EP3644134B1 - Stopping device for oscillating system - Google Patents

Stopping device for oscillating system Download PDF

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Publication number
EP3644134B1
EP3644134B1 EP19204862.7A EP19204862A EP3644134B1 EP 3644134 B1 EP3644134 B1 EP 3644134B1 EP 19204862 A EP19204862 A EP 19204862A EP 3644134 B1 EP3644134 B1 EP 3644134B1
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EP
European Patent Office
Prior art keywords
stopping device
braking member
balance
balance shaft
watch
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EP19204862.7A
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German (de)
French (fr)
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EP3644134A1 (en
Inventor
Karsten Fraessdorf
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Watch Connaisseur Project SA
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Watch Connaisseur Project SA
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Publication of EP3644134A1 publication Critical patent/EP3644134A1/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/004—Mechanical devices for setting the time indicating means having several simultaneous functions, e.g. stopping or starting the clockwork or the hands

Definitions

  • the present invention relates generally to a stop device for an oscillating system of a watch movement, mounted in a watch, in the field of watchmaking.
  • Stopping devices for an oscillating system in particular for a watch balance, are known in the prior art.
  • the document EP1451647 describes a balance stop device comprising a spring with two substantially V-shaped arms which can be applied to a radially peripheral contour of the balance.
  • this system has the particular drawback of not making it possible to stop or brake a balance without balance rim (that is to say having no radially peripheral contour).
  • the stop device causes the application of forces on the radially peripheral contour, which is damaging to the balance, a balance shaft or the assembly of the balance and shaft assembly in the movement, disturbs the proper adjustment of operating and geometry clearances, and causes premature wear of movement parts.
  • stopping the oscillating system is imprecise, slow and not very reproducible, because of the sliding of the spring on the radially peripheral contour of the balance, and is bulky.
  • the document EP 3 136 187 discloses a stopping device for an oscillating system of a watch movement comprising a braking member of the double plate.
  • An aim of the present invention is to respond to the drawbacks of the documents of the prior art mentioned above and in particular, first of all, to propose a fast, precise and reliable oscillating system stopping device, applicable both for a balance provided with a rim than for a balance without rim, with a reduced bulk.
  • the double tray includes at least one large tray and at least one small tray.
  • the braking member or brake has at least two positions, a first position in which the brake is at a distance from the large plate of the double plate and a second position in which the brake is in contact with the large plate of the double plate. , so as to brake and stop it.
  • the stopping device is suitable both for a balance with a balance rim and for a balance without a balance rim.
  • the device reduces the mechanical stresses on the balance, on the balance shaft and on the related movement parts, so as to guarantee good behavior over time and long-term performance conservation. In addition, this makes it possible to provide a stop device of reduced bulk.
  • the balance shaft has an axis of rotation
  • the braking member is movable in translation in a direction parallel to the axis of rotation of the balance shaft.
  • the braking member comprises at least one ring portion arranged to come into contact with the large plate.
  • the ring portion of the braking member comprises at least two braking portions arranged at 180 ° to each other with respect to the balance shaft. This limits the overturning torques on the balance shaft.
  • the double plate further comprises a small plate, and an outside diameter of the large plate is larger than an outside diameter of the small plate.
  • a diameter value of the large plate is greater than at least twice, preferably three times, very preferably four times a diameter value of the small plate.
  • the large plate has a peripheral annular contact surface, and the braking member comes into contact with the large plate at its annular contact surface.
  • the large plate has a peripheral annular contact surface, and the braking member comes into contact with the large plate at the level of its annular contact surface, on the side of its outer diameter, at the level of a flat peripheral surface. .
  • a contact surface between the double plate and the braking member is greater than 1 mm 2 , preferably 5 mm 2 .
  • the large plate has an annular surface arranged to be braked by the braking member, and a contact surface between the double plate and the braking member is greater than 90%, preferably 95% of the annular surface of the double. tray.
  • the large plate has a strange annular surface arranged to be braked by the braking member, and the braking member has a strange surface arranged so as to match the strange surface of the large plate.
  • the braking member has a braking surface
  • the large plate has an annular surface arranged parallel to the braking surface of the braking member both when the braking member is in the braking position and when the brake member is in the braking position.
  • 'braking member is remote from the large plate, and arranged to be braked by the braking member.
  • the braking member comprises at least a first ring portion arranged to come into contact with the large plate, a second ring and at least one connecting shaft arranged to make the first ring portion and the second ring integral. and to be in sliding connection with a cage base of the watch movement, the first ring portion and the second ring being located on either side of the cage base.
  • the cage can be a tourbillon cage or a movement cage.
  • the stop control lever is connected to the second ring.
  • the stop control lever is arranged to lift or move the second ring.
  • the stopping device further comprises at least one return spring arranged to return the braking member.
  • the stop device further comprises at least one return spring arranged to return the second ring.
  • the return spring has a high stiffness and is arranged to prevent unwanted contact of the braking member on the large plate in the event of an impact.
  • the oscillating system further comprises a shock absorber mounted in a watch movement bridge, the shock absorber comprising at least one chimney arranged to receive one end of the balance shaft on the side opposite to the control member. braking, so as to allow a translation of the balance shaft parallel to a translation of the braking member.
  • the balance shaft comprises a stop portion on the side opposite to the braking member and in which there is a predetermined clearance between the chimney and the stop portion.
  • the balance shaft is arranged so as to position the stop portion at a safe distance from the chimney.
  • a stroke of the braking member is greater than or equal to the predetermined clearance between the chimney and the stop portion.
  • the term “chimney” is understood to mean a guide and / or passage hole and a stop part arranged opposite the stop portion of the balance shaft.
  • the balance shaft is, in other words, a stepped shaft or includes a shoulder. It can typically be considered that the predetermined play is of the order of 5/100 th of a mm, and that the stroke of the braking member is 8/100 th of a mm.
  • the shock absorber further comprises at least one bezel, one ruby, a counter-pivot and a damping spring.
  • the shock absorber has an admissible travel before the opening of the damping spring greater than the predetermined clearance between the chimney and the stop portion.
  • admissible stroke of the shock absorber is meant a second predetermined clearance between the ruby and the counter-pivot, typically of the order of 8 / 100th mm.
  • the stopping device further comprises a lever rocker arranged to cooperate with the control lever and a winding stem of the watch movement.
  • control lever comprises a cam portion, arranged to be in contact with the lever rocker.
  • the cam portion has a strange portion, arranged to be in contact with the lever rocker, so as to make it possible to transform a movement of the lever rocker into a perpendicular movement of the control lever.
  • the movement further comprises a zipper lever, a zipper spring and a sliding pinion.
  • control lever further comprises an attachment end, fixed to a fixed plate integral with a watch case, and a movable end arranged to come into contact with the braking member.
  • the cam portion is located between the attachment end and the mobile end, at a distance at least equal to one third of a mobile length of the control lever, counted from the attachment end.
  • a second aspect of the present invention relates to an oscillating system comprising a stop device according to the first aspect.
  • a third aspect of the present invention is a watch movement comprising a stop device for an oscillating system according to the first aspect or an oscillating system according to the second aspect.
  • a fourth aspect of the present invention is a watch comprising a stop device for an oscillating system according to the first aspect, an oscillating system according to the second aspect or a watch movement according to the third aspect.
  • the figure 1 shows a stop device for an oscillating system of a watch movement according to the present invention, in a stopped position.
  • the stopper 100 is shown in a position in which it brakes or stops the oscillating system 200, and is a sectional view CC of the figure 7 .
  • the oscillating system 200 comprises a balance shaft 9, a balance 9.1 mounted on the balance shaft 9, a hairspring 9.5 not shown here for reasons of clarity of the figure (but shown in figure 9 ) cooperating with the balance 9.1 and allowing oscillation according to a principle well known in watchmaking.
  • the oscillating system 200 further comprises a double plate 8 with at least one large plate 8.1 and a small plate 8.2, mounted on the balance shaft 9.
  • the diameter of the large plate 8.1 is at least twice, preferably three times, very preferably four times the diameter of the small plate 8.2.
  • the balance 9.1 comprises at least one balancing mass 9.2 and at least one balancing screw 9.3, so as to ensure the correct balancing of the balance 9.1, and more generally, the good balancing of the oscillating system 200.
  • the stop device 100 comprises at least one stop control lever 6 and a braking member 7 connected to the stop control lever 6, and arranged to brake the double plate 8 by coming into contact with the large plate 8.1 of the double plate 8.
  • the braking member 7 comprises at least a first ring portion 7.4 arranged to come into contact with the large plate 8.1 of the double plate 8, a second ring 7.1 and at least one connecting shaft 7.3 arranged to make the first portion integral. 7.4 ring and the second ring 7.1 and to be in sliding connection with a cage base 20 of the watch movement 301, the first ring portion 7.4 and the second ring 7.1 being located on either side of the base cage 20.
  • the first ring portion 7.4 is a ring portion, which comprises a recess to allow free passage to an escapement system of the watch movement 301, cooperating with the oscillating system 100, in particular the double plate 8 and the balance. 9.1, which cooperation between the exhaust system and the oscillating system 200 is well known to those skilled in the art.
  • the second ring 7.1 is connected to the stop control lever 6 in order to transmit the movement thereof.
  • the sliding connection between the connecting shaft 7.3 and the cage base 20 ensures movement of the braking member 7 parallel to the axis of rotation of the balance shaft 9.
  • the first ring portion 7.4 of the braking member 7 is shown in contact with the large plate 8.1 of the double plate 8.
  • the stop control lever 6 receives a braking command or d 'stop on the part of the user, the stop control lever 6 is actuated towards the second ring 7.1 of the braking member 7 (that is to say towards the top of the figure 1 as shown) and drives the braking member 7 in translation.
  • the first ring portion 7.4 then follows this translation and comes into contact with the large plate 8.1 in order to brake and stop it, thus stopping the balance shaft 9 and the balance 9.1.
  • the braking movement in translation is transmitted to the balance shaft 9 which abuts on the upper cage bridge 10.
  • the upper cage bridge 10 also acts as a stud holder cooperating with the shaft. hairspring 9.5.
  • the balance shaft 9 further comprises a balance shaft end 9.4 arranged to be received or housed by a shock absorber 11, such as a shock absorbing device available commercially, for example from the company Incabloc. , and as will be described in figures 3 and 4 , representing an enlargement of zone D of the figures 1 and 2 .
  • the braking member 7 further comprises a return spring 7.2 arranged to return the braking member 7.
  • the return spring 7.2 is connected at a first end to the second ring 7.1 and at a second end to the cage base 20.
  • the spring 7.2 makes it possible to recall the braking member 7 but also to prevent untimely braking of the balance 9.1 in the event of an impact or sporting wear of the watch, in order to avoid any drift in the time indication of the watch. and the stroke of the needles.
  • the figure 2 represents the device for stopping the figure 1 , in a free position, i.e. without braking,
  • the figure 2 differs from the figure 1 in that it illustrates the braking member 7 in a free position, that is to say without braking.
  • the first ring portion 7.4 is not in contact with the large plate 8.1 of the double plate 8. It therefore does not brake or stop not the oscillating system 200, and the balance 9.1 and the balance shaft 9 are thus free to continue their periodic rotations.
  • the stop control lever 6 is kept away from the second ring 7.1 so as not to brake the oscillating system 200.
  • the return spring 7.2 maintains the second ring 7.1, thus making it possible to avoid any contact with the control member. braking 7 with the large plate 8.1 of the double plate 8, in particular in the event of an impact or sports wear of the watch.
  • the figure 3 shows an enlargement of the stop device 100 according to the present invention at the level of the end of the balance shaft 9.4, in the stop position.
  • the figure 3 uses the same embodiment as the figure 1 , in the same stop position.
  • the shock absorber 11 comprises at least one chimney 11.1, at least one bezel 11.5, at least one ruby 11.3 placed or housed in the bezel 11.5 or carried by the latter, at least one counter-pivot 11.4 and at least one spring amortization 11.2.
  • chimney 11.1 is meant a guide hole and / or passage in the shock absorber 11 and a stop part of the shock absorber 11 arranged opposite a stop portion of the end of the balance shaft 9.4.
  • the spring 11.2 makes it possible to retain the counter-pivot 11.4 in the event of an impact and the ruby 11.3 guides the end of the balance shaft 9.4 in order to ensure guidance with the minimum possible friction.
  • the figure 4 shows the enlargement of the stop device 100 according to the present invention at the level of the end of the balance shaft 9.4, in the free position.
  • the figure 4 uses the same embodiment as the figure 2 , in the same free position. It illustrates the difference in position with the figure 3 .
  • the figure 4 shows a predetermined clearance 11.7 between the stop part of the chimney 11.1 and the stop part 9.4.
  • This predetermined play 11.7 is typically of the order of 5 / 100th mm, and is less than the admissible stroke of the shock absorber 11.
  • the admissible stroke of the shock absorber 11 is the stroke available before the opening of the damping spring 11.2, between the ruby 11.3 and the counter-pivot 11.4, typically of the order of 8 / 100th mm.
  • the figure 5 shows the watch movement according to the present invention, in the stopped position, seen in elevation.
  • the figure 5 uses the same embodiment as the figure 1 , in the stop position, all the reference signs remaining the same.
  • the figure 6 uses the same embodiment as the figure 2 , in the free position, all the reference signs remaining identical.
  • the watch movement 301 further comprises a lever rocker 5 arranged to cooperate with the control lever 6 and a winding stem 1 connected to a winding crown 305 schematically shown and operable by the user of the watch, and shown schematically. in figure 11 .
  • the movement further includes a pull tab 2, a pull lever 3, a pull spring 3.1 and a sliding pinion 4.
  • the winding rod 1 cooperates with the control lever 6 via the lever rocker 5, the pull tab 2, the pull lever lever 3, the pull tab spring 3.1 and the sliding pinion 4.
  • the winding stem 1 thus has a first position, called the stop position, in which it makes it possible to actuate the control lever 6 and to stop the balance shaft 9 by means of the braking member 7. , as shown in figure 5 .
  • the winding stem 1 has a second position, called the free position, in which it leaves the balance shaft 9 free to oscillate, leaving the braking member 7 at a distance from the large plate 8.1 of the double plate 8, as shown. in figure 6 .
  • the movement also includes a lever rocker bridge 30 allowing the support and pivoting of the lever rocker 5.
  • the figure 7 uses the same embodiment as the figure 1 , in the stop position, all the reference signs remaining identical.
  • the figure 8 uses the same embodiment as the figure 2 , in the free position, all the reference signs remaining identical.
  • the winding stem 1 is in the stop position, and determines a so-called stop position of the pinion 4 along an axis of the winding stem 1.
  • the lever rocker 5 is therefore pivoted at a first angle corresponding to the stop position of the winding stem 1.
  • the lever lever 5 comprises two arms distributed on either side of a pivot 30.1 of the lever weighing bridge 30. In this first position, the first arm of the lever rocker 5 is engaged with the sliding pinion 4 and the second arm of the lever rocker 5 is in contact with a cam portion 6.1 of the control lever 6.
  • the first arm of the lever rocker 5 preferably has a length equal to one third of the length of the second arm of the lever lever 5.
  • the control lever 6 further comprises an attachment end 6.2, fixed to a fixed plate integral with the watch case 300 shown schematically at figure 11 , and a movable end arranged to come into contact with the braking member 7.
  • the cam portion 6.1 of the control lever 6 makes it possible to transform the movement of the lever rocker 5 in one plane into a movement in another plane of the control lever 6. In other words, a strange portion of the portion of cam 6.1 allows the movable end of the control lever 6 to be pivoted when it comes into contact with the lever rocker 5.
  • the cam portion 6.1 is located between the attachment end and the mobile end, at a distance at least equal to one third of a mobile length of the control lever 6, counted from the attachment end.
  • the winding stem 1 is in the free position, and determines the so-called free position of the sliding pinion 4 along the axis of the winding stem 1.
  • the lever rocker 5 is pivoted by a second angle around its axis of rotation of the pivot 30.1 of the lever weighing bridge 30.
  • the second arm of the lever rocker 5 is positioned at a distance from the cam portion 6.1 of the control lever 6 and therefore the control lever 6 does not come into contact with the braking member 7, leaving free oscillation for the balance 9.1 and the balance shaft 9.
  • the pull-tab spring 3.1 allows the return of the pull-tab 2.
  • the figure 9 shows the watch movement with the watch case according to the present invention, in a free position, that is to say without braking, seen in elevation.
  • the figure 9 resumes the embodiment of the figure 2 , leaving the oscillating system 200 free to oscillate, the set of reference signs being identical.
  • the movement includes the 9.5 hairspring to maintain the oscillation of the 9.1 balance.
  • the hairspring 9.5 is fixed at a first end by a piton to the upper cage bridge 10, acting as a piton holder, and is fixed at a second end to the balance shaft 9, for example using a ferrule.
  • the movement is arranged to be installed in a case 302 of the watch 300.
  • the figure 10 represents the watch movement according to the present invention, using the preceding reference signs.
  • the figure 10 illustrates the cooperation of the escapement 21 and the escape wheel 22 with the double plate 8 and the balance 9.1.
  • the figure 11 schematically represents the watch.
  • the watch 300 comprises the watch movement 301 allowing the travel of the hour, minute and second hands, and the watch case 302.
  • the crown 305 allows the user of the watch 300 to actuate the stop device 100 for the oscillating system 200 of movement 301, in particular to allow fine adjustment and positioning of the hands.
  • Watch 300 further comprises a bracelet 303 and an attachment system 304, so as to allow the watch to be worn on the user's wrist.

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Description

La présente invention concerne de manière générale un dispositif d'arrêt pour un système oscillant d'un mouvement de montre, monté dans une montre, dans le domaine de l'horlogerie.The present invention relates generally to a stop device for an oscillating system of a watch movement, mounted in a watch, in the field of watchmaking.

Il est connu dans l'art antérieur des dispositifs d'arrêt de système oscillant, en particulier de balancier de montre. Le document EP1451647 décrit un dispositif d'arrêt de balancier comprenant un ressort à deux bras sensiblement en forme de V qui peut être appliqué sur un contour radialement périphérique du balancier.Stopping devices for an oscillating system, in particular for a watch balance, are known in the prior art. The document EP1451647 describes a balance stop device comprising a spring with two substantially V-shaped arms which can be applied to a radially peripheral contour of the balance.

En contrepartie, ce système présente notamment l'inconvénient de ne pas permettre d'arrêter ou de freiner un balancier sans serge de balancier (c'est-à-dire n'ayant pas de contour radialement périphérique). De plus, le dispositif d'arrêt entraîne l'application d'efforts sur le contour radialement périphérique, ce qui est dommageable pour le balancier, un arbre de balancier ou le montage de l'ensemble balancier et arbre dans le mouvement, perturbe le bon ajustement des jeux de fonctionnement et de géométrie, et provoque une usure prématurée des pièces du mouvement. Par ailleurs, l'arrêt du système oscillant est peu précis, lent et peu reproductible, à cause du glissement du ressort sur le contour radialement périphérique du balancier, et est encombrant.On the other hand, this system has the particular drawback of not making it possible to stop or brake a balance without balance rim (that is to say having no radially peripheral contour). In addition, the stop device causes the application of forces on the radially peripheral contour, which is damaging to the balance, a balance shaft or the assembly of the balance and shaft assembly in the movement, disturbs the proper adjustment of operating and geometry clearances, and causes premature wear of movement parts. Furthermore, stopping the oscillating system is imprecise, slow and not very reproducible, because of the sliding of the spring on the radially peripheral contour of the balance, and is bulky.

Le document EP 3 136 187 divulgue un dispositif d'arrêt pour un système oscillant d'un mouvement de montre comprenant un organe de freinage du double plateau.The document EP 3 136 187 discloses a stopping device for an oscillating system of a watch movement comprising a braking member of the double plate.

Un but de la présente invention est de répondre aux inconvénients des documents de l'art antérieur mentionnés ci-dessus et en particulier, tout d'abord, de proposer un dispositif d'arrêt de système oscillant rapide, précis et fiable, applicable tant pour un balancier pourvu d'une serge que pour un balancier sans serge, avec un encombrement réduit.An aim of the present invention is to respond to the drawbacks of the documents of the prior art mentioned above and in particular, first of all, to propose a fast, precise and reliable oscillating system stopping device, applicable both for a balance provided with a rim than for a balance without rim, with a reduced bulk.

Pour cela, un premier aspect de l'invention concerne un dispositif d'arrêt pour un système oscillant d'un mouvement de montre, le système oscillant comprenant :

  • un arbre de balancier,
  • un balancier monté sur l'arbre de balancier,
  • un spiral,
  • un double plateau avec au moins un grand plateau, monté sur l'arbre de balancier,
le dispositif d'arrêt comprenant :
  • au moins un levier de commande d'arrêt de balancier,
dans lequel le dispositif d'arrêt comprend en outre un organe de freinage relié au levier de commande d'arrêt et agencé pour freiner le double plateau en entrant en contact avec le grand plateau du double plateau que le système comporte.For this, a first aspect of the invention relates to a stop device for an oscillating system of a watch movement, the oscillating system comprising:
  • a balance shaft,
  • a balance mounted on the balance shaft,
  • a hairspring,
  • a double chainring with at least one large chainring, mounted on the balance shaft,
the shut-off device comprising:
  • at least one balance stop control lever,
wherein the stopping device further comprises a braking member connected to the stop control lever and arranged to brake the double plate by coming into contact with the large plate of the double plate that the system comprises.

Il est entendu que le double plateau comprend au moins un grand plateau et au moins un petit plateau. De plus, l'organe de freinage ou frein présente au moins deux positions, une première position dans laquelle le frein est à distance du grand plateau du double plateau et une deuxième position dans laquelle le frein est en contact avec le grand plateau du double plateau, de sorte à le freiner et l'arrêter.It is understood that the double tray includes at least one large tray and at least one small tray. In addition, the braking member or brake has at least two positions, a first position in which the brake is at a distance from the large plate of the double plate and a second position in which the brake is in contact with the large plate of the double plate. , so as to brake and stop it.

Ceci permet de proposer un dispositif d'arrêt pour un système oscillant rapide, précis, fiable, évitant les à-coups, les glissements ou les coincements. De plus, comme l'application de l'effort de freinage n'est pas faite sur un contour radialement périphérique du balancier, le dispositif d'arrêt convient tant pour un balancier avec serge de balancier que pour un balancier sans serge de balancier. Plus encore, le dispositif réduit les contraintes mécaniques sur le balancier, sur l'arbre de balancier et sur les pièces du mouvement y afférentes, de sorte à garantir un bon comportement dans le temps et une conservation des performances sur le long terme. En outre, ceci permet de proposer un dispositif d'arrêt d'encombrement réduit.This makes it possible to provide a stop device for a fast, precise, reliable oscillating system, avoiding jolts, slipping or jamming. In addition, as the application of the braking force is not made on a radially peripheral contour of the balance, the stopping device is suitable both for a balance with a balance rim and for a balance without a balance rim. Moreover, the device reduces the mechanical stresses on the balance, on the balance shaft and on the related movement parts, so as to guarantee good behavior over time and long-term performance conservation. In addition, this makes it possible to provide a stop device of reduced bulk.

Avantageusement, l'arbre de balancier présente un axe de rotation, et l'organe de freinage est mobile en translation selon une direction parallèle à l'axe de rotation de l'arbre de balancier.Advantageously, the balance shaft has an axis of rotation, and the braking member is movable in translation in a direction parallel to the axis of rotation of the balance shaft.

Ceci permet de proposer un dispositif d'arrêt de système oscillant avec une grande précision et une application des efforts sans parasitage latéral, de sorte à assurer un freinage efficace et rapide, tout en préservant les pièces du mouvement d'efforts indus entraînant leur détérioration ou un jeu d'usure dégradant la précision du système oscillant.This makes it possible to provide an oscillating system stopping device with great precision and an application of forces without lateral interference, so as to ensure efficient and rapid braking, while preserving the parts from the movement of undue forces resulting in their deterioration or wear clearance degrading the precision of the oscillating system.

Avantageusement, l'organe de freinage comprend au moins une portion d'anneau agencée pour entrer en contact avec le grand plateau.Advantageously, the braking member comprises at least one ring portion arranged to come into contact with the large plate.

Ceci permet de proposer un dispositif d'arrêt avec une bonne répartition des efforts de l'organe de freinage sur la pièce à freiner, de sorte à permettre un freinage efficace, précis et rapide.This makes it possible to provide a stopping device with a good distribution of the forces of the braking member on the part to be braked, so as to allow efficient, precise and rapid braking.

Avantageusement, la portion d'anneau de l'organe de freinage comprend au moins deux portions de freinage agencées à 180° l'une de l'autre par rapport à l'arbre de balancier. Cela limite les couples de renversement sur l'arbre de balancier.Advantageously, the ring portion of the braking member comprises at least two braking portions arranged at 180 ° to each other with respect to the balance shaft. This limits the overturning torques on the balance shaft.

Avantageusement, le double plateau comprend en outre un petit plateau, et un diamètre extérieur du grand plateau est plus grand qu'un diamètre extérieur du petit plateau.Advantageously, the double plate further comprises a small plate, and an outside diameter of the large plate is larger than an outside diameter of the small plate.

Avantageusement, une valeur de diamètre du grand plateau est supérieure à au moins deux fois, préférentiellement trois fois, très préférentiellement quatre fois une valeur de diamètre du petit plateau.Advantageously, a diameter value of the large plate is greater than at least twice, preferably three times, very preferably four times a diameter value of the small plate.

Ceci permet d'augmenter et d'améliorer la surface de freinage de sorte à garantir un freinage efficace et rapide et limiter les efforts latéraux dommageables aux pièces du mouvement, tout en limitant les à-coups, les coincements et les glissements pouvant entrainer des vibrations.This makes it possible to increase and improve the braking surface so as to guarantee efficient and rapid braking and limit lateral forces damaging to the parts of the movement, while limiting jerks, jamming and slipping that can cause vibrations. .

Avantageusement, le grand plateau présente une surface de contact annulaire périphérique, et l'organe de freinage entre en contact avec le grand plateau au niveau de sa surface de contact annulaire.Advantageously, the large plate has a peripheral annular contact surface, and the braking member comes into contact with the large plate at its annular contact surface.

Avantageusement, le grand plateau présente une surface de contact annulaire périphérique, et l'organe de freinage entre en contact avec le grand plateau au niveau de sa surface de contact annulaire, du côté de son diamètre extérieur, au niveau d'une surface périphérique plane.Advantageously, the large plate has a peripheral annular contact surface, and the braking member comes into contact with the large plate at the level of its annular contact surface, on the side of its outer diameter, at the level of a flat peripheral surface. .

Ceci permet de proposer un dispositif d'arrêt précis et rapide, limitant les efforts transverses sur l'arbre de balancier et le balancier, de sorte à limiter les contraintes sur les pièces et l'usure, pouvant endommager les pièces et perturber les jeux de fonctionnement. De plus, cela limite les à-coups, les coincements et les glissements pouvant entrainer des vibrations.This makes it possible to provide a precise and rapid stopping device, limiting the transverse forces on the balance shaft and the balance, so as to limit the stresses on the parts and wear, which can damage the parts and disrupt the clearances. functioning. In addition, this limits jerks, jams and slips that can cause vibrations.

Avantageusement, une surface de contact entre le double plateau et l'organe de freinage est supérieure à 1 mm2, préférentiellement 5 mm2.Advantageously, a contact surface between the double plate and the braking member is greater than 1 mm 2 , preferably 5 mm 2 .

Avantageusement, le grand plateau présente une surface annulaire agencée pour être freinée par l'organe de freinage, et une surface de contact entre le double plateau et l'organe de freinage est supérieure à 90%, préférentiellement 95% de la surface annulaire du double plateau.Advantageously, the large plate has an annular surface arranged to be braked by the braking member, and a contact surface between the double plate and the braking member is greater than 90%, preferably 95% of the annular surface of the double. tray.

Ceci permet d'augmenter et d'optimiser la surface de contact de sorte à améliorer l'efficacité du freinage et limiter les contraintes parasites, tout en limitant les à-coups, les coincements et les glissements pouvant entrainer des vibrations.This makes it possible to increase and optimize the contact surface so as to improve braking efficiency and limit parasitic stresses, while limiting jerks, jamming and slipping which may cause vibrations.

Avantageusement, le grand plateau présente une surface annulaire bizautée agencée pour être freinée par l'organe de freinage, et l'organe de freinage présente une surface bizautée agencée de sorte à épouser la surface bizautée du grand plateau.Advantageously, the large plate has a bizarre annular surface arranged to be braked by the braking member, and the braking member has a bizarre surface arranged so as to match the bizarre surface of the large plate.

Ceci permet de proposer un dispositif d'arrêt de système oscillant précis et efficace, avec un équilibrage des efforts transverses et une limitation des contraintes mécaniques indues.This makes it possible to provide a device for stopping an oscillating system that is precise and efficient, with balancing of the transverse forces and a limitation of undue mechanical stresses.

Avantageusement, l'organe de freinage présente une surface de freinage, et le grand plateau présente une surface annulaire agencée parallèlement à la surface de freinage de l'organe de freinage tant lorsque que l'organe de freinage est en position de freinage que lorsque l'organe de freinage est à distance du grand plateau, et agencée pour être freinée par l'organe de freinage.Advantageously, the braking member has a braking surface, and the large plate has an annular surface arranged parallel to the braking surface of the braking member both when the braking member is in the braking position and when the brake member is in the braking position. 'braking member is remote from the large plate, and arranged to be braked by the braking member.

Ceci permet de proposer un dispositif d'arrêt de système oscillant avec un encombrement réduit, assurant un parallélisme adéquat et limitant les efforts transverses sur l'arbre de balancier, sur le balancier et les pièces du mouvement.This makes it possible to provide an oscillating system stopping device with reduced bulk, ensuring adequate parallelism and limiting transverse forces on the balance shaft, on the balance and on the movement parts.

Avantageusement, l'organe de freinage comprend au moins une première portion d'anneau agencée pour entrer en contact avec le grand plateau, un deuxième anneau et au moins un arbre de liaison agencé pour rendre solidaire la première portion d'anneau et le deuxième anneau et pour être en liaison glissière avec une base de cage du mouvement de montre, la première portion d'anneau et le deuxième anneau étant situé de part et d'autre de la base de cage.Advantageously, the braking member comprises at least a first ring portion arranged to come into contact with the large plate, a second ring and at least one connecting shaft arranged to make the first ring portion and the second ring integral. and to be in sliding connection with a cage base of the watch movement, the first ring portion and the second ring being located on either side of the cage base.

Ceci permet de proposer un dispositif d'arrêt de système oscillant avec un encombrement réduit, assurant un excellent parallélisme et limitant les efforts transverses sur l'arbre de balancier, le balancier et les pièces du mouvement. La cage peut être une cage de tourbillon ou une cage du mouvement.This makes it possible to provide an oscillating system stopping device with reduced bulk, ensuring excellent parallelism and limiting transverse forces on the balance shaft, the balance and the movement parts. The cage can be a tourbillon cage or a movement cage.

Avantageusement, le levier de commande d'arrêt est relié au deuxième anneau.Advantageously, the stop control lever is connected to the second ring.

Avantageusement, le levier de commande d'arrêt est agencé pour soulever ou déplacer le deuxième anneau.Advantageously, the stop control lever is arranged to lift or move the second ring.

Ceci permet de proposer un dispositif d'arrêt à l'encombrement réduit et à l'excellent parallélisme.This makes it possible to provide a stop device with reduced bulk and excellent parallelism.

Avantageusement, le dispositif d'arrêt comprend en outre au moins un ressort de rappel agencé pour rappeler l'organe de freinage.Advantageously, the stopping device further comprises at least one return spring arranged to return the braking member.

Avantageusement, le dispositif d'arrêt comprend en outre au moins un ressort de rappel agencé pour rappeler le deuxième anneau.Advantageously, the stop device further comprises at least one return spring arranged to return the second ring.

Avantageusement, le ressort de rappel à une raideur élevée et est agencé pour éviter un contact intempestif de l'organe de freinage sur le grand plateau en cas de choc.Advantageously, the return spring has a high stiffness and is arranged to prevent unwanted contact of the braking member on the large plate in the event of an impact.

Ceci permet de proposer un dispositif d'arrêt permettant de limiter les contacts intempestifs de l'organe de freinage contre le double plateau en cas de choc, et ainsi limiter la dérive temporelle et améliorer la précision du mouvement et de la montre en cas de choc ou de porté sportif. Ceci permet également de proposer un système compact et fiable, en particulier grâce à l'agencement du deuxième anneau et du ressort de rappel.This makes it possible to provide a stopping device making it possible to limit untimely contacts of the braking member against the double plate in the event of an impact, and thus limit the time drift and improve the precision of the movement and of the watch in the event of an impact. or worn sporty. This also makes it possible to provide a compact and reliable system, in particular thanks to the arrangement of the second ring and of the return spring.

Avantageusement, le système oscillant comprend en outre un amortisseur de choc monté dans un pont de mouvement de montre, l'amortisseur de choc comprenant au moins une cheminée agencée pour recevoir une extrémité de l'arbre de balancier du côté opposé à l'organe de freinage, de sorte à permettre une translation de l'arbre de balancier parallèle à une translation de l'organe de freinage.Advantageously, the oscillating system further comprises a shock absorber mounted in a watch movement bridge, the shock absorber comprising at least one chimney arranged to receive one end of the balance shaft on the side opposite to the control member. braking, so as to allow a translation of the balance shaft parallel to a translation of the braking member.

Avantageusement, l'arbre de balancier comprend une portion de butée du côté opposée à l'organe de freinage et dans lequel il existe un jeu prédéterminé entre la cheminée et la portion de butée.Advantageously, the balance shaft comprises a stop portion on the side opposite to the braking member and in which there is a predetermined clearance between the chimney and the stop portion.

Avantageusement, l'arbre de balancier est agencé de sorte à positionner la portion de butée à une distance de sécurité de la cheminée.Advantageously, the balance shaft is arranged so as to position the stop portion at a safe distance from the chimney.

Avantageusement, une course de l'organe de freinage est supérieure ou égale au jeu prédéterminé entre la cheminée et la portion de butée.Advantageously, a stroke of the braking member is greater than or equal to the predetermined clearance between the chimney and the stop portion.

On entend par cheminée un trou de guidage et/ou de passage et une partie d'arrêt agencée en regard de la portion de butée de l'arbre de balancier. L'arbre de balancier est, en d'autres termes, un arbre épaulé ou comprend un épaulement. On peut considérer typiquement que le jeu prédéterminé est de l'ordre de 5/100e de mm, et que la course de l'organe de freinage est de 8/100e de mm.The term “chimney” is understood to mean a guide and / or passage hole and a stop part arranged opposite the stop portion of the balance shaft. The balance shaft is, in other words, a stepped shaft or includes a shoulder. It can typically be considered that the predetermined play is of the order of 5/100 th of a mm, and that the stroke of the braking member is 8/100 th of a mm.

Ceci permet de proposer un dispositif d'arrêt avec un freinage précis et efficace, dont les jeux de fonctionnement permettent de garantir un bon fonctionnement lorsque le système oscillant n'est pas freiné, tout en assurant un freinage efficace lorsque le système oscillant est freiné.This makes it possible to provide a stopping device with precise and efficient braking, the operating clearances of which make it possible to guarantee good operation when the oscillating system is not braked, while ensuring effective braking when the oscillating system is braked.

Avantageusement, l'amortisseur de choc comprend en outre au moins un chaton, un rubis, un contre-pivot et un ressort d'amortissement.Advantageously, the shock absorber further comprises at least one bezel, one ruby, a counter-pivot and a damping spring.

Ceci permet de proposer un dispositif de freinage avec un amortisseur de choc efficace et robuste.This makes it possible to provide a braking device with an efficient and robust shock absorber.

Avantageusement, l'amortisseur de choc présente une course admissible avant l'ouverture du ressort d'amortissement supérieure au jeu prédéterminée entre la cheminée et la portion de butée.Advantageously, the shock absorber has an admissible travel before the opening of the damping spring greater than the predetermined clearance between the chimney and the stop portion.

On entend par course admissible de l'amortisseur de choc un deuxième jeu prédéterminé entre le rubis et le contre-pivot, typiquement de l'ordre de 8/100e mm.By admissible stroke of the shock absorber is meant a second predetermined clearance between the ruby and the counter-pivot, typically of the order of 8 / 100th mm.

Ceci permet de proposer un dispositif d'arrêt efficace et sûr, avec une grande durée de vie à un fonctionnement nominal. Il présente l'avantage de ne pas mater ou endommager, notamment par aplatissement, l'extrémité de l'arbre de balancier du côté opposé à l'organe de freinage. En effet, dans le cas d'endommagement de l'extrémité de l'arbre de balancier, une dérive de précision du mouvement horloger est constatée, de l'ordre de 30 secondes par jour.This makes it possible to provide an efficient and safe shutdown device with a long service life at nominal operation. It has the advantage of not matting or damaging, in particular by flattening, the end of the balance shaft on the side opposite to the braking member. In fact, in the event of damage to the end of the balance shaft, a precision drift of the watch movement is observed, of the order of 30 seconds per day.

Avantageusement, le dispositif d'arrêt comprend en outre une bascule de levier agencée pour coopérer avec le levier de commande et une tige de remontoir du mouvement de montre.Advantageously, the stopping device further comprises a lever rocker arranged to cooperate with the control lever and a winding stem of the watch movement.

Ceci permet de proposer un dispositif d'arrêt à l'encombrement réduit.This makes it possible to provide a stop device with reduced bulk.

Avantageusement, le levier de commande comprend une portion de came, agencée pour être en contact avec la bascule de levier.Advantageously, the control lever comprises a cam portion, arranged to be in contact with the lever rocker.

Avantageusement, la portion de came présente une portion bizautée, agencée pour être en contact avec la bascule de levier, de sorte à permettre de transformer un mouvement de la bascule de levier en un mouvement perpendiculaire du levier de commande.Advantageously, the cam portion has a bizarre portion, arranged to be in contact with the lever rocker, so as to make it possible to transform a movement of the lever rocker into a perpendicular movement of the control lever.

Avantageusement, le mouvement comprend en outre une bascule de tirette, un ressort de tirette et un pignon coulant.Advantageously, the movement further comprises a zipper lever, a zipper spring and a sliding pinion.

Ceci permet de proposer un dispositif d'arrêt à l'encombrement réduit et au fonctionnement efficace et intuitif pour l'utilisateur.This makes it possible to provide a stop device with reduced bulk and efficient and intuitive operation for the user.

Avantageusement, le levier de commande comprend en outre une extrémité d'attache, fixée à une platine fixe solidaire d'un boîtier de la montre, et une extrémité mobile agencé pour entrer en contact avec l'organe de freinage.Advantageously, the control lever further comprises an attachment end, fixed to a fixed plate integral with a watch case, and a movable end arranged to come into contact with the braking member.

Avantageusement, la portion de came est située entre l'extrémité d'attache et l'extrémité mobile, à une distance au moins égale à un tiers d'une longueur mobile du levier de commande, comptée depuis l'extrémité d'attache.Advantageously, the cam portion is located between the attachment end and the mobile end, at a distance at least equal to one third of a mobile length of the control lever, counted from the attachment end.

Ceci permet de proposer un dispositif d'arrêt de système oscillant avec un encombrement réduit et une application des efforts optimisée, allié à un fonctionnement intuitif.This makes it possible to provide an oscillating system stop device with a reduced bulk and an optimized application of forces, combined with intuitive operation.

Un deuxième aspect de la présent invention concerne un système oscillant comprenant un dispositif d'arrêt selon le premier aspect.A second aspect of the present invention relates to an oscillating system comprising a stop device according to the first aspect.

Ceci permet de proposer un système oscillant avec un dispositif d'arrêt rapide, précis et fiable, avec un encombrement réduit, réduisant ou limitant les contraintes mécaniques sur les pièces du système oscillant, et garantissant un comportement homogène dans le temps.This makes it possible to propose an oscillating system with a fast, precise and reliable stop device, with a reduced size, reducing or limiting the mechanical stresses on the parts of the oscillating system, and guaranteeing homogeneous behavior over time.

Un troisième aspect de la présente invention est un mouvement de montre comprenant un dispositif d'arrêt pour système oscillant suivant le premier aspect ou un système oscillant suivant le deuxième aspect.A third aspect of the present invention is a watch movement comprising a stop device for an oscillating system according to the first aspect or an oscillating system according to the second aspect.

Ceci permet de proposer un mouvement de montre avec un dispositif d'arrêt pour système oscillant rapide, précis et fiable, avec un encombrement réduit, réduisant ou limitant les contraintes mécaniques sur les pièces du mouvement, et garantissant un comportement homogène dans le temps.This makes it possible to propose a watch movement with a stop device for a fast, precise and reliable oscillating system, with a reduced size, reducing or limiting the mechanical stresses on the parts of the movement, and guaranteeing homogeneous behavior over time.

Un quatrième aspect de la présente invention est une montre comprenant un dispositif d'arrêt pour un système oscillant selon le premier aspect, un système oscillant suivant le deuxième aspect ou un mouvement de montre selon le troisième aspect.A fourth aspect of the present invention is a watch comprising a stop device for an oscillating system according to the first aspect, an oscillating system according to the second aspect or a watch movement according to the third aspect.

Ceci permet de proposer une montre avec un dispositif d'arrêt pour système oscillant rapide, précis et fiable, avec un encombrement réduit, réduisant ou limitant les contraintes mécaniques sur les pièces du mouvement, et garantissant un comportement homogène dans le temps. Ceci permet de proposer des montres avec une grande valeur ajoutée et une grande simplicité d'utilisation pour l'utilisateur, tout en réduisant les risques de dérive temporelle de la montre. Ceci permet également d'optimiser le réglage de la montre par l'utilisateur et autorise une grande précision de mesure temporelle à l'aide d'un chronographe coopérant avec un balancier dédié au chronographe ou avec un balancier commun pour la montre, ainsi qu'une grande précision d'indication des heures, minutes, secondes et sous-divisions des secondes. De plus, ceci permet de régler la montre en stoppant le balancier de sorte à permettre un réglage précis sans course des aiguilles pendant l'arrêt du balancier et à éviter tout endommagement du mouvement lors de ce réglage.This makes it possible to propose a watch with a stop device for a fast, precise and reliable oscillating system, with a reduced size, reducing or limiting the mechanical stresses on the parts of the movement, and guaranteeing homogeneous behavior over time. This makes it possible to offer watches with great added value and great ease of use for the user, while reducing the risks of the watch drifting over time. This also makes it possible to optimize the setting of the watch by the user and allows high precision of time measurement using a chronograph cooperating with a balance dedicated to the chronograph or with a common balance for the watch, as well as high precision in the indication of hours, minutes, seconds and sub-divisions seconds. In addition, this makes it possible to adjust the watch by stopping the balance so as to allow precise adjustment without travel of the hands during the stop of the balance and to avoid any damage to the movement during this adjustment.

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description détaillée qui suit d'un mode de réalisation de l'invention donné à titre d'exemple nullement limitatif et illustré par les dessins annexés, dans lesquels :

  • la figure 1 représente un dispositif d'arrêt pour un système oscillant d'un mouvement de montre selon la présente invention, dans une position à l'arrêt,
  • la figure 2 représente le dispositif d'arrêt selon la présente invention, dans une position libre, c'est-à-dire sans freinage,
  • la figure 3 représente un agrandissement du dispositif d'arrêt selon la présente invention au niveau d'une extrémité d'un arbre de balancier, dans une position d'arrêt,
  • la figure 4 représente l'agrandissement du dispositif d'arrêt selon la présente invention au niveau de l'extrémité de l'arbre de balancier, dans une position libre,
  • la figure 5 représente le mouvement de montre selon la présente invention, dans une position à l'arrêt, vu en élévation,
  • la figure 6 représente le mouvement de montre selon la présente invention, dans une position libre, c'est-à-dire sans freinage, vu en élévation,
  • la figure 7 représente le mouvement de montre selon la présente invention, dans une position à l'arrêt, vu en plan,
  • la figure 8 représente le mouvement de montre selon la présente invention, dans une position libre, c'est-à-dire sans freinage, vu en plan,
  • la figure 9 représente le mouvement de montre avec un boitier de montre selon la présente invention, dans une position libre, c'est-à-dire sans freinage, vu en élévation,
  • la figure 10 représente le mouvement de montre selon la présente invention, vu en plan,
  • la figure 11 représente schématiquement la montre.
Other characteristics and advantages of the present invention will emerge more clearly on reading the following detailed description of an embodiment of the invention given by way of non-limiting example and illustrated by the appended drawings, in which:
  • the figure 1 shows a stop device for an oscillating system of a watch movement according to the present invention, in a stationary position,
  • the figure 2 shows the stopping device according to the present invention, in a free position, that is to say without braking,
  • the figure 3 shows an enlargement of the stop device according to the present invention at one end of a balance shaft, in a stop position,
  • the figure 4 shows the enlargement of the stop device according to the present invention at the end of the balance shaft, in a free position,
  • the figure 5 represents the watch movement according to the present invention, in a stationary position, seen in elevation,
  • the figure 6 represents the watch movement according to the present invention, in a free position, that is to say without braking, seen in elevation,
  • the figure 7 shows the watch movement according to the present invention, in a stationary position, seen in plan,
  • the figure 8 represents the watch movement according to the present invention, in a free position, that is to say without braking, seen in plan,
  • the figure 9 represents the watch movement with a watch case according to the present invention, in a free position, that is to say without braking, seen in elevation,
  • the figure 10 shows the watch movement according to the present invention, seen in plan,
  • the figure 11 schematically represents the watch.

La figure 1 représente un dispositif d'arrêt pour un système oscillant d'un mouvement de montre selon la présente invention, dans une position à l'arrêt.The figure 1 shows a stop device for an oscillating system of a watch movement according to the present invention, in a stopped position.

En figure 1, le dispositif d'arrêt 100 est représenté dans une position dans laquelle il freine ou arrête le système oscillant 200, et est une vue en coupe C-C de la figure 7.In figure 1 , the stopper 100 is shown in a position in which it brakes or stops the oscillating system 200, and is a sectional view CC of the figure 7 .

Le système oscillant 200 comprend un arbre de balancier 9, un balancier 9.1 monté sur l'arbre de balancier 9, un spiral 9.5 non représenté ici pour des raisons de clarté de la figure (mais représenté en figure 9) coopérant avec le balancier 9.1 et permettant l'oscillation selon un principe bien connu en horlogerie. Le système oscillant 200 comprend en outre un double plateau 8 avec au moins un grand plateau 8.1 et un petit plateau 8.2, monté sur l'arbre de balancier 9. Le diamètre du grand plateau 8.1 est au moins deux fois, préférentiellement trois fois, très préférentiellement quatre fois le diamètre du petit plateau 8.2.The oscillating system 200 comprises a balance shaft 9, a balance 9.1 mounted on the balance shaft 9, a hairspring 9.5 not shown here for reasons of clarity of the figure (but shown in figure 9 ) cooperating with the balance 9.1 and allowing oscillation according to a principle well known in watchmaking. The oscillating system 200 further comprises a double plate 8 with at least one large plate 8.1 and a small plate 8.2, mounted on the balance shaft 9. The diameter of the large plate 8.1 is at least twice, preferably three times, very preferably four times the diameter of the small plate 8.2.

Le balancier 9.1 comprend au moins une masse d'équilibrage 9.2 et au moins une vis d'équilibrage 9.3, de sorte à assurer le bon équilibrage du balancier 9.1, et d'une manière plus globale, le bon équilibrage du système oscillant 200.The balance 9.1 comprises at least one balancing mass 9.2 and at least one balancing screw 9.3, so as to ensure the correct balancing of the balance 9.1, and more generally, the good balancing of the oscillating system 200.

Le dispositif d'arrêt 100 comprend au moins un levier de commande d'arrêt 6 et un organe de freinage 7 relié au levier de commande d'arrêt 6, et agencé pour freiner le double plateau 8 en entrant en contact avec le grand plateau 8.1 du double plateau 8.The stop device 100 comprises at least one stop control lever 6 and a braking member 7 connected to the stop control lever 6, and arranged to brake the double plate 8 by coming into contact with the large plate 8.1 of the double plate 8.

L'organe de freinage 7 comprend au moins une première portion d'anneau 7.4 agencée pour entrer en contact avec le grand plateau 8.1 du double plateau 8, un deuxième anneau 7.1 et au moins un arbre de liaison 7.3 agencé pour rendre solidaire la première portion d'anneau 7.4 et le deuxième anneau 7.1 et pour être en liaison glissière avec une base de cage 20 du mouvement de montre 301, la première portion d'anneau 7.4 et le deuxième anneau 7.1 étant situé de part et d'autre de la base de cage 20.The braking member 7 comprises at least a first ring portion 7.4 arranged to come into contact with the large plate 8.1 of the double plate 8, a second ring 7.1 and at least one connecting shaft 7.3 arranged to make the first portion integral. 7.4 ring and the second ring 7.1 and to be in sliding connection with a cage base 20 of the watch movement 301, the first ring portion 7.4 and the second ring 7.1 being located on either side of the base cage 20.

La première portion d'anneau 7.4 est une partie d'anneau, lequel comprend un évidemment pour laisser le passage libre à un système d'échappement du mouvement de montre 301, coopérant avec le système oscillant 100, notamment le double plateau 8 et le balancier 9.1, laquelle coopération entre le système d'échappement et le système oscillant 200 est bien connue de l'homme du métier.The first ring portion 7.4 is a ring portion, which comprises a recess to allow free passage to an escapement system of the watch movement 301, cooperating with the oscillating system 100, in particular the double plate 8 and the balance. 9.1, which cooperation between the exhaust system and the oscillating system 200 is well known to those skilled in the art.

Le deuxième anneau 7.1 est relié au levier de commande d'arrêt 6 afin de transmettre le mouvement de celui-ci. La liaison glissière entre l'arbre de liaison 7.3 et la base de cage 20 assure un mouvement de l'organe de freinage 7 parallèlement à l'axe de rotation de l'arbre de balancier 9.The second ring 7.1 is connected to the stop control lever 6 in order to transmit the movement thereof. The sliding connection between the connecting shaft 7.3 and the cage base 20 ensures movement of the braking member 7 parallel to the axis of rotation of the balance shaft 9.

En figure 1, la première portion d'anneau 7.4 de l'organe de freinage 7 est représentée en contact avec le grand plateau 8.1 du double plateau 8. En d'autres termes, lorsque levier de commande d'arrêt 6 reçoit une commande de freinage ou d'arrêt de la part de l'utilisateur, le levier de commande d'arrêt 6 est actionné vers le deuxième anneau 7.1 de l'organe de freinage 7 (c'est-à-dire vers le haut de la figure 1 telle que représentée) et entraîne l'organe de freinage 7 en translation. La première portion d'anneau 7.4 suit alors cette translation et entre en contact avec le grand plateau 8.1 afin de le freiner et de l'arrêter, arrêtant ainsi l'arbre de balancier 9 et le balancier 9.1.In figure 1 , the first ring portion 7.4 of the braking member 7 is shown in contact with the large plate 8.1 of the double plate 8. In other words, when the stop control lever 6 receives a braking command or d 'stop on the part of the user, the stop control lever 6 is actuated towards the second ring 7.1 of the braking member 7 (that is to say towards the top of the figure 1 as shown) and drives the braking member 7 in translation. The first ring portion 7.4 then follows this translation and comes into contact with the large plate 8.1 in order to brake and stop it, thus stopping the balance shaft 9 and the balance 9.1.

Le mouvement de freinage en translation est transmis à l'arbre de balancier 9 qui vient en butée sur le pont supérieur de cage 10. Dans le présent mode de réalisation, le pont supérieur de cage 10 fait également office de porte-piton coopérant avec le spiral 9.5. L'arbre de balancier 9 comprend en outre une extrémité d'arbre de balancier 9.4 agencée pour être reçu ou logée par un amortisseur de choc 11, tel qu'un dispositif amortisseur de choc disponible dans le commerce, par exemple auprès de la société Incabloc, et tel qu'il sera décrit en figures 3 et 4, représentant un agrandissement de la zone D des figures 1 et 2.The braking movement in translation is transmitted to the balance shaft 9 which abuts on the upper cage bridge 10. In this embodiment, the upper cage bridge 10 also acts as a stud holder cooperating with the shaft. hairspring 9.5. The balance shaft 9 further comprises a balance shaft end 9.4 arranged to be received or housed by a shock absorber 11, such as a shock absorbing device available commercially, for example from the company Incabloc. , and as will be described in figures 3 and 4 , representing an enlargement of zone D of the figures 1 and 2 .

L'organe de freinage 7 comprend en outre un ressort de rappel 7.2 agencé pour rappeler l'organe de freinage 7. Le ressort de rappel 7.2 est relié à une première extrémité au deuxième anneau 7.1 et à une second extrémité à la base de cage 20. Le ressort 7.2 permet de rappeler l'organe de freinage 7 mais également d'éviter un freinage intempestif du balancier 9.1 en cas de choc ou de porté sportif de la montre, afin d'éviter toute dérive de l'indication temporelle de la montre et de la course des aiguilles.The braking member 7 further comprises a return spring 7.2 arranged to return the braking member 7. The return spring 7.2 is connected at a first end to the second ring 7.1 and at a second end to the cage base 20. The spring 7.2 makes it possible to recall the braking member 7 but also to prevent untimely braking of the balance 9.1 in the event of an impact or sporting wear of the watch, in order to avoid any drift in the time indication of the watch. and the stroke of the needles.

La figure 2 représente le dispositif d'arrêt de la figure 1, dans une position libre, c'est-à-dire sans freinage,The figure 2 represents the device for stopping the figure 1 , in a free position, i.e. without braking,

Le mode de réalisation de la figure 2 étant le même que celui de la figure 1, l'ensemble des éléments et signes de référence sont repris.The embodiment of the figure 2 being the same as that of the figure 1 , all the reference elements and signs are included.

Toutefois, la figure 2 se distingue de la figure 1 en ce qu'elle illustre l'organe de freinage 7 dans une position libre, c'est-à-dire sans freinage.However, the figure 2 differs from the figure 1 in that it illustrates the braking member 7 in a free position, that is to say without braking.

La première portion d'anneau 7.4 n'est pas en contact avec le grand plateau 8.1 du double plateau 8. Il ne freine ni n'arrête donc pas le système oscillant 200, et le balancier 9.1 et l'arbre de balancier 9 sont ainsi libres de poursuivre leurs rotations périodiques.The first ring portion 7.4 is not in contact with the large plate 8.1 of the double plate 8. It therefore does not brake or stop not the oscillating system 200, and the balance 9.1 and the balance shaft 9 are thus free to continue their periodic rotations.

Le levier de commande d'arrêt 6 est tenu à distance du deuxième anneau 7.1 afin de pas freiner le système oscillant 200. Le ressort de rappel 7.2 assure le maintien du deuxième anneau 7.1, permettant ainsi d'éviter tout contact de l'organe de freinage 7 avec le grand plateau 8.1 du double plateau 8, notamment en cas de choc ou de porté sportif de la montre.The stop control lever 6 is kept away from the second ring 7.1 so as not to brake the oscillating system 200. The return spring 7.2 maintains the second ring 7.1, thus making it possible to avoid any contact with the control member. braking 7 with the large plate 8.1 of the double plate 8, in particular in the event of an impact or sports wear of the watch.

La figure 3 représente un agrandissement du dispositif d'arrêt 100 selon la présente invention au niveau de l'extrémité de l'arbre de balancier 9.4, dans la position d'arrêt.The figure 3 shows an enlargement of the stop device 100 according to the present invention at the level of the end of the balance shaft 9.4, in the stop position.

La figure 3 reprend le même mode de réalisation que la figure 1, dans la même position d'arrêt.The figure 3 uses the same embodiment as the figure 1 , in the same stop position.

L'amortisseur de choc 11 comprend au moins une cheminée 11.1, au moins un chaton 11.5, au moins un rubis 11.3 placé ou logé dans le chaton 11.5 ou porté par celui-ci, au moins un contre-pivot 11.4 et au moins un ressort d'amortissement 11.2.The shock absorber 11 comprises at least one chimney 11.1, at least one bezel 11.5, at least one ruby 11.3 placed or housed in the bezel 11.5 or carried by the latter, at least one counter-pivot 11.4 and at least one spring amortization 11.2.

On entend par cheminée 11.1 un trou de guidage et/ou de passage dans l'amortisseur de choc 11 et une partie d'arrêt de l'amortisseur de choc 11 agencée en regard d'une portion de butée de l'extrémité de l'arbre de balancier 9.4.By chimney 11.1 is meant a guide hole and / or passage in the shock absorber 11 and a stop part of the shock absorber 11 arranged opposite a stop portion of the end of the balance shaft 9.4.

En figure 3, l'extrémité de l'arbre 9.4 est représentée en butée contre la cheminée 11.1, assurant ainsi le freinage et/ou l'arrêt de l'arbre de balancier 9. Il existe un jeu de fonctionnement entre l'extrémité de l'arbre 9.4 et le contre-pivot 11.4 de sorte à ne pas endommager l'extrémité de l'arbre de balancier 9.4.In figure 3 , the end of the shaft 9.4 is shown in abutment against the chimney 11.1, thus ensuring the braking and / or stopping of the balance shaft 9. There is an operating clearance between the end of the shaft 9.4 and the counter-pivot 11.4 so as not to damage the end of the balance shaft 9.4.

Le ressort 11.2 permet de retenir le contre-pivot 11.4 en cas de choc et le rubis 11.3 guide l'extrémité de l'arbre de balancier 9.4 afin d'assurer un guidage avec le minimum de frottement possible.The spring 11.2 makes it possible to retain the counter-pivot 11.4 in the event of an impact and the ruby 11.3 guides the end of the balance shaft 9.4 in order to ensure guidance with the minimum possible friction.

La figure 4 représente l'agrandissement du dispositif d'arrêt 100 selon la présente invention au niveau de l'extrémité de l'arbre de balancier 9.4, dans la position libre.The figure 4 shows the enlargement of the stop device 100 according to the present invention at the level of the end of the balance shaft 9.4, in the free position.

La figure 4 reprend le même mode de réalisation que la figure 2, dans la même position libre. Elle illustre la différence de position avec la figure 3.The figure 4 uses the same embodiment as the figure 2 , in the same free position. It illustrates the difference in position with the figure 3 .

La figure 4 montre un jeu prédéterminé 11.7 entre la partie d'arrêt de la cheminée 11.1 et la portion de butée 9.4. Ce jeu prédéterminé 11.7 est typiquement de l'ordre de 5/100e mm, et est inférieur à la course admissible de l'amortisseur de choc 11.The figure 4 shows a predetermined clearance 11.7 between the stop part of the chimney 11.1 and the stop part 9.4. This predetermined play 11.7 is typically of the order of 5 / 100th mm, and is less than the admissible stroke of the shock absorber 11.

La course admissible de l'amortisseur de choc 11 est la course disponible avant l'ouverture du ressort d'amortissement 11.2, entre le rubis 11.3 et le contre-pivot 11.4, typiquement de l'ordre de 8/100e mm.The admissible stroke of the shock absorber 11 is the stroke available before the opening of the damping spring 11.2, between the ruby 11.3 and the counter-pivot 11.4, typically of the order of 8 / 100th mm.

La figure 5 représente le mouvement de montre selon la présente invention, dans la position à l'arrêt, vu en élévation.The figure 5 shows the watch movement according to the present invention, in the stopped position, seen in elevation.

La figure 5 reprend le même mode de réalisation que la figure 1, dans la position d'arrêt, l'ensemble des signes de référence restant identique.The figure 5 uses the same embodiment as the figure 1 , in the stop position, all the reference signs remaining the same.

La figure 6 reprend le même mode de réalisation que la figure 2, dans la position libre, l'ensemble des signes de référence restant identique.The figure 6 uses the same embodiment as the figure 2 , in the free position, all the reference signs remaining identical.

Le mouvement de montre 301 comprend en outre une bascule de levier 5 agencée pour coopérer avec le levier de commande 6 et une tige de remontoir 1 reliée à une couronne de remontoir 305 schématiquement représentée et opérable par l'utilisateur de la montre, et représentée schématiquement en figure 11.The watch movement 301 further comprises a lever rocker 5 arranged to cooperate with the control lever 6 and a winding stem 1 connected to a winding crown 305 schematically shown and operable by the user of the watch, and shown schematically. in figure 11 .

Le mouvement comprend en outre une tirette 2, une bascule de tirette 3, un ressort de tirette 3.1 et un pignon coulant 4.The movement further includes a pull tab 2, a pull lever 3, a pull spring 3.1 and a sliding pinion 4.

La tige de remontoir 1 coopère avec le levier de commande 6 par l'intermédiaire de la bascule de levier 5, de la tirette 2, de la bascule de tirette 3, du ressort de tirette 3.1 et du pignon coulant 4.The winding rod 1 cooperates with the control lever 6 via the lever rocker 5, the pull tab 2, the pull lever lever 3, the pull tab spring 3.1 and the sliding pinion 4.

La tige de remontoir 1 présente ainsi une première position, dite position d'arrêt, dans laquelle elle permet d'actionner le levier de commande 6 et d'arrêter l'arbre de balancier 9 par l'intermédiaire de l'organe de freinage 7, comme représenté en figure 5.The winding stem 1 thus has a first position, called the stop position, in which it makes it possible to actuate the control lever 6 and to stop the balance shaft 9 by means of the braking member 7. , as shown in figure 5 .

La tige de remontoir 1 présente une deuxième position, dite position libre, dans laquelle elle laisse libre d'osciller l'arbre de balancier 9, en laissant l'organe de freinage 7 à distance du grand plateau 8.1 du double plateau 8, comme représenté en figure 6.The winding stem 1 has a second position, called the free position, in which it leaves the balance shaft 9 free to oscillate, leaving the braking member 7 at a distance from the large plate 8.1 of the double plate 8, as shown. in figure 6 .

Le mouvement comprend également un pont de bascule de levier 30 permettant le supportage et le pivotement de la bascule de levier 5.The movement also includes a lever rocker bridge 30 allowing the support and pivoting of the lever rocker 5.

La figure 7 reprend le même mode de réalisation que la figure 1, dans la position d'arrêt, l'ensemble des signes de référence restant identiques.The figure 7 uses the same embodiment as the figure 1 , in the stop position, all the reference signs remaining identical.

La figure 8 reprend le même mode de réalisation que la figure 2, dans la position libre, l'ensemble des signes de référence restant identique.The figure 8 uses the same embodiment as the figure 2 , in the free position, all the reference signs remaining identical.

En figure 7, la tige de remontoir 1 est dans la position d'arrêt, et détermine une position dite d'arrêt du pignon 4 le long d'un axe de la tige de remontoir 1. La bascule de levier 5 est donc pivotée suivant un premier angle correspondant à la position d'arrêt de la tige de remontoir 1. La bascule de levier 5 comprend deux bras répartis de part et d'autre d'un pivot 30.1 du pont de bascule de levier 30. Dans cette première position, le premier bras de la bascule de levier 5 est en prise avec le pignon coulant 4 et le deuxième bras de la bascule de levier 5 est en contact avec une portion de came 6.1 du levier de commande 6. Le premier bras de la bascule de levier 5 présente de préférence une longueur égale au tiers de la longueur du deuxième bras de la bascule de levier 5.In figure 7 , the winding stem 1 is in the stop position, and determines a so-called stop position of the pinion 4 along an axis of the winding stem 1. The lever rocker 5 is therefore pivoted at a first angle corresponding to the stop position of the winding stem 1. The lever lever 5 comprises two arms distributed on either side of a pivot 30.1 of the lever weighing bridge 30. In this first position, the first arm of the lever rocker 5 is engaged with the sliding pinion 4 and the second arm of the lever rocker 5 is in contact with a cam portion 6.1 of the control lever 6. The first arm of the lever rocker 5 preferably has a length equal to one third of the length of the second arm of the lever lever 5.

Le levier de commande 6 comprend en outre une extrémité d'attache 6.2, fixée à une platine fixe solidaire du boîtier de la montre 300 représentée schématiquement en figure 11, et une extrémité mobile agencée pour entrer en contact avec l'organe de freinage 7.The control lever 6 further comprises an attachment end 6.2, fixed to a fixed plate integral with the watch case 300 shown schematically at figure 11 , and a movable end arranged to come into contact with the braking member 7.

La portion de came 6.1 du levier de commande 6 permet de transformer le mouvement de la bascule de levier 5 dans un plan en un mouvement dans un autre plan du levier de commande 6. En d'autres termes, une portion bizautée de la portion de came 6.1 permet de faire pivoter l'extrémité mobile du levier de commande 6 lorsqu'elle entre en contact avec la bascule de levier 5.The cam portion 6.1 of the control lever 6 makes it possible to transform the movement of the lever rocker 5 in one plane into a movement in another plane of the control lever 6. In other words, a bizarre portion of the portion of cam 6.1 allows the movable end of the control lever 6 to be pivoted when it comes into contact with the lever rocker 5.

La portion de came 6.1 est située entre l'extrémité d'attache et l'extrémité mobile, à une distance au moins égale à un tiers d'une longueur mobile du levier de commande 6, comptée depuis l'extrémité d'attache.The cam portion 6.1 is located between the attachment end and the mobile end, at a distance at least equal to one third of a mobile length of the control lever 6, counted from the attachment end.

En figure 8, la tige de remontoir 1 est dans la position libre, et détermine la position dite libre du pignon coulant 4 le long de l'axe de la tige de remontoir 1. Dans cette position libre, la bascule de levier 5 est pivotée d'un deuxième angle autour de son axe de rotation du pivot 30.1 du pont de bascule de levier 30. Le deuxième bras de la bascule de levier 5 est positionné à distance de la portion de came 6.1 du levier de commande 6 et donc le levier de commande 6 n'entre pas en contact avec l'organe de freinage 7, laissant l'oscillation libre pour le balancier 9.1 et l'arbre de balancier 9.In figure 8 , the winding stem 1 is in the free position, and determines the so-called free position of the sliding pinion 4 along the axis of the winding stem 1. In this free position, the lever rocker 5 is pivoted by a second angle around its axis of rotation of the pivot 30.1 of the lever weighing bridge 30. The second arm of the lever rocker 5 is positioned at a distance from the cam portion 6.1 of the control lever 6 and therefore the control lever 6 does not come into contact with the braking member 7, leaving free oscillation for the balance 9.1 and the balance shaft 9.

Le ressort de tirette 3.1 permet le rappel de la tirette 2.The pull-tab spring 3.1 allows the return of the pull-tab 2.

La figure 9 représente le mouvement de montre avec le boitier de montre selon la présente invention, dans une position libre, c'est-à-dire sans freinage, vu en élévation. La figure 9 reprend le mode de réalisation de la figure 2, laissant libre d'osciller le système oscillant 200, l'ensemble des signes de référence étant identique.The figure 9 shows the watch movement with the watch case according to the present invention, in a free position, that is to say without braking, seen in elevation. The figure 9 resumes the embodiment of the figure 2 , leaving the oscillating system 200 free to oscillate, the set of reference signs being identical.

Le mouvement comprend le spiral 9.5 permettant d'entretenir l'oscillation du balancier 9.1. Le spiral 9.5 est fixé à une première extrémité par un piton au pont supérieur de cage 10, faisant fonction de porte-piton, et est fixé à une deuxième extrémité à l'arbre de balancier 9, par exemple à l'aide d'une virole.The movement includes the 9.5 hairspring to maintain the oscillation of the 9.1 balance. The hairspring 9.5 is fixed at a first end by a piton to the upper cage bridge 10, acting as a piton holder, and is fixed at a second end to the balance shaft 9, for example using a ferrule.

Le mouvement est agencé pour être installé dans un boitier 302 de la montre 300.The movement is arranged to be installed in a case 302 of the watch 300.

La figure 10 représente le mouvement de montre suivant la présente invention, en reprenant les signes de références précédents. La figure 10 illustre la coopération de l'échappement 21 et de la roue d'échappement 22 avec le double plateau 8 et le balancier 9.1.The figure 10 represents the watch movement according to the present invention, using the preceding reference signs. The figure 10 illustrates the cooperation of the escapement 21 and the escape wheel 22 with the double plate 8 and the balance 9.1.

La figure 11 représente schématiquement la montre.The figure 11 schematically represents the watch.

La montre 300 comprend le mouvement de montre 301 permettant la course des aiguilles d'heures, minutes et secondes, et le boitier de montre 302. La couronne 305 permet à l'utilisateur de la montre 300 d'actionner le dispositif d'arrêt 100 pour le système oscillant 200 du mouvement 301, notamment pour permettre le réglage fin et le positionnement des aiguilles.The watch 300 comprises the watch movement 301 allowing the travel of the hour, minute and second hands, and the watch case 302. The crown 305 allows the user of the watch 300 to actuate the stop device 100 for the oscillating system 200 of movement 301, in particular to allow fine adjustment and positioning of the hands.

La montre 300 comprend en outre un bracelet 303 et un système d'attache 304, de sorte à permettre le porté de la montre au poignet de l'utilisateur.Watch 300 further comprises a bracelet 303 and an attachment system 304, so as to allow the watch to be worn on the user's wrist.

On comprendra que diverses modifications et/ou améliorations évidentes pour l'homme du métier peuvent être apportées aux différents modes de réalisation de l'invention décrits dans la présente description sans sortir du cadre de l'invention. En particulier, il est fait référence à la possibilité d'ajuster les longueurs de bras de levier de la bascule de levier et du levier de commande.It will be understood that various modifications and / or improvements obvious to a person skilled in the art can be made to the various embodiments of the invention described in the present description without departing from the scope of the invention. In particular, reference is made to the possibility of adjusting the lever arm lengths of the lever rocker and the control lever.

Claims (17)

  1. A stopping device (100) for an oscillating system (200) of a watch movement,
    the oscillating system (200) comprising:
    - a balance shaft (9),
    - a balance (9.1) mounted on the balance shaft (9),
    - a balance spring,
    - a double roller (8) with at least one large roller (8.1), mounted on the balance shaft (9),
    the stopping device comprising:
    - at least one balance stopping control lever (6),
    the stopping device further comprising a braking member (7) connected to the stopping control lever (6), characterized in that it is arranged to brake the double roller (8) by entering into contact with the large roller (8.1) of the double roller (8) which it includes.
  2. The stopping device (100) according to the preceding claim, wherein the balance shaft (9) has an axis of rotation, and wherein the braking member (7) is arranged movable in translation in a direction parallel to the axis of rotation of the balance shaft (9).
  3. The stopping device (100) according to any one of the preceding claims, wherein the braking member (7) comprises at least one ring portion arranged to enter into contact with the large roller (8.1)
  4. The stopping device (100) according to any one of the preceding claims, wherein the large roller (8.1) has an annular peripheral contact surface, and
    wherein the braking member (7) enters into contact with the large roller (8.1) at its annular contact surface.
  5. The stopping device (100) according to any one of the preceding claims, wherein the braking member (7) comprises at least one first ring portion (7.4) arranged to enter into contact with the large roller (8.1), a second ring (7.1) and at least one connecting shaft (7.3) arranged to unite the first ring portion and the second ring (7.1) and to be in sliding connection with a cage base of the watch movement, the first ring portion being located on either side of the cage base.
  6. The stopping device (100) according to any one of the preceding claims, further comprising at least one return spring (7.2) arranged to return the braking member (7).
  7. The stopping device (100) according to any one of the preceding claims, wherein the oscillating system (200) further comprises a shock absorber (11) mounted in a watch movement bridge (10), the shock absorber (11) comprising at least one chute (11.1) arranged to receive one end of the balance shaft (9.4) on the side opposite to the braking member (7), so as to allow translation of the balance shaft (9) parallel to a translation of the braking member (7).
  8. The stopping device (100) according to the preceding claim, wherein the balance shaft (9) comprises a stop portion on the side opposite to the braking member (7) and wherein there exists a predetermined clearance (11.7) between the chute (11.1) and the stop portion (9.4).
  9. The stopping device (100) according to the preceding claim, wherein one stroke of the braking member (7) is arranged to be greater than or equal to the predetermined clearance (11.7) between the chute and the stop portion (9.4).
  10. The stopping device (100) according to the preceding claim, wherein the shock absorber has a permissible stroke prior to the opening of the damping spring (11.2) greater than the predetermined clearance between the chute (11.1) and the stop portion.
  11. The stopping device (100) according to any one of the preceding claims, further comprising a lever yoke (5) arranged to cooperate with the control lever (6) and a winding stem (1) of the watch movement.
  12. The stopping device (100) according to the preceding claim, wherein the control lever (6) comprises a cam portion, arranged to be in contact with the lever yoke (5).
  13. The stopping device (100) according to the preceding claim, wherein the control lever (6) further comprises an attachment end, arranged to be fastened to a fixed plate integral with a casing of the watch, and a movable end arranged to enter into contact with the braking member (7).
  14. The stopping device (100) according to the preceding claim, wherein the cam portion is located between the attachment end and the movable end, at a distance at least equal to one-third of a movable length of the control lever (6), counting from the attachment end.
  15. A timepiece assembly comprising the oscillating system (200) and the stopping device (100) according to any one of the preceding claims.
  16. A watch movement comprising a stopping device according to any one of claims 1 to 14.
  17. A watch comprising a stopping device according to any one of claims 1 to 14.
EP19204862.7A 2018-10-24 2019-10-23 Stopping device for oscillating system Active EP3644134B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1859831A FR3087906B1 (en) 2018-10-24 2018-10-24 OSCILLATING SYSTEM STOPPING DEVICE

Publications (2)

Publication Number Publication Date
EP3644134A1 EP3644134A1 (en) 2020-04-29
EP3644134B1 true EP3644134B1 (en) 2021-09-08

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ID=65494369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19204862.7A Active EP3644134B1 (en) 2018-10-24 2019-10-23 Stopping device for oscillating system

Country Status (2)

Country Link
EP (1) EP3644134B1 (en)
FR (1) FR3087906B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10160287A1 (en) 2001-12-07 2003-06-26 Lange Uhren Gmbh Tourbillon
DE202013105033U1 (en) * 2013-11-08 2014-01-07 Grossmann Uhren Gmbh Elevator for wristwatches
EP3136187B1 (en) * 2015-08-31 2018-02-28 Glashütter Uhrenbetrieb GmbH Mechanical clock comprising a tourbillon

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Publication number Publication date
FR3087906A1 (en) 2020-05-01
FR3087906B1 (en) 2020-11-20
EP3644134A1 (en) 2020-04-29

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