EP3293585B1 - Stud support and method for adjusting the position of a stud in such a stud support - Google Patents

Stud support and method for adjusting the position of a stud in such a stud support Download PDF

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Publication number
EP3293585B1
EP3293585B1 EP17188234.3A EP17188234A EP3293585B1 EP 3293585 B1 EP3293585 B1 EP 3293585B1 EP 17188234 A EP17188234 A EP 17188234A EP 3293585 B1 EP3293585 B1 EP 3293585B1
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EP
European Patent Office
Prior art keywords
stud
holder
isolator
arms
clamping means
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EP17188234.3A
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German (de)
French (fr)
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EP3293585A1 (en
Inventor
Karim BOUDERBALI
Jean-François CHAUVET
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Richemont International SA
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Richemont International SA
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Publication of EP3293585A1 publication Critical patent/EP3293585A1/en
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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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • G04B17/325—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring in a fixed position, e.g. using a block

Definitions

  • the present invention relates to the field of watchmaking. It relates, more particularly, a peg carrier comprising a support for being mounted on a timepiece frame and means for clamping a peg on said support, arranged to block the degrees of freedom of said peg.
  • the invention also relates to a method for adjusting the position of a stud in such a stud holder.
  • the stud is the member that allows to fix the outer end of the spiral of a regulating member of the sprung-balance type.
  • the position of the bolt affects the adjustment of the hairspring. Also, to allow adjustment of the counting point.
  • the stud is frequently mounted on a bolt carrier, rotatably mounted on the frame of the timepiece, usually on the cock, concentrically to the bearing of the pendulum.
  • the position of the bolt in the bolt carrier also plays a role in the adjustment of the hairspring.
  • the axial position of the peak, along the longitudinal axis of the peak, determines the height of the outer coil. It therefore has an impact on the flatness of the hairspring and on the constraints that a lack of flatness of the hairspring could generate on the balance.
  • the stud is positioned in an aperture of the stud holder, in which it is clamped by a screw oriented transversely, that is to say a screw whose axis is perpendicular to the longitudinal axis of the piton, and contained in the plane of the peg carrier.
  • This screw must be unscrewed slightly to make the adjustment, before tightening it again.
  • Documents are also known JPS5291150U and JPS509027 a peg holder comprising two elastic arms pinching a stud with non-circular geometry (single radial positioning) the radial adjustments being limited by this geometry.
  • additional spans that can be used to ensure the perpendicularity of the stud relative to its support, further exclude an axial adjustment.
  • the handling during the removal of the peak is difficult because of a large arrow of the arms to let out laterally the peak. In addition to the fact that this manipulation is difficult for the watchmaker, plastic deformations can result.
  • the document is known CH76336 a peg holder whose tightening of the peak is ensured by an elastic arm and an eccentric adjustment carried by the rooster.
  • This configuration in addition to its cost and its size, does not allow to adjust the radial positioning of the pin with respect to the balance, operation that a watchmaker will practice to adjust the marker.
  • the object of the present invention is to propose a bolt carrier which makes it possible to adjust the axial position and the radial position of the bolt in the bolt carrier, without having the difficulties of access that a system with a lateral screw may have.
  • the insulator is arranged to be accessible, for said manual actuation, the side of the general plane of the peg carrier to be opposite the side having a hairspring.
  • the figure 1 proposes a first embodiment of a bolt carrier 10 according to the invention as mentioned above.
  • the bolt carrier 10 comprises a ring 12 defining a support intended to be mounted on a timepiece frame.
  • the ring 12 is intended to be rotatably mounted, generally on a cock of a watch movement, with reference to an axis passing through the centers of the bearings of the balance.
  • the ring 12 is not complete and comprises a slot 14 which opens it.
  • the ring 12 is extended by two arms, forming a fork 16, which extend opposite the slot 14, parallel to each other in the plane of said ring 12, and parallel to a diameter of 1 At least one of the two arms, preferably both, is elastically deformable in the plane of the ring 12, so that the fork 16 defines elastic clamping means integral with the support.
  • the arms came in one piece with the support.
  • each arm is shaped to position a stud 18 and to receive a guide ring 20 whose shape and function will be described below.
  • the inside of each arm has a concavity 22, of type hemicylindrical or biface, to receive the stud 18 in a defined position.
  • the part of the bolt 18 housed in the bolt carrier is cylindrical ( Fig. 5c ).
  • the guide ring 20 of this embodiment is traversed by a transverse cylindrical opening 24, intended to receive the stud 18.
  • the wall of the ring 20 is partially open in a central zone of the ring, by two grooves forming two windows 26 opposite, opening into the transverse cylindrical opening 24.
  • the windows 26 allow the passage of the arms of the fork 16, to position the guide ring 20 and allow its rotation.
  • the height of the windows 26 is substantially equal to the thickness of the arms of the fork 16 so that, when the guide ring 20 is housed in the fork 16, the edges of the windows 26 position without clearance the ring height.
  • One or both of the rims of the windows 26 have a flat 28 or other equivalent non-circular shape capable of cooperating with a tool of a shape adapted to drive the guide ring 20 in rotation.
  • the use of the tool can be done from below or above the movement.
  • the windows 26 are separated by two pillars 30, diametrically opposed, whose section is substantially trapezoidal.
  • the flanks of these pillars 30 are intended to cooperate with the arms to position the guide ring 20 in the plane of the bolt carrier 10.
  • one 30a of the pillars in this case that located on the distal side of the fork 16, has a large base substantially equal to the distance between the two arms of the fork 16 at the contact of the fork 16 with this pillar, so that the fork arms 16 hold the guide ring 20 without being constrained when the pillar 30a is centered between the arms of the fork 16, which defines a so-called rest position ( Fig. 3a ).
  • the second pillar 30b located on the proximal side of the fork 16, is dimensioned so as not to constrain the arms of the fork 16 when the first pillar 30a is centered between the arms of the fork 16. Preferably, it is dimensioned so as not to be in contact with the fork 16 in the rest position, so that it is only defined by the first pillar 30a.
  • the pillars By acting on the guide ring 20 so as to cause it to rotate about the axis of the cylindrical opening 24, the pillars exert a stress on the arms of the fork 16 ( Fig. 3b ).
  • the guide ring 20 acts as an isolator, arranged to move between a first state and a second state.
  • the insulator does not exert stress on the elastic clamping means, which are thus in a clamping position.
  • the arms of the fork 16 are capable of taking up position in the cylindrical opening 24, through the windows 26, leaving the possibility for the arms to hold a pin 18 positioned in the cylindrical opening 24.
  • the insulator it constitutes evolves towards its second state ( figure 3b ), in which it acts on the elastic clamping means so as to constrain them more strongly and thus to spread them so that they adopt a setting position, in which the degrees of freedom of the pin 18 rotating around its longitudinal axis and in translation along its longitudinal axis, are allowed. More specifically, by a manual action applied to the guide ring 20, the pillars 30 of the ring spread the arms of the fork 16, exerting on each of them a pressure tending to move them away from each other.
  • the deformation can be controlled manually or by a stop limiting the rotation of the guide ring 20, so that when the arms of the fork 16 are spaced apart, a pin 18 positioned in the cylindrical opening 24 can be moved to greasy friction in the opening, to allow an axial and radial adjustment of the position of the stud 18.
  • the guide ring 20 can occupy n stable and indexed angular positions. Indexing could be achieved by a notching system for example. Each position defines a more or less strong tightening of the stud 18, allowing a more or less easy adjustment. One could thus define a position in which the pin 18 is free, a clamping position in which the stud 18 is blocked, and an intermediate position, setting, in which the pin 18 can be moved to friction grease.
  • the arms of the fork 16 may be shaped so as to define more precisely a bending zone at which they are likely to deform under the action of the insulator. If the second pillar 30b supports in a rigid area of the arm, this support can help increase the lever arm with which the first pillar 30a will apply its force on his respective arm.
  • the bolt carrier 10 has, as in the first embodiment, a split ring 12 defining a support.
  • the ring 12 is extended by a fork 16 provided with two arms, at least one of which is elastically deformable.
  • the fork 16 is arranged to receive a guide ring 20, occupying the function of resilient clamping means.
  • the ring 20 is elastically assembled between the arms of the fork 16.
  • the guide ring 20 comprises a substantially cylindrical body 40, whose height is substantially equal to the thickness of the arms of the fork 16, the height of said body being delimited on either side by a flange 42.
  • the guide ring 20 is crossed by a transverse cylindrical opening 24, defining a clamping zone for receiving a stud 18.
  • the arms of the fork 16 take place between the flanges 42 to position the guide ring 20 in the plane and out of the plane of the support, but have no interaction direct with the inside of the cylindrical opening 24, so with the stud 18 if necessary.
  • the wall of the guide ring 20 has a through slot 44, defining a deformation zone, oriented in a plane perpendicular to the flanges 42.
  • the through slot 44 extends in the flanges 42 and radially opens the cylindrical opening 24.
  • This slot through 44 can advantageously be a tapping formed in the flanges and oriented perpendicularly to the plane of the support, allowing the passage of a tool 46 having a thread, as a sort of quote having a diameter slightly greater than that of the tapping and causing the removal of edges of the through slot 44 of one another and an enlargement of the section of the cylindrical opening 24.
  • the tapping is dimensioned and positioned so that the tool can be inserted in the presence of a stud 18 in the cylindrical opening 24.
  • the diameter of the tapping is substantially equal to the width of the flanges 42.
  • the guide ring 20 is arranged in such a way that the tapping is positioned on an axis passing between the two arms of the fork. fork 16, preferably on the side of the ring farthest from the support.
  • the flanges 42 in which the tapping is available are positioned beyond the end of the arms of the fork 16. It will be noted that the elasticity of the arms makes it possible to withstand the deformation of the guide ring 20.
  • the deformation zone could be of conical or frustoconical shape and a type of tool.
  • cylindrical or spherical shape having an intermediate diameter between the largest and the smallest diameter of the conical deformation zone, could be used to separate the walls of the deformation zone.
  • a reverse arrangement is also possible, with a tool of conical or frustoconical shape and a cylindrical deformation zone.
  • the insulator that is to say the deformation zone
  • the elastic clamping means are therefore in a clamping position, in which the clamping zone is thus able to hold a pin 18 positioned in the cylindrical opening 24.
  • the insulator which it constitutes moves towards its second state, in which it acts on the elastic clamping means so as to move them away to adopt a position of adjustment, in which the degrees of freedom of the pin 18 rotated about its longitudinal axis and in translation along its longitudinal axis, are allowed.
  • the insertion of the tool 46 spreads the walls of the clamping zone of the guide ring 20.
  • the deformation can be controlled manually as the thread progresses. If this is the case, it may be slightly tapered.
  • the deformation can be limited, for example with an ad hoc thread diameter, so that when the walls of the clamping zone are spaced apart, a stud 18 positioned in the cylindrical housing can be moved with a fatty friction in the cylindrical opening, to allow an axial and radial adjustment of the position of the stud 18.
  • the bolt carrier 10 makes it possible to adjust the position of the bolt 18 by having an action on the insulator from above or below the movement, and not laterally.
  • the resilient clamping means can effectively maintain a stud 18 whose portion accommodated in the stud holder 10, is cylindrical. It is therefore possible to adjust the position of the stud 18 both axially and radially. It will be noted that the setting or mounting of the stud 18 can be done with the hairspring already attached to the stud or not.
  • the invention also relates to an assembly comprising a stud holder 10 as described above and a stud 18 having a cylindrical body held in the elastic clamping means.
  • At least the adjusting step iii is performed with the outer end of a hairspring fixed in the stud 18.
  • the hairspring can be fixed to the pin 18 either after or before the step ii of positioning the stud 18 in the stud holder 10.
  • the insulator is brought into one or other of its states by a rotation action of the isolator itself, in the first embodiment, or a tool (the screw) in the second embodiment cooperating with the insulator, this rotation being performed along an axis perpendicular to the general plane of the bolt carrier 10.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Clamps And Clips (AREA)

Description

Domaine techniqueTechnical area

La présente invention se rapporte au domaine de l'horlogerie. Elle concerne, plus particulièrement, un porte-piton comprenant un support pour être monté sur un bâti de pièce d'horlogerie et des moyens de serrage d'un piton sur ledit support, agencés pour bloquer les degrés de liberté dudit piton. L'invention concerne également un procédé de réglage de la position d'un piton dans un tel porte-piton.The present invention relates to the field of watchmaking. It relates, more particularly, a peg carrier comprising a support for being mounted on a timepiece frame and means for clamping a peg on said support, arranged to block the degrees of freedom of said peg. The invention also relates to a method for adjusting the position of a stud in such a stud holder.

Etat de la techniqueState of the art

Le piton est l'organe qui permet de fixer l'extrémité extérieure du spiral d'un organe réglant de type balancier-spiral. La position du piton a une incidence sur le réglage du spiral. Aussi, pour permettre le réglage du point de comptage. Le piton est fréquemment monté sur un porte-piton, monté mobile en rotation sur le bâti de la pièce d'horlogerie, généralement sur le coq, concentriquement au palier du balancier.The stud is the member that allows to fix the outer end of the spiral of a regulating member of the sprung-balance type. The position of the bolt affects the adjustment of the hairspring. Also, to allow adjustment of the counting point. The stud is frequently mounted on a bolt carrier, rotatably mounted on the frame of the timepiece, usually on the cock, concentrically to the bearing of the pendulum.

Toutefois, la position du piton dans le porte-piton joue également un rôle dans le réglage du spiral. La position axiale du piton, selon l'axe longitudinal du piton, conditionne la hauteur de la spire extérieure. Elle a donc une incidence sur la planéité du spiral et sur les contraintes qu'un défaut de planéité du spiral pourrait générer sur le balancier.However, the position of the bolt in the bolt carrier also plays a role in the adjustment of the hairspring. The axial position of the peak, along the longitudinal axis of the peak, determines the height of the outer coil. It therefore has an impact on the flatness of the hairspring and on the constraints that a lack of flatness of the hairspring could generate on the balance.

Le positionnement angulaire du porte-piton en référence au porte-piton, c'est-à-dire la position du porte-piton en rotation autour de son axe longitudinal, conditionne le positionnement de l'extrémité intérieure du spiral. Elle a donc une incidence sur les frottements des pivots du balancier dans leur palier et sur la concentricité du développement du spiral durant ses oscillations.The angular positioning of the bolt carrier with reference to the bolt carrier, that is to say the position of the bolt carrier rotating about its longitudinal axis, conditions the positioning of the inner end of the hairspring. It therefore has an impact on the friction of the pivots of the balance in their bearing and on the concentricity of the development of the spiral during its oscillations.

Il est donc essentiel de pouvoir procéder à ces deux réglages pour optimiser le fonctionnement de l'organe réglant.It is therefore essential to be able to make these two adjustments to optimize the operation of the regulating organ.

De manière conventionnelle, le piton est positionné dans une ouverture du porte-piton, dans laquelle il est serré par une vis orientée de manière transversale, c'est-à-dire une vis dont l'axe est perpendiculaire à l'axe longitudinal du piton, et contenue dans le plan du porte-piton. On doit donc dévisser légèrement cette vis pour effectuer le réglage, avant de la serrer à nouveau.Conventionally, the stud is positioned in an aperture of the stud holder, in which it is clamped by a screw oriented transversely, that is to say a screw whose axis is perpendicular to the longitudinal axis of the piton, and contained in the plane of the peg carrier. This screw must be unscrewed slightly to make the adjustment, before tightening it again.

Cependant, selon la construction du mouvement, il n'est toujours aisé d'avoir accès à cette vis pour réaliser les opérations de réglage, sans démonter partiellement le mouvement.However, according to the construction of the movement, it is still easy to have access to this screw to perform adjustment operations, without partially disassemble the movement.

On connaît également des portes-piton n'utilisant pas de vis pour positionner le piton. Par exemple, dans le document GB1590390 , le piton comporte une portion conique engagée dans une fourchette élastique que comporte le porte-piton. Ce système positionne le piton axialement et permet le réglage de sa position angulaire. Toutefois, il ne permet pas de régler la position axiale du piton dans le porte-piton.Pit bolts are also known that do not use screws to position the bolt. For example, in the document GB1590390 , the stud has a conical portion engaged in an elastic fork that includes the stud holder. This system positions the stud axially and allows the adjustment of its angular position. However, it does not adjust the axial position of the bolt in the bolt carrier.

On connaît aussi des documents JPS5291150U et JPS509027 un porte-piton comportant deux bras élastiques pinçant un piton à géométrie non circulaire (positionnement radial unique) les réglages radiaux étant limités par cette géométrie. Dans le cas du document JPS5291150U, des portées supplémentaires pouvant servir à assurer la perpendicularité du piton par rapport à son support, excluent d'autre part un réglage axial. Dans ces deux exemples, mais plus particulièrement dans le cas de JPS5291150U, la manipulation lors du retrait du piton est difficile en raison d'une flèche importante des bras pour laisser sortir latéralement le piton. Outre le fait que cette manipulation est difficile pour l'horloger, des déformations plastiques peuvent en résulter.Documents are also known JPS5291150U and JPS509027 a peg holder comprising two elastic arms pinching a stud with non-circular geometry (single radial positioning) the radial adjustments being limited by this geometry. In the case of the document JPS5291150U, additional spans that can be used to ensure the perpendicularity of the stud relative to its support, further exclude an axial adjustment. In these two examples, but more particularly in the case of JPS5291150U, the handling during the removal of the peak is difficult because of a large arrow of the arms to let out laterally the peak. In addition to the fact that this manipulation is difficult for the watchmaker, plastic deformations can result.

On connaît d'autre part du document CH76336 un porte-piton dont le serrage du piton est assuré par un bras élastique et un excentrique de réglage portés par le coq. Cette configuration, outre son coût et son encombrement, ne permet pas de régler le positionnement radial du piton par rapport au balancier, opération qu'un horloger pratiquera pour régler le repère.On the other hand, the document is known CH76336 a peg holder whose tightening of the peak is ensured by an elastic arm and an eccentric adjustment carried by the rooster. This configuration, in addition to its cost and its size, does not allow to adjust the radial positioning of the pin with respect to the balance, operation that a watchmaker will practice to adjust the marker.

Divulgation de l'inventionDisclosure of the invention

La présente invention a pour but de proposer un porte-piton qui permette de régler la position axiale et la position radiale du piton dans le porte-piton, sans avoir les difficultés d'accès que peut présenter un système avec une vis latérale.The object of the present invention is to propose a bolt carrier which makes it possible to adjust the axial position and the radial position of the bolt in the bolt carrier, without having the difficulties of access that a system with a lateral screw may have.

À cet effet, la présente invention concerne plus particulièrement un porte-piton comprenant :

  • un support destiné à être monté sur un bâti de pièce d'horlogerie,
  • des moyens de serrage élastique aptes à serrer un piton sur ledit support et agencés pour bloquer les degrés de liberté dudit piton lorsque lesdits moyens de serrage élastique sont dans une position de serrage,
  • un isolateur monté sur ledit porte piton et apte à coopérer avec les moyens de serrage élastique et agencé pour évoluer, par actionnement manuel, entre :
    1. i. un premier état dans lequel ledit isolateur n'exerce pas de contrainte sur les moyens de serrage élastique,
    2. ii. au moins un deuxième état dans lequel il agit sur lesdits moyens de serrage élastique de manière à les contraindre afin de les écarter vers une position de réglage, dans laquelle les degrés de liberté du piton en rotation autour de son axe longitudinal et en translation selon son axe longitudinal, sont autorisés.
For this purpose, the present invention relates more particularly to a bolt carrier comprising:
  • a support intended to be mounted on a timepiece frame,
  • resilient clamping means adapted to clamp a stud on said support and arranged to lock the degrees of freedom of said peak when said elastic clamping means are in a clamping position,
  • an insulator mounted on said piton door and adapted to cooperate with the resilient clamping means and arranged to evolve, by manual actuation, between:
    1. i. a first state in which said insulator does not exert stress on the elastic clamping means,
    2. ii. at least one second state in which it acts on said elastic clamping means so as to force them to move them towards an adjustment position, in which the degrees of freedom of the stud rotates about its longitudinal axis and in translation according to its longitudinal axis, are allowed.

De préférence, l'isolateur est agencé de manière à être accessible, pour ledit actionnement manuel, du côté du plan général du porte-piton destiné à être opposé au côté comportant un spiral.Preferably, the insulator is arranged to be accessible, for said manual actuation, the side of the general plane of the peg carrier to be opposite the side having a hairspring.

D'autres caractéristiques sont mentionnées dans les revendications dépendantes.Other features are mentioned in the dependent claims.

Brève description des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description détaillée de modes de réalisation préférés qui suit, faite en référence aux dessins annexés, donnés à titre d'exemples non limitatifs et dans lequel :

  • la figure 1 représente un premier mode de réalisation d'un porte-piton selon l'invention ;
  • la figure 2 est une vue détaillée d'un élément du porte-piton de la figure 1 ;
  • les figures 3a et 3b montrent une vue partielle du porte-piton de la figure 1, dans deux positions différentes ;
  • la figure 4 représente un deuxième mode de réalisation d'un porte-piton selon l'invention, avec un outil susceptible d'être utilisé pour réaliser une opération de réglage ; et
  • les figures 5 à 7 représentent différentes étapes d'un procédé de réglage de la position d'un piton, mettant en oeuvre le porte-piton de la figure 4.
Other features and advantages of the present invention will appear more clearly on reading the detailed description of preferred embodiments which follows, made with reference to the accompanying drawings, given by way of non-limiting examples and in which:
  • the figure 1 represents a first embodiment of a bolt carrier according to the invention;
  • the figure 2 is a detailed view of an element of the door post of the figure 1 ;
  • the Figures 3a and 3b show a partial view of the door post of the figure 1 in two different positions;
  • the figure 4 represents a second embodiment of a peg carrier according to the invention, with a tool that can be used to perform a setting operation; and
  • the Figures 5 to 7 represent different steps of a method of adjusting the position of a bolt, implementing the bolt carrier of the figure 4 .

Mode(s) de réalisation de l'inventionMode (s) of realization of the invention

La figure 1 propose un premier mode de réalisation d'un porte-piton 10 selon l'invention tel que mentionné ci-dessus.The figure 1 proposes a first embodiment of a bolt carrier 10 according to the invention as mentioned above.

Dans ce mode de réalisation, le porte-piton 10 comprend un anneau 12 définissant un support destiné à être monté sur un bâti de pièce d'horlogerie. L'anneau 12 est destiné à être monté mobile en rotation, en général sur un coq d'un mouvement horloger, en référence à un axe passant par les centres des paliers du balancier. L'anneau 12 n'est pas complet et comprend une fente 14 qui l'ouvre.In this embodiment, the bolt carrier 10 comprises a ring 12 defining a support intended to be mounted on a timepiece frame. The ring 12 is intended to be rotatably mounted, generally on a cock of a watch movement, with reference to an axis passing through the centers of the bearings of the balance. The ring 12 is not complete and comprises a slot 14 which opens it.

L'anneau 12 est prolongé par deux bras, formant une fourchette 16, qui s'étendent à l'opposé de la fente 14, parallèlement l'un à l'autre dans le plan dudit anneau 12, et parallèlement à un diamètre de l'anneau 12. Au moins un des deux bras, de préférence les deux, est déformable élastiquement dans le plan de l'anneau 12, de sorte que la fourchette 16 définit des moyens de serrage élastique, solidaires du support. De préférence, les bras sont venus d'une pièce avec le support.The ring 12 is extended by two arms, forming a fork 16, which extend opposite the slot 14, parallel to each other in the plane of said ring 12, and parallel to a diameter of 1 At least one of the two arms, preferably both, is elastically deformable in the plane of the ring 12, so that the fork 16 defines elastic clamping means integral with the support. Preferably, the arms came in one piece with the support.

L'intérieur de chaque bras est conformé pour positionner un piton 18 et pour recevoir une bague de guidage 20 dont la forme et la fonction seront décrites ci-après. Comme on le voit mieux sur les figures 3a et 3b, l'intérieur de chaque bras présente une concavité 22, de type hémicylindrique ou biface, pour recevoir le piton 18 dans une position définie. Pour qu'un réglage de la position axiale du piton soit possible, la partie du piton 18 logée dans le porte-piton, est cylindrique (Fig. 5c).The inside of each arm is shaped to position a stud 18 and to receive a guide ring 20 whose shape and function will be described below. As we see best on Figures 3a and 3b , the inside of each arm has a concavity 22, of type hemicylindrical or biface, to receive the stud 18 in a defined position. For an adjustment of the axial position of the bolt is possible, the part of the bolt 18 housed in the bolt carrier, is cylindrical ( Fig. 5c ).

Telle qu'illustrée particulièrement à la figure 2, la bague de guidage 20 de ce mode de réalisation est traversée par une ouverture cylindrique transversale 24, destinée à recevoir le piton 18. La paroi de la bague 20 est partiellement ouverte dans une zone centrale de la bague, par deux rainures formant deux fenêtres 26 opposées, débouchant dans l'ouverture cylindrique transversale 24. Les fenêtres 26 permettent le passage des bras de la fourchette 16, afin de positionner la bague de guidage 20 et de permettre sa rotation.As illustrated particularly in figure 2 , the guide ring 20 of this embodiment is traversed by a transverse cylindrical opening 24, intended to receive the stud 18. The wall of the ring 20 is partially open in a central zone of the ring, by two grooves forming two windows 26 opposite, opening into the transverse cylindrical opening 24. The windows 26 allow the passage of the arms of the fork 16, to position the guide ring 20 and allow its rotation.

La hauteur des fenêtres 26 est sensiblement égale à l'épaisseur des bras de la fourchette 16 de sorte que, lorsque la bague de guidage 20 est logée dans la fourchette 16, les rebords des fenêtres 26 positionnent sans jeu la bague en hauteur.The height of the windows 26 is substantially equal to the thickness of the arms of the fork 16 so that, when the guide ring 20 is housed in the fork 16, the edges of the windows 26 position without clearance the ring height.

L'un des rebords des fenêtres 26, voire les deux, présentent un méplat 28 ou une autre forme non-circulaire équivalente, susceptible de coopérer avec un outil de forme adaptée pour entraîner la bague de guidage 20 en rotation. L'utilisation de l'outil peut se faire par le dessous ou le dessus du mouvement.One or both of the rims of the windows 26 have a flat 28 or other equivalent non-circular shape capable of cooperating with a tool of a shape adapted to drive the guide ring 20 in rotation. The use of the tool can be done from below or above the movement.

Les fenêtres 26 sont séparées par deux piliers 30, diamétralement opposés, dont la section est essentiellement trapézoïdale. Les flancs de ces piliers 30 sont destinés à coopérer avec les bras pour positionner la bague de guidage 20 dans le plan du porte-piton 10.The windows 26 are separated by two pillars 30, diametrically opposed, whose section is substantially trapezoidal. The flanks of these pillars 30 are intended to cooperate with the arms to position the guide ring 20 in the plane of the bolt carrier 10.

Plus particulièrement, l'un 30a des piliers, en l'occurrence celui situé du côté distal de la fourchette 16, présente une grande base sensiblement égale à la distance séparant les deux bras de la fourchette 16 au niveau du contact de la fourchette 16 avec ce pilier, de sorte que les bras de fourchette 16 tiennent la bague de guidage 20 sans être contraints lorsque le pilier 30a est centré entre les bras de la fourchette 16, ce qui définit une position dite de repos (Fig. 3a).More particularly, one 30a of the pillars, in this case that located on the distal side of the fork 16, has a large base substantially equal to the distance between the two arms of the fork 16 at the contact of the fork 16 with this pillar, so that the fork arms 16 hold the guide ring 20 without being constrained when the pillar 30a is centered between the arms of the fork 16, which defines a so-called rest position ( Fig. 3a ).

Le deuxième pilier 30b, situé du côté proximal de la fourchette 16, est dimensionné de manière à ne pas contraindre les bras de la fourchette 16 lorsque le premier pilier 30a est centré entre les bras de la fourchette 16. De préférence, il est dimensionné de manière à ne pas être contact avec la fourchette 16 dans la position de repos, afin que celle-ci soit uniquement définie par le premier pilier 30a.The second pillar 30b, located on the proximal side of the fork 16, is dimensioned so as not to constrain the arms of the fork 16 when the first pillar 30a is centered between the arms of the fork 16. Preferably, it is dimensioned so as not to be in contact with the fork 16 in the rest position, so that it is only defined by the first pillar 30a.

En agissant sur la bague de guidage 20 de manière à l'entraîner en rotation autour de l'axe de l'ouverture cylindrique 24, les piliers exercent une contrainte sur les bras de la fourchette 16 (Fig. 3b).By acting on the guide ring 20 so as to cause it to rotate about the axis of the cylindrical opening 24, the pillars exert a stress on the arms of the fork 16 ( Fig. 3b ).

Comme on peut le voir sur les figures 3a et 3b, la bague de guidage 20 joue le rôle d'un isolateur, agencé pour évoluer entre un premier état et un deuxième état. Dans le premier état (figure 3a), l'isolateur n'exerce pas de contrainte sur les moyens de serrage élastique, qui se trouvent ainsi dans une position de serrage. Dans cet état, les bras de la fourchette 16 sont susceptibles de prendre position dans l'ouverture cylindrique 24, au travers des fenêtres 26, laissant la possibilité aux bras de maintenir un piton 18 positionné dans l'ouverture cylindrique 24.As can be seen on the Figures 3a and 3b , the guide ring 20 acts as an isolator, arranged to move between a first state and a second state. In the first state ( figure 3a ), the insulator does not exert stress on the elastic clamping means, which are thus in a clamping position. In this state, the arms of the fork 16 are capable of taking up position in the cylindrical opening 24, through the windows 26, leaving the possibility for the arms to hold a pin 18 positioned in the cylindrical opening 24.

Par rotation de la bague de guidage 20, l'isolateur qu'elle constitue évolue vers son deuxième état (figure 3b), dans lequel il agit sur les moyens de serrage élastique de manière à les contraindre plus fortement et ainsi de les écarter de telle sorte qu'ils adoptent une position de réglage, dans laquelle les degrés de liberté du piton 18 en rotation autour de son axe longitudinal et en translation selon son axe longitudinal, sont autorisés. Plus précisément, par une action manuelle appliquée sur la bague de guidage 20, les piliers 30 de la bague écartent les bras de la fourchette 16, en exerçant sur chacun d'eux une pression tendant à les éloigner l'un de l'autre. La déformation peut être contrôlée manuellement ou par une butée limitant la rotation de la bague de guidage 20, de manière à ce que, lorsque les bras de la fourchette 16 sont écartés, un piton 18 positionné dans l'ouverture cylindrique 24 puisse être déplacé à frottement gras dans l'ouverture, pour permettre un réglage axial et radial de la position du piton 18.By rotation of the guide ring 20, the insulator it constitutes evolves towards its second state ( figure 3b ), in which it acts on the elastic clamping means so as to constrain them more strongly and thus to spread them so that they adopt a setting position, in which the degrees of freedom of the pin 18 rotating around its longitudinal axis and in translation along its longitudinal axis, are allowed. More specifically, by a manual action applied to the guide ring 20, the pillars 30 of the ring spread the arms of the fork 16, exerting on each of them a pressure tending to move them away from each other. The deformation can be controlled manually or by a stop limiting the rotation of the guide ring 20, so that when the arms of the fork 16 are spaced apart, a pin 18 positioned in the cylindrical opening 24 can be moved to greasy friction in the opening, to allow an axial and radial adjustment of the position of the stud 18.

Le cas échéant, on pourrait prévoir que la bague de guidage 20 puisse occuper n positions angulaires stables et indexées. L'indexation pourrait être obtenue par un système de crantage par exemple. Chaque position définit un serrage plus ou moins fort du piton 18, permettant un réglage plus ou moins facile. On pourrait ainsi définir une position dans laquelle le piton 18 est libre, une position de serrage dans laquelle le piton 18 est bloqué, et une position intermédiaire, de réglage, dans laquelle le piton 18 peut être déplacé à frottement gras.If necessary, it could be provided that the guide ring 20 can occupy n stable and indexed angular positions. Indexing could be achieved by a notching system for example. Each position defines a more or less strong tightening of the stud 18, allowing a more or less easy adjustment. One could thus define a position in which the pin 18 is free, a clamping position in which the stud 18 is blocked, and an intermediate position, setting, in which the pin 18 can be moved to friction grease.

On pourra conformer les bras de la fourchette 16 de manière à définir plus précisément une zone de flexion au niveau de laquelle ils sont susceptibles de se déformer sous l'action de l'isolateur. Si le deuxième pilier 30b appuie dans une zone rigide du bras, cet appui peut contribuer à augmenter le bras de levier avec lequel le premier pilier 30a va appliquer sa force sur son bras respectif.The arms of the fork 16 may be shaped so as to define more precisely a bending zone at which they are likely to deform under the action of the insulator. If the second pillar 30b supports in a rigid area of the arm, this support can help increase the lever arm with which the first pillar 30a will apply its force on his respective arm.

On a représenté sur les figures 4 à 7, un deuxième mode de réalisation d'un porte-piton 10 selon l'invention. Les éléments du deuxième mode de réalisation déjà présents dans le premier, sont désignés par les mêmes numéros de référence. Le porte-piton 10 présente, comme dans le premier mode de réalisation, un anneau 12 fendu définissant un support. L'anneau 12 est prolongé par une fourchette 16 munie de deux bras, dont l'un au moins est déformable élastiquement.We have shown on Figures 4 to 7 , a second embodiment of a bolt carrier 10 according to the invention. The elements of the second embodiment already present in the first, are designated by the same reference numbers. The bolt carrier 10 has, as in the first embodiment, a split ring 12 defining a support. The ring 12 is extended by a fork 16 provided with two arms, at least one of which is elastically deformable.

La fourchette 16 est agencée pour recevoir une bague de guidage 20, occupant la fonction de moyens élastiques de serrage. La bague 20 est assemblée élastiquement entre les bras de la fourchette 16.The fork 16 is arranged to receive a guide ring 20, occupying the function of resilient clamping means. The ring 20 is elastically assembled between the arms of the fork 16.

La bague de guidage 20 comprend un corps 40 sensiblement cylindrique, dont la hauteur est sensiblement égale à l'épaisseur des bras de la fourchette 16, la hauteur dudit corps étant délimitée de part et d'autre par un rebord 42. La bague de guidage 20 est traversée par une ouverture cylindrique transversale 24, définissant une zone de serrage destinée à recevoir un piton 18.The guide ring 20 comprises a substantially cylindrical body 40, whose height is substantially equal to the thickness of the arms of the fork 16, the height of said body being delimited on either side by a flange 42. The guide ring 20 is crossed by a transverse cylindrical opening 24, defining a clamping zone for receiving a stud 18.

On notera que, à la différence du premier mode de réalisation, les bras de la fourchette 16 prennent place entre les rebords 42 pour positionner la bague de guidage 20 dans le plan et hors du plan du support, mais n'ont pas d'interaction directe avec l'intérieur de l'ouverture cylindrique 24, donc avec le piton 18 le cas échéant.Note that, unlike the first embodiment, the arms of the fork 16 take place between the flanges 42 to position the guide ring 20 in the plane and out of the plane of the support, but have no interaction direct with the inside of the cylindrical opening 24, so with the stud 18 if necessary.

La paroi de la bague de guidage 20 comporte une fente traversante 44, définissant une zone de déformation, orientée dans un plan perpendiculaire aux rebords 42. La fente traversante 44 se prolonge dans les rebords 42 et ouvre radialement l'ouverture cylindrique 24. Cette fente traversante 44 peut être avantageusement un taraudage ménagé dans les rebords et orienté perpendiculairement au plan du support, permettant le passage d'un outil 46 comportant un filetage, comme une sorte devis ayant un diamètre légèrement supérieur à celui du taraudage et provoquant l'éloignement des bords de la fente traversante 44 l'un de l'autre et un agrandissement de la section de l'ouverture cylindrique 24. Le taraudage est dimensionné et positionné de manière à ce que l'outil puisse être inséré en présence d'un piton 18 dans l'ouverture cylindrique 24. De préférence, le diamètre du taraudage est sensiblement égal à la largeur des rebords 42.The wall of the guide ring 20 has a through slot 44, defining a deformation zone, oriented in a plane perpendicular to the flanges 42. The through slot 44 extends in the flanges 42 and radially opens the cylindrical opening 24. This slot through 44 can advantageously be a tapping formed in the flanges and oriented perpendicularly to the plane of the support, allowing the passage of a tool 46 having a thread, as a sort of quote having a diameter slightly greater than that of the tapping and causing the removal of edges of the through slot 44 of one another and an enlargement of the section of the cylindrical opening 24. The tapping is dimensioned and positioned so that the tool can be inserted in the presence of a stud 18 in the cylindrical opening 24. Preferably, the diameter of the tapping is substantially equal to the width of the flanges 42.

Afin que cet agrandissement soit possible et que l'outil ne rentre pas en collision avec les bras de la fourchette 26, la bague de guidage 20 est agencée de manière à ce que le taraudage soit positionné sur un axe passant entre les deux bras de la fourchette 16, de préférence du côté de la bague le plus éloigné du support. De plus, si le diamètre du filetage est plus grand que l'espace entre les bras, les rebords 42 dans lesquels on disposera le taraudage, sont positionnés au-delà de l'extrémité des bras de la fourchette 16. On notera que l'élasticité des bras permet de supporter la déformation de la bague de guidage 20.In order for this enlargement to be possible and for the tool not to collide with the arms of the fork 26, the guide ring 20 is arranged in such a way that the tapping is positioned on an axis passing between the two arms of the fork. fork 16, preferably on the side of the ring farthest from the support. In addition, if the diameter of the thread is greater than the space between the arms, the flanges 42 in which the tapping is available, are positioned beyond the end of the arms of the fork 16. It will be noted that the elasticity of the arms makes it possible to withstand the deformation of the guide ring 20.

De manière plus générale, si l'utilisation d'un filetage coopérant avec un taraudage est intéressante parce que l'outil 46 peut rester en place sans être tenu, la zone de déformation pourrait être de forme conique ou tronconique et un outil de type de forme cylindrique ou sphérique, présentant un diamètre intermédiaire entre le plus grand et le plus petit diamètre de la zone de déformation conique, pourrait être utilisé pour écarter les parois de la zone de déformation. Un agencement inverse est aussi possible, avec un outil de forme conique ou tronconique et une zone de déformation cylindrique.More generally, if the use of a thread cooperating with a tapping is interesting because the tool 46 can remain in place without being held, the deformation zone could be of conical or frustoconical shape and a type of tool. cylindrical or spherical shape, having an intermediate diameter between the largest and the smallest diameter of the conical deformation zone, could be used to separate the walls of the deformation zone. A reverse arrangement is also possible, with a tool of conical or frustoconical shape and a cylindrical deformation zone.

Ainsi, en l'absence de contrainte exercée par la vis, l'isolateur, c'est-à-dire la zone de déformation, est dans un premier état dans lequel il n'exerce pas de contrainte sur les moyens de serrage élastique, c'est-à-dire la zone de serrage. Les moyens de serrage élastiques se trouvent donc dans une position de serrage, dans laquelle la zone de serrage est ainsi apte à maintenir un piton 18 positionné dans l'ouverture cylindrique 24.Thus, in the absence of stress exerted by the screw, the insulator, that is to say the deformation zone, is in a first state in which it does not exert stress on the elastic clamping means, that is to say the clamping area. The elastic clamping means are therefore in a clamping position, in which the clamping zone is thus able to hold a pin 18 positioned in the cylindrical opening 24.

Par insertion de l'outil 46 fileté dans le taraudage de la zone de déformation, l'isolateur qu'elle constitue évolue vers son deuxième état, dans lequel il agit sur les moyens de serrage élastique de manière à les écarter pour adopter une position de réglage, dans laquelle les degrés de liberté du piton 18 en rotation autour de son axe longitudinal et en translation selon son axe longitudinal, sont autorisés. Plus précisément, l'insertion de l'outil 46 écarte les parois de la zone de serrage de la bague de guidage 20. La déformation peut être contrôlée manuellement, au fur et à mesure de l'avance du filetage. Le cas échéant, celui-ci pourrait être légèrement conique. La déformation peut être limitée, par exemple avec un diamètre de filetage ad hoc, de manière à ce que, lorsque les parois de la zone de serrage sont écartées, un piton 18 positionné dans le logement cylindrique puisse être déplacé à frottement gras dans l'ouverture cylindrique, pour permettre un réglage axial et radial de la position du piton 18.By inserting the threaded tool 46 into the tapping of the deformation zone, the insulator which it constitutes moves towards its second state, in which it acts on the elastic clamping means so as to move them away to adopt a position of adjustment, in which the degrees of freedom of the pin 18 rotated about its longitudinal axis and in translation along its longitudinal axis, are allowed. Specifically, the insertion of the tool 46 spreads the walls of the clamping zone of the guide ring 20. The deformation can be controlled manually as the thread progresses. If this is the case, it may be slightly tapered. The deformation can be limited, for example with an ad hoc thread diameter, so that when the walls of the clamping zone are spaced apart, a stud 18 positioned in the cylindrical housing can be moved with a fatty friction in the cylindrical opening, to allow an axial and radial adjustment of the position of the stud 18.

Ainsi, de manière avantageuse, le porte-piton 10 selon l'invention permet de régler la position du piton 18 en ayant une action sur l'isolateur par le dessus ou le dessous du mouvement, et non latéralement. De plus, les moyens de serrage élastique permettent de maintenir efficacement un piton 18 dont la partie logée dans le porte-piton 10, est cylindrique. On peut donc régler la position du piton 18 tant axialement que radialement. On notera encore que le réglage ou le montage du piton 18 peut être fait avec le spiral déjà fixé au piton ou non.Thus, advantageously, the bolt carrier 10 according to the invention makes it possible to adjust the position of the bolt 18 by having an action on the insulator from above or below the movement, and not laterally. In addition, the resilient clamping means can effectively maintain a stud 18 whose portion accommodated in the stud holder 10, is cylindrical. It is therefore possible to adjust the position of the stud 18 both axially and radially. It will be noted that the setting or mounting of the stud 18 can be done with the hairspring already attached to the stud or not.

L'invention concerne également un ensemble comportant un porte-piton 10 tel que décrit ci-dessus et un piton 18 présentant un corps cylindrique maintenu dans les moyens de serrage élastique.The invention also relates to an assembly comprising a stud holder 10 as described above and a stud 18 having a cylindrical body held in the elastic clamping means.

L'invention concerne encore un procédé de réglage de la position d'un piton 18 dans un porte-piton 10 tel que décrit ci-dessus. Le procédé selon l'invention comprend les étapes :

  1. i. amener l'isolateur dans son deuxième état,
  2. ii. positionner le piton 18 dans les moyens de serrage élastique,
  3. iii. régler la position du piton 18 en rotation autour de son axe longitudinal et en translation selon son axe longitudinal,
  4. iv. amener l'isolateur dans son premier état.
The invention also relates to a method for adjusting the position of a stud 18 in a stud holder 10 as described above. The method according to the invention comprises the steps:
  1. i. bring the isolator into its second state,
  2. ii. position the stud 18 in the elastic clamping means,
  3. iii. adjust the position of the stud 18 in rotation about its longitudinal axis and in translation along its longitudinal axis,
  4. iv. bring the isolator into its first state.

De manière avantageuse, au moins l'étape de réglage iii, est effectuée avec l'extrémité extérieure d'un spiral fixée dans le piton 18. En d'autres termes, le spiral peut être fixé au piton 18 soit après, soit avant l'étape ii de positionnement du piton 18 dans le porte-piton 10.Advantageously, at least the adjusting step iii is performed with the outer end of a hairspring fixed in the stud 18. In other words, the hairspring can be fixed to the pin 18 either after or before the step ii of positioning the stud 18 in the stud holder 10.

On relèvera que, pour améliorer l'ergonomie du réglage, l'isolateur est amené dans l'un ou l'autre de ses états par une action de rotation de l'isolateur lui-même, dans le premier mode de réalisation, ou d'un outil (la vis) dans le deuxième mode de réalisation, coopérant avec l'isolateur, cette rotation étant effectuée selon un axe perpendiculaire au plan général du porte-piton 10.It will be noted that, in order to improve the ergonomics of the adjustment, the insulator is brought into one or other of its states by a rotation action of the isolator itself, in the first embodiment, or a tool (the screw) in the second embodiment cooperating with the insulator, this rotation being performed along an axis perpendicular to the general plane of the bolt carrier 10.

L'homme du métier ne rencontrera pas de difficulté particulière pour adapter le contenu de la présente divulgation à ses propres besoins et, mettre en oeuvre un porte-piton 10 ne répondant qu'en partie aux caractéristiques décrites, sans sortir du cadre de l'invention défini par les revendications.The person skilled in the art will not encounter any particular difficulty in adapting the content of the present disclosure to his own needs and, implementing a bolt-holder 10 only partially satisfying the described characteristics, without departing from the scope of the present invention. invention defined by the claims.

Claims (17)

  1. Stud-holder (10) comprising:
    - a support (12) intended to be mounted on a timepiece frame,
    - elastic clamping means (16, 40, 42) capable of clamping a stud (18) on said support (12) and arranged to block the degrees of freedom of said stud (18) when said elastic clamping means (16, 40, 42) are in a clamping position,
    - an isolator (20) mounted on said stud-holder (10) and capable of cooperating with the elastic clamping means (16, 40, 42) and arranged to move, by manual actuation, between:
    i. a first state in which said isolator (20) does not exert stress on the elastic clamping means (16, 40, 42),
    ii. at least one second state in which it acts on said elastic clamping means (16, 40, 42) so as to separate them to adopt an adjustment position, in which the degrees of freedom of the stud (18) in rotation about its longitudinal axis and in translation along its longitudinal axis, are authorized.
  2. Stud-holder (10) according to Claim 1, wherein the isolator (20) is formed as a complete or split ring.
  3. Stud-holder (10) according to one of Claims 1 and 2, defining a general plane, characterized in that said isolator (10) is accessible, for said manual actuation, on the side of the general plane intended to be opposite the side intended to include a hair spring.
  4. Stud-holder (10) according to one of Claims 1 to 3, wherein the elastic clamping means (16, 40, 42) are secured to the support (12).
  5. Stud-holder (10) according to Claim 4, characterized in that the elastic clamping means (16, 40, 42) comprise a fork (16) formed by two arms extending in the general plane, at least one of the arms being elastically deformable in said general plane.
  6. Stud-holder (10) according to Claim 5, characterized in that the isolator (20) is a guiding ring (20) mounted to be rotationally mobile between the arms of the fork (16) at the level of grooves.
  7. Stud-holder (10) according to one of Claims 1 to 4, characterized in that the elastic clamping means (16, 40, 42) comprise a guiding ring (20) assembled elastically on said support (12).
  8. Stud-holder (10) according to Claim 7 when it depends on Claim 3, wherein the support (12) comprises a fork (16) formed by two arms extending in said general plane, at least one of the arms being elastically deformable in said plane, said fork (16) being arranged in such a way that said guiding ring (20) is assembled elastically between said arms, characterized in that the guiding ring (20) comprises a substantially cylindrical body (40), the height of which is substantially equal to the thickness of the arms of the fork (16), the height of said body (40) being delimited on either side by a flange (42).
  9. Stud-holder (10) according to Claim 7 or according to Claim 8, wherein the ring (20) comprises a clamping zone intended to receive the stud (18), characterized in that said isolator (20) is a deformation zone comprised by the guiding ring (20), said deformation zone being capable of cooperating with an external tool (46) to elastically deform the clamping zone.
  10. Stud-holder (10) according to Claim 9, characterized in that said deformation zone comprises a slit (44) passing through said guiding ring (20) and radially opening the clamping zone.
  11. Stud-holder (10) according to Claim 10, characterized in that said slit (44) comprises an internal thread oriented at right angles to the general plane.
  12. Stud-holder (10) according to Claim 11, characterized in that said internal thread is positioned on an axis passing between the two arms of the fork (16), preferably on the side of the guiding ring (20) furthest away from the support (12) .
  13. Assembly comprising a stud-holder (10) according to one of the preceding claims and a stud (18) having a cylindrical body held in the elastic clamping means (16, 40, 42).
  14. Assembly according to Claim 13, wherein a hair spring is arranged in the stud (18) on a first side of the general plane defined by the stud-holder (10), said isolator (20) being arranged so as to be accessible, for said manual actuation, on the side of the general plane opposite the side comprising the hair spring.
  15. Method for adjusting the position of a stud (18) in a stud-holder (10) according to one of Claims 1 to 12, comprising the steps of:
    i. bringing the isolator (20) into its second state,
    ii. positioning the stud (18) in said elastic clamping means (16, 40, 42),
    iii. adjusting the position of the stud (18) in rotation about its longitudinal axis and in translation along its longitudinal axis,
    iv. bringing the isolator (20) into its first state.
  16. Method according to Claim 15, characterized in that at least the adjustment step iii is performed with the outer end of a hair spring fixed in the stud (18).
  17. Method according to one of Claims 15 and 16, characterized in that the isolator (20) is brought into one or other of its states by a rotational action of the isolator (20) or of a tool (46) cooperating with the isolator (20), this rotation being performed on an axis at right angles to the general plane of the stud-holder (10).
EP17188234.3A 2016-08-29 2017-08-29 Stud support and method for adjusting the position of a stud in such a stud support Active EP3293585B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01105/16A CH712854A1 (en) 2016-08-29 2016-08-29 Pitcher and method of adjusting the position of a bolt in such a bolt carrier.

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EP3293585A1 EP3293585A1 (en) 2018-03-14
EP3293585B1 true EP3293585B1 (en) 2019-07-24

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6703203B1 (en) * 2020-01-29 2020-06-03 セイコーウオッチ株式会社 Hairspring adjustment mechanism, balance reception unit, movement and clock
EP4296790A1 (en) * 2022-06-21 2023-12-27 ETA SA Manufacture Horlogère Suisse Stud support device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH76336A (en) * 1917-07-16 1917-12-01 Edouard Glauser Spiral-holder eyebolt fixing device
JPS509027Y1 (en) * 1970-07-27 1975-03-18
JPS5291150U (en) * 1975-12-29 1977-07-07

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
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EP3293585A1 (en) 2018-03-14

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