial base.

Plus particulièrement, la première surface supérieure 38 est conique avec un premier demi-angle au sommet a, par rapport à l'axe D, qui est compris entre 110° et 130°. Plus l'angle de chaque lèvre est aigu, plus la pénétration dans l'élément de fixation, notamment un pied de cadran ou similaire, est aisée au détriment de la résistance de la lèvre, dans le cas contraire la pénétration demanderait trop de couple et aurait tendance à plier cet élément de fixation, notamment un pied de cadran.More particularly, the first upper surface 38 is conical with a first half-angle at the apex a, with respect to the axis D, which is between 110 ° and 130 °. The more acute the angle of each lip, the easier the penetration into the fixing element, in particular a dial base or the like, is to the detriment of the resistance of the lip, otherwise the penetration would require too much time. torque and would tend to bend this fastening element, in particular a dial base.

Plus particulièrement, en coupe dans chaque plan radial passent par l'axe D, la deuxième surface supérieure 68 forme, avec l'axe D, un deuxième angle β, qui est compris entre 40° et 50°.More particularly, in section in each radial plane passing through the axis D, the second upper surface 68 forms, with the axis D, a second angle β, which is between 40 ° and 50 °.

Plus particulièrement, dans un plan P perpendiculaire à l'axe D, et au niveau d'une arête 51, 52, le dièdre tangent à la première surface supérieure 38 et à la deuxième surface supérieure 68 a un troisième angle compris entre 145° et 165°.More particularly, in a plane P perpendicular to the axis D, and at the level of an edge 51, 52, the dihedron tangent to the first upper surface 38 and to the second upper surface 68 has a third angle between 145 ° and 165 °.

Dans le cas général, la clef de maintien 1 est agencée pour être utilisée dans les deux sens de rotation.In the general case, the holding key 1 is designed to be used in both directions of rotation.

Dans un cas particulier, la clef de maintien 1 est agencée pour être utilisée dans un seul sens de rotation, et comporte une première lèvre 31 en hélice de moins d'un tour, en particulier et non limitativement s'étendant sur un angle inférieur à 240° et avec un pas inférieur à 300 micromètres. Dans l'application à la fixation d'un cadran, cette variante a pour avantage de tirer le cadran contre son appui au travers des pieds de cadran, en gérant le couple transmis aux clefs pour éviter l'arrachage ; naturellement, pour permettre l'engagement du pied de cadran sans contact, il faut une zone sans filet, ce qui explique l'angle inférieure à un tour.In a particular case, the retaining key 1 is designed to be used in a single direction of rotation, and comprises a first lip 31 in a helix of less than one turn, in particular and without limitation extending over an angle less than 240 ° and with a pitch less than 300 micrometers. In the application to the fixing of a dial, this variant has the advantage of pulling the dial against its support through the dial feet, by managing the torque transmitted to the keys to prevent tearing; naturally, to allow the engagement of the dial base without contact, a zone without thread is needed, which explains the angle less than one revolution.

Plus particulièrement, et tel qu'illustré par les figures, la première surface inférieure 39 est plane.More particularly, and as illustrated by the figures, the first lower surface 39 is planar.

Plus particulièrement, et tel qu'illustré par les figures, la deuxième surface supérieure 68 est plane.More particularly, and as illustrated by the figures, the second upper surface 68 is planar.

Dans une variante, et tel que visible sur la figure 9, la deuxième surface supérieure 68 est concave. On comprend en effet que l'important est que cette surface tronquée 6 échappe à la coopération avec le pied, elle peut être quelconque à condition que les zones d'interface au niveau des arêtes 51 et 52 assurent la fonction de refoulement de la matière au niveau de l'élément de fixation 4.In a variant, and as visible on the figure 9 , the second upper surface 68 is concave. It will in fact be understood that the important thing is that this truncated surface 6 escapes cooperation with the foot, it can be arbitrary provided that the interface zones at the level of the edges 51 and 52 ensure the function of pushing the material back to the bottom. fixing element level 4.

Plus particulièrement, en projection sur un plan perpendiculaire à l'axe D, les tangentes T1, T2, aux arêtes 51, 52, au niveau des extrémités des arêtes 51, 52, jointives avec la première périphérie 30 de la première lèvre 31 forment entre elles un quatrième angle γ qui est compris entre 90° et 130°.More particularly, in projection on a plane perpendicular to the axis D, the tangents T1, T2, to the edges 51, 52, at the level of the ends of the edges 51, 52, contiguous with the first periphery 30 of the first lip 31 form between they have a fourth angle γ which is between 90 ° and 130 °.

Plus particulièrement, la première périphérie 30 de la première lèvre 31 est un morfil d'épaisseur inférieure ou égale à 35 micromètres.More particularly, the first periphery 30 of the first lip 31 is a morfil of thickness less than or equal to 35 micrometers.

Plus particulièrement, la deuxième lèvre 6 comporte une deuxième périphérie 60 qui est un morfil d'épaisseur inférieure ou égale à 35 micromètres.More particularly, the second lip 6 comprises a second periphery 60 which is a morfil of thickness less than or equal to 35 micrometers.

Plus particulièrement, l'élément d'affichage ou d'habillage 20 est un cadran, la clef de maintien 1 est une clef de cadran, et l'élément de fixation 4 est un pied de cadran ou une partie du cadran.More particularly, the display or trim element 20 is a dial, the holding key 1 is a dial key, and the fixing element 4 is a dial base or part of the dial.

L'invention concerne encore une pièce d'horlogerie 1000, notamment une montre, comportant une structure 100 comportant au moins un logement 8 de réception d'un tenon, au moins un élément d'affichage ou d'habillage 20 comportant au moins un élément de fixation 4, et au moins un tel dispositif de fixation 10, pour la fixation d'un élément d'affichage ou d'habillage 20 sur la structure 100 ou sur un élément rapporté sur la structure 100.The invention also relates to a timepiece 1000, in particular a watch, comprising a structure 100 comprising at least one housing 8 for receiving a tenon, at least one display or covering element 20 comprising at least one element. fixing 4, and at least one such fixing device 10, for fixing a display or trim element 20 on the structure 100 or on an element attached to the structure 100.

Plus particulièrement, au moins un élément d'affichage ou d'habillage 20 comporte un côté visible par l'utilisateur, et chaque clef de maintien 1 est insérable sur la structure 100 ou sur un élément rapporté sur la structure 100 et accessible depuis le côté visible, et comporte une surface d'entraînement 91 pour l'insertion d'un outil apte à faire tourner la clef de maintien autour de l'axe D.More particularly, at least one display or trim element 20 has a side visible to the user, and each retaining key 1 is insertable on the structure 100 or on an element attached to the structure 100 and accessible from the side. visible, and comprises a drive surface 91 for inserting a tool capable of rotating the holding key around the axis D.

Plus particulièrement, au moins un élément d'affichage ou d'habillage 20 et une clef de maintien 1 agencée pour le blocage de cet élément d'affichage ou d'habillage 20 sont fixés sur des éléments distincts, chacun rapporté sur la structure 100.More particularly, at least one display or trim element 20 and a holding key 1 arranged for locking this display or trim element 20 are fixed to separate elements, each attached to the structure 100.

Plus particulièrement, au moins un élément de fixation 4 d'un élément d'affichage ou d'habillage 20 comporte une gorge 40, qui est agencée pour coopérer avec la première lèvre 31 d'une clef de maintien 1 agencée pour le blocage de cet élément d'affichage ou d'habillage 20.More particularly, at least one fixing element 4 of a display or trim element 20 comprises a groove 40, which is arranged to cooperate with the first lip 31 of a retaining key 1 arranged for the locking of this. display or cover element 20.

Plus particulièrement, au moins une clef de maintien 1 est partiellement cachée, depuis le côté visible, par l'élément d'affichage ou d'habillage 20 que bloque la clef de maintien 1.More particularly, at least one retaining key 1 is partially hidden, from the visible side, by the display or trim element 20 which is blocked by the retaining key 1.

Une telle clef de maintien 1 peut être utilisée pour plusieurs montages, démontages de cadran ou similaire.Such a holding key 1 can be used for several assemblies, dismantles of the dial or the like.

Dans l'application de la fixation d'un cadran par une clef de cadran, la première lèvre 31, vient en pénétration sur une portée cylindrique du pied de cadran, est rigide, et ne doit pas se déformer, sa matière de base est un notamment un acier, avec notamment et non limitativement une dureté de 550 à 670 HV.In the application of the fixing of a dial by a dial key, the first lip 31, penetrates a cylindrical bearing surface of the dial base, is rigid, and must not be deformed, its base material is a in particular a steel, with in particular and without limitation a hardness of 550 to 670 HV.

Dans une variante de pied de cadran 4 comportant une gorge 40, la première lèvre 31 peut venir en appui sur une des faces de cette gorge 40. Dans les autres cas, il est nécessaire que la première lèvre 31 déforme le pied de cadran, car sans déformation de ce dernier la tenue n'est pas garantie.In a variant of a dial base 4 comprising a groove 40, the first lip 31 can bear on one of the faces of this groove 40. In the others In this case, it is necessary for the first lip 31 to deform the dial base, because without deformation of the latter, the hold is not guaranteed.

En somme, l'invention permet d'éviter la génération de bavures détachables, et d'assurer le maintien de la propreté du mouvement d'horlogerie lors de la fixation des éléments d'affichage ou d'habillage.In short, the invention makes it possible to avoid the generation of detachable burrs, and to ensure the maintenance of the cleanliness of the clockwork movement when fixing the display or trim elements.

Claims (22)

Dispositif de fixation (10) d'un élément d'affichage ou d'habillage (20) sur une structure (100) d'horlogerie, comportant au moins une clef de maintien (1) comportant un tenon (2) agencé pour être chassé ou vissé ou riveté ou brasé ou soudé dans un logement (8) que comporte ladite structure (100) ou que comporte un élément rapporté sur ladite structure (100), ladite au moins une clef de maintien (1) comportant une tête (9) avec au moins une collerette tronquée (3) sensiblement de révolution par rapport à l'axe (D) dudit tenon (2), la direction dudit axe (D) définissant la direction d'introduction d'un dit élément d'affichage ou d'habillage (20) par rapport à ladite structure (100), ladite collerette tronquée (3) s'étendant sur un secteur angulaire strictement inférieur à 360° et comportant au moins une première lèvre (31) délimitée par une première surface supérieure (38) et une première surface inférieure (39) et qui est agencée pour coopérer en appui de blocage avec une surface (42) ou une portée (41) que comporte un élément de fixation (4) solidaire d'un dit élément d'affichage ou d'habillage (20), et laquelle première lèvre (31) est encore délimitée à ses extrémités (311, 312) par des arêtes (51, 52), caractérisé en ce que lesdites arêtes (51, 52) ne sont pas coplanaires, et en ce que ladite au moins une clef de maintien (1) comporte, jointive à chaque dite arête (51, 52) et en retrait radialement par rapport à la première périphérie (30) de ladite première lèvre (31), une deuxième lèvre (6) comportant une deuxième surface inférieure (69) commune avec ladite première surface inférieure (39), et une deuxième surface supérieure (68) qui est, au niveau de chaque dite arête (51, 52), en dépouille par rapport à ladite première surface supérieure (38)Device for fixing (10) a display or covering element (20) on a timepiece structure (100), comprising at least one retaining key (1) comprising a tenon (2) designed to be driven out or screwed or riveted or brazed or welded in a housing (8) that comprises said structure (100) or that comprises an element attached to said structure (100), said at least one retaining key (1) comprising a head (9) with at least one truncated flange (3) substantially of revolution relative to the axis (D) of said tenon (2), the direction of said axis (D) defining the direction of introduction of said display element or d 'covering (20) relative to said structure (100), said truncated flange (3) extending over an angular sector strictly less than 360 ° and comprising at least a first lip (31) delimited by a first upper surface (38 ) and a first lower surface (39) and which is arranged to cooperate in locking support with a surface (42) or a bearing surface (41) that comprises a fixing element (4) integral with said display or covering element (20), and which first lip (31) is further delimited at its ends (311, 312) by ridges (51, 52), characterized in that said ridges (51, 52) are not coplanar, and in that said at least one retaining key (1) comprises, contiguous with each said ridge (51, 52 ) and set back radially with respect to the first periphery (30) of said first lip (31), a second lip (6) comprising a second lower surface (69) common with said first lower surface (39), and a second surface upper (68) which is, at each said edge (51, 52), undercut with respect to said first upper surface (38) Dispositif de fixation (10) selon la revendication 1, caractérisé en ce que lesdites arêtes (51, 52) sont des arêtes rayonnées, avec un rayon compris entre 10 micromètres et 30 micromètres.Fixing device (10) according to claim 1, characterized in that said ridges (51, 52) are radiated ridges, with a radius of between 10 micrometers and 30 micrometers. Dispositif de fixation (10) selon la revendication 1 ou 2, caractérisé en ce que ladite première lèvre (31) est plus élastique que ledit élément de fixation (4) avec lequel elle est agencée pour coopérer, et est agencée pour repousser la matière dudit élément de fixation (4) lors d'une rotation relative de ladite clef de maintien (1) par rapport audit élément de fixation (4), et en ce que ladite première lèvre (31) a une dureté supérieure ou égale à 550 HV.Fixing device (10) according to claim 1 or 2, characterized in that said first lip (31) is more elastic than said fixing element (4) with which it is arranged to cooperate, and is arranged to push back the material of said fixing element (4) during a relative rotation of said retaining key (1) with respect to said fixing element (4), and in that said first lip (31) has a hardness greater than or equal to 550 HV. Dispositif de fixation (10) selon l'une des revendications 1 à 3, caractérisé en ce que ladite clef de maintien (1) comporte plusieurs dites collerettes tronquées (3) superposées selon la direction dudit axe (D), aptes à exercer des appuis différents sur un même dit élément de fixation (4).Fixing device (10) according to one of claims 1 to 3, characterized in that said retaining key (1) comprises several said truncated flanges (3) superimposed in the direction of said axis (D), capable of exerting different supports on the same said fixing element (4). Dispositif de fixation (10) selon la revendication 4, caractérisé en ce que plusieurs des dites collerettes tronquées (3) comportent des dites premières lèvres (31) dont lesdites arêtes (51, 52) sont décalées angulairement les unes par rapport aux autres.Fixing device (10) according to claim 4, characterized in that several of said truncated flanges (3) comprise said first lips (31), said ridges (51, 52) of which are angularly offset with respect to each other. Dispositif de fixation (10) selon l'une des revendications 1 à 5, caractérisé en ce que ladite première surface supérieure (38) est conique avec un premier demi-angle au sommet (a), par rapport audit axe (D), compris entre 110° et 130°.Fixing device (10) according to one of claims 1 to 5, characterized in that said first upper surface (38) is conical with a first half-angle at the apex (a), with respect to said axis (D), inclusive between 110 ° and 130 °. Dispositif de fixation (10) selon l'une des revendications 1 à 6, caractérisé en ce que, en coupe dans chaque plan radial passent par ledit axe (D), ladite deuxième surface supérieure (68) forme, avec l'axe D, un deuxième angle (β), compris entre 40° et 50°.Fixing device (10) according to one of claims 1 to 6, characterized in that , in section in each radial plane passing through said axis (D), said second upper surface (68) forms, with the axis D, a second angle (β), between 40 ° and 50 °. Dispositif de fixation (10) selon l'une des revendications 1 à 7, caractérisé en ce que, dans un plan (P) perpendiculaire audit axe (D), et au niveau d'une dite arête (51, 52), le dièdre tangent à ladite première surface supérieure (38) et à ladite deuxième surface supérieure (68) a un troisième angle compris entre 145° et 165°.Fixing device (10) according to one of claims 1 to 7, characterized in that , in a plane (P) perpendicular to said axis (D), and at said edge (51, 52), the dihedral tangent to said first upper surface (38) and to said second upper surface (68) has a third angle between 145 ° and 165 °. Dispositif de fixation (10) selon l'une des revendications 1 à 8, caractérisé en ce que ladite clef de maintien (1) est agencée pour être utilisée dans les deux sens de rotation.Fixing device (10) according to one of claims 1 to 8, characterized in that said retaining key (1) is designed to be used in both directions of rotation. Dispositif de fixation (10) selon l'une des revendications 1 à 8, caractérisé en ce que ladite clef de maintien (1) est agencée pour être utilisée dans un seul sens de rotation, et comporte une dite première lèvre (31) en hélice de moins d'un tour s'étendant sur un angle inférieur à 240° et avec un pas inférieur à 300 micromètres.Fixing device (10) according to one of claims 1 to 8, characterized in that said retaining key (1) is arranged to be used in only one direction of rotation, and comprises a said first helical lip (31) of less than one turn extending over an angle of less than 240 ° and with a pitch of less than 300 micrometers. Dispositif de fixation (10) selon l'une des revendications 1 à 10, caractérisé en ce que ladite première surface inférieure (39) est plane.Fixing device (10) according to one of claims 1 to 10, characterized in that said first lower surface (39) is flat. Dispositif de fixation (10) selon l'une des revendications 1 à 11, caractérisé en ce que ladite deuxième surface supérieure (68) est plane.Fixing device (10) according to one of claims 1 to 11, characterized in that said second upper surface (68) is flat. Dispositif de fixation (10) selon l'une des revendications 1 à 11, caractérisé en ce que ladite deuxième surface supérieure (68) est concave.Fixing device (10) according to one of claims 1 to 11, characterized in that said second upper surface (68) is concave. Dispositif de fixation (10) selon l'une des revendications 1 à 13, caractérisé en ce que, en projection sur un plan perpendiculaire audit axe (D), les tangentes (T1, T2) auxdites arêtes (51, 52) au niveau des extrémités desdites arêtes (51, 52) jointives avec la première périphérie (30) de ladite première lèvre (31) forment entre elles un quatrième angle (γ) qui est compris entre 90° et 130°.Fixing device (10) according to one of claims 1 to 13, characterized in that , in projection on a plane perpendicular to said axis (D), the tangents (T1, T2) to said edges (51, 52) at the level of the ends of said ridges (51, 52) contiguous with the first periphery (30) of said first lip (31) form between them a fourth angle (γ) which is between 90 ° and 130 °. Dispositif de fixation (10) selon l'une des revendications 1 à 14, caractérisé en ce que ladite première périphérie (30) de ladite première lèvre (31) est un morfil d'épaisseur inférieure ou égale à 35 micromètres.Fixing device (10) according to one of claims 1 to 14, characterized in that said first periphery (30) of said first lip (31) is a morfil of thickness less than or equal to 35 micrometers. Dispositif de fixation (10) selon l'une des revendications 1 à 15, caractérisé en ce que ladite deuxième lèvre (6) comporte une deuxième périphérie (60) qui est un morfil d'épaisseur inférieure ou égale à 35 micromètres.Fixing device (10) according to one of claims 1 to 15, characterized in that said second lip (6) comprises a second periphery (60) which is a morfil of thickness less than or equal to 35 micrometers. Dispositif de fixation (10) selon l'une des revendications 1 à 16, caractérisé en ce que ledit élément d'affichage ou d'habillage (20) est un cadran, en ce que ladite clef de maintien (1) est une clef de cadran, et en ce que ledit élément de fixation (4) est un pied de cadran ou une partie dudit cadran.Fixing device (10) according to one of claims 1 to 16, characterized in that said display or cover element (20) is a dial, in that said retaining key (1) is a key of dial, and in that said fixing element (4) is a dial base or part of said dial. Pièce d'horlogerie (1000) comportant une structure (100) comportant au moins un logement (8) de réception d'un tenon, au moins un élément d'affichage ou d'habillage (20) comportant au moins un élément de fixation (4), et au moins un dispositif de fixation (10) selon l'une des revendications 1 à 17 pour la fixation d'un dit élément d'affichage ou d'habillage (20) sur ladite structure (100) ou sur un élément rapporté sur ladite structure (100).Timepiece (1000) comprising a structure (100) comprising at least one housing (8) for receiving a tenon, at least one display or covering element (20) comprising at least one fixing element ( 4), and at least one fixing device (10) according to one of claims 1 to 17 for fixing a said display or covering element (20) on said structure (100) or on an element attached to said structure (100). Pièce d'horlogerie (1000) selon la revendication 18, caractérisée en ce que au moins un dit élément d'affichage ou d'habillage (20) comporte un côté visible par l'utilisateur, et en ce que chaque dite clef de maintien (1) est insérable sur ladite structure (100) ou sur un élément rapporté sur ladite structure (100) et accessible depuis ledit côté visible, et comporte une surface d'entraînement (91) pour l'insertion d'un outil apte à faire tourner ladite clef de maintien autour dudit axe (D).Timepiece (1000) according to claim 18, characterized in that at least one said display or trim element (20) has a side visible to the user, and in that each said holding key ( 1) is insertable on said structure (100) or on an element attached to said structure (100) and accessible from said visible side, and comprises a drive surface (91) for the insertion of a tool capable of rotating said key for maintaining around said axis (D). Pièce d'horlogerie (1000) selon la revendication 18 ou 19, caractérisée en ce que au moins un dit élément d'affichage ou d'habillage (20) et une dite clef de maintien (1) agencée pour le blocage de cet élément d'affichage ou d'habillage (20) sont fixés sur des éléments distincts, chacun rapporté sur ladite structure (100).Timepiece (1000) according to claim 18 or 19, characterized in that at least one said display or trim element (20) and one said retaining key (1) arranged for locking this element d 'display or cover (20) are attached to separate elements, each attached to said structure (100). Pièce d'horlogerie (1000) selon l'une des revendications 18 à 20, caractérisée en ce que au moins un élément de fixation (4) d'un dit élément d'affichage ou d'habillage (20) comporte une gorge (40) agencée pour coopérer avec ladite première lèvre (31) d'une dite clef de maintien (1) agencée pour le blocage de cet élément d'affichage ou d'habillage (20).Timepiece (1000) according to one of claims 18 to 20, characterized in that at least one fixing element (4) of said display or covering element (20) comprises a groove (40 ) arranged to cooperate with said first lip (31) of a said retaining key (1) arranged for locking this display or trim element (20). Pièce d'horlogerie (1000) selon la revendication 19 et l'une des revendications 18 à 21, caractérisée en ce que au moins une dite clef de maintien (1) est partiellement cachée, depuis ledit côté visible, par le dit élément d'affichage ou d'habillage (20) que bloque ladite clef de maintien (1).Timepiece (1000) according to claim 19 and one of claims 18 to 21, characterized in that at least one said holding key (1) is partially hidden, from said visible side, by said element of display or cover (20) that blocks said holding key (1).
EP19213223.1A 2019-12-03 2019-12-03 Device for attaching a timepiece display or trim element Active EP3832396B1 (en)

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Application Number Priority Date Filing Date Title
EP19213223.1A EP3832396B1 (en) 2019-12-03 2019-12-03 Device for attaching a timepiece display or trim element
US17/090,289 US11829109B2 (en) 2019-12-03 2020-11-05 Device for fastening a horological external element or display element
JP2020184830A JP7063972B2 (en) 2019-12-03 2020-11-05 A device for fastening external or display elements of a watch
CN202011393109.8A CN112904693B (en) 2019-12-03 2020-12-02 Fastening device for fastening an external or display element of a timepiece

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EP19213223.1A EP3832396B1 (en) 2019-12-03 2019-12-03 Device for attaching a timepiece display or trim element

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EP4194966A1 (en) * 2021-12-07 2023-06-14 ETA SA Manufacture Horlogère Suisse Lock intended for limiting the axial displacement of a moving part of a timepiece movement and timepiece movement comprising same

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CN112904693A (en) 2021-06-04
JP2021089274A (en) 2021-06-10
US11829109B2 (en) 2023-11-28
US20210165369A1 (en) 2021-06-03
CN112904693B (en) 2022-09-09
JP7063972B2 (en) 2022-05-09
EP3832396B1 (en) 2024-01-24

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