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EP3245563B1 - Watch case - Google Patents

Watch case Download PDF

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Publication number
EP3245563B1
EP3245563B1 EP16701205.3A EP16701205A EP3245563B1 EP 3245563 B1 EP3245563 B1 EP 3245563B1 EP 16701205 A EP16701205 A EP 16701205A EP 3245563 B1 EP3245563 B1 EP 3245563B1
Authority
EP
European Patent Office
Prior art keywords
case
winding
winding crown
crown
indexing
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
EP16701205.3A
Other languages
German (de)
French (fr)
Other versions
EP3245563A1 (en
Inventor
Florent VIENOT
Michaël BUSSEY
Jérôme VUILLEMIN
Thomas LAMBEY
Jean-Pierre CASSARD
Christophe ZANNATO
Dominique Girardin
Romain JONQUET
Anthony PRUDHON
Louis Boyer
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.)
Cartier International AG
Original Assignee
Cartier International AG
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 Cartier International AG filed Critical Cartier International AG
Publication of EP3245563A1 publication Critical patent/EP3245563A1/en
Application granted granted Critical
Publication of EP3245563B1 publication Critical patent/EP3245563B1/en
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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
    • 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
    • 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
    • G04B37/00—Cases
    • G04B37/0008—Cases for pocket watches and wrist watches

Definitions

  • the present invention relates to watch cases equipped with a rotary and axially displaceable control member comprising a head accessible from outside the case connected to a stem element mounted radially in the case.
  • the control member may for example be a winding crown, a push-piece or the like.
  • a control member in particular the winding crown, has a circular or symmetrical shape with respect to the axis of the stem.
  • the head of the winding crown is elongated, presenting in plan a substantially rectangular shape coming in position 0 to be inserted between formations of the watch case. watch.
  • a watch case comprising a winding member having a head of elongated shape in a direction perpendicular to the axis of the winding stem and is limited by lateral surfaces extending, in the rest position, in the extension of corresponding surfaces of the box.
  • This head is maintained in this rest position by an indexing device formed by a ball stopper housed in one end of said head cooperating with a recess made in the box. watch.
  • This embodiment has the drawback that the indexing device is visible when the head of the winding member is in the pulled-out position for setting the time.
  • the present invention therefore relates to a watch case equipped with a control member comprising a head accessible from the outside of the case secured to an axis connected to a winding stem mounted radially in the case obviating the aforementioned drawbacks and which is distinguished by the characteristics set out in claim 1.
  • the figure 1 illustrates in perspective a watch comprising a case B equipped with a winding crown 1, the elongated head of which in position 0 or winding matches the shape of the watch case.
  • the head 1 In this position 0 the head 1 is located between two formations 2, 3 of the watch case but thanks to these small curved sides it can be driven in rotation around its axis 4, perpendicular to the base of the head passing through the wall of the watch.
  • the watch box for be connected to a winding stem mounted in a movement 5 housed in the case B and extending radially relative to the case.
  • the figure 5 illustrates by way of example a particular shape of the winding crown.
  • the axis 4 of the winding crown is integral with a body 6 on which is set a stone 7.
  • a cap 8 covers the body 6 and reveals the stone 7.
  • This cap 8 is fixed to the body 6 by screws 9.
  • This winding crown could be produced in many other ways, which is why in what follows parts 6, 7, and 8 will be considered as constituting the head of the winding crown 1 of oblong shape and integral with its axis 4.
  • the axis 4 of the winding crown extends perpendicularly to the base of the head 1 of this crown and passes through the wall of the case B. Its end has an internal thread making it possible to couple it to the winding stem 10 mounted in movement 5 housed in case B.
  • the axis 4 of the winding crown comprises a first portion 4.1 of diameter D and an end portion 4.2 of smaller diameter d.
  • the first portion 4.1 has two diametrically opposed longitudinal grooves 4.3, the depth of which preferably corresponds to the difference in radius between the first portion 4.1 and the end portion 4.2.
  • These longitudinal grooves 4.3 extend from the end portion 4.2 of axis 4 over a distance at least equal to the axial stroke of the winding crown separating its position 0 from its position 1 and at most equal to the axial stroke of the winding crown separating its position 0 from its position 2.
  • Position 0 of the winding crown is the position for which the user can wind the barrel of his watch
  • position 1 of the winding crown is that for which the user can modify the date display (or other complication) of his watch
  • position 2 of the winding crown is that of setting the time.
  • these grooves 4.3 are placed in a plane also containing the longest axis of the head 1 seen in plan of the winding crown. When the winding crown is in position 0 of reassembly and rest illustrated in the figure 1 , these grooves 4.3 are located in a plane parallel to the dial of the watch passing through the winding stem 10.
  • grooves 4.3 of the axis 4 of the winding crown 1, 4 constitute in this embodiment a first part of an indexing device for the winding crown carried by the axis of this winding crown.
  • the indexing device of the winding crown also comprises a second part mounted in the watch case B and therefore invisible from the outside of the watch case comprising at least one indexing element cooperating with the axis 4 of the watch case. winding crown.
  • this second part of the indexing device of the winding crown comprises, mounted inside the case B, two indexing elements each formed of an elastic stop comprising a body 11 fixed. in the box B containing a spring 12 acting on a piston or a ball 13 of which only a part can emerge from the body through an opening of smaller diameter than said piston.
  • These elastic stops are arranged in the case in such a way that the movement of the balls or piston 13 takes place perpendicular to the axis 4 of the winding crown and rests on this axis 4.
  • the balls 13 of the elastic stops abut against the first portion 4.1 of the axis 4 of the winding crown. so that during the rotation of the latter the user perceives a difference in torque when said balls 13 fall into the grooves 4.3 or come out.
  • the elastic stops are positioned so that the balls 13 are housed in the grooves 4.3 of the axis 4 of the winding crown when the winding crown is in the rest position, aligned with the formations 2, 3 of the box B ( figures 1 , 6), the user has no difficulty in placing the winding crown in its exact rest position since it is indexed by the elastic stops.
  • the winding crown is maintained in its rest position at least when it is in winding position 0 so as not to move inadvertently under the effect of shocks for example, the indexing device being active.
  • the indexing device can be active only when the winding crown is in winding position 0 or also when this crown is in setting position 1 of the date.
  • the indexing device is in the inactive position, the balls 13 resting on the second portion 4.2 of the axis 4 of the winding crown when this crown is in position 2 for setting the time, which allows fine and precise adjustment of the time display.
  • the indexing device of the winding crown is also active when this crown is in position 1 for setting the date, it is possible to adjust the gear ratio between the winding crown and the organ display of the date so that the passage from one date to the next corresponds to the rotation of the winding crown from one indexing position to the next, which facilitates the setting of the date.
  • the indexing device when the winding crown is in winding position 0 and in the rest position aligned with the formations 2, 3 of the case, the indexing device is active and maintains the crown in its angular rest position.
  • the user can wind the watch by causing the crown to rotate against the action of the indexing device, but he can ensure that at the end of winding the crown is again indexed in the rest position correctly aligned with respect to the gearbox without difficulty since the indexing device automatically fixes this position.
  • the indexing device can be active or inactive depending on whether the elastic stops are for this position of the crown in abutment against the first portion 4.1 or the second portion 4.2 of the axis of the winding crown. If the indexing device is active then it is possible to ensure that the movement of the display member from the date of one day to the next corresponds to a rotation of the winding crown of one of its indexing positions. to the next one.
  • the indexing device When the winding crown is in position 2 for setting the time, the indexing device is inactive, facilitating precise time setting.
  • the indexing device comprising a first part on the axis 4 of the winding crown and a second part mounted in the case B of the watch may be different from that described above.
  • the first part of the indexing device may consist of flats formed on the first portion 4.1 of the axis 4 of the winding crown and the indexing element (s) of the second part of the indexing device could be produced by a leaf spring fixed in the case and coming to rest against the first portion 4.1 of the axis 4 of the winding crown.
  • winding crown indexing device can be envisaged by those skilled in the art without departing from the scope of the present invention, which consists in that the indexing device of the winding crown is mounted on the inside the watch case so as not to be visible from the outside of it.
  • the first portion 4.1 of the axis 4 of the winding stem may only have a groove 4.3.
  • the second part of the indexing device has only one elastic stop.
  • the second part of the indexing device has at least two indexing elements which are radially opposed to each other in order to make the device more reliable and to give a balanced and more pleasant feeling to the device. 'user when indexing.
  • the invention also aims to provide a device for indexing the winding crown which is active or inactive depending on the axial position of the winding crown.
  • indexing device is particularly useful for control members having a non-cylindrical head, for example substantially rectangular or elongated.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Description

La présente invention se rapporte aux boîtes de montre équipées d'un organe de commande rotatif et déplaçable axialement comprenant une tête accessible de l'extérieur de la boîte reliée à un élément de tige monté radialement dans la boîte. L'organe de commande peut être par exemple une couronne de remontoir, un poussoir ou autre.The present invention relates to watch cases equipped with a rotary and axially displaceable control member comprising a head accessible from outside the case connected to a stem element mounted radially in the case. The control member may for example be a winding crown, a push-piece or the like.

La plupart du temps un organe de commande, notamment la couronne de remontoir, présente une forme circulaire ou symétrique par rapport à l'axe de la tige. Dans certains cas toutefois, dictés notamment par la forme et l'esthétique de la boîte de montre, la tête de la couronne de remontoir est allongée présentant en plan une forme sensiblement rectangulaire venant en position 0 s'intercaler entre des formations de la boîte de montre.Most of the time, a control member, in particular the winding crown, has a circular or symmetrical shape with respect to the axis of the stem. In certain cases, however, dictated in particular by the shape and aesthetics of the watch case, the head of the winding crown is elongated, presenting in plan a substantially rectangular shape coming in position 0 to be inserted between formations of the watch case. watch.

Dans ces cas, il est important que lorsque la couronne de remontoir est en position 0 sa tête soit correctement indexée pour occuper sa position de repos entre les formations de la boîte. Ceci est important tant sur le plan esthétique de la montre que sur le plan technique pour éviter que la tête de la couronne de remontoir ne puisse être accrochée ou choquée lors des mouvements de l'usager, il faut en effet éviter que les parties latérales de la tête de la couronne de remontoir saillent hors des formes de la boîte de montre ce qui, lors de chocs ou mouvements, pourrait endommager la couronne de remontoir.In these cases, it is important that when the winding crown is in position 0, its head is correctly indexed to occupy its rest position between the formations of the case. This is important both from the aesthetic point of view of the watch and from the technical point of view to prevent the head of the winding crown from being caught or knocked during the user's movements, it is indeed necessary to prevent the side parts of the the head of the winding crown protrudes outside the shape of the watch case which, during shocks or movements, could damage the winding crown.

On connaît du document CH 473412 une boîte de montre comportant un organe de remontage présentant une tête de forme allongée dans une direction perpendiculaire à l'axe de la tige de remontoir et est limitée par des surfaces latérales s'étendant, en position de repos, dans le prolongement de surfaces correspondantes de la boîte. Cette tête est maintenue dans cette position de repos par un dispositif d'indexage formé par une butée à bille logée dans une extrémité de ladite tête coopérant avec une creusure pratiquée dans la boîte de montre. Cette réalisation présente l'inconvénient que le dispositif d'indexage est visible lorsque la tête de l'organe de remontage est en position tirée de mise à l'heure.We know from the document CH 473412 a watch case comprising a winding member having a head of elongated shape in a direction perpendicular to the axis of the winding stem and is limited by lateral surfaces extending, in the rest position, in the extension of corresponding surfaces of the box. This head is maintained in this rest position by an indexing device formed by a ball stopper housed in one end of said head cooperating with a recess made in the box. watch. This embodiment has the drawback that the indexing device is visible when the head of the winding member is in the pulled-out position for setting the time.

On connaît encore du document CH 571241 un dispositif de fixation de la position axiale d'une tige de remontoir lorsque celle-ci est dans une position angulaire déterminée. Ce dispositif ne permet pas l'indexage de la position angulaire de la couronne de remontoir dans sa position 0 de remontage.We still know of the document CH 571241 a device for fixing the axial position of a winding stem when the latter is in a determined angular position. This device does not allow indexing of the angular position of the winding crown in its 0 winding position.

La présente invention a donc pour objet une boîte de montre équipée d'un organe de commande comportant une tête accessible de l'extérieur de la boîte solidaire d'un axe relié à une tige de remontoir montée radialement dans la boîte obviant aux inconvénients précités et qui se distingue par les caractéristiques énoncées à la revendication 1.The present invention therefore relates to a watch case equipped with a control member comprising a head accessible from the outside of the case secured to an axis connected to a winding stem mounted radially in the case obviating the aforementioned drawbacks and which is distinguished by the characteristics set out in claim 1.

Le dessin annexé illustre schématiquement et à titre d'exemple une forme d'exécution de la boîte de montre selon l'invention.

  • La figure 1 illustre en perspective une montre comportant une boîte équipée d'une couronne de remontoir.
  • La figure 2 est une vue de côté de la montre illustrée à la figure 1.
  • La figure 3 est une coupe partielle de la montre illustrée à la figure 2 suivant la ligne D-D, la couronne de remontoir étant en position 0.
  • La figure 4 est une coupe partielle de la montre illustrée à la figure 2 suivant la ligne D-D, la couronne de remontoir étant en position 2.
  • La figure 5 est une vue éclatée des pièces formant la couronne de remontoir.
The appended drawing illustrates schematically and by way of example an embodiment of the watch case according to the invention.
  • The figure 1 illustrates in perspective a watch comprising a case fitted with a winding crown.
  • The figure 2 is a side view of the watch shown on figure 1 .
  • The figure 3 is a partial section of the watch shown on figure 2 following line DD, the winding crown being in position 0.
  • The figure 4 is a partial section of the watch shown on figure 2 along line DD, with the winding crown in position 2.
  • The figure 5 is an exploded view of the parts forming the winding crown.

La figure 1 illustre en perspective une montre comportant une boîte B équipée d'une couronne de remontoir 1 dont la tête de forme allongée épouse en position 0 ou de remontage la forme de la boîte de montre. Dans cette position 0 la tête 1 est située entre deux formations 2, 3 de la boîte de montre mais grâce à ces petits côtés bombés elle peut être entraînée en rotation autour de son axe 4, perpendiculaire à la base de la tête traversant la paroi de la boîte de montre pour être reliée à une tige de remontoir montée dans un mouvement 5 logé dans la boîte B et s'étendant radialement par rapport à la boîte.The figure 1 illustrates in perspective a watch comprising a case B equipped with a winding crown 1, the elongated head of which in position 0 or winding matches the shape of the watch case. In this position 0 the head 1 is located between two formations 2, 3 of the watch case but thanks to these small curved sides it can be driven in rotation around its axis 4, perpendicular to the base of the head passing through the wall of the watch. the watch box for be connected to a winding stem mounted in a movement 5 housed in the case B and extending radially relative to the case.

La figure 5 illustre à titre d'exemple une forme particulière de la couronne de remontoir. L'axe 4 de la couronne de remontoir est solidaire d'un corps 6 sur lequel est sertie une pierre 7. Une coiffe 8 recouvre le corps 6 et laisse apparaître la pierre 7. Cette coiffe 8 est fixée sur le corps 6 par des vis 9. Cette couronne de remontoir pourrait être réalisée de bien d'autre façon c'est pourquoi dans ce qui suit les pièces 6, 7, et 8 seront considérées comme constituant la tête de la couronne de remontoir 1 de forme oblongue et solidaire de son axe 4.The figure 5 illustrates by way of example a particular shape of the winding crown. The axis 4 of the winding crown is integral with a body 6 on which is set a stone 7. A cap 8 covers the body 6 and reveals the stone 7. This cap 8 is fixed to the body 6 by screws 9. This winding crown could be produced in many other ways, which is why in what follows parts 6, 7, and 8 will be considered as constituting the head of the winding crown 1 of oblong shape and integral with its axis 4.

L'axe 4 de la couronne de remontoir s'étend perpendiculairement à la base de la tête 1 de cette couronne et traverse la paroi de la boîte B. Son extrémité comporte un taraudage permettant de l'accoupler à la tige de remontoir 10 montée dans le mouvement 5 logé dans la boîte B.The axis 4 of the winding crown extends perpendicularly to the base of the head 1 of this crown and passes through the wall of the case B. Its end has an internal thread making it possible to couple it to the winding stem 10 mounted in movement 5 housed in case B.

L'axe 4 de la couronne de remontoir comporte une première portion 4.1 de diamètre D et une portion terminale 4.2 de diamètre plus petit d. La première portion 4.1 présente deux rainures longitudinales 4.3 diamétralement opposées dont la profondeur correspond de préférence à la différence de rayon entre la première portion 4.1 et la portion terminale 4.2. Ces rainures longitudinales 4.3 s'étendent à partir de la portion terminale 4.2 de l'axe 4 sur une distance au moins égale à la course axiale de la couronne de remontoir séparant sa position 0 de sa position 1 et au plus égale à la course axiale de la couronne de remontoir séparant sa position 0 de sa position 2. La position 0 de la couronne de remontoir est la position pour laquelle l'usager peut remonter le barillet de sa montre, la position 1 de la couronne de remontoir est celle pour laquelle l'usager peut modifier l'affichage du quantième (ou autre complication) de sa montre et la position 2 de la couronne de remontoir est celle de la mise à l'heure.The axis 4 of the winding crown comprises a first portion 4.1 of diameter D and an end portion 4.2 of smaller diameter d. The first portion 4.1 has two diametrically opposed longitudinal grooves 4.3, the depth of which preferably corresponds to the difference in radius between the first portion 4.1 and the end portion 4.2. These longitudinal grooves 4.3 extend from the end portion 4.2 of axis 4 over a distance at least equal to the axial stroke of the winding crown separating its position 0 from its position 1 and at most equal to the axial stroke of the winding crown separating its position 0 from its position 2. Position 0 of the winding crown is the position for which the user can wind the barrel of his watch, position 1 of the winding crown is that for which the user can modify the date display (or other complication) of his watch and position 2 of the winding crown is that of setting the time.

Comme on le voit aux figures 3 et 4, ces rainures 4.3 sont placées dans un plan contenant également l'axe le plus long de la tête 1 vue en plan de la couronne de remontoir. Lorsque la couronne de remontoir est en position 0 de remontage et de repos illustrée à la figure 1, ces rainures 4.3 sont situées dans un plan parallèle au cadran de la montre passant par la tige de remontoir 10.As seen in figures 3 and 4 , these grooves 4.3 are placed in a plane also containing the longest axis of the head 1 seen in plan of the winding crown. When the winding crown is in position 0 of reassembly and rest illustrated in the figure 1 , these grooves 4.3 are located in a plane parallel to the dial of the watch passing through the winding stem 10.

Ces rainures 4.3 de l'axe 4 de la couronne de remontoir 1, 4 constituent dans cette forme d'exécution une première partie d'un dispositif d'indexage de la couronne de remontoir portée par l'axe de cette couronne de remontoir.These grooves 4.3 of the axis 4 of the winding crown 1, 4 constitute in this embodiment a first part of an indexing device for the winding crown carried by the axis of this winding crown.

Le dispositif d'indexage de la couronne de remontoir comporte encore une seconde partie montée dans la boîte de montre B et donc invisible de l'extérieur de la boîte de montre comprenant au moins un élément d'indexation coopérant avec l'axe 4 de la couronne de remontoir. Dans la forme d'exécution illustrée, cette seconde partie du dispositif d'indexage de la couronne de remontage comporte, montés à l'intérieur de la boîte B, deux éléments d'indexation formés chacun d'une butée élastique comportant un corps 11 fixé dans la boîte B renfermant un ressort 12 agissant sur un piston ou une bille 13 dont une partie seulement peut émerger du corps par une ouverture de plus petit diamètre que ledit piston. Ces butées élastiques sont disposées dans la boîte de telle façon que le mouvement des billes ou piston 13 s'effectue perpendiculairement à l'axe 4 de la couronne de remontoir et prennent appui sur cet axe 4.The indexing device of the winding crown also comprises a second part mounted in the watch case B and therefore invisible from the outside of the watch case comprising at least one indexing element cooperating with the axis 4 of the watch case. winding crown. In the embodiment illustrated, this second part of the indexing device of the winding crown comprises, mounted inside the case B, two indexing elements each formed of an elastic stop comprising a body 11 fixed. in the box B containing a spring 12 acting on a piston or a ball 13 of which only a part can emerge from the body through an opening of smaller diameter than said piston. These elastic stops are arranged in the case in such a way that the movement of the balls or piston 13 takes place perpendicular to the axis 4 of the winding crown and rests on this axis 4.

La position de ces butées élastiques est disposée dans la boîte de telle façon que leurs billes 13 butent contre la première portion 4.1 de grand diamètre D et comportant les rainures 4.3 de l'axe 4 de la couronne de remontoir lorsque celle-ci est en position 0 de remontage (figure 3) ou en position 1 de réglage du quantième. Par contre, lorsque la couronne de remontoir est en position 2 de mise à l'heure (figure 4) les billes 13 butent contre la seconde portion 4.2. de petit diamètre d de l'axe 4 de la couronne de remontoir.The position of these elastic stops is arranged in the case in such a way that their balls 13 abut against the first portion 4.1 of large diameter D and comprising the grooves 4.3 of the axis 4 of the winding crown when the latter is in position Winding 0 ( figure 3 ) or in position 1 for setting the date. On the other hand, when the winding crown is in position 2 for setting the time ( figure 4 ) the balls 13 abut against the second portion 4.2. of small diameter d of axis 4 of the winding crown.

De cette façon, lorsque la couronne de remontoir 1.4 est en position 2 de mise à l'heure, l'usager peut la faire tourner sur elle-même pour modifier l'affichage horaire sans que rien ne vienne gêner cette rotation, les billes 13 des butées élastiques étant en contact avec la seconde portion 4.2 de l'axe de la couronne de remontoir qui ne comporte pas les rainures 4.3.In this way, when the winding crown 1.4 is in time setting position 2, the user can turn it on itself to modify the time display without anything hindering this rotation, the balls 13 elastic stops being in contact with the second portion 4.2 of the axis of the winding crown which does not include the grooves 4.3.

Par contre, lorsque la couronne de remontoir est dans l'une de ses positions 0 de remontage ou 1 de réglage de la date, les billes 13 des butées élastiques butent contre la première portion 4.1 de l'axe 4 de la couronne de remontoir de sorte que lors de la rotation de celle-ci l'usager perçoit une différence de couple lorsque lesdites billes 13 tombent dans les rainures 4.3 ou en ressortent. Comme les butées élastiques sont positionnées de manière à ce que les billes 13 soient logées dans les rainures 4.3 de l'axe 4 de la couronne de remontoir lorsque la couronne de remontoir est en position de repos, alignée sur les formations 2, 3 de la boîte B (figures 1, 6), l'usager n'a pas de difficulté à placer la couronne de remontoir dans sa position de repos exacte puisqu'elle est indexée par les butées élastiques.On the other hand, when the winding crown is in one of its 0 winding or 1 date setting positions, the balls 13 of the elastic stops abut against the first portion 4.1 of the axis 4 of the winding crown. so that during the rotation of the latter the user perceives a difference in torque when said balls 13 fall into the grooves 4.3 or come out. As the elastic stops are positioned so that the balls 13 are housed in the grooves 4.3 of the axis 4 of the winding crown when the winding crown is in the rest position, aligned with the formations 2, 3 of the box B ( figures 1 , 6), the user has no difficulty in placing the winding crown in its exact rest position since it is indexed by the elastic stops.

De plus, la couronne de remontoir est maintenue dans sa position de repos au moins lorsqu'elle est en position 0 de remontage de manière à ne pas se déplacer de façon intempestive sous l'effet de chocs par exemple, le dispositif d'indexage étant actif.In addition, the winding crown is maintained in its rest position at least when it is in winding position 0 so as not to move inadvertently under the effect of shocks for example, the indexing device being active.

Suivant la longueur de la première portion 4.2 de l'axe 4 de la couronne de remontoir, le dispositif d'indexage peut être actif seulement lorsque la couronne de remontoir est en position 0 de remontage ou également lorsque cette couronne est en position 1 de réglage de la date.Depending on the length of the first portion 4.2 of axis 4 of the winding crown, the indexing device can be active only when the winding crown is in winding position 0 or also when this crown is in setting position 1 of the date.

Dans tous les cas, le dispositif d'indexage est en position inactive, les billes 13 en appui sur la seconde portion 4.2 de l'axe 4 de la couronne de remontoir lorsque cette couronne est en position 2 de mise à l'heure ce qui permet un réglage fin et précis de l'affichage horaire.In all cases, the indexing device is in the inactive position, the balls 13 resting on the second portion 4.2 of the axis 4 of the winding crown when this crown is in position 2 for setting the time, which allows fine and precise adjustment of the time display.

Dans le cas où le dispositif d'indexage de la couronne de remontoir est actif également lorsque cette couronne est en position 1 de réglage de la date, il est possible d'ajuster le rapport d'engrenage entre la couronne de remontoir et l'organe d'affichage de la date pour que le passage d'un quantième au suivant corresponde à la rotation de la couronne de remontoir d'une position d'indexage à la suivante ce qui facilite le réglage de la date.In the case where the indexing device of the winding crown is also active when this crown is in position 1 for setting the date, it is possible to adjust the gear ratio between the winding crown and the organ display of the date so that the passage from one date to the next corresponds to the rotation of the winding crown from one indexing position to the next, which facilitates the setting of the date.

Ainsi, lorsque la couronne de remontoir est en position 0 de remontage et en position de repos alignée sur les formations 2, 3 de la boîte, le dispositif d'indexage est actif et maintient la couronne dans sa position angulaire de repos. L'usager peut remonter la montre en entraînant la couronne en rotation contre l'action du dispositif d'indexage mais il peut s'assurer qu'en fin de remontage la couronne soit de nouveau indexée en position de repos correctement alignée par rapport à la boîte sans difficulté puisque le dispositif d'indexage fixe automatiquement cette position.Thus, when the winding crown is in winding position 0 and in the rest position aligned with the formations 2, 3 of the case, the indexing device is active and maintains the crown in its angular rest position. The user can wind the watch by causing the crown to rotate against the action of the indexing device, but he can ensure that at the end of winding the crown is again indexed in the rest position correctly aligned with respect to the gearbox without difficulty since the indexing device automatically fixes this position.

Lorsque la couronne de remontoir est en position 1 de réglage du quantième, le dispositif d'indexage peut être actif ou inactif suivant que les butées élastiques soient pour cette position de la couronne en butée contre la première portion 4.1 ou la seconde portion 4.2 de l'axe de la couronne de remontoir. Si le dispositif d'indexage est actif alors on peut faire en sorte que le déplacement de l'organe d'affichage du quantième d'un jour au suivant corresponde à une rotation de la couronne de remontage d'une de ses positions d'indexage à la suivante.When the winding crown is in position 1 for setting the date, the indexing device can be active or inactive depending on whether the elastic stops are for this position of the crown in abutment against the first portion 4.1 or the second portion 4.2 of the axis of the winding crown. If the indexing device is active then it is possible to ensure that the movement of the display member from the date of one day to the next corresponds to a rotation of the winding crown of one of its indexing positions. to the next one.

Lorsque la couronne de remontoir est en position 2 de réglage de l'heure, le dispositif d'indexation est inactif facilitant une mise à l'heure précise.When the winding crown is in position 2 for setting the time, the indexing device is inactive, facilitating precise time setting.

Bien entendu, le dispositif d'indexage comprenant une première partie sur l'axe 4 de la couronne de remontoir et une seconde partie montée dans la boîte B de la montre peut être différent de celui décrit ci-dessus. Par exemple, la première partie du dispositif d'indexage peut être constituée de plats formés sur la première portion 4.1 de l'axe 4 de la couronne de remontoir et le ou les éléments d'indexation de la seconde partie du dispositif d'indexage pourrait être réalisé par une lame ressort fixée dans la boîte et venant s'appuyer contre la première portion 4.1 de l'axe 4 de la couronne de remontoir. D'autres réalisations du dispositif d'indexage de la couronne de remontoir sont envisageables par l'homme du métier sans sortir du cadre de la présente invention qui consiste en ce que le dispositif d'indexage de la couronne de remontoir est monté à l'intérieur de la boîte de montre pour ne pas être visible de l'extérieur de celle-ci.Of course, the indexing device comprising a first part on the axis 4 of the winding crown and a second part mounted in the case B of the watch may be different from that described above. For example, the first part of the indexing device may consist of flats formed on the first portion 4.1 of the axis 4 of the winding crown and the indexing element (s) of the second part of the indexing device could be produced by a leaf spring fixed in the case and coming to rest against the first portion 4.1 of the axis 4 of the winding crown. Other embodiments of the winding crown indexing device can be envisaged by those skilled in the art without departing from the scope of the present invention, which consists in that the indexing device of the winding crown is mounted on the inside the watch case so as not to be visible from the outside of it.

Dans ces variantes, la première portion 4.1 de l'axe 4 de la tige de remontoir peut ne comporter qu'une rainure 4.3. Dans ce cas, la seconde partie du dispositif d'indexage ne comporte qu'une seule butée élastique. Cependant, de préférence, la seconde partie du dispositif d'indexage comporte au moins deux éléments d'indexation qui sont radialement opposés l'un de l'autre afin de rendre le dispositif plus fiable et de donner une sensation équilibrée et plus agréable à l'utilisateur lors de l'indexage.In these variants, the first portion 4.1 of the axis 4 of the winding stem may only have a groove 4.3. In this case, the second part of the indexing device has only one elastic stop. Preferably, however, the second part of the indexing device has at least two indexing elements which are radially opposed to each other in order to make the device more reliable and to give a balanced and more pleasant feeling to the device. 'user when indexing.

L'invention vise encore à réaliser un dispositif d'indexage de la couronne de remontoir qui soit actif ou inactif suivant la position axiale de la couronne de remontoir.The invention also aims to provide a device for indexing the winding crown which is active or inactive depending on the axial position of the winding crown.

La présence du dispositif d'indexage est particulièrement utile pour des organes de commande présentant une tête non cylindrique par exemple sensiblement rectangulaire ou allongée.The presence of the indexing device is particularly useful for control members having a non-cylindrical head, for example substantially rectangular or elongated.

Claims (10)

  1. Watch case (B) fitted with a winding crown (1, 4) capable of axial movement and rotation, the winding crown comprising a head (1) which can be accessed from outside the case (B) and a staff (4) fixed relative to the head (1) and passing through the wall of the case (B) so as to able to be coupled to a winding rod (10) extending radially with respect to the case (B), the case (B) comprising a device (4.3, 11-13) for indexing the winding crown (1, 4) located fully within the case (B), this indexing device (4.3, 11-13) allowing the winding crown (1, 4) to be indexed in rotation about its staff (4) and being active or inactive according to the axial position of the winding crown (1, 4), the case (B) being characterised in that the indexing device (4.3, 11-13) comprises a first part borne by the staff (4) of the winding crown (1, 4) and a second part mounted in the case (B) and comprising at least one indexing element (11-13) cooperating with said first part (4.3).
  2. Case as claimed in claim 1, characterised in that the indexing device (4.3, 11-13) is active when the winding crown (1, 4) is in the winding position, position 0.
  3. Case as claimed in claim 2, characterised in that the indexing device (4.3, 11-13) is inactive when the winding crown (1, 4) is in the time-setting position, position 2.
  4. Case as claimed in claim 2 and claim 3, characterised in that the indexing device (4.3, 11-13) is active when the winding crown (1, 4) is in the date-setting position, position 1.
  5. Case as claimed in any one of the preceding claims, characterised in that the second part of the indexing device (4.3, 11-13) comprises at least two indexing elements (11-13) which are radially opposite one another.
  6. Case as claimed in any one of the preceding claims, characterised in that each indexing element (11-13) of the second part of the indexing device (4.3, 11-13) is formed by at least one elastic stop mounted in the case (B) coming to rest against the lateral surface of the staff (4) of the winding crown (1, 4).
  7. Case as claimed in claim 6, characterised in that the first part of the indexing device (4.3, 11-13) is formed by at least one longitudinal groove (4.3) formed in a first portion (4.1) of the staff (4) of the winding crown (1, 4), the second portion (4.2) of this staff (4) forming its end having a smaller diameter than its first portion (4.1).
  8. Case as claimed in claim 7, characterised in that when the head (1) of the winding crown (1, 4) is in the winding/resting position, position 0, aligned with formations (2, 3) on the case (B) at least one elastic stop (11-13) abuts against the first portion (4.1) of the staff (4) at the bottom of the at least one groove (4.3).
  9. Case as claimed in any one of claims 7 or 8, characterised in that the indexing device (4.3, 11-13) comprises two elastic stops (11-13) and two grooves (4.3).
  10. Case as claimed in any one of the preceding claims, characterised in that the shape of the head (1) of the winding crown (1, 4) is non-cylindrical, preferably substantially rectangular or elongate.
EP16701205.3A 2015-01-14 2016-01-13 Watch case Active EP3245563B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00042/15A CH710626A1 (en) 2015-01-14 2015-01-14 Watch case provided with a control member and an indexing of the controller device.
PCT/IB2016/050133 WO2016113675A1 (en) 2015-01-14 2016-01-13 Watch case

Publications (2)

Publication Number Publication Date
EP3245563A1 EP3245563A1 (en) 2017-11-22
EP3245563B1 true EP3245563B1 (en) 2020-12-16

Family

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Application Number Title Priority Date Filing Date
EP16701205.3A Active EP3245563B1 (en) 2015-01-14 2016-01-13 Watch case

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EP (1) EP3245563B1 (en)
CN (1) CN107209476B (en)
CH (1) CH710626A1 (en)
WO (1) WO2016113675A1 (en)

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EP4057079A1 (en) * 2021-03-10 2022-09-14 Meco S.A. Device for controlling a timepiece movement with touch return and timepiece, in particular a watch, including such a device

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CH713858A1 (en) * 2017-06-08 2018-12-14 Richemont Int Sa Timepiece.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4057079A1 (en) * 2021-03-10 2022-09-14 Meco S.A. Device for controlling a timepiece movement with touch return and timepiece, in particular a watch, including such a device
US11774908B2 (en) 2021-03-10 2023-10-03 Meco Sa Device for controlling a horological movement with tactile feedback and timepiece, in particular a watch, comprising such a device

Also Published As

Publication number Publication date
CH710626A1 (en) 2016-07-15
EP3245563A1 (en) 2017-11-22
CN107209476A (en) 2017-09-26
CN107209476B (en) 2021-01-05
WO2016113675A1 (en) 2016-07-21

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