EP3407144A2 - Timepiece comprising a device for locking a pusher - Google Patents

Timepiece comprising a device for locking a pusher Download PDF

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Publication number
EP3407144A2
EP3407144A2 EP18172258.8A EP18172258A EP3407144A2 EP 3407144 A2 EP3407144 A2 EP 3407144A2 EP 18172258 A EP18172258 A EP 18172258A EP 3407144 A2 EP3407144 A2 EP 3407144A2
Authority
EP
European Patent Office
Prior art keywords
locking
pusher
axis
timepiece according
locking member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18172258.8A
Other languages
German (de)
French (fr)
Other versions
EP3407144A3 (en
EP3407144B1 (en
Inventor
Philippe Loetscher
Gregory Kissling
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.)
Omega SA
Original Assignee
Omega 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 Omega SA filed Critical Omega SA
Publication of EP3407144A2 publication Critical patent/EP3407144A2/en
Publication of EP3407144A3 publication Critical patent/EP3407144A3/en
Application granted granted Critical
Publication of EP3407144B1 publication Critical patent/EP3407144B1/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
    • G04B37/00—Cases
    • G04B37/0091—Cases for clock parts, e.g. for the escapement or the electric motor
    • 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
    • G04B3/043—Locking of the operating element, also by mounting in a concealed place
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/18—Graduations on the crystal or glass, on the bezel, or on the rim
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • G04B19/283—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel
    • 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
    • G04B3/001—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously by push button
    • 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
    • G04B3/045—Storing the operating element, also bringing it out of storage
    • 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
    • G04B3/046—Operation by rotation and axial movement with extra function of axial shift of operating element, e.g. crown combined with push button
    • 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
    • G04B37/0008—Cases for pocket watches and wrist watches
    • 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
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/06—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass
    • G04B47/066—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass with a pressure sensor
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0866—Special arrangements

Definitions

  • the present invention relates to the field of watchmaking. It relates more particularly to a timepiece comprising a locking device for a pusher operable by a user of the timepiece, including a push button.
  • timepieces comprising a locking device that makes it possible to disable a push button.
  • These devices are intended to prevent the accidental actuation of the push button or, for diving watches, to avoid actuation of the push button under the effect of external pressure.
  • the demand CH678138 proposes a screwed pusher which can be immobilized by a threaded ring, coaxial with the pusher.
  • the threaded ring is aimed at the pendant of the pusher and can bear under the head of the pusher to prevent its actuation.
  • Requirement US9105413 describes a variant of this device.
  • Requirement CH707595 has a lockable watch pusher with a rotary ring coaxial with the pusher and whose rotation causes the axial displacement of a socket capable of bearing under the head of the pusher.
  • the push buttons provided with such a locking device have a massive appearance.
  • the pitch of screw used to transform the rotational movement in translation must be small enough so that the transformation is not reversible accidentally, that is to say that the friction is sufficient to oppose a inadvertent unscrewing.
  • a significant handling time due to the large number of rotations of the control ring, is necessary to switch the device between its locked and unlocked states.
  • the locking operation can be particularly tedious because it must be performed successively for each of the pushers.
  • Pusher locking devices are also known which partially provide a solution to the problem mentioned above.
  • the document US 2010/014233 proposes to block the actuation of a pusher by a movable frame vertically, perpendicular to the axis of actuation of the pusher.
  • This frame defines an upper stop for the pusher, which is placed behind the pusher head according to the position of a rotating bezel which serves as control member of the locking device.
  • the frame and therefore the stop are arranged under the rotating bezel to be able to be actuated directly by a surface bottom of this rotating bezel.
  • This embodiment has a first disadvantage in that the rear portion of the pusher head must be inserted into the watch case when the pusher is in its rest position (pusher not actuated).
  • a second disadvantage comes from the fact that the pusher is locked by a small stop acting only against the upper part of the pusher head.
  • a third drawback arises from the fact that the locking device is bulky, in particular the frame which moves vertically in the middle part, which must have an obvious for this purpose. In addition, the vertical movement of the frame requires a relatively high housing to allow this movement inside this housing.
  • Document is also known EP 1 582 945 , figures 7.8 and 11, a device for locking a pusher in which a tube and a piston passing through this tube are integral with the head of the pusher, the tube being fixed to this head and the piston being arranged movable in the tube between two vertical positions, that is to say between two positions along an axis perpendicular to the axis of actuation of the pusher.
  • a rotating bezel has a groove in its lower surface, one end of the piston being housed in this groove. This groove has a portion (45) with a depth which varies so as to allow actuation of the piston in the tube between two extreme positions which respectively define a locking position and an unlocking position of the pusher.
  • the present invention aims to overcome the various disadvantages of the prior art by providing a timepiece provided with a locking device of at least one pusher which is less bulky, more discreet and easier to use.
  • the present invention relates to a timepiece comprising a housing, a pusher mounted in a middle of the housing and a locking device adapted to lock the pusher, this pusher being arranged to be able to undergo a translation along an axis actuation of the pusher by a user.
  • the locking device comprises a locking member and a control member arranged to control the movement of the locking member between a locking position and an unlocking position in which the pusher is respectively locked and free in translation.
  • the control member extends in a general plane parallel to said actuating axis and is arranged movable in this general plane between a first position and a corresponding second position, for the locking member driven by the control member, respectively at the locking and unlocking positions.
  • the locking member is arranged movable in translation along the axis of actuation and can be displaced by the control member along the axis of actuation between the position locking, where it forms an axial stop for the pusher, and the unlocking position set back from the locking position.
  • the control member comprises means for driving the locking member along the axis of actuation.
  • the timepiece comprises a telescope and the control member is formed by an intermediate ring mounted between the caseband and the bezel, this ring being able to rotate about an axis substantially perpendicular to the case. actuation axis.
  • the timepiece comprises a rotating bezel forming the control member.
  • the locking member is a cylindrical sleeve surrounding the pusher and arranged movable along the axis of actuation of the pusher.
  • the locking member is a slider arranged movable along the axis of actuation of the pusher.
  • the pusher comprises a head and the locking member is adapted to be positioned, to lock it, at a short distance from this head or against it.
  • control member has a radial positioning cam of the locking member cooperating with a follower means that comprises the locking member.
  • the timepiece comprises an elastic return means tending to maintain the follower means in contact with the cam.
  • the cam is formed by a groove and the follower means is a lug inserted in this groove.
  • the cam is formed by a rib / rail protruding under the control member and the follower means is a notch machined in the locking member.
  • the locking device comprises a visual means facilitating the recognition of the position of the locking member.
  • the locking device comprises a positioning means provided for holding in place the control member in its first and second positions which thus define two stable positions.
  • each of the first and second positions of the control member is provided by a hard point, for example formed of a ball mounted on an elastic element.
  • the figures show partial sectional views of a timepiece revealing a pushbutton arranged in the middle part 2 of the housing 1 and its locking device.
  • the push button forms in particular a control member of a chronograph mechanism.
  • This pushbutton is composed of a pendant 3, screwed into a tapping that includes the middle part 2, and a pusher 4 extending partially outside the timepiece to be operable by a user .
  • the pusher 4 comprises a head 5 and a rod 6 slidable in an opening that has the pendant 3 along an axis of actuation 20 through the middle parallel to the general plane of the housing.
  • a first spring 7 tends to maintain the pusher 4 in distal position with reference to the middle part 2 (as shown in all the figures).
  • the timepiece comprises a locking device comprising a locking member 8 movable in translation along the axis of actuation 20.
  • the locking member 8 is formed by a cylindrical sleeve 8a surrounding the pusher 4, the sleeve having an inner shoulder defining a stop 12 for the head 5 of the pusher at least when the locking device is in its locking position.
  • the locking device also comprises a control member 10 rotatably mounted with reference to the middle part 2, about an axis perpendicular to the general plane of the housing 1, and therefore perpendicular to the actuating axis 20.
  • the organ control device extends in the general plane of the housing which is substantially parallel to the axis of actuation and is arranged movable in this general plane between a first position and a second position respectively corresponding to the locking and unlocking positions of the device locking.
  • the control member 10 extends at least partially outside the housing so as to be easily operable by a user.
  • the control member is a rotating ring 10 mounted between the middle part 2 and a bezel 11 that comprises the housing 1.
  • the locking member 8 can be moved between a locking position shown in FIGS. Figures 1 and 2 and an unlock position shown at Figures 3 and 4 .
  • a stop 12 of the locking member 8 is placed directly under the head 5 of the pusher 4 to substantially block the pusher 4 in translation and thus prevent its actuation to perform the function associated with this button.
  • the unlocking position the locking member has been translated along the axis of actuation so as to release the pusher 4 in translation and to make it operational.
  • control member 10 which is kinematically connected to the locking member 8.
  • control member 10 comprises driving means cooperating with a follower means that comprises the locking member 8.
  • the drive means are formed by a cam 13a and an elastic return means 15 while the follower means is formed by a lug 14a engaging the cam 13a and acting as follower cam.
  • the elastic return means 15 (In particular a helical spring) makes it possible to maintain the lug 14a in contact with the cam 13a in the two actuating directions of the control member.
  • the cam 13a is defined by a lateral surface of an internal recess of the rotating ring 10 whose profile has a monotonic radial variation between two angular positions respectively defining a first position and a second position corresponding to the locking positions. and unlocking.
  • the locking device preferably comprises a positioning means arranged to hold the control member in place in the first and second positions mentioned above.
  • the control member may be pivotally mounted with greasy friction, which may be sufficient to ensure its maintenance in said first and second positions.
  • the positioning means shown in the figures is firstly formed by the slope of the cam 13a substantially zero at its two ends 13c which respectively define said first and second positions. The slope of the cam is considered in a circular reference, so that a zero slope corresponds to a circular path.
  • the positioning can also be achieved or reinforced by the fact that the lug 14a is held radially in its two extreme radial positions, corresponding to the first and second positions, on the one hand by an inner tongue 16 formed in the rotating ring 10 and on the other hand by a bearing surface defined by the middle part 2.
  • the slope of the cam in the central zone causes a relatively rapid displacement of the locking member in response to a small angular displacement of the control member, while that the substantially zero slope at the ends 13c of the cam prevents the transmission of a torque of the follower member to the control member.
  • a rotation of about thirty degrees of rotating ring makes it possible to move the locking member in both directions between its locking and unlocking positions.
  • the positioning means of the control member comprises hard points that must be exceeded just before reaching said first and second positions and therefore either the locking position or the unlocking position. This makes it possible to further secure the two functional positions of the control member.
  • the passage of a hard point further provides a tactile indication of the locking or unlocking to the user.
  • the locking member is a slider 8b slidable in the direction of the axis of actuation of the pusher in a radial slide 9 that includes the middle part.
  • the slide 9 may have a dovetail shape or any other suitable profile.
  • control member 10 is directly formed by a rotating bezel 11 that includes or supports the housing.
  • the cam is formed by a groove 13b at least partially housing the lug 14a and having substantially the width of the diameter of the lug.
  • This configuration corresponds to a desmodromic control for which the elastic return means of the drive means of the locking member can be eliminated in order to limit the size of the locking device. It can however be interesting to keep a low elastic return means in this case to make up the play between the parts and eliminate small parasitic translations of the locking member.
  • the cam may equally well be a protruding rib and the follower means a notch machined in the locking member and receiving the rib, the sliding of the rib in the notch causing the radial displacement of the locking member.
  • the locking device may also include a visual means facilitating recognition of the position of the locking member.
  • This visual means typically a marking, can be located on the control member or directly on the locking member.
  • the locking member is concealed in the unlocking position while it is visible in the locking position.
  • the visibility of the locking member which can be enhanced by a bright color, is in this case the visual means that allows to know his position.
  • control member 10 has a plurality of grooves 13b, respectively several cams 13a to lock simultaneously several pushers.
  • the various proposed solutions allow for locking devices for one or more pushers that are easier and faster to use by locking with a single gesture.
  • the fact that the locking member can be fully retracted into the middle part makes the locking device discrete.
  • the actuation of a conventional pusher is not made less easy by the presence of the locking device when the latter is placed in the unlocking position.
  • the fact of deporting the control member at the level of the telescope makes it possible to almost not increase the size of the pushers with the arrangement of the locking device according to the invention, which allows to keep a classic appearance to the watch case that may seem externally almost identical to a corresponding case without such a locking device.

Abstract

La pièce d'horlogerie est munie d'un boîtier (1) qui comprend une carrure (2), un poussoir (4) et un dispositif de verrouillage de ce poussoir. Le poussoir est agencé mobile en translation selon un axe d'actionnement (20). Le dispositif de verrouillage comporte un organe de blocage (8) mobile en translation selon l'axe d'actionnement et susceptible d'être déplacé entre une position de verrouillage et une position de déverrouillage dans lesquelles le poussoir (4) est respectivement bloqué et libre en translation. Le dispositif de verrouillage comporte en outre un organe de commande (10) mobile en rotation dans un plan général du boîtier entre une première position et une deuxième position correspondant, pour l'organe de blocage, respectivement aux positions de verrouillage et de déverrouillage, cet organe de commande étant agencé pour engendrer le déplacement de l'organe de blocage (8) entre ses positions de verrouillage et de déverrouillage.

Figure imgaf001
The timepiece is provided with a housing (1) which comprises a middle part (2), a pusher (4) and a locking device of this pusher. The pusher is arranged movable in translation along an actuating axis (20). The locking device comprises a locking member (8) movable in translation along the axis of actuation and capable of being displaced between a locking position and an unlocking position in which the pusher (4) is respectively locked and free in translation. The locking device further comprises a control member (10) rotatable in a general plane of the housing between a first position and a second position corresponding, for the locking member, respectively to the locking and unlocking positions, this control member being arranged to cause the displacement of the locking member (8) between its locking and unlocking positions.
Figure imgaf001

Description

DOMAINE TECHNIQUETECHNICAL AREA

La présente invention se rapporte au domaine de l'horlogerie. Elle concerne plus particulièrement une pièce d'horlogerie comportant un dispositif de verrouillage pour un poussoir actionnable par un utilisateur de la pièce d'horlogerie, notamment un bouton-poussoir.The present invention relates to the field of watchmaking. It relates more particularly to a timepiece comprising a locking device for a pusher operable by a user of the timepiece, including a push button.

ART ANTERIEURPRIOR ART

Il est connu de réaliser des pièces d'horlogerie comportant un dispositif de verrouillage qui permet de rendre inactif un bouton-poussoir. Ces dispositifs ont pour but d'empêcher l'actionnement accidentel du bouton-poussoir ou, pour les montres de plongée, d'éviter l'actionnement du bouton-poussoir sous l'effet de la pression extérieure.It is known to produce timepieces comprising a locking device that makes it possible to disable a push button. These devices are intended to prevent the accidental actuation of the push button or, for diving watches, to avoid actuation of the push button under the effect of external pressure.

On connait de nombreuses demandes décrivant un tel dispositif de verrouillage. Par exemple, la demande CH678138 propose un poussoir vissé qui peut être immobilisé par une bague filetée, coaxiale au poussoir. La bague filetée est visée sur le pendant du poussoir et peut venir en appui sous la tête du poussoir pour empêcher son actionnement. La demande US9105413 décrit une variante de ce dispositif.Many applications are known describing such a locking device. For example, the demand CH678138 proposes a screwed pusher which can be immobilized by a threaded ring, coaxial with the pusher. The threaded ring is aimed at the pendant of the pusher and can bear under the head of the pusher to prevent its actuation. Requirement US9105413 describes a variant of this device.

La demande CH707595 présente un poussoir de montre blocable à l'aide d'une bague rotative coaxiale avec le poussoir et dont la rotation provoque le déplacement axial d'une douille susceptible de venir en appui sous la tête du poussoir.Requirement CH707595 has a lockable watch pusher with a rotary ring coaxial with the pusher and whose rotation causes the axial displacement of a socket capable of bearing under the head of the pusher.

Cependant ces dispositifs de verrouillage présentent plusieurs inconvénients. Comme le poussoir est entouré par une bague de commande coaxiale qui doit pouvoir être tournée par un utilisateur et donc sortir suffisamment radialement au-delà de la surface périphérique de la carrure du boîtier de montre, ce poussoir doit être proéminent tout en ayant une faible course, ce qui rend son actionnement plus difficile et moins précis. Pour que la course du poussoir soit allongée de manière à présenter une longueur usuelle, la tige du poussoir doit être allongée de sorte que la tête du poussoir est alors relativement éloignée de la carrure, ce qui change désavantageusement l'esthétique de la montre. En effet, la bague de commande doit présenter une certaine hauteur hors de la carrure et un certain diamètre, normalement supérieur à celui de la tête du poussoir, pour être manipulée aisément. Il en résulte que les boutons-poussoirs munis d'un tel dispositif de verrouillage présentent un aspect massif. Par ailleurs, le pas de vis utilisé pour transformer le mouvement de rotation en translation doit être suffisamment petit afin que la transformation ne soit pas réversible de manière accidentelle, c'est-à-dire que les frottements soient suffisants pour s'opposer à un dévissage intempestif. Ainsi, un temps de manipulation important, dû au grand nombre de rotations de la bague de commande, est nécessaire pour commuter le dispositif entre ses états verrouillé et déverrouillé. Pour les montres comportant plusieurs poussoirs comme c'est généralement le cas pour celles munies d'un chronographe, l'opération de verrouillage peut ainsi s'avérer particulièrement fastidieuse car elle doit être effectuée successivement pour chacun des poussoirs.However, these locking devices have several disadvantages. As the pusher is surrounded by a ring of coaxial control that must be rotatable by a user and thus sufficiently radially out beyond the peripheral surface of the middle of the watch case, this pusher must be prominent while having a short stroke, which makes its operation more difficult and less accurate. So that the stroke of the pusher is elongated so as to have a usual length, the rod of the pusher must be extended so that the head of the pusher is then relatively far from the middle part, which disadvantageously changes the aesthetics of the watch. Indeed, the control ring must have a certain height out of the middle part and a certain diameter, normally greater than that of the head of the pusher, to be handled easily. As a result, the push buttons provided with such a locking device have a massive appearance. Moreover, the pitch of screw used to transform the rotational movement in translation must be small enough so that the transformation is not reversible accidentally, that is to say that the friction is sufficient to oppose a inadvertent unscrewing. Thus, a significant handling time, due to the large number of rotations of the control ring, is necessary to switch the device between its locked and unlocked states. For watches with several pushers as is generally the case for those equipped with a chronograph, the locking operation can be particularly tedious because it must be performed successively for each of the pushers.

On connaît aussi des dispositifs de verrouillage de poussoir qui apportent en partie une solution au problème susmentionné. Ainsi, le document US 2010/014233 propose de bloquer l'actionnement d'un poussoir par un cadre mobile verticalement, de manière perpendiculaire à l'axe d'actionnement du poussoir. Ce cadre définit une butée supérieure pour le poussoir, laquelle vient se placer derrière la tête du poussoir selon la position d'une lunette tournante qui sert d'organe de commande du dispositif de verrouillage. Le cadre et donc la butée sont agencés sous la lunette tournante pour pouvoir être actionnés directement par une surface inférieure de cette lunette tournante. Cette réalisation présente un premier inconvénient par le fait que la partie arrière de la tête du poussoir doit être insérée dans le boîtier de la montre lorsque le poussoir est dans sa position de repos (poussoir non actionné). Un deuxième inconvénient vient du fait que le poussoir est verrouillé par une petite butée agissant seulement contre la partie supérieure de la tête du poussoir. Un troisième inconvénient découle du fait que le dispositif de verrouillage est encombrant, notamment le cadre qui se meut verticalement dans la carrure, laquelle doit présenter un évidemment à cet effet. De plus, le mouvement vertical du cadre requière un boîtier relativement haut pour permettre ce mouvement à l'intérieur de ce boîtier.Pusher locking devices are also known which partially provide a solution to the problem mentioned above. Thus, the document US 2010/014233 proposes to block the actuation of a pusher by a movable frame vertically, perpendicular to the axis of actuation of the pusher. This frame defines an upper stop for the pusher, which is placed behind the pusher head according to the position of a rotating bezel which serves as control member of the locking device. The frame and therefore the stop are arranged under the rotating bezel to be able to be actuated directly by a surface bottom of this rotating bezel. This embodiment has a first disadvantage in that the rear portion of the pusher head must be inserted into the watch case when the pusher is in its rest position (pusher not actuated). A second disadvantage comes from the fact that the pusher is locked by a small stop acting only against the upper part of the pusher head. A third drawback arises from the fact that the locking device is bulky, in particular the frame which moves vertically in the middle part, which must have an obvious for this purpose. In addition, the vertical movement of the frame requires a relatively high housing to allow this movement inside this housing.

On connaît également du document EP 1 582 945 , figures 7,8 et 11, un dispositif de verrouillage d'un poussoir dans lequel un tube et un piston traversant ce tube sont solidaires de la tête du poussoir, le tube étant fixé à cette tête et le piston étant agencé mobile dans le tube entre deux positions verticales, c'est-à-dire entre deux positions selon un axe perpendiculaire à l'axe d'actionnement du poussoir. Une lunette tournante présente une rainure dans sa surface inférieure, une extrémité du piston étant logée dans cette rainure. Cette rainure présente une portion (45) avec une profondeur qui varie de manière à permettre un actionnement du piston dans le tube entre deux positions extrêmes qui définissent respectivement une position de verrouillage et une position de déverrouillage du poussoir. Cette réalisation avec de petites pièces difficiles à assembler est complexe. Comme le tube et le piston sont solidaires du poussoir en déplacement selon l'axe d'actionnement, il est nécessaire de prévoir un évidement radial dans la lunette et dans le haut de la carrure relativement important, de sorte que le piston et son tube puissent être déplacés radialement avec le poussoir dans la position de déverrouillage. Le système est donc encombrant. Ceci est encore péjoré par le fait que le piston présente un mouvement vertical pour verrouiller le poussoir, ce qui requière une relativement grande hauteur du boîtier au-dessus du poussoir. De plus, l'incorporation du poussoir avec le piston dans la boîte est difficile. En effet, la lunette tournante et la lunette fixe doivent être montées après avoir apporté le poussoir muni de son dispositif de verrouillage, en veillant à maintenir le piston dans l'orientation verticale prévue. En particulier, le poussoir lui-même doit être assemblé avant ou simultanément aux deux lunettes susmentionnées et il n'est pas possible de le changer par la suite sans les démonter premièrement. En conclusion, on constate que cette réalisation de l'art antérieur présente plusieurs inconvénients.Document is also known EP 1 582 945 , figures 7.8 and 11, a device for locking a pusher in which a tube and a piston passing through this tube are integral with the head of the pusher, the tube being fixed to this head and the piston being arranged movable in the tube between two vertical positions, that is to say between two positions along an axis perpendicular to the axis of actuation of the pusher. A rotating bezel has a groove in its lower surface, one end of the piston being housed in this groove. This groove has a portion (45) with a depth which varies so as to allow actuation of the piston in the tube between two extreme positions which respectively define a locking position and an unlocking position of the pusher. This realization with small parts difficult to assemble is complex. As the tube and the piston are integral with the pusher in displacement along the axis of actuation, it is necessary to provide a radial recess in the bezel and in the top of the middle relatively large, so that the piston and its tube can be moved radially with the pusher in the unlocked position. The system is therefore cumbersome. This is still pejorized by the fact that the piston has a vertical movement to lock the pusher, which requires a relatively large height of the housing above the pusher. Moreover, the incorporation of the pusher with the piston into the box is difficult. Indeed, the rotating bezel and the fixed bezel must be mounted after bringing the pusher provided with its locking device, taking care to maintain the piston in the vertical orientation provided. In particular, the pusher itself must be assembled before or simultaneously to the two aforementioned glasses and it is not possible to change it later without disassembling first. In conclusion, it is noted that this embodiment of the prior art has several disadvantages.

RESUME DE L'INVENTIONSUMMARY OF THE INVENTION

La présente invention a pour but de remédier aux différents inconvénients de l'art antérieur en proposant une pièce d'horlogerie munie d'un dispositif de verrouillage d'au moins un poussoir qui soit moins encombrant, plus discret et plus simple à utiliser.The present invention aims to overcome the various disadvantages of the prior art by providing a timepiece provided with a locking device of at least one pusher which is less bulky, more discreet and easier to use.

A cet effet, la présente invention concerne une pièce d'horlogerie comportant un boîtier, un poussoir monté dans une carrure du boîtier et un dispositif de verrouillage apte à verrouiller le poussoir, ce poussoir étant agencé de manière à pouvoir subir une translation selon un axe d'actionnement du poussoir par un utilisateur. Le dispositif de verrouillage comporte un organe de blocage et un organe de commande agencé pour commander le déplacement de l'organe de blocage entre une position de verrouillage et une position de déverrouillage dans lesquelles le poussoir est respectivement bloqué et libre en translation. L'organe de commande s'étend dans un plan général parallèle audit axe d'actionnement et est agencé mobile dans ce plan général entre une première position et une deuxième position correspondant, pour l'organe de blocage entraîné par l'organe de commande, respectivement aux positions de verrouillage et de déverrouillage. Selon l'invention, l'organe de blocage est agencé mobile en translation selon l'axe d'actionnement et susceptible d'être déplacé par l'organe de commande le long de cet axe d'actionnement entre la position de verrouillage, où il forme une butée axiale pour le poussoir, et la position de déverrouillage située en retrait de la position de verrouillage. L'organe de commande comporte pour ce faire des moyens d'entrainement de l'organe de blocage selon l'axe d'actionnement.For this purpose, the present invention relates to a timepiece comprising a housing, a pusher mounted in a middle of the housing and a locking device adapted to lock the pusher, this pusher being arranged to be able to undergo a translation along an axis actuation of the pusher by a user. The locking device comprises a locking member and a control member arranged to control the movement of the locking member between a locking position and an unlocking position in which the pusher is respectively locked and free in translation. The control member extends in a general plane parallel to said actuating axis and is arranged movable in this general plane between a first position and a corresponding second position, for the locking member driven by the control member, respectively at the locking and unlocking positions. According to the invention, the locking member is arranged movable in translation along the axis of actuation and can be displaced by the control member along the axis of actuation between the position locking, where it forms an axial stop for the pusher, and the unlocking position set back from the locking position. For this purpose, the control member comprises means for driving the locking member along the axis of actuation.

Selon un mode de réalisation avantageux, la pièce d'horlogerie comporte une lunette et l'organe de commande est formé par une bague intermédiaire montée entre la carrure et la lunette, cette bague étant mobile en rotation autour d'un axe sensiblement perpendiculaire à l'axe d'actionnement.According to an advantageous embodiment, the timepiece comprises a telescope and the control member is formed by an intermediate ring mounted between the caseband and the bezel, this ring being able to rotate about an axis substantially perpendicular to the case. actuation axis.

Selon un autre mode de réalisation avantageux, la pièce d'horlogerie comporte une lunette tournante formant l'organe de commande.According to another advantageous embodiment, the timepiece comprises a rotating bezel forming the control member.

Selon un mode de réalisation préféré, l'organe de blocage est une douille cylindrique entourant le poussoir et agencée mobile selon l'axe d'actionnement du poussoir.According to a preferred embodiment, the locking member is a cylindrical sleeve surrounding the pusher and arranged movable along the axis of actuation of the pusher.

Selon un mode de réalisation particulier, l'organe de blocage est un coulisseau agencé mobile selon l'axe d'actionnement du poussoir.According to a particular embodiment, the locking member is a slider arranged movable along the axis of actuation of the pusher.

Selon un autre mode de réalisation avantageux, le poussoir comporte une tête et l'organe de blocage est apte à venir se positionner, pour le verrouiller, à faible distance de cette tête ou en appui contre celle-ci.According to another advantageous embodiment, the pusher comprises a head and the locking member is adapted to be positioned, to lock it, at a short distance from this head or against it.

Selon un autre mode de réalisation avantageux, l'organe de commande présente une came de positionnement radial de l'organe de blocage coopérant avec un moyen suiveur que comporte cet organe de blocage.According to another advantageous embodiment, the control member has a radial positioning cam of the locking member cooperating with a follower means that comprises the locking member.

Selon une variante avantageuse, la pièce d'horlogerie comporte un moyen de rappel élastique tendant à maintenir le moyen suiveur au contact de la came.According to an advantageous variant, the timepiece comprises an elastic return means tending to maintain the follower means in contact with the cam.

Selon une autre variante avantageuse, la came est formée par une rainure et le moyen suiveur est un ergot inséré dans cette rainure.According to another advantageous variant, the cam is formed by a groove and the follower means is a lug inserted in this groove.

Selon une variante particulière, la came est formée par une nervure / un rail faisant saillie sous l'organe de commande et le moyen suiveur est une encoche usinée dans l'organe de blocage.According to a particular variant, the cam is formed by a rib / rail protruding under the control member and the follower means is a notch machined in the locking member.

Selon une autre variante avantageuse, le dispositif de verrouillage comporte un moyen visuel facilitant la reconnaissance de la position de l'organe de blocage.According to another advantageous variant, the locking device comprises a visual means facilitating the recognition of the position of the locking member.

Selon une autre variante avantageuse, le dispositif de verrouillage comporte un moyen de positionnement prévu pour maintenir en place l'organe de commande dans ses première et deuxième positions qui définissent ainsi deux positions stables.According to another advantageous variant, the locking device comprises a positioning means provided for holding in place the control member in its first and second positions which thus define two stable positions.

Selon une variante particulière, chacune des première et deuxième positions de l'organe de commande est assurée par un point dur, par exemple formé d'une bille montée sur un élément élastique.According to a particular variant, each of the first and second positions of the control member is provided by a hard point, for example formed of a ball mounted on an elastic element.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres détails de l'invention apparaîtront à la lecture de la description qui suit, faite en référence aux dessins annexés dans lesquels :

  • les figures 1 et 2 représentent une vue en coupe transversale et une vue en coupe selon la ligne A - A d'un premier mode de réalisation d'une pièce d'horlogerie selon l'invention, dans laquelle le dispositif de verrouillage est dans sa position de verrouillage ;
  • les figures 3 et 4 sont des vues en coupe, similaires à celles des figures 1 et 2, dans lesquelles le dispositif de verrouillage est dans sa position de déverrouillage ;
  • les figures 5 à 9 représentent diverses coupes d'un deuxième mode de réalisation d'une pièce d'horlogerie selon l'invention, les figures 5 et 7 montrant le dispositif de verrouillage en position de verrouillage alors que les figures 6 et 9 le montrent en position de déverrouillage et la figure 8 en position intermédiaire.
Other details of the invention will appear on reading the description which follows, made with reference to the appended drawings in which:
  • the Figures 1 and 2 represent a cross-sectional view and a sectional view along line A-A of a first embodiment of a timepiece according to the invention, in which the locking device is in its locking position;
  • the Figures 3 and 4 are sectional views, similar to those of Figures 1 and 2 in which the locking device is in its unlocking position;
  • the Figures 5 to 9 represent various sections of a second embodiment of a timepiece according to the invention, the figures 5 and 7 showing the locking device in locking position while the figures 6 and 9 show it in the unlocked position and the figure 8 in intermediate position.

DESCRIPTION DETAILLEEDETAILED DESCRIPTION

En référence aux figures 1 à 4, on décrira ci-après un premier mode de réalisation de l'invention. Les figures représentent des vues partielles en coupe d'une pièce d'horlogerie laissant apparaître un bouton-poussoir agencé dans la carrure 2 du boîtier 1 et son dispositif de verrouillage. Le bouton-poussoir forme notamment un organe de commande d'un mécanisme chronographe. Ce bouton-poussoir est composé d'un pendant 3, vissé dans un taraudage que comporte la carrure 2, et d'un poussoir 4 s'étendant partiellement à l'extérieur de la pièce d'horlogerie afin d'être actionnable par un utilisateur. Le poussoir 4 comporte une tête 5 et une tige 6 apte à coulisser dans une ouverture que comporte le pendant 3 selon un axe d'actionnement 20 traversant la carrure parallèlement au plan général du boîtier. Un premier ressort 7 tend à maintenir le poussoir 4 en position distale en référence à la carrure 2 (comme représenté sur l'ensemble des figures).With reference to Figures 1 to 4 , hereinafter will be described a first embodiment of the invention. The figures show partial sectional views of a timepiece revealing a pushbutton arranged in the middle part 2 of the housing 1 and its locking device. The push button forms in particular a control member of a chronograph mechanism. This pushbutton is composed of a pendant 3, screwed into a tapping that includes the middle part 2, and a pusher 4 extending partially outside the timepiece to be operable by a user . The pusher 4 comprises a head 5 and a rod 6 slidable in an opening that has the pendant 3 along an axis of actuation 20 through the middle parallel to the general plane of the housing. A first spring 7 tends to maintain the pusher 4 in distal position with reference to the middle part 2 (as shown in all the figures).

La pièce d'horlogerie comporte un dispositif de verrouillage comprenant un organe de blocage 8 mobile en translation selon l'axe d'actionnement 20. Dans un premier mode de réalisation présenté aux figures 1 à 4, l'organe de blocage 8 est formé par une douille cylindrique 8a entourant le poussoir 4, cette douille ayant un épaulement intérieur définissant une butée 12 pour la tête 5 du poussoir au moins lorsque le dispositif de verrouillage est dans sa position de verrouillage.The timepiece comprises a locking device comprising a locking member 8 movable in translation along the axis of actuation 20. In a first embodiment presented to the Figures 1 to 4 , the locking member 8 is formed by a cylindrical sleeve 8a surrounding the pusher 4, the sleeve having an inner shoulder defining a stop 12 for the head 5 of the pusher at least when the locking device is in its locking position.

Le dispositif de verrouillage comporte également un organe de commande 10 monté mobile en rotation en référence à la carrure 2, autour d'un axe perpendiculaire au plan général du boîtier 1, et donc perpendiculaire à l'axe d'actionnement 20. De manière générale, l'organe de commande s'étend dans le plan général du boîtier qui est sensiblement parallèle à l'axe d'actionnement et il est agencé mobile dans ce plan général entre une première position et une deuxième position correspondant respectivement aux positions de verrouillage et de déverrouillage du dispositif de verrouillage. De préférence, l'organe de commande 10 s'étend au moins partiellement à l'extérieur du boîtier de manière à être facilement actionnable par un utilisateur. Dans le premier mode de réalisation présenté sur les figures 1 à 4, l'organe de commande est une bague tournante 10 montée entre la carrure 2 et une lunette 11 que comporte le boîtier 1.The locking device also comprises a control member 10 rotatably mounted with reference to the middle part 2, about an axis perpendicular to the general plane of the housing 1, and therefore perpendicular to the actuating axis 20. In general , the organ control device extends in the general plane of the housing which is substantially parallel to the axis of actuation and is arranged movable in this general plane between a first position and a second position respectively corresponding to the locking and unlocking positions of the device locking. Preferably, the control member 10 extends at least partially outside the housing so as to be easily operable by a user. In the first embodiment presented on the Figures 1 to 4 , the control member is a rotating ring 10 mounted between the middle part 2 and a bezel 11 that comprises the housing 1.

Le fonctionnement du mécanisme de verrouillage va maintenant être décrit en détails. L'organe de blocage 8 est susceptible d'être déplacé entre une position de verrouillage représentée aux figures 1 et 2 et une position de déverrouillage représentée aux figures 3 et 4. Dans la position de verrouillage, une butée 12 de l'organe de blocage 8 vient se placer directement sous la tête 5 du poussoir 4 afin de substantiellement bloquer le poussoir 4 en translation et d'empêcher ainsi son actionnement pour effectuer la fonction associée à ce poussoir. Dans la position de déverrouillage, l'organe de blocage a été translaté selon l'axe d'actionnement de façon à libérer le poussoir 4 en translation et à le rendre opérationnel.The operation of the locking mechanism will now be described in detail. The locking member 8 can be moved between a locking position shown in FIGS. Figures 1 and 2 and an unlock position shown at Figures 3 and 4 . In the locking position, a stop 12 of the locking member 8 is placed directly under the head 5 of the pusher 4 to substantially block the pusher 4 in translation and thus prevent its actuation to perform the function associated with this button. In the unlocking position, the locking member has been translated along the axis of actuation so as to release the pusher 4 in translation and to make it operational.

Le déplacement de l'organe de blocage entre sa position de verrouillage et sa position de déverrouillage est commandé par l'organe de commande 10 qui est cinématiquement lié à l'organe de blocage 8. Pour ce faire, l'organe de commande 10 comporte des moyens d'entrainement coopérant avec un moyen suiveur que comporte l'organe de blocage 8. Dans le premier mode de réalisation, les moyens d'entrainement sont formés par une came 13a et un moyen de rappel élastique 15 alors que le moyen suiveur est formé par un ergot 14a venant au contact de la came 13a et jouant le rôle de suiveur de came. Le moyen de rappel élastique 15 (en particulier un ressort hélicoïdal) permet de maintenir l'ergot 14a au contact de la came 13a dans les deux sens d'actionnement de l'organe de commande. Dans la variante représentée, la came 13a est définie par une surface latérale d'un évidement intérieur de la bague tournante 10 dont le profil présente une variation radiale monotone entre deux positions angulaires définissant respectivement une première position et une deuxième position correspondant aux positions de verrouillage et de déverrouillage.The displacement of the locking member between its locking position and its unlocking position is controlled by the control member 10 which is kinematically connected to the locking member 8. To do this, the control member 10 comprises driving means cooperating with a follower means that comprises the locking member 8. In the first embodiment, the drive means are formed by a cam 13a and an elastic return means 15 while the follower means is formed by a lug 14a engaging the cam 13a and acting as follower cam. The elastic return means 15 (In particular a helical spring) makes it possible to maintain the lug 14a in contact with the cam 13a in the two actuating directions of the control member. In the variant shown, the cam 13a is defined by a lateral surface of an internal recess of the rotating ring 10 whose profile has a monotonic radial variation between two angular positions respectively defining a first position and a second position corresponding to the locking positions. and unlocking.

Afin que les positions de verrouillage et de déverrouillage soient des positions stables, le dispositif de verrouillage comporte de préférence un moyen de positionnement agencé pour maintenir en place l'organe de commande dans les première et deuxième positions susmentionnées. En particulier, l'organe de commande peut être monté pivotant avec frottement gras, ce qui peut suffire à assurer son maintien dans lesdites première et deuxième positions. Le moyen de positionnement présenté sur les figures est premièrement formé par la pente de la came 13a sensiblement nulle à ses deux extrémités 13c qui définissent respectivement lesdites première et deuxième positions. La pente de la came est considérée dans un référentiel circulaire, de sorte qu'une pente nulle correspond à un chemin circulaire.In order for the locking and unlocking positions to be stable positions, the locking device preferably comprises a positioning means arranged to hold the control member in place in the first and second positions mentioned above. In particular, the control member may be pivotally mounted with greasy friction, which may be sufficient to ensure its maintenance in said first and second positions. The positioning means shown in the figures is firstly formed by the slope of the cam 13a substantially zero at its two ends 13c which respectively define said first and second positions. The slope of the cam is considered in a circular reference, so that a zero slope corresponds to a circular path.

Le positionnement peut aussi être réalisé ou renforcé par le fait que l'ergot 14a est tenu radialement dans ses deux positions radiales extrêmes, correspondant aux première et deuxième positions, d'une part par une languette interne 16 formée dans la bague tournante 10 et d'autre part par une surface d'appui définie par la carrure 2. La pente de la came dans la zone centrale provoque un déplacement relativement rapide de l'organe de blocage en réponse à un faible déplacement angulaire de l'organe de commande, alors que la pente sensiblement nulle aux extrémités 13c de la came empêche la transmission d'un couple de l'élément suiveur vers l'organe de commande. Ainsi, une rotation d'une trentaine de degrés de la bague tournante permet de déplacer l'organe de blocage dans les deux sens entre ses positions de verrouillage et de déverrouillage.The positioning can also be achieved or reinforced by the fact that the lug 14a is held radially in its two extreme radial positions, corresponding to the first and second positions, on the one hand by an inner tongue 16 formed in the rotating ring 10 and on the other hand by a bearing surface defined by the middle part 2. The slope of the cam in the central zone causes a relatively rapid displacement of the locking member in response to a small angular displacement of the control member, while that the substantially zero slope at the ends 13c of the cam prevents the transmission of a torque of the follower member to the control member. Thus, a rotation of about thirty degrees of rotating ring makes it possible to move the locking member in both directions between its locking and unlocking positions.

Il est également possible de prévoir que le moyen de positionnement de l'organe de commande comporte des points durs qu'il faut dépasser juste avant d'atteindre lesdites première et deuxième positions et donc soit la position de verrouillage, soit la position de déverrouillage. Ceci permet de sécuriser encore davantage les deux positions fonctionnelles de l'organe de commande. Le passage d'un point dur fournit en outre une indication tactile du verrouillage ou du déverrouillage à l'utilisateur.It is also possible to provide that the positioning means of the control member comprises hard points that must be exceeded just before reaching said first and second positions and therefore either the locking position or the unlocking position. This makes it possible to further secure the two functional positions of the control member. The passage of a hard point further provides a tactile indication of the locking or unlocking to the user.

Les figures 5 à 9 présentent un deuxième mode de réalisation qui comporte des solutions alternatives à celles présentées dans le premier mode de réalisation. Ces variantes étant indépendantes les unes des autres, elles peuvent être combinées entre elles. Il va de soi que l'invention ne se limite pas aux deux modes de réalisation présentés mais couvre également les combinaisons des différentes alternatives et leurs équivalents.The Figures 5 to 9 present a second embodiment which comprises alternatives to those presented in the first embodiment. These variants being independent of each other, they can be combined with each other. It goes without saying that the invention is not limited to the two embodiments presented but also covers combinations of different alternatives and their equivalents.

Dans une première variante du deuxième mode de réalisation, l'organe de blocage est un coulisseau 8b apte à coulisser selon la direction de l'axe d'actionnement du poussoir dans une glissière radiale 9 que comporte la carrure. La glissière 9 peut présenter une forme en queue d'aronde ou tout autre profil adéquat.In a first variant of the second embodiment, the locking member is a slider 8b slidable in the direction of the axis of actuation of the pusher in a radial slide 9 that includes the middle part. The slide 9 may have a dovetail shape or any other suitable profile.

Dans une seconde variante, l'organe de commande 10 est directement formé par une lunette tournante 11 que comporte ou supporte le boîtier.In a second variant, the control member 10 is directly formed by a rotating bezel 11 that includes or supports the housing.

Selon une autre variante, la came est formée par une rainure 13b logeant au moins partiellement l'ergot 14a et ayant sensiblement la largeur du diamètre de cet ergot. Cette configuration correspond à une commande desmodromique pour laquelle le moyen de rappel élastique des moyens d'entraînement de l'organe de blocage peut être supprimé afin de limiter l'encombrement du dispositif de verrouillage. Il peut toutefois être intéressant de conserver un faible moyen de rappel élastique dans ce cas pour rattraper les jeux entre les pièces et éliminer de petites translations parasites de l'organe de blocage.According to another variant, the cam is formed by a groove 13b at least partially housing the lug 14a and having substantially the width of the diameter of the lug. This configuration corresponds to a desmodromic control for which the elastic return means of the drive means of the locking member can be eliminated in order to limit the size of the locking device. It can however be interesting to keep a low elastic return means in this case to make up the play between the parts and eliminate small parasitic translations of the locking member.

De façon alternative aux deux modes de réalisation présentés sur les figures, la came peut tout aussi bien être une nervure proéminente et le moyen suiveur une encoche usinée dans l'organe de blocage et recevant la nervure, le glissement de la nervure dans l'encoche provoquant le déplacement radial de l'organe de verrouillage.Alternatively to the two embodiments shown in the figures, the cam may equally well be a protruding rib and the follower means a notch machined in the locking member and receiving the rib, the sliding of the rib in the notch causing the radial displacement of the locking member.

Le dispositif de verrouillage peut également comporter un moyen visuel facilitant la reconnaissance de la position de l'organe de blocage. Ce moyen visuel, typiquement un marquage, peut se situer sur l'organe de commande ou directement sur l'organe de blocage. Dans les modes de réalisation présentés, l'organe de blocage est dissimulé en position de déverrouillage alors qu'il est visible en position de verrouillage. La visibilité de l'organe de verrouillage, qui peut être renforcée par une couleur voyante, est dans ce cas le moyen visuel qui permet de connaitre sa position.The locking device may also include a visual means facilitating recognition of the position of the locking member. This visual means, typically a marking, can be located on the control member or directly on the locking member. In the embodiments shown, the locking member is concealed in the unlocking position while it is visible in the locking position. The visibility of the locking member, which can be enhanced by a bright color, is in this case the visual means that allows to know his position.

On remarque également sur les figures 4 et 9 qu'il est facile de prévoir que l'organe de commande 10 comporte plusieurs rainures 13b, respectivement plusieurs cames 13a afin de verrouiller simultanément plusieurs poussoirs.We also note on figures 4 and 9 it is easy to provide that the control member 10 has a plurality of grooves 13b, respectively several cams 13a to lock simultaneously several pushers.

Ainsi, les différentes solutions proposées permettent de réaliser des dispositifs de verrouillage pour un ou plusieurs poussoirs qui soient plus faciles et plus rapides à utiliser en verrouillant d'un seul geste. Le fait que l'organe de blocage puisse être entièrement escamoté dans la carrure rend le dispositif de verrouillage discret. De plus, l'actionnement d'un poussoir usuel n'est pas rendu moins aisé par la présence du dispositif de verrouillage lorsque ce dernier est mis dans la position de déverrouillage. Finalement, le fait de déporter l'organe de commande au niveau de la lunette permet de ne quasi pas augmenter l'encombrement des poussoirs avec l'agencement du dispositif de verrouillage selon l'invention, ce qui permet de conserver une apparence classique au boîtier de montre qui peut paraître extérieurement quasi identique à un boîtier correspondant sans un tel dispositif de verrouillage.Thus, the various proposed solutions allow for locking devices for one or more pushers that are easier and faster to use by locking with a single gesture. The fact that the locking member can be fully retracted into the middle part makes the locking device discrete. In addition, the actuation of a conventional pusher is not made less easy by the presence of the locking device when the latter is placed in the unlocking position. Finally, the fact of deporting the control member at the level of the telescope makes it possible to almost not increase the size of the pushers with the arrangement of the locking device according to the invention, which allows to keep a classic appearance to the watch case that may seem externally almost identical to a corresponding case without such a locking device.

Claims (12)

Pièce d'horlogerie comportant un boîtier (1), un poussoir (4) monté dans une carrure (2) du boîtier et un dispositif de verrouillage apte à verrouiller le poussoir, ce poussoir étant agencé de manière à pouvoir subir une translation selon un axe d'actionnement du poussoir par un utilisateur, le dispositif de verrouillage comportant un organe de blocage (8) et un organe de commande (10) agencé pour commander le déplacement de l'organe de blocage entre une position de verrouillage et une position de déverrouillage dans lesquelles le poussoir est respectivement bloqué et libre en translation, l'organe de commande s'étendant dans un plan général parallèle audit axe d'actionnement et étant agencé mobile dans ce plan général entre une première position et une deuxième position correspondant, pour l'organe de blocage entraîné par l'organe de commande, respectivement aux positions de verrouillage et de déverrouillage ; caractérisée en ce que ledit organe de blocage (8) est agencé mobile en translation selon l'axe d'actionnement et susceptible d'être déplacé par l'organe de commande le long de cet axe d'actionnement entre ladite position de verrouillage, où il forme une butée axiale pour le poussoir, et ladite position de déverrouillage située en retrait de la position de verrouillage, l'organe de commande comportant pour ce faire des moyens d'entrainement de l'organe de blocage selon l'axe d'actionnement.Timepiece comprising a housing (1), a pusher (4) mounted in a middle part (2) of the housing and a locking device capable of locking the pusher, this pusher being arranged to be able to undergo translation along an axis actuation of the pusher by a user, the locking device comprising a locking member (8) and a control member (10) arranged to control the displacement of the locking member between a locking position and an unlocking position in which the pusher is respectively locked and free in translation, the control member extending in a general plane parallel to said actuating axis and being arranged movable in this general plane between a first position and a second corresponding position, for the locking member driven by the control member, respectively to the locking and unlocking positions; characterized in that said locking member (8) is arranged movable in translation along the axis of actuation and can be moved by the control member along this axis of actuation between said locking position, where it forms an axial abutment for the pusher, and said unlocking position is set back from the locking position, the control member comprising for this purpose means for driving the locking member along the axis of actuation . Pièce d'horlogerie selon la revendication 1, caractérisée en ce que les moyens d'entrainement (13) comportent une came (13a, 13b) de positionnement radial de l'organe de blocage, cette came coopérant avec un moyen suiveur (14a) que comporte l'organe de blocage.Timepiece according to claim 1, characterized in that the drive means (13) comprise a cam (13a, 13b) for radial positioning of the locking member, this cam cooperating with a follower means (14a) that has the locking member. Pièce d'horlogerie selon la revendication 2, caractérisée en ce que les moyens d'entraînement comportent un moyen de rappel élastique (15) tendant à maintenir le moyen suiveur au contact de la came (13a).Timepiece according to claim 2, characterized in that the drive means comprise an elastic return means (15) tending to maintain the follower means in contact with the cam (13a). Pièce d'horlogerie selon la revendication 2 ou 3, caractérisée en ce que la came présente une rainure (13b) et le moyen suiveur est un ergot (14a) inséré dans cette rainure.Timepiece according to claim 2 or 3, characterized in that the cam has a groove (13b) and the follower means is a lug (14a) inserted in this groove. Pièce d'horlogerie selon la revendication 2 ou 3, caractérisée en ce que la came est formée par une nervure et le moyen suiveur est une encoche.Timepiece according to claim 2 or 3, characterized in that the cam is formed by a rib and the follower means is a notch. Pièce d'horlogerie selon une quelconque des revendications précédentes et dont le boîtier comporte ou supporte une lunette (11), caractérisée en ce que l'organe de commande (10) est formé par une bague qui est montée entre la carrure (2) et la lunette (11) de manière mobile en rotation autour d'un axe sensiblement perpendiculaire audit axe d'actionnement.Timepiece according to any one of the preceding claims and whose housing comprises or supports a telescope (11), characterized in that the control member (10) is formed by a ring which is mounted between the middle part (2) and the bezel (11) rotatable about an axis substantially perpendicular to said actuating axis. Pièce d'horlogerie selon une quelconque des revendications précédentes et dont le boîtier comporte ou supporte une lunette (11), caractérisée en ce que ledit organe de commande (10) est formé par la lunette (11) qui est agencée tournante.Timepiece according to any one of the preceding claims and whose housing comprises or supports a bezel (11), characterized in that said control member (10) is formed by the bezel (11) which is arranged rotating. Pièce d'horlogerie selon une quelconque des revendications précédentes, caractérisée en ce que l'organe de blocage (8) est une douille cylindrique (8a) entourant le poussoir (4) et susceptible d'être déplacée selon ledit axe d'actionnement du poussoir entre lesdites positions de verrouillage et de déverrouillage.Timepiece according to any one of the preceding claims, characterized in that the locking member (8) is a cylindrical sleeve (8a) surrounding the pusher (4) and capable of being displaced along said axis of actuation of the pusher between said locking and unlocking positions. Pièce d'horlogerie selon une quelconque des revendications 1 à 7, caractérisée en ce que l'organe de blocage (8) est un coulisseau (8b) qui est agencé coulissant selon ledit axe d'actionnement du poussoir entre lesdites positions de verrouillage et de déverrouillage.Timepiece according to any one of claims 1 to 7, characterized in that the locking member (8) is a slide (8b) which is slidably arranged along said axis of actuation of the pusher between said locking positions and unlocking. Pièce d'horlogerie selon une quelconque des revendications précédentes, caractérisée en ce que le poussoir (4) comporte une tête (5) et l'organe de blocage (8) est apte à venir se positionner, pour verrouiller le poussoir, à faible distance de cette tête ou en appui contre cette dernière.Timepiece according to any one of the preceding claims, characterized in that the pusher (4) comprises a head (5) and the locking member (8) is adapted to be positioned to lock the pusher at a short distance. of this head or in support against it. Pièce d'horlogerie selon une quelconque des revendications précédentes, caractérisée en ce que le dispositif de verrouillage comporte un moyen visuel facilitant la reconnaissance de la position de l'organe de blocage (8).Timepiece according to any one of the preceding claims, characterized in that the locking device comprises a visual means facilitating the recognition of the position of the locking member (8). Pièce d'horlogerie selon une quelconque des revendications précédentes, caractérisée en ce que le dispositif de verrouillage comporte un moyen de positionnement agencé pour maintenir l'organe de commande (10) dans l'une ou l'autre de ses première et deuxième positions.Timepiece according to any one of the preceding claims, characterized in that the locking device comprises a positioning means arranged to maintain the control member (10) in one or other of its first and second positions.
EP18172258.8A 2017-05-24 2018-05-15 Timepiece comprising a device for locking a pusher Active EP3407144B1 (en)

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EP (1) EP3407144B1 (en)
JP (1) JP6537672B2 (en)
KR (1) KR102071790B1 (en)
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CH (1) CH713834A2 (en)

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Also Published As

Publication number Publication date
CN108958001A (en) 2018-12-07
US10725429B2 (en) 2020-07-28
EP3407144A3 (en) 2019-01-23
CH713834A2 (en) 2018-11-30
US20180341228A1 (en) 2018-11-29
EP3407144B1 (en) 2021-06-30
JP6537672B2 (en) 2019-07-03
KR102071790B1 (en) 2020-01-30
KR20180128852A (en) 2018-12-04
JP2018197748A (en) 2018-12-13
CN108958001B (en) 2020-11-13

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