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EP3339966B1 - Push-button for a timepiece - Google Patents

Push-button for a timepiece Download PDF

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Publication number
EP3339966B1
EP3339966B1 EP16206881.1A EP16206881A EP3339966B1 EP 3339966 B1 EP3339966 B1 EP 3339966B1 EP 16206881 A EP16206881 A EP 16206881A EP 3339966 B1 EP3339966 B1 EP 3339966B1
Authority
EP
European Patent Office
Prior art keywords
tube
ring
longitudinal axis
button
axial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16206881.1A
Other languages
German (de)
French (fr)
Other versions
EP3339966A1 (en
Inventor
Nicolas Boaron
Pedro Manuel DOS SANTOS PEDROSA
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.)
Rolex SA
Original Assignee
Rolex SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolex SA filed Critical Rolex SA
Priority to EP16206881.1A priority Critical patent/EP3339966B1/en
Priority to JP2017240233A priority patent/JP7096663B2/en
Priority to US15/848,810 priority patent/US11188028B2/en
Priority to CN201711404387.7A priority patent/CN108241286B/en
Publication of EP3339966A1 publication Critical patent/EP3339966A1/en
Application granted granted Critical
Publication of EP3339966B1 publication Critical patent/EP3339966B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/048—Operation exclusively by axial movement of a push-button, e.g. for chronographs
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
    • G04B37/106—Hermetic sealing of openings, joints, passages or slits of winding stems of push buttons
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G04G21/08—Touch switches specially adapted for time-pieces

Definitions

  • the invention relates to a push-piece or push-button for a timepiece or for a timepiece.
  • the invention also relates to a middle device comprising such a pusher.
  • the invention also relates to a watch case comprising such a middle device or such a pusher.
  • the invention also relates to a timepiece comprising such a middle device or such a pusher or such a watch case.
  • the invention finally relates to a method of mounting such a pusher and a method of disassembling such a pusher.
  • a rod on which a seal is mounted, is in particular housed in the tube so as to constitute a function corrector displaceable in translation.
  • the rod In a first direction of translation of the rod, the rod is delimited axially by means of a portion of rod intended to abut against a surface formed at the end of the tube.
  • the rod In a second direction of translation of the rod, the rod is delimited axially by means of a portion of rod intended to abut against a surface formed at the end of a ring attached inside the tube.
  • the ring is either in the form of a threaded ring intended to be screwed within a tapped portion of the tube, or in the complex form of a disc retained axially by an elastic ring additional.
  • This document gives no indication as to the implementation of a fully removable push button of the watch case.
  • the tube is connected to the middle part in a removable manner, it is necessary to define a simple removable connection between the stopper and the tube which is easily actuable, and this without preteritating the assembly of the tube in the middle part.
  • the object of the invention is to provide a watch pusher which makes it possible to remedy the drawbacks mentioned above and to improve the horological pushers known from the prior art.
  • the invention provides a pusher which is easily and completely removable from the middle part of the watch case on which the push button is mounted. The pusher itself must be easily and completely removable.
  • a pusher according to the invention is defined by claim 1.
  • a middle device according to the invention is defined by claim 11.
  • a watch case according to the invention is defined by claim 12.
  • a timepiece according to the invention is defined by claim 13.
  • a method of assembling a pusher according to the invention is defined by claim 14.
  • a method of dismantling a pusher according to the invention is defined by claim 15.
  • the timepiece is for example a watch, in particular a wristwatch.
  • the timepiece may include a mechanical movement or an electronic movement.
  • the timepiece includes an embodiment of a watch case 110 housing the movement.
  • the watch case 110 includes an embodiment of a middle device 100.
  • the middle device 100 comprises a middle part 10 proper comprising an embodiment of a pusher 1 or push button 1.
  • the pusher allows the transmission of an action from a user or a tool to an internal element in the middle device or watch case, in particular the watch movement assembled in the watch case.
  • the push-button makes it possible, for example, to transmit a command for adjusting or correcting or activating or deactivating a function of the watch movement.
  • the push-button can transmit a command for adjusting or correcting or activating or deactivating one or more watch functions.
  • the pusher can therefore, for example, constitute or form part of a corrector allowing the adjustment of time indications or those derived from the time of a timepiece.
  • the pusher also includes a spring 5.
  • the mechanical connection between the ring and the tube is of the bayonet type.
  • the tube has an at least substantially cylindrical conformation of revolution with a longitudinal axis A.
  • the tube is intended to be attached to the middle part.
  • the tube has, for example at one of its outer ends, an external thread 2f intended to allow its screwing in the middle 10.
  • the middle 10 has a bore 10b provided with a thread 10a provided to cooperate with the thread external 2f.
  • the tube has at the other of its outer ends a bearing 2k intended to come into abutment against the middle part 10, in particular against the bottom of a counterbore provided on the middle part, when the tube is screwed fully into the middle part.
  • the tube has between its outer ends an annular groove 2h for housing a seal 7.
  • the seal 7 is intended to come into abutment against the bore 10b to provide a seal at the interface tube - middle part.
  • the seal is of the annular type.
  • the seal can be an O-ring and / or an elastomer seal.
  • the tube has at one of its inner ends a range 2m intended to constitute a stop for moving the rod.
  • the tube has at the other of its internal ends elements 2a, 2b, 2c of bayonet type connection which are detailed below, in particular with reference to the figure 4 .
  • the tube 2 comprises three protrusions 2c constituting the main elements of the mechanical connection of the bayonet type on the tube.
  • the tube allows the rod to be guided in translation along the longitudinal axis A.
  • the tube has a bore 2n for guiding the rod.
  • the tube advantageously comprises a conformation 2i, in particular a cutout of non-circular cross-section, in particular polygonal or of fluted section or of toothed section, intended to allow the tube to be driven in rotation using a tool having a conformation at less substantially complementary to the conformation 2i.
  • This conformation is preferably a cut which can be provided at the end located near the outer surface of the middle part as in the embodiment shown.
  • the conformation can be provided at the end of the tube which is pressed into the middle part and / or the conformation can be arranged on the outer periphery of the tube.
  • the tube also comprises at least a first guide surface 2j, in particular a bore, intended to cooperate a second guide surface 3j, in particular a cylindrical surface.
  • the first and second guide surfaces cooperate to guide in a pivot connection sliding the ring in the tube.
  • the ring 3 has an essentially annular shape.
  • the ring 3 mainly makes it possible to provide support for the spring 5.
  • the ring includes a bearing 3e, in particular a bearing 3e in a bore.
  • the ring 3 also preferably includes a bore 3i for guiding the rod 4.
  • the ring finally comprises elements 3a, 3b, 3c, 3d of bayonet type connection which are detailed below, in particular with reference to the figure 3 . These elements cooperate with the connecting elements 2a, 2b, 2c which are provided on the tube.
  • the ring 3 has a three-lobed geometry. It has three 3d lobes each with a 3d housing constituting the main elements of the bayonet-type mechanical connection on the ring. The 3d housings cooperate with the protrusions to form the bayonet-type connection.
  • the ring advantageously comprises a face, in particular a face visible from the inside of the watch case, provided with at least one imprint 3f intended to receive a tool for moving the ring relative to the tube.
  • the at least one imprint and the tool are shaped so that a watchmaker can exert mechanical actions on the ring.
  • the at least one imprint and the tool are shaped so that a watchmaker can push the ring along the longitudinal axis A and so that it can rotate the ring around the longitudinal axis A.
  • the mechanical actions are such as to allow the movement of the ring relative to the tube in translation along the axis A and / or the movement of the ring relative to the tube in rotation around the axis A.
  • the ring preferably comprises two, three, or four imprints 3f.
  • the at least one imprint 3f is a hollow imprint.
  • four indentations or indentations 3f are made, as shown in the figure 3 .
  • the rod 4 generally has a cylindrical geometry of revolution around the longitudinal axis A.
  • the rod has a first bearing 4n intended to constitute a bearing surface for the spring 5, in particular one end 5b of the spring 5.
  • the rod has a second range 4m intended to cooperate with the range 2m provided on the tube to stop the rod in translation along the longitudinal axis A.
  • the rod is in a rest position.
  • the rod comprises an annular groove 4h for housing a seal 6.
  • the seal 6 is intended to come into abutment against the bore 2n to provide a seal at the tube-rod interface.
  • the seal is of the annular type.
  • the seal can be an O-ring and / or an elastomer seal.
  • the rod 4 comprises a first end 4a intended to interact with the user of the push button directly or by means of a tool.
  • the first end 4a can project out of the tube so that the user can act directly on it.
  • the first end can be flush with the end of the tube, or even be a little behind the end of the tube as shown.
  • the first end 4a may have a concave cut so as to facilitate the action of a tool. This conformation is for example used to act on a corrector.
  • the rod 4 comprises a second end 4b intended to come into contact with the movement, in particular with a component of the movement, and to act on this when the rod is moved in translation along the longitudinal axis A.
  • the pusher comprises a spring 5.
  • the spring 5 is advantageously a helical spring.
  • the first end 5a of the spring bears against the bearing surface 3 of the ring on the one hand and the second end 5b of the spring bears against the bearing surface 4n of the rod on the other hand.
  • the spring 5 bears on the ring 3 and on the rod 4 so as to return the rod to its rest position shown on the figure 1 , i.e. with the 2m and 4m surfaces in contact with each other.
  • the spring is prestressed between the surfaces 4n and 3e.
  • the spring 5 performs two functions.
  • the spring performs a mechanical connection function such as detailed below.
  • the spring also provides a function of returning the rod to its rest position.
  • the rod is thus able to move, under the action of a user, in translation along the longitudinal axis A against the spring 5 so that the end 4b of the rod can interact for example with a component of the movement of the timepiece.
  • the rod is conventionally returned to position under the effect of the return of the return spring 5.
  • the ring 3 is mounted in the tube 2 so that the ring and the tube encapsulate the functional elements of the pusher, in particular the rod 4, the return spring 5 of the rod 4 and the seal 6 .
  • the step "pushing the first part relative to the second part, in particular against the action of a spring” may be optional.
  • the mechanical connection comprises at least one, preferably two, three or four, protrusion 2c on the tube.
  • the protrusions extend radially, in particular radially towards the inside of the tube, relative to the longitudinal axis A.
  • the mechanical connection comprises at least one, preferably two, three or four, 3d housings on the ring. Each housing is intended to receive a protuberance.
  • the tube 2 has three protrusions 2c extending radially inward of the tube relative to the longitudinal axis A and the ring 3 has three housing 3d.
  • the mechanical connection comprises at least one, preferably two, three or four, protrusion on the tube.
  • the protrusions extending radially, in particular radially towards the outside of the tube, relative to the longitudinal axis.
  • the mechanical connection comprises at least one, preferably two, three or four, housings on the tube, the housings being intended to each receive a protuberance.
  • the at least one protuberance can be provided on the ring and can cooperate with the at least one housing provided on the tube.
  • the mechanical connection comprises at least a first axial stop 2a provided on the tube and at least a second axial stop 3a provided on the ring.
  • the first and second axial stops are provided to cooperate by obstacle to stop the ring in axial translation along the longitudinal axis A relative to the tube.
  • the spring 5 presses the first axial stops and the second axial stops against each other.
  • three first stops 3a are formed by surfaces of the 3d housings.
  • these surfaces can be portions, in particular annular portions, of planes perpendicular to the longitudinal axis A, in particular annular portions of a plane perpendicular to the longitudinal axis A.
  • Three second stops 2a are formed by surfaces protrusions 2c.
  • these surfaces can be portions, in particular annular portions, of planes perpendicular to the longitudinal axis A, in particular annular portions of a plane P1 'perpendicular to the longitudinal axis A.
  • the at least one first axial stop 2a and the at least one second axial stop 3a may not be planar. They are preferably complementary.
  • the at least one first axial stop 2a and the at least one second axial stop 3a can have helical surfaces.
  • the mechanical connection comprises the spring 5.
  • the spring makes it possible to return the at least one first axial stop 2a against the at least one second axial stop 3a.
  • the surfaces 3a of the ring 3 are therefore in abutment against the surfaces 2a of the tube 2 under the effect of the pressing force of the spring 5.
  • the spring could be in abutment against the surface 3e and against a bearing in the bore of the tube. In this case, the spring is not in abutment against the rod.
  • the spring has only a function of assembling the ring to the tube, in particular the function of recalling the at least one first axial stop 2a against the at least one second axial stop 3a.
  • the rod is returned to its rest position by another spring. This another spring may be provided in the pusher or in the watch movement.
  • the first three axial stops 2a preferably each extend over an angular sector comprised between 30 ° and 50 ° around the longitudinal axis A and the three second axial stops 3a each extend over an angular sector comprised between 30 ° and 50 ° around the longitudinal axis A.
  • the first axial stops 2a are advantageously distributed regularly angularly around the longitudinal axis A.
  • the second axial stops 3a are advantageously distributed regularly angularly around the longitudinal axis A.
  • the mechanical connection comprises at least a first lateral stop 2b, preferably at least two first lateral stops 2b, provided on the tube and at least a second lateral stop 3b, preferably at least two second lateral stops 3b, provided on the ring.
  • the first and second lateral stops are provided to cooperate by obstacle to stop the ring in rotation about the longitudinal axis A relative to the tube in at least one direction of rotation, preferably in both directions of rotation.
  • the rotational deflection of the ring 3 within the tube 2 is defined.
  • the at least one second lateral stop 3b may comprise or be constituted by at least one flange 3b extending along the longitudinal axis A from a second axial stop 3a.
  • each second lateral stop 3b comprises a flange 3b extending along the longitudinal axis A from a second axial stop 3a.
  • the second lateral stops 3b comprise or consist of two flanges 3b extending along the longitudinal axis A from each second axial stop 3a as shown in the figure 3 .
  • the lateral stops are flanges provided at the level of the 3d housings.
  • the second lateral stops cooperate with first lateral stops 2b constituted by side walls of the protrusions 2c.
  • the at least one first lateral stop 2b comprises at least one flange extending along the longitudinal axis from a first axial stop 2a.
  • flange we preferably mean a relief or raised conformation formed on an axial abutment surface or from an axial abutment surface.
  • the at least one first axial stop 2a can have a concave surface and the at least one second axial stop 3a can have a convex surface.
  • the concave and convex surfaces are preferably complementary or substantially complementary.
  • the at least one first axial stop 2a can have a convex surface and the at least one second axial stop 3a can have a concave surface.
  • the concave and convex surfaces are preferably complementary or substantially complementary.
  • the part 2 or 3 comprising the housings may have grooves for guiding the protuberances of the other part 3 or 2, these grooves being arranged so as to guide the protuberances between the housings and one end of the part comprising the housings.
  • the protrusions and / or the housings are obtained by removing material.
  • the ring 3 is arranged opposite the tube 2 so that the 3d housings are located between two protrusions 2c. It is thus possible to insert the ring 3 within the tube 2 against the spring 5.
  • the ring is moved relative to the tube by a distance at least equal to the height 20c of the protrusions 2c (measured along the axis longitudinal A).
  • the ring 3 is rotated by an angle of around 60 ° so as to allow the surfaces 2a and 3a to face each other. It is thus possible, in the sixth assembly step ( figure 8 ) to let the ring 3 come to press against the tube 2 under the effect of the pressing force of the spring 5.
  • the disassembly of the ring 3 within the tube 2 is therefore carried out in a similar manner, by reversing the relative movements of the ring relative to the tube. It should however be noted that the step "Apply an axial force F to the ring" is optional, in particular with a pusher which does not include a lateral stop.
  • the ring and the tube have visual markers or polarizers.
  • markers can include 2g and 3g cutouts. These marks make it possible to give an indication of the angular position of the ring relative to the tube around the longitudinal axis A. For example, in the assembled configuration, these marks 2g and 3g can coincide or lie opposite one of the other, as shown in the figure 9 .
  • These polarizers make it easier to control the positioning of the ring 3 in the tube 2.
  • the pusher can be mounted on the middle part in an assembled manner according to the aforementioned pusher assembly or assembly method, that is to say after having been assembled according to the aforementioned pusher assembly or assembly method.
  • only the tube can be previously mounted on the middle part to then proceed to the assembly of the push button according to the aforementioned method of mounting or assembly of the push button.
  • the pusher as a whole can be removed from the middle before implementing the aforementioned method of dismantling or removing the pusher.
  • only the tube can be removed from the middle by having previously disassembled the push button according to the disassembly or removal process of the aforementioned push button.
  • Such a solution for assembling or disassembling a pusher in particular such a solution for assembling or disassembling the ring 3 within the tube 2 is particularly advantageous insofar as the torque for holding the angular position of the ring 3 limit to a value which is substantially proportional to the pressing force induced by the return spring 5.
  • a solution is particularly suitable for the implementation of a tube 2 linked to the middle part 10 by means of a removable link.
  • the holding torque in angular position of the ring 3 within the tube 2 is in fact substantially less than the unscrewing torque of the tube.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Description

L'invention concerne un poussoir ou bouton-poussoir de pièce d'horlogerie ou pour pièce d'horlogerie. L'invention concerne aussi un dispositif de carrure comprenant un tel poussoir. L'invention concerne encore une boîte de montre comprenant un tel dispositif de carrure ou un tel poussoir. L'invention concerne également une pièce d'horlogerie comprenant un tel dispositif de carrure ou un tel poussoir ou une telle boîte de montre. L'invention concerne enfin un procédé de montage d'un tel poussoir et un procédé de démontage d'un tel poussoir.The invention relates to a push-piece or push-button for a timepiece or for a timepiece. The invention also relates to a middle device comprising such a pusher. The invention also relates to a watch case comprising such a middle device or such a pusher. The invention also relates to a timepiece comprising such a middle device or such a pusher or such a watch case. The invention finally relates to a method of mounting such a pusher and a method of disassembling such a pusher.

On connaît du document EP0030696 un bouton-poussoir doté d'un tube chassé dans une carrure de boîte de montre. Une tige, sur laquelle est monté un joint d'étanchéité, est logée dans le tube de façon à constituer un correcteur de fonction déplaçable en translation. La tige est simplement délimitée axialement relativement au tube par le biais d'une rainure formée sur la paroi intérieure du tube, qui est prévue pour réceptionner le joint d'étanchéité, notamment en cas de choc. Cette solution d'assemblage de la tige n'est pas satisfaisante dans la mesure où celle-ci peut autoriser un retrait intempestif de la tige du tube lors du porter de la boîte de montre, notamment en cas de fort choc. Par ailleurs, cette construction de bouton-poussoir peut s'avérer problématique si une opération de maintenance de la boîte de montre impose le retrait du tube de la carrure ou, par exemple, si l'état du tube impose son remplacement. Une telle construction n'est donc pas satisfaisante.We know of the document EP0030696 a push button with a tube driven into a middle of the watch case. A rod, on which a seal is mounted, is housed in the tube so as to constitute a function corrector displaceable in translation. The rod is simply delimited axially relative to the tube by means of a groove formed on the inner wall of the tube, which is intended to receive the seal, in particular in the event of impact. This rod assembly solution is not satisfactory insofar as the latter can allow untimely withdrawal of the rod from the tube when wearing the watch case, in particular in the event of a strong shock. Furthermore, this construction of a push button can prove to be problematic if a maintenance operation of the watch case requires the removal of the tube from the middle part or, for example, if the condition of the tube requires its replacement. Such a construction is therefore not satisfactory.

On connaît du document CH616548 un bouton-poussoir doté d'un tube fileté prévu pour être vissé dans une carrure de boîte de montre. Une tige, sur laquelle est monté un joint d'étanchéité, est notamment logée dans le tube de façon à constituer un correcteur de fonction déplaçable en translation. Cette tige est délimitée axialement relativement au tube par le biais d'une tête de poussoir, dont une extrémité est chassée dans le canon de la tête de poussoir. Ainsi, si le bouton-poussoir est dévissable de la carrure par le biais d'une collerette formée sur la périphérie extérieure du tube, les éléments fonctionnels du bouton-poussoir tels que la tige et son ressort de rappel, ainsi que le joint d'étanchéité, ne peuvent être aisément ôtés du tube. Il existe notamment des risques de marquer la tête du bouton-poussoir lors de l'opération de déchassage. Une telle construction n'est donc pas optimale.We know of the document CH616548 a push button with a threaded tube intended to be screwed into a watch case middle. A rod, on which a seal is mounted, is in particular housed in the tube so as to constitute a function corrector displaceable in translation. This rod is delimited axially relative to the tube by means of a pusher head, one end of which is driven into the barrel of the pusher head. Thus, if the push button is unscrewable from the middle by means of a flange formed on the outer periphery of the tube, the functional elements of the push button such as the rod and its return spring, as well as the gasket. sealing, cannot be easily removed from the tube. There are in particular risks of marking the head of the push button during the stripping operation. Such a construction is therefore not optimal.

On connaît du document EP0575831 un bouton-poussoir doté d'un tube soudé sur une carrure de boîte de montre. Une tige, sur laquelle est monté un joint d'étanchéité, est notamment logée dans le tube de façon à constituer un correcteur de fonction déplaçable en translation. Dans un premier sens de translation de la tige, la tige est délimitée axialement par le biais d'une portion de tige prévue pour buter à l'encontre d'une surface formée à l'extrémité du tube. Dans un second sens de translation de la tige, la tige est délimitée axialement par le biais d'une portion de tige prévue pour buter à l'encontre d'une surface formée à l'extrémité d'une bague rapportée à l'intérieur du tube. Selon les différentes variantes de réalisation décrites, la bague se présente soit sous la forme d'une bague filetée prévue pour être vissée au sein d'une portion taraudée du tube, soit sous la forme complexe d'un disque retenu axialement par un anneau élastique supplémentaire. Ce document ne donne aucune indication quant à la mise en œuvre d'un bouton-poussoir intégralement démontable de la boîte de montre. Dans l'hypothèse où le tube est lié à la carrure de façon démontable, il convient de définir une liaison démontable simple entre le bouchon et le tube qui soit aisément actionnable, et ce sans prétériter l'assemblage du tube dans la carrure.We know of the document EP0575831 a push button with a tube welded to a watch case middle. A rod, on which a seal is mounted, is in particular housed in the tube so as to constitute a function corrector displaceable in translation. In a first direction of translation of the rod, the rod is delimited axially by means of a portion of rod intended to abut against a surface formed at the end of the tube. In a second direction of translation of the rod, the rod is delimited axially by means of a portion of rod intended to abut against a surface formed at the end of a ring attached inside the tube. According to the different embodiments described, the ring is either in the form of a threaded ring intended to be screwed within a tapped portion of the tube, or in the complex form of a disc retained axially by an elastic ring additional. This document gives no indication as to the implementation of a fully removable push button of the watch case. In the event that the tube is connected to the middle part in a removable manner, it is necessary to define a simple removable connection between the stopper and the tube which is easily actuable, and this without preteritating the assembly of the tube in the middle part.

Le but de l'invention est de fournir un poussoir horloger permettant de remédier aux inconvénients mentionnés précédemment et d'améliorer les poussoirs horlogers connus de l'art antérieur. En particulier, l'invention propose un poussoir qui soit aisément et intégralement démontable de la carrure de la boîte de montre sur laquelle le bouton-poussoir est monté. Le poussoir lui-même doit être aisément et intégralement démontable.The object of the invention is to provide a watch pusher which makes it possible to remedy the drawbacks mentioned above and to improve the horological pushers known from the prior art. In particular, the invention provides a pusher which is easily and completely removable from the middle part of the watch case on which the push button is mounted. The pusher itself must be easily and completely removable.

Un poussoir selon l'invention est défini par la revendication 1.A pusher according to the invention is defined by claim 1.

Différents modes de réalisation du poussoir sont définis par les revendications 2 à 10.Different embodiments of the pusher are defined by claims 2 to 10.

Un dispositif de carrure selon l'invention est défini par la revendication 11.A middle device according to the invention is defined by claim 11.

Une boîte de montre selon l'invention est définie par la revendication 12.A watch case according to the invention is defined by claim 12.

Une pièce d'horlogerie selon l'invention est définie par la revendication 13.A timepiece according to the invention is defined by claim 13.

Un procédé d'assemblage d'un poussoir selon l'invention est défini par la revendication 14.A method of assembling a pusher according to the invention is defined by claim 14.

Un procédé de démontage d'un poussoir selon l'invention est défini par la revendication 15.A method of dismantling a pusher according to the invention is defined by claim 15.

Les figures annexées représentent, à titre d'exemple, un mode de réalisation d'une pièce d'horlogerie selon l'invention.

  • La figure 1 est une vue schématique d'un mode de réalisation d'une pièce d'horlogerie selon l'invention comprenant un mode de réalisation d'un poussoir.
  • La figure 2 est une vue en coupe transversale du mode de réalisation du poussoir selon le plan II-II de la figure 1.
  • La figure 3 est une vue en perspective d'une bague du mode de réalisation du poussoir.
  • La figure 4 est une vue en perspective d'un tube du mode de réalisation du poussoir.
  • Les figures 5 à 9 sont des vues du mode de réalisation du poussoir à différentes étapes de son procédé de montage.
  • La figure 10 est une vue en perspective du tube du mode de réalisation du poussoir.
The appended figures represent, by way of example, an embodiment of a timepiece according to the invention.
  • The figure 1 is a schematic view of an embodiment of a timepiece according to the invention comprising an embodiment of a pusher.
  • The figure 2 is a cross-sectional view of the embodiment of the pusher according to the plane II-II of the figure 1 .
  • The figure 3 is a perspective view of a ring of the embodiment of the pusher.
  • The figure 4 is a perspective view of a tube of the embodiment of the pusher.
  • The Figures 5 to 9 are views of the embodiment of the pusher at different stages of its mounting process.
  • The figure 10 is a perspective view of the tube of the embodiment of the pusher.

Un mode de réalisation d'une pièce d'horlogerie 120 est décrit ci-après en référence aux figures 1 à 10. La pièce d'horlogerie est par exemple une montre, en particulier une montre bracelet. La pièce d'horlogerie peut comprendre un mouvement mécanique ou un mouvement électronique. La pièce d'horlogerie comprend un mode de réalisation d'une boîte de montre 110 logeant le mouvement.An embodiment of a timepiece 120 is described below with reference to Figures 1 to 10 . The timepiece is for example a watch, in particular a wristwatch. The timepiece may include a mechanical movement or an electronic movement. The timepiece includes an embodiment of a watch case 110 housing the movement.

La boîte de montre 110 comprend un mode de réalisation d'un dispositif de carrure 100.The watch case 110 includes an embodiment of a middle device 100.

Le dispositif de carrure 100 comprend une carrure 10 proprement dite comprenant un mode de réalisation d'un poussoir 1 ou bouton-poussoir 1. Le poussoir permet la transmission d'une action d'un utilisateur ou d'un outil à un élément interne au dispositif de carrure ou à la boîte de montre, notamment au mouvement horloger assemblé dans la boîte de montre.The middle device 100 comprises a middle part 10 proper comprising an embodiment of a pusher 1 or push button 1. The pusher allows the transmission of an action from a user or a tool to an internal element in the middle device or watch case, in particular the watch movement assembled in the watch case.

Le poussoir permet par exemple de transmettre une commande de réglage ou de correction ou d'activation ou de désactivation d'une fonction du mouvement horloger. En particulier, le poussoir peut transmettre une commande de réglage ou de correction ou d'activation ou de désactivation d'une ou plusieurs fonctions horlogères. Le poussoir peut donc, par exemple, constituer ou faire partie d'un correcteur permettant le réglage d'indications horaires ou dérivées de l'heure d'une pièce d'horlogerie.The push-button makes it possible, for example, to transmit a command for adjusting or correcting or activating or deactivating a function of the watch movement. In particular, the push-button can transmit a command for adjusting or correcting or activating or deactivating one or more watch functions. The pusher can therefore, for example, constitute or form part of a corrector allowing the adjustment of time indications or those derived from the time of a timepiece.

Le mode de réalisation du poussoir 1 est décrit ci-après en référence aux figures 1 à 10.The embodiment of the pusher 1 is described below with reference to Figures 1 to 10 .

Le poussoir comprend :

  • une tige 4 ;
  • un tube 2 de guidage de la tige 4 selon un axe longitudinal A ;
  • une bague 3 ; et
  • une liaison mécanique 3d, 2c entre la bague et le tube.
The pusher includes:
  • a rod 4;
  • a tube 2 for guiding the rod 4 along a longitudinal axis A;
  • a ring 3; and
  • a 3d, 2c mechanical connection between the ring and the tube.

Le poussoir comprend aussi un ressort 5.The pusher also includes a spring 5.

Selon l'invention, la liaison mécanique entre la bague et le tube est du type à baïonette.According to the invention, the mechanical connection between the ring and the tube is of the bayonet type.

De préférence, le tube présente une conformation au moins sensiblement cylindrique de révolution d'axe longitudinal A.Preferably, the tube has an at least substantially cylindrical conformation of revolution with a longitudinal axis A.

Le tube est prévu pour être rapporté sur la carrure. Le tube présente, par exemple à une de ses extrémités extérieures, un filetage externe 2f destiné à permettre son vissage dans la carrure 10. A cet effet, la carrure 10 présente un alésage 10b muni d'un taraudage 10a prévu pour coopérer avec le filetage externe 2f.The tube is intended to be attached to the middle part. The tube has, for example at one of its outer ends, an external thread 2f intended to allow its screwing in the middle 10. For this purpose, the middle 10 has a bore 10b provided with a thread 10a provided to cooperate with the thread external 2f.

Le tube présente à l'autre de ses extrémités extérieures une portée 2k destinée à venir en appui contre la carrure 10, notamment contre le fond d'un lamage prévu sur la carrure, lorsque le tube est vissé à fond dans la carrure.The tube has at the other of its outer ends a bearing 2k intended to come into abutment against the middle part 10, in particular against the bottom of a counterbore provided on the middle part, when the tube is screwed fully into the middle part.

Le tube présente entre ses extrémités extérieures une gorge annulaire 2h de logement d'un joint 7. Le joint 7 est destiné à venir en appui contre l'alésage 10b pour réaliser une étanchéité au niveau de l'interface tube - carrure. Le joint est du type annulaire. Le joint peut être un joint torique et/ou un joint en élastomère.The tube has between its outer ends an annular groove 2h for housing a seal 7. The seal 7 is intended to come into abutment against the bore 10b to provide a seal at the interface tube - middle part. The seal is of the annular type. The seal can be an O-ring and / or an elastomer seal.

Le tube présente à une de ses extrémités intérieures une portée 2m destinée à constituer une butée de déplacement de la tige.The tube has at one of its inner ends a range 2m intended to constitute a stop for moving the rod.

Le tube présente à l'autre de ses extrémités intérieures des éléments 2a, 2b, 2c de liaison de type baïonnette qui sont détaillés plus bas, notamment en référence à la figure 4. Dans le mode de réalisation représenté, le tube 2 comprend trois protubérances 2c constituant les éléments principaux de la liaison mécanique de type baïonnette sur le tube.The tube has at the other of its internal ends elements 2a, 2b, 2c of bayonet type connection which are detailed below, in particular with reference to the figure 4 . In the embodiment shown, the tube 2 comprises three protrusions 2c constituting the main elements of the mechanical connection of the bayonet type on the tube.

Le tube permet de guider en translation la tige selon l'axe longitudinal A. A cet effet, le tube présente un alésage 2n de guidage de la tige.The tube allows the rod to be guided in translation along the longitudinal axis A. To this end, the tube has a bore 2n for guiding the rod.

Le tube comprend avantageusement une conformation 2i, notamment une découpe de section non circulaire, en particulier polygonale ou à section cannelée ou à section dentée, destinée à permettre l'entraînement du tube en rotation à l'aide d'un outil ayant une conformation au moins sensiblement complémentaire à la conformation 2i. Cette conformation est préférentiellement une découpe qui peut être prévue au niveau de l'extrémité se trouvant à proximité de la surface externe de la carrure comme dans le mode de réalisation représenté. Alternativement, la conformation peut être prévue au niveau de l'extrémité du tube qui est enfoncée dans carrure et/ou la conformation peut être disposée sur la périphérie extérieure du tube.The tube advantageously comprises a conformation 2i, in particular a cutout of non-circular cross-section, in particular polygonal or of fluted section or of toothed section, intended to allow the tube to be driven in rotation using a tool having a conformation at less substantially complementary to the conformation 2i. This conformation is preferably a cut which can be provided at the end located near the outer surface of the middle part as in the embodiment shown. Alternatively, the conformation can be provided at the end of the tube which is pressed into the middle part and / or the conformation can be arranged on the outer periphery of the tube.

Le tube comprend encore au moins une première surface 2j de guidage, notamment un alésage, destinée à coopérer une deuxième surface 3j de guidage, notamment une surface cylindrique. Les première et deuxième surfaces de guidage coopèrent pour guider en liaison pivot glissant la bague dans le tube.The tube also comprises at least a first guide surface 2j, in particular a bore, intended to cooperate a second guide surface 3j, in particular a cylindrical surface. The first and second guide surfaces cooperate to guide in a pivot connection sliding the ring in the tube.

La bague 3 a une forme essentiellement annulaire.The ring 3 has an essentially annular shape.

La bague 3 permet principalement de fournir un appui pour le ressort 5. A cette fin, la bague comprend une portée 3e, notamment une portée 3e dans un alésage.The ring 3 mainly makes it possible to provide support for the spring 5. To this end, the ring includes a bearing 3e, in particular a bearing 3e in a bore.

La bague 3 comprend encore de préférence un alésage 3i de guidage de la tige 4.The ring 3 also preferably includes a bore 3i for guiding the rod 4.

La bague comprend enfin des éléments 3a, 3b, 3c, 3d de liaison de type baïonnette qui sont détaillés plus bas, notamment en référence à la figure 3. Ces éléments coopèrent avec les éléments de liaison 2a, 2b, 2c qui sont prévus sur le tube. Dans le mode de réalisation représenté, la bague 3 présente une géométrie trilobée. Elle comporte trois lobes 3d dotés chacun d'un logement 3d constituant les éléments principaux de la liaison mécanique de type baïonnette sur la bague. Les logements 3d coopèrent avec les protubérances pour constituer la liaison de type baïonnette.The ring finally comprises elements 3a, 3b, 3c, 3d of bayonet type connection which are detailed below, in particular with reference to the figure 3 . These elements cooperate with the connecting elements 2a, 2b, 2c which are provided on the tube. In the embodiment shown, the ring 3 has a three-lobed geometry. It has three 3d lobes each with a 3d housing constituting the main elements of the bayonet-type mechanical connection on the ring. The 3d housings cooperate with the protrusions to form the bayonet-type connection.

En outre, la bague comprend avantageusement une face, notamment une face visible depuis l'intérieur de la boîte de montre, munie d'au moins une empreinte 3f destinées à recevoir un outil de déplacement de la bague relativement au tube. L'au moins une empreinte et l'outil sont conformés de sorte à ce qu'un horloger puisse exercer des actions mécaniques sur la bague. En particulier, l'au moins une empreinte et l'outil sont conformés de sorte à ce qu'un horloger puisse pousser la bague selon l'axe longitudinal A et de sorte à ce qu'il puisse entraîner en rotation la bague autour de l'axe longitudinal A. Ainsi, les actions mécaniques sont de nature à permettre le déplacement de la bague relativement au tube en translation selon l'axe A et/ou le déplacement de la bague relativement au tube en rotation autour de l'axe A.In addition, the ring advantageously comprises a face, in particular a face visible from the inside of the watch case, provided with at least one imprint 3f intended to receive a tool for moving the ring relative to the tube. The at least one imprint and the tool are shaped so that a watchmaker can exert mechanical actions on the ring. In particular, the at least one imprint and the tool are shaped so that a watchmaker can push the ring along the longitudinal axis A and so that it can rotate the ring around the longitudinal axis A. Thus, the mechanical actions are such as to allow the movement of the ring relative to the tube in translation along the axis A and / or the movement of the ring relative to the tube in rotation around the axis A.

La bague comprend de préférence deux, trois, ou quatre empreintes 3f. Avantageusement, l'au moins une empreinte 3f est une empreinte en creux. Dans le mode de réalisation représenté, quatre empreintes ou encoches 3f en creux sont réalisées, comme représenté sur la figure 3.The ring preferably comprises two, three, or four imprints 3f. Advantageously, the at least one imprint 3f is a hollow imprint. In the embodiment shown, four indentations or indentations 3f are made, as shown in the figure 3 .

La tige 4 présente globalement une géométrie cylindrique de révolution autour de l'axe longitudinal A.The rod 4 generally has a cylindrical geometry of revolution around the longitudinal axis A.

La tige présente une première portée 4n destinée à constituée une surface d'appui pour le ressort 5, notamment une extrémité 5b du ressort 5.The rod has a first bearing 4n intended to constitute a bearing surface for the spring 5, in particular one end 5b of the spring 5.

La tige présente une deuxième portée 4m destinée à coopérer avec la portée 2m prévue sur le tube pour arrêter la tige en translation selon l'axe longitudinal A. Lorsque les deux portées sont en contact comme sur la figure 1, la tige est dans une position de repos.The rod has a second range 4m intended to cooperate with the range 2m provided on the tube to stop the rod in translation along the longitudinal axis A. When the two ranges are in contact as on the figure 1 , the rod is in a rest position.

Entre les première et deuxième portées, la tige comprend une gorge annulaire 4h de logement d'un joint 6. Le joint 6 est destiné à venir en appui contre l'alésage 2n pour réaliser une étanchéité au niveau de l'interface tube-tige. Le joint est du type annulaire. Le joint peut être un joint torique et/ou un joint en élastomère.Between the first and second spans, the rod comprises an annular groove 4h for housing a seal 6. The seal 6 is intended to come into abutment against the bore 2n to provide a seal at the tube-rod interface. The seal is of the annular type. The seal can be an O-ring and / or an elastomer seal.

Par ailleurs, la tige 4 comprend une première extrémité 4a destinée à interagir avec l'utilisateur du bouton-poussoir directement ou par l'intermédiaire d'un outil. La première extrémité 4a peut dépasser hors du tube pour que l'utilisateur puisse agir directement sur celle-ci. Alternativement, la première extrémité peut affleurer l'extrémité du tube, voire se trouver un peu en retrait de l'extrémité du tube comme représenté. Dans ce cas, la première extrémité 4a peut présenter une découpe concave de sorte à faciliter l'action d'un outil. Cette conformation est par exemple utilisée pour agir sur un correcteur.Furthermore, the rod 4 comprises a first end 4a intended to interact with the user of the push button directly or by means of a tool. The first end 4a can project out of the tube so that the user can act directly on it. Alternatively, the first end can be flush with the end of the tube, or even be a little behind the end of the tube as shown. In this case, the first end 4a may have a concave cut so as to facilitate the action of a tool. This conformation is for example used to act on a corrector.

La tige 4 comprend une deuxième extrémité 4b destinée à venir en contact avec le mouvement, notamment avec un composant du mouvement, et à agir sur celui-ci lorsque la tige est déplacée en translation selon l'axe longitudinal A.The rod 4 comprises a second end 4b intended to come into contact with the movement, in particular with a component of the movement, and to act on this when the rod is moved in translation along the longitudinal axis A.

Comme vu précédemment, le poussoir comprend un ressort 5. Le ressort 5 est avantageusement un ressort hélicoïdal. La première extrémité 5a du ressort est en appui contre la portée 3e de la bague d'une part et la deuxième extrémité 5b du ressort est en appui contre la portée 4n de la tige d'autre part. Ainsi, le ressort 5 prend appui sur la bague 3 et sur la tige 4 de manière à rappeler la tige dans sa position de repos représentée sur la figure 1, c'est-à-dire avec les surfaces 2m et 4m en contact l'une contre l'autre. De préférence, le ressort est précontraint entre les surfaces 4n et 3e. Dans ce cas, le ressort 5 assure deux fonctions. Le ressort assure une fonction de liaison mécanique comme détaillé plus bas. Le ressort assure aussi une fonction de rappel de la tige dans sa position de repos.As seen previously, the pusher comprises a spring 5. The spring 5 is advantageously a helical spring. The first end 5a of the spring bears against the bearing surface 3 of the ring on the one hand and the second end 5b of the spring bears against the bearing surface 4n of the rod on the other hand. Thus, the spring 5 bears on the ring 3 and on the rod 4 so as to return the rod to its rest position shown on the figure 1 , i.e. with the 2m and 4m surfaces in contact with each other. Preferably, the spring is prestressed between the surfaces 4n and 3e. In this case, the spring 5 performs two functions. The spring performs a mechanical connection function such as detailed below. The spring also provides a function of returning the rod to its rest position.

La tige est ainsi susceptible de se déplacer, sous l'action d'un utilisateur, en translation selon l'axe longitudinal A à l'encontre du ressort 5 de manière à ce que l'extrémité 4b de la tige puisse interagir par exemple avec un composant du mouvement de la pièce d'horlogerie. La tige est rappelée classiquement en position sous l'effet de la restitution du ressort 5 de rappel.The rod is thus able to move, under the action of a user, in translation along the longitudinal axis A against the spring 5 so that the end 4b of the rod can interact for example with a component of the movement of the timepiece. The rod is conventionally returned to position under the effect of the return of the return spring 5.

Globalement, la bague 3 est montée dans le tube 2 de façon à ce que la bague et le tube encapsulent les éléments fonctionnels du poussoir, en particulier la tige 4, le ressort 5 de rappel de la tige 4 et le joint d'étanchéité 6.Overall, the ring 3 is mounted in the tube 2 so that the ring and the tube encapsulate the functional elements of the pusher, in particular the rod 4, the return spring 5 of the rod 4 and the seal 6 .

Par « liaison mécanique de type baïonnette », on entend de préférence une liaison permettant un assemblage d'une première pièce à une deuxième pièce et/ou un désassemblage de la première pièce à la deuxième pièce selon la séquence d'étapes suivantes :

  • pousser la première pièce relativement à la deuxième pièce, notamment contre l'action d'un ressort,
  • tourner la première pièce relativement à la deuxième pièce d'une fraction de tour, c'est-à-dire de moins d'un tour, tout en continuant ou non à pousser la première pièce relativement à la deuxième pièce, notamment contre l'action d'un ressort,
  • arrêter de pousser.
By “bayonet-type mechanical connection” is preferably meant a connection allowing an assembly of a first part to a second part and / or a disassembly of the first part to the second part according to the following sequence of steps:
  • push the first part relative to the second part, in particular against the action of a spring,
  • turn the first piece relative to the second piece by a fraction of a turn, that is to say less than one turn, while continuing or not to push the first piece relative to the second piece, in particular against the spring action,
  • stop pushing.

Lors du désassemblage, l'étape « pousser la première pièce relativement à la deuxième pièce, notamment contre l'action d'un ressort » peut être facultative.During disassembly, the step "pushing the first part relative to the second part, in particular against the action of a spring" may be optional.

Selon une première variante, la liaison mécanique comprend au moins une, de préférence deux, trois ou quatre, protubérance 2c sur le tube. Les protubérances s'étendent radialement, notamment radialement vers l'intérieur du tube, relativement à l'axe longitudinal A. La liaison mécanique comprend au moins un, de préférence deux, trois ou quatre, logements 3d sur la bague. Chaque logement est destiné à recevoir une protubérance. Dans le mode de réalisation représenté, le tube 2 présente trois protubérances 2c s'étendant radialement vers l'intérieur du tube relativement à l'axe longitudinal A et la bague 3 présente trois logements 3d.According to a first variant, the mechanical connection comprises at least one, preferably two, three or four, protrusion 2c on the tube. The protrusions extend radially, in particular radially towards the inside of the tube, relative to the longitudinal axis A. The mechanical connection comprises at least one, preferably two, three or four, 3d housings on the ring. Each housing is intended to receive a protuberance. In the embodiment shown, the tube 2 has three protrusions 2c extending radially inward of the tube relative to the longitudinal axis A and the ring 3 has three housing 3d.

Selon une deuxième variante, la liaison mécanique comprend au moins une, de préférence deux, trois ou quatre, protubérance sur le tube. Les protubérances s'étendant radialement, notamment radialement vers l'extérieur du tube, relativement à l'axe longitudinal. La liaison mécanique comprend au moins un, de préférence deux, trois ou quatre, logements sur le tube, les logements étant destinés à recevoir chacun une protubérance.According to a second variant, the mechanical connection comprises at least one, preferably two, three or four, protrusion on the tube. The protrusions extending radially, in particular radially towards the outside of the tube, relative to the longitudinal axis. The mechanical connection comprises at least one, preferably two, three or four, housings on the tube, the housings being intended to each receive a protuberance.

En alternative à ces deux variantes, l'au moins une protubérance peut être prévue sur la bague et peut coopérer avec l'au moins un logement prévu sur le tube.As an alternative to these two variants, the at least one protuberance can be provided on the ring and can cooperate with the at least one housing provided on the tube.

La liaison mécanique comprend au moins une première butée axiale 2a prévue sur le tube et au moins une deuxième butée axiale 3a prévue sur la bague. Les première et deuxième butées axiales sont prévues pour coopérer par obstacle pour arrêter la bague en translation axiale selon l'axe longitudinal A relativement au tube. Le ressort 5 plaque les premières butées axiales et les deuxièmes butées axiales les unes contre les autres.The mechanical connection comprises at least a first axial stop 2a provided on the tube and at least a second axial stop 3a provided on the ring. The first and second axial stops are provided to cooperate by obstacle to stop the ring in axial translation along the longitudinal axis A relative to the tube. The spring 5 presses the first axial stops and the second axial stops against each other.

Dans le mode de réalisation représenté, trois premières butées 3a sont constituées par des surfaces des logements 3d. Notamment, ces surfaces peuvent être des portions, notamment des portions annulaires, de plans perpendiculaires à l'axe longitudinal A, en particulier des portions annulaires d'un plan perpendiculaire à l'axe longitudinal A. Trois deuxièmes butées 2a sont constituées par des surfaces des protubérances 2c. Notamment, ces surfaces peuvent être des portions, notamment des portions annulaires, de plans perpendiculaires à l'axe longitudinal A, en particulier des portions annulaires d'un plan P1' perpendiculaire à l'axe longitudinal A.In the embodiment shown, three first stops 3a are formed by surfaces of the 3d housings. In particular, these surfaces can be portions, in particular annular portions, of planes perpendicular to the longitudinal axis A, in particular annular portions of a plane perpendicular to the longitudinal axis A. Three second stops 2a are formed by surfaces protrusions 2c. In particular, these surfaces can be portions, in particular annular portions, of planes perpendicular to the longitudinal axis A, in particular annular portions of a plane P1 'perpendicular to the longitudinal axis A.

En variante, l'au moins une première butée axiale 2a et l'au moins une deuxième butée axiale 3a peuvent ne pas être planes. Elles sont de préférence complémentaires. L'au moins une première butée axiale 2a et l'au moins une deuxième butée axiale 3a peuvent présenter des surfaces hélicoïdales.Alternatively, the at least one first axial stop 2a and the at least one second axial stop 3a may not be planar. They are preferably complementary. The at least one first axial stop 2a and the at least one second axial stop 3a can have helical surfaces.

La liaison mécanique comprend le ressort 5. Le ressort permet de rappeler l'au moins une première butée axiale 2a contre l'au moins une deuxième butée axiale 3a. Lorsque la bague 3 est assemblée au sein du tube 2, les surfaces 3a de la bague 3 sont donc en appui à l'encontre des surfaces 2a du tube 2 sous l'effet de l'effort presseur du ressort 5.The mechanical connection comprises the spring 5. The spring makes it possible to return the at least one first axial stop 2a against the at least one second axial stop 3a. When the ring 3 is assembled within the tube 2, the surfaces 3a of the ring 3 are therefore in abutment against the surfaces 2a of the tube 2 under the effect of the pressing force of the spring 5.

Dans un mode de réalisation non représenté, le ressort pourrait être en appui contre la surface 3e et contre une portée dans l'alésage du tube. Dans ce cas, le ressort n'est pas en appui contre la tige. Ainsi, le ressort n'a qu'une fonction d'assemblage de la bague au tube, notamment la fonction de rappeler l'au moins une première butée axiale 2a contre l'au moins une deuxième butée axiale 3a. Dans ce mode de réalisation, la tige est rappelée dans sa position de repos par un autre ressort. Cet autre ressort peut être prévu dans le poussoir ou dans le mouvement d'horlogerie.In an embodiment not shown, the spring could be in abutment against the surface 3e and against a bearing in the bore of the tube. In this case, the spring is not in abutment against the rod. Thus, the spring has only a function of assembling the ring to the tube, in particular the function of recalling the at least one first axial stop 2a against the at least one second axial stop 3a. In this embodiment, the rod is returned to its rest position by another spring. This another spring may be provided in the pusher or in the watch movement.

Les trois premières butées axiales 2a s'étendent de préférence chacune sur un secteur angulaire compris entre 30° et 50° autour de l'axe longitudinal A et les trois deuxièmes butées axiales 3a s'étendent chacune sur un secteur angulaire compris entre 30° et 50° autour de l'axe longitudinal A.The first three axial stops 2a preferably each extend over an angular sector comprised between 30 ° and 50 ° around the longitudinal axis A and the three second axial stops 3a each extend over an angular sector comprised between 30 ° and 50 ° around the longitudinal axis A.

Les premières butées axiales 2a sont avantageusement réparties régulièrement angulairement autour de l'axe longitudinal A. De même, les deuxièmes butées axiales 3a sont avantageusement réparties régulièrement angulairement autour de l'axe longitudinal A.The first axial stops 2a are advantageously distributed regularly angularly around the longitudinal axis A. Similarly, the second axial stops 3a are advantageously distributed regularly angularly around the longitudinal axis A.

La liaison mécanique comprend au moins une première butée latérale 2b, de préférence au moins deux premières butées latérales 2b, prévue sur le tube et au moins une deuxième butée latérale 3b, de préférence au moins deux deuxièmes butées latérales 3b, prévue sur la bague. Les première et deuxième butées latérales sont prévues pour coopérer par obstacle pour arrêter la bague en rotation autour l'axe longitudinal A relativement au tube dans au moins un sens de rotation, de préférence selon les deux sens de rotation. Ainsi, l'ébattement en rotation de la bague 3 au sein du tube 2 est délimité.The mechanical connection comprises at least a first lateral stop 2b, preferably at least two first lateral stops 2b, provided on the tube and at least a second lateral stop 3b, preferably at least two second lateral stops 3b, provided on the ring. The first and second lateral stops are provided to cooperate by obstacle to stop the ring in rotation about the longitudinal axis A relative to the tube in at least one direction of rotation, preferably in both directions of rotation. Thus, the rotational deflection of the ring 3 within the tube 2 is defined.

L'au moins une deuxième butée latérale 3b peut comprendre ou être constituée par au moins un rebord 3b s'étendant selon l'axe longitudinal A depuis une deuxième butée axiale 3a. De préférence, chaque deuxième butée latérale 3b comprend un rebord 3b s'étendant selon l'axe longitudinal A depuis une deuxième butée axiale 3a. De préférence encore, les deuxièmes butées latérales 3b comprennent ou sont constituées par deux rebords 3b s'étendant selon l'axe longitudinal A depuis chaque deuxième butée axiale 3a comme représenté sur la figure 3. De préférence, les butées latérales sont des rebords prévus au niveau des logements 3d. Les deuxièmes butées latérales coopèrent avec des premières butées latérales 2b constituées par des parois latérales des protubérances 2c.The at least one second lateral stop 3b may comprise or be constituted by at least one flange 3b extending along the longitudinal axis A from a second axial stop 3a. Preferably, each second lateral stop 3b comprises a flange 3b extending along the longitudinal axis A from a second axial stop 3a. More preferably, the second lateral stops 3b comprise or consist of two flanges 3b extending along the longitudinal axis A from each second axial stop 3a as shown in the figure 3 . Preferably, the lateral stops are flanges provided at the level of the 3d housings. The second lateral stops cooperate with first lateral stops 2b constituted by side walls of the protrusions 2c.

Alternativement, l'au moins une première butée latérale 2b comprend au moins un rebord s'étendant selon l'axe longitudinal depuis une première butée axiale 2a.Alternatively, the at least one first lateral stop 2b comprises at least one flange extending along the longitudinal axis from a first axial stop 2a.

Par « rebord », nous entendons de préférence une conformation en relief ou en bosse formée sur une surface de butée axiale ou depuis une surface de butée axiale.By "flange", we preferably mean a relief or raised conformation formed on an axial abutment surface or from an axial abutment surface.

En variante, l'au moins une première butée axiale 2a peut présenter une surface concave et l'au moins une deuxième butée axiale 3a peut présenter une surface convexe. Les surfaces concaves et convexes sont de préférence complémentaires ou sensiblement complémentaires.Alternatively, the at least one first axial stop 2a can have a concave surface and the at least one second axial stop 3a can have a convex surface. The concave and convex surfaces are preferably complementary or substantially complementary.

En variante, l'au moins une première butée axiale 2a peut présenter une surface convexe et l'au moins une deuxième butée axiale 3a peut présenter une surface concave. Les surfaces concaves et convexes sont de préférence complémentaires ou sensiblement complémentaires.Alternatively, the at least one first axial stop 2a can have a convex surface and the at least one second axial stop 3a can have a concave surface. The concave and convex surfaces are preferably complementary or substantially complementary.

Dans le cas de ces deux variantes, il est possible de se passer des butées latérales. En effet, lorsque les premières et deuxièmes butées axiales sont en contact, un couple s'oppose à la rotation de la bague relativement au tube, car cette rotation implique une compression du ressort assurant le rappel des premières et deuxièmes butées axiales les unes contre les autres.In the case of these two variants, it is possible to do without the lateral stops. Indeed, when the first and second axial stops are in contact, a couple opposes the rotation of the ring relative to the tube, because this rotation implies a compression of the spring ensuring the return of the first and second axial stops against each other. other.

La pièce 2 ou 3 comprenant les logements peut présenter des rainures de guidages des protubérances de l'autre pièce 3 ou 2, ces rainures étant agencées de sorte à guider les protubérances entre les logements et une extrémité de la pièce comprenant les logements.The part 2 or 3 comprising the housings may have grooves for guiding the protuberances of the other part 3 or 2, these grooves being arranged so as to guide the protuberances between the housings and one end of the part comprising the housings.

Préférentiellement, les protubérances et/ou les logements sont obtenus par enlèvement de matière.Preferably, the protrusions and / or the housings are obtained by removing material.

Un mode d'exécution d'un procédé de montage ou d'assemblage d'un poussoir est décrit ci-après.An embodiment of a method of mounting or assembling a pusher is described below.

Le procédé comprend les étapes suivantes :

  • Fournir une tige 4, un tube 2 de guidage de la tige 4 et un ressort 5, notamment un ressort de rappel de la tige ;
  • Introduire la tige 4 et le ressort dans le tube 2 de guidage selon l'axe longitudinal A ;
  • Fournir une bague 3 ;
  • Introduire la bague dans le tube ou le tube dans la bague en exerçant un effort axial F, notamment un effort axial F opposé à un effort produit par le ressort 5 (figure 6) ;
  • Tourner la bague relativement au tube d'une fraction de tour autour de l'axe longitudinal A en maintenant ou non l'effort axial (figure 7) ;
  • Relâcher l'effort axial (figure 8).
The process includes the following steps:
  • Provide a rod 4, a tube 2 for guiding the rod 4 and a spring 5, in particular a return spring for the rod;
  • Introduce the rod 4 and the spring into the guide tube 2 along the longitudinal axis A;
  • Provide a ring 3;
  • Introduce the ring into the tube or the tube into the ring by exerting an axial force F, in particular an axial force F opposite to a force produced by the spring 5 ( figure 6 );
  • Rotate the ring relative to the tube a fraction of a turn around the longitudinal axis A while maintaining or not the axial force ( figure 7 );
  • Release the axial force ( figure 8 ).

Dans la troisième étape d'assemblage, la bague 3 est disposée en regard du tube 2 de façon à ce que les logements 3d se situent entre deux protubérances 2c. Il est ainsi possible d'insérer la bague 3 au sein du tube 2 à l'encontre du ressort 5. La bague est déplacée relativement au tube d'une distance au moins égale à la hauteur 20c des protubérances 2c (mesurée selon l'axe longitudinal A). Dans la cinquième étape d'assemblage, la bague 3 est tournée d'un angle de l'ordre de 60° de façon à permettre la mise en regard des surfaces 2a et 3a. Il est ainsi possible, dans la sixième étape d'assemblage (figure 8) de laisser la bague 3 venir se plaquer à l'encontre du tube 2 sous l'effet de l'effort presseur du ressort 5.In the third assembly step, the ring 3 is arranged opposite the tube 2 so that the 3d housings are located between two protrusions 2c. It is thus possible to insert the ring 3 within the tube 2 against the spring 5. The ring is moved relative to the tube by a distance at least equal to the height 20c of the protrusions 2c (measured along the axis longitudinal A). In the fifth assembly step, the ring 3 is rotated by an angle of around 60 ° so as to allow the surfaces 2a and 3a to face each other. It is thus possible, in the sixth assembly step ( figure 8 ) to let the ring 3 come to press against the tube 2 under the effect of the pressing force of the spring 5.

Un mode d'exécution d'un procédé de démontage ou de dépose d'un poussoir est décrit ci-après.An embodiment of a method of disassembling or removing a pusher is described below.

Le procédé comprend les étapes suivantes :

  • Appliquer un effort axial F sur la bague ;
  • Tourner la bague relativement au tube d'une fraction de tour autour de l'axe longitudinal A, notamment en maintenant l'effort axial ;
  • Relâcher l'effort axial.
The process includes the following steps:
  • Apply an axial force F on the ring;
  • Rotate the ring relative to the tube a fraction of a turn around the longitudinal axis A, in particular while maintaining the axial force;
  • Release the axial force.

Le démontage de la bague 3 au sein du tube 2 s'effectue donc de manière semblable, en inversant les mouvements relatifs de la bague relativement au tube. Il est toutefois à noter que l'étape « Appliquer un effort axial F sur la bague » est facultative, en particulier avec un poussoir qui ne comprend pas de butée latérale.The disassembly of the ring 3 within the tube 2 is therefore carried out in a similar manner, by reversing the relative movements of the ring relative to the tube. It should however be noted that the step "Apply an axial force F to the ring" is optional, in particular with a pusher which does not include a lateral stop.

Afin de faciliter le montage et/ou le démontage, la bague et le tube présentent des repères ou des détrompeurs visuels. Ces repères peuvent comprendre des découpes 2g et 3g. Ces repères permettent de donner une indication de la position angulaire de la bague relativement au tube autour de l'axe longitudinal A. Par exemple, en configuration assemblée, ces repères 2g et 3g peuvent coïncider ou se situer en regard l'un de l'autre, comme représenté sur la figure 9. Ces détrompeurs permettent de faciliter le contrôle du positionnement de la bague 3 dans le tube 2.In order to facilitate assembly and / or disassembly, the ring and the tube have visual markers or polarizers. These markers can include 2g and 3g cutouts. These marks make it possible to give an indication of the angular position of the ring relative to the tube around the longitudinal axis A. For example, in the assembled configuration, these marks 2g and 3g can coincide or lie opposite one of the other, as shown in the figure 9 . These polarizers make it easier to control the positioning of the ring 3 in the tube 2.

Le poussoir peut être monté sur la carrure de façon assemblé selon le procédé de montage ou d'assemblage de poussoir précité, c'est-à-dire après avoir été assemblé selon le procédé de montage ou d'assemblage de poussoir précité. Alternativement, seul le tube peut préalablement être monté sur la carrure pour procéder ensuite à l'assemblage du bouton-poussoir selon le procédé de montage ou d'assemblage de poussoir précité.The pusher can be mounted on the middle part in an assembled manner according to the aforementioned pusher assembly or assembly method, that is to say after having been assembled according to the aforementioned pusher assembly or assembly method. Alternatively, only the tube can be previously mounted on the middle part to then proceed to the assembly of the push button according to the aforementioned method of mounting or assembly of the push button.

Le poussoir dans son ensemble peut être démonté de la carrure avant de mettre en œuvre le procédé de démontage ou de dépose de poussoir précité. Alternativement, seul le tube peut être démonté de la carrure en ayant préalablement procédé au démontage du bouton-poussoir selon le procédé de démontage ou de dépose de poussoir précité.The pusher as a whole can be removed from the middle before implementing the aforementioned method of dismantling or removing the pusher. Alternatively, only the tube can be removed from the middle by having previously disassembled the push button according to the disassembly or removal process of the aforementioned push button.

Une telle solution d'assemblage ou de désassemblage de poussoir, notamment une telle solution d'assemblage ou de désassemblage de la bague 3 au sein du tube 2 est particulièrement avantageuse dans la mesure où le couple de maintien en position angulaire de la bague 3 se limite à une valeur qui est sensiblement proportionnelle à l'effort presseur induit par le ressort de rappel 5. Ainsi, une telle solution est particulièrement adaptée à la mise en œuvre d'un tube 2 lié à la carrure 10 par le biais d'une liaison démontable. Le couple de maintien en position angulaire de la bague 3 au sein du tube 2 est en effet sensiblement inférieur au couple de dévissage du tube. Ainsi, il est possible de démonter les éléments du bouton-poussoir logés au sein du tube sans risque de prétériter la liaison entre le tube et la carrure, tout en proposant un tube 2, et donc un bouton-poussoir complet, démontable de la carrure de la boîte de montre.Such a solution for assembling or disassembling a pusher, in particular such a solution for assembling or disassembling the ring 3 within the tube 2 is particularly advantageous insofar as the torque for holding the angular position of the ring 3 limit to a value which is substantially proportional to the pressing force induced by the return spring 5. Thus, such a solution is particularly suitable for the implementation of a tube 2 linked to the middle part 10 by means of a removable link. The holding torque in angular position of the ring 3 within the tube 2 is in fact substantially less than the unscrewing torque of the tube. Thus, it is possible to dismantle the elements of the push button housed within the tube without the risk of preteritating the connection between the tube and the middle part, while proposing a tube 2, and therefore a complete push button, removable from the middle part from the watch case.

Grâce à la structure de poussoir décrite précédemment, il est possible d'ôter facilement les composants bague 3, tige 4 et ressort 5 du tube 2 depuis l'intérieur de la carrure dans le cadre d'une opération de service après vente. Ceci permet notamment d'introduire un cône de démontage dans la denture 2i du tube 2 dans le cas où cette dernière est abimée et/ou ne peut plus recevoir l'outil prévu pour l'actionner de manière conventionnelle.Thanks to the pusher structure described above, it is possible to easily remove the components ring 3, rod 4 and spring 5 of the tube 2 from the inside of the middle part as part of an after-sales service operation. This allows in particular to introduce a dismantling cone into the teeth 2i of the tube 2 in the case where the latter is damaged and / or can no longer receive the tool provided for actuating it in a conventional manner.

Claims (15)

  1. The button (1) for a timepiece comprising:
    - a rod (4);
    - a tube (2) to guide the rod (4) along a longitudinal axis (A);
    - a ring (3);
    - a spring (5) between the ring and the rod ; and
    - a mechanical connection (3d, 2c) of the bayonet type between the ring and the tube.
  2. The button as claimed in the preceding claim, wherein the spring (5) is a helical spring and/or a spring (5) for return of the rod to a position of rest.
  3. The button as claimed in one of the preceding claims, wherein:
    - the mechanical connection comprises at least one, preferably two, three or four protuberances (2c) extending radially on the tube, in particular radially towards the inside of the tube, and/or towards the outside of the tube, relative to the longitudinal axis, and comprises at least one, preferably two, three or four housings (3d) in the ring, the housings each being designed to receive a protuberance; and/or
    - the mechanical connection of the bayonet type comprises at least one, preferably two, three or four protuberances which extend on the ring radially, in particular radially towards the inside of the ring and/or towards the outside of the ring, relative to the longitudinal axis, and comprises at least one, preferably two, three or four housings in the tube, the housings each being designed to receive a protuberance.
  4. The button as claimed in one of the preceding claims, wherein the mechanical connection comprises at least one first axial stop (2a), provided on the tube, and at least one second axial stop (3a), provided on the ring, the first and second axial stops being designed to cooperate in the form of an obstacle in order to stop the ring in axial translation along the longitudinal axis (A) relative to the tube.
  5. The button as claimed in one of the preceding claims, wherein the mechanical connection comprises at least one first lateral stop (2b), preferably at least two first lateral stops (2b), provided on the tube, and at least one second lateral stop (3b), preferably at least two second lateral stops (3b), provided on the ring, the first and second lateral stops being designed to cooperate in the form of an obstacle in order to stop the ring in rotation according to the longitudinal axis (A), relative to the tube, in at least one direction of rotation.
  6. The button as claimed in claims 4 and 5, wherein the at least one first lateral stop comprises at least one rim which extends along the longitudinal axis from a first axial stop, or wherein the at least one second lateral stop (3b) comprises at least one rim (3b) which extends along the longitudinal axis (A), from a second axial stop (3a).
  7. The button as claimed in one of the preceding claims, wherein the tube comprises three first axial stops (2a) each extending over an angular sector of between 30° and 50° around the longitudinal axis (A), and/or wherein the tube comprises three first axial stops (2a) distributed angularly regularly around the longitudinal axis (A), and/or wherein the ring comprises three second axial stops (3a) each extending over an angular sector of between 30° and 50° around the longitudinal axis (A), and/or wherein the ring comprises three second axial stops (3a) distributed angularly regularly around the longitudinal axis (A).
  8. The button as claimed in one of the preceding claims, wherein the tube comprises an outer thread (2f) which is designed to allow it to be screwed into a middle (10), and/or the tube comprises an annular groove (2h) for accommodation of a gasket (7), and/or wherein the tube comprises a shape (2i), in particular a bore with a non-circular cross-section, in particular which is polygonal or has a splined or toothed cross-section, designed to allow the tube to be rotated by means of a tool with a shape which is substantially complementary to the shape (2i), and/or wherein the tube comprises at least one first guide surface (2j), and the ring comprises at least one second guide surface (3j), the first and second surfaces cooperating in order to guide the ring in the tube in sliding pivot connection.
  9. The button as claimed in one of the preceding claims, wherein the ring (3) comprises a bore (3i) for guiding the rod (4).
  10. The button as claimed in one of the preceding claims, wherein the ring comprises a face provided with at least one indentation (3f), in particular two, three or four indentations (3f), in particular two, three or four hollow indentations (3f), designed to receive a tool for displacement of the ring relative to the tube, in particular a tool for displacement along the longitudinal axis in translation and/or in rotation of the ring relative to the tube.
  11. A middle device (100) of a watch case comprising a button (1) as claimed in one of the preceding claims.
  12. A watch case (110) comprising a middle as claimed in the preceding claim, or a button as claimed in one of claims 1 to 10.
  13. A timepiece (120), in particular a wristwatch, comprising a watch case as claimed in the preceding claim, or a middle device as claimed in claim 11, or a button as claimed in one of claims 1 to 10.
  14. A process for fitting or assembling a button as claimed in one of claims 1 to 10, the process comprising the following steps:
    - providing a rod (4), a tube (2) for guiding of the rod (4) along a longitudinal axis (A) and a spring (5), in particular a spring for return of the rod to a position of rest;
    - providing a ring (3);
    - introducing the ring into the tube or the tube into the ring by exerting an axial force (F), in particular an axial force (F) which opposes a force produced by the spring (5);
    - turning the ring relative to the tube by a fraction of a turn around the longitudinal axis (A) in particular whilst maintaining the axial force;
    - releasing the axial force.
  15. The process for dismounting or disassembling a button as claimed in one of claims 1 to 10, the process comprising the following steps:
    - turning the ring relative to the tube by a fraction of a turn around the longitudinal axis (A) in particular whilst applying an axial force or after having applied an axial force;
    - releasing the axial force.
EP16206881.1A 2016-12-23 2016-12-23 Push-button for a timepiece Active EP3339966B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP16206881.1A EP3339966B1 (en) 2016-12-23 2016-12-23 Push-button for a timepiece
JP2017240233A JP7096663B2 (en) 2016-12-23 2017-12-15 Clock button
US15/848,810 US11188028B2 (en) 2016-12-23 2017-12-20 Button for a timepiece
CN201711404387.7A CN108241286B (en) 2016-12-23 2017-12-22 Push-button for a timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16206881.1A EP3339966B1 (en) 2016-12-23 2016-12-23 Push-button for a timepiece

Publications (2)

Publication Number Publication Date
EP3339966A1 EP3339966A1 (en) 2018-06-27
EP3339966B1 true EP3339966B1 (en) 2020-06-24

Family

ID=57609805

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16206881.1A Active EP3339966B1 (en) 2016-12-23 2016-12-23 Push-button for a timepiece

Country Status (4)

Country Link
US (1) US11188028B2 (en)
EP (1) EP3339966B1 (en)
JP (1) JP7096663B2 (en)
CN (1) CN108241286B (en)

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Also Published As

Publication number Publication date
JP2018155729A (en) 2018-10-04
CN108241286B (en) 2022-04-01
US11188028B2 (en) 2021-11-30
JP7096663B2 (en) 2022-07-06
EP3339966A1 (en) 2018-06-27
CN108241286A (en) 2018-07-03
US20180181068A1 (en) 2018-06-28

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