EP3644134B1 - Feststellvorrichtung für schwingungssystem - Google Patents

Feststellvorrichtung für schwingungssystem 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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English (en)
French (fr)
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EP3644134A1 (de
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/de
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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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Braking Arrangements (AREA)

Claims (17)

  1. Feststellvorrichtung (100) für ein Schwingungssystem (200) eines Uhrwerks,
    wobei das Schwingungssystem (200) umfasst:
    - eine Unruhwelle (9),
    - eine Unruh (9.1), die an der Unruhwelle (9) montiert ist,
    - eine Spirale,
    - eine Doppelschale (8) mit mindestens einer großen Schale (8.1), die an der Unruhwelle (9) montiert ist,
    wobei die Feststellvorrichtung umfasst
    - mindestens einen Feststellbetätigungshebel (6) für die Unruh,
    wobei die Feststellvorrichtung ferner ein Bremsorgan (7) umfasst, das mit dem Feststellbetätigungshebel (6) verbunden ist, dadurch gekennzeichnet, dass es eingerichtet ist, um die Doppelschale (8) durch In-Kontakt-Kommen mit der großen Schale (8.1) der Doppelschale (8), die es umfasst, zu bremsen.
  2. Feststellvorrichtung (100) nach dem vorhergehenden Anspruch, wobei die Unruhwelle (9) eine Drehachse aufweist, und wobei das Bremsorgan (7) translatorisch entlang einer Richtung parallel zur Drehachse der Unruhwelle (9) beweglich eingerichtet ist.
  3. Feststellvorrichtung (100) nach einem der vorhergehenden Ansprüche, wobei das Bremsorgan (7) mindestens einen Ringabschnitt umfasst, der eingerichtet ist, um mit der großen Schale (8.1) in Kontakt zu kommen.
  4. Feststellvorrichtung (100) nach einem der vorhergehenden Ansprüche, wobei die große Schale (8.1) eine umlaufende ringförmige Kontaktoberfläche aufweist, und
    wobei das Bremsorgan (7) mit der großen Schale (8.1) im Bereich ihrer ringförmigen Kontaktoberfläche in Kontakt kommt.
  5. Feststellvorrichtung (100) nach einem der vorhergehenden Ansprüche, wobei das Bremsorgan (7) mindestens einen ersten Ringabschnitt (7.4), der eingerichtet ist, um mit der großen Schale (8.1) in Kontakt zu kommen, einen zweiten Ring (7.1) und mindestens eine Verbindungswelle (7.3) umfasst, die eingerichtet ist, um den ersten Ringabschnitt und den zweiten Ring (7.1) fest zu verbinden und um in Gleitverbindung mit einer Rohwerkbasis des Uhrwerks zu stehen, wobei der erste Ringabschnitt und der zweite Ring sich auf beiden Seiten der Rohwerkbasis befinden.
  6. Feststellvorrichtung (100) nach einem der vorhergehenden Ansprüche, die ferner mindestens eine Rückstellfeder (7.2) umfasst, die eingerichtet ist, um das Bremsorgan (7) zurückzustellen.
  7. Feststellvorrichtung (100) nach einem der vorhergehenden Ansprüche, wobei das Schwingungssystem (200) ferner einen Stoßdämpfer (11) umfasst, der in einer Uhrwerksbrücke (10) montiert ist, wobei der Stoßdämpfer (11) mindestens einen Schacht (11.1) umfasst, der gestaltet ist, um ein Ende der Unruhwelle (9.4) auf der dem Bremsorgan (7) entgegengesetzten Seite aufzunehmen, derart, dass eine translatorische Bewegung der Unruhwelle (9) parallel zu einer translatorischen Bewegung des Bremsorgans (7) ermöglicht wird.
  8. Feststellvorrichtung (100) nach dem vorhergehenden Anspruch, wobei die Unruhwelle (9) einen Anschlagabschnitt auf der dem Bremsorgan (7) entgegengesetzten Seite umfasst und wobei zwischen dem Schacht (11.1) und dem Anschlagabschnitt (9.4) ein vorbestimmtes Spiel (11.7) vorhanden ist.
  9. Feststellvorrichtung (100) nach dem vorhergehenden Anspruch, wobei ein Weg des Bremsorgans (7) derart eingerichtet ist, dass er größer oder gleich dem vorbestimmten Spiel (11.7) zwischen dem Schacht und dem Anschlagabschnitt (9.4) ist.
  10. Feststellvorrichtung (100) nach dem vorhergehenden Anspruch, wobei der Stoßdämpfer einen zulässigen Weg vor der Öffnung der Dämpfungsfeder (11.2) aufweist, der größer als das vorbestimmte Spiel zwischen dem Schacht (11.1) und dem Anschlagabschnitt ist.
  11. Feststellvorrichtung (100) nach einem der vorhergehenden Ansprüche, die ferner eine Hebelwippe (5) umfasst, die eingerichtet ist, um mit dem Betätigungshebel (6) und einer Aufzugswelle (1) des Uhrwerks zusammenzuwirken.
  12. Feststellvorrichtung (100) nach dem vorhergehenden Anspruch, wobei der Betätigungshebel (6) einen Kurvenscheibenabschnitt umfasst, der eingerichtet ist, um mit der Hebelwippe (5) in Kontakt zu sein.
  13. Feststellvorrichtung (100) nach dem vorhergehenden Anspruch, wobei der Betätigungshebel (6) ferner ein Anbringungsende, das eingerichtet ist, um an einer festen Platine befestigt zu werden, die fest mit einer Schale der Uhr verbunden ist, und ein bewegliches Ende umfasst, das eingerichtet ist, um mit dem Bremsorgan (7) in Kontakt zu kommen.
  14. Feststellvorrichtung (100) nach dem vorhergehenden Anspruch, wobei der Kurvenscheibenabschnitt sich zwischen dem Anbringungsende und dem beweglichen Ende in einem Abstand befindet, der, ab dem Anbringungsende gezählt, mindestens gleich einem Drittel einer beweglichen Länge des Betätigungshebels (6) ist.
  15. Uhrenbaugruppe, die das Schwingungssystem (200) und die Feststellvorrichtung (100) nach einem der vorhergehenden Ansprüche umfasst.
  16. Uhrwerk, das eine Feststellvorrichtung nach einem der Ansprüche 1 bis 14 umfasst.
  17. Uhr, die eine Feststellvorrichtung nach einem der Ansprüche 1 bis 14 umfasst.
EP19204862.7A 2018-10-24 2019-10-23 Feststellvorrichtung für schwingungssystem Active EP3644134B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1859831A FR3087906B1 (fr) 2018-10-24 2018-10-24 Dispositif d'arret de systeme oscillant

Publications (2)

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

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EP19204862.7A Active EP3644134B1 (de) 2018-10-24 2019-10-23 Feststellvorrichtung für schwingungssystem

Country Status (2)

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EP (1) EP3644134B1 (de)
FR (1) FR3087906B1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10160287A1 (de) 2001-12-07 2003-06-26 Lange Uhren Gmbh Tourbillon
DE202013105033U1 (de) * 2013-11-08 2014-01-07 Grossmann Uhren Gmbh Aufzug für Armbanduhren
EP3136187B1 (de) * 2015-08-31 2018-02-28 Glashütter Uhrenbetrieb GmbH Mechanisches uhrwerk mit einem tourbillon

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EP3644134A1 (de) 2020-04-29
FR3087906A1 (fr) 2020-05-01
FR3087906B1 (fr) 2020-11-20

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