EP3185080B1 - Uhrmechanismus, der ein schwenkorgan umfasst, das mit magnetischen rückstellmitteln ausgestattet ist - Google Patents

Uhrmechanismus, der ein schwenkorgan umfasst, das mit magnetischen rückstellmitteln ausgestattet ist Download PDF

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Publication number
EP3185080B1
EP3185080B1 EP15201933.7A EP15201933A EP3185080B1 EP 3185080 B1 EP3185080 B1 EP 3185080B1 EP 15201933 A EP15201933 A EP 15201933A EP 3185080 B1 EP3185080 B1 EP 3185080B1
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EP
European Patent Office
Prior art keywords
magnet
pivoting member
timepiece mechanism
magnets
mechanism according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15201933.7A
Other languages
English (en)
French (fr)
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EP3185080A1 (de
Inventor
Benoît LÉGERET
Davide Sarchi
Sylvain Dauby
Alain Zaugg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montres Breguet SA
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Montres Breguet SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP15201933.7A priority Critical patent/EP3185080B1/de
Priority to US15/289,415 priority patent/US9921546B2/en
Priority to JP2016217827A priority patent/JP6326475B2/ja
Priority to CN201611191011.8A priority patent/CN106909049B/zh
Publication of EP3185080A1 publication Critical patent/EP3185080A1/de
Application granted granted Critical
Publication of EP3185080B1 publication Critical patent/EP3185080B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/16—Construction of the weights
    • 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
    • G04B5/00—Automatic winding up
    • 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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/001—Clutch mechanism between two rotating members with transfer of movement in both directions, possibly with limitation on the transfer of power
    • G04B11/005—Clutch mechanism between two rotating members with transfer of movement in both directions, possibly with limitation on the transfer of power with magnetic elements
    • 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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/006—Clutch mechanism between two rotating members with transfer of movement in only one direction (free running devices)
    • G04B11/008—Clutch mechanism between two rotating members with transfer of movement in only one direction (free running devices) with friction members, e.g. click springs or jumper
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • 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
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/04—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited
    • G04B5/08—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited acting in both directions
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
    • G04D3/0017—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of gearworks
    • G04D3/002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of gearworks for gear wheels or gears

Definitions

  • the present invention generally relates to horological mechanisms comprising a rotating mobile, a support, a member pivotally mounted on the support and magnetic return means for returning a part of the pivoting member against a surface of the rotating mobile.
  • the present invention relates more particularly to such a mechanism in which the return means comprise a first magnet carried by the pivoting member and a second magnet carried by the support separately from the pivoting member, the first magnet and the second magnet being arranged in so that, in a first relative position of the first magnet and the second magnet, the interaction of the respective magnetic fields of the latter generates a force acting on the pivoting member and oriented so as to recall said part of the pivoting member in the direction from the surface of the rotating mobile.
  • FIG. 15 of the patent document FR 1'276'734 shows a part of an automatic winding mechanism, this part serving for the conversion of the rotational movement of a rotating mobile into alternating movements of a pivoting member.
  • the rotary mobile with which the pivoting member cooperates is constituted by a three-lobed cam and the return means for returning a part of the member pivoting against a surface of the rotating mobile has two permanent magnets.
  • the invention therefore relates to horological mechanisms in which the return means do not operate by means of a spring, but by means of a pair of magnets.
  • the use of such return means has the particular advantage of avoiding the problems linked to the fatigue of the spring. In fact, when a spring is subjected to repeated stresses on multiple occasions, microcracks are liable to form and cause a reduction in the coefficient of elasticity, or even rupture of the spring.
  • watchmaking mechanisms comprising return means comprising several permanent magnets also have certain drawbacks. Indeed, the permanent magnets must be arranged close to each other. Under these conditions, the omnipresence of a magnetic interaction force between the magnets makes it difficult to assemble such mechanisms. It also complicates their possible disassembly and adjustment.
  • An object of the present invention is to remedy the drawbacks of the prior art by providing a timepiece mechanism in accordance with the definition given in the preamble and whose rotating mobile and the parts cooperating with it can be easily assembled during assembly of the mechanism and removed easily for inspection, cleaning or repair and be reassembled without the need for adjustment.
  • the present invention achieves this object by providing a timepiece mechanism according to claim 1 appended.
  • At least one of said first and second magnets is arranged to allow its polarity to be reversed, and by consequently, the direction of the magnetic force acting on the pivoting member.
  • the magnetic force is an attractive force
  • the inversion of the polarity of one of the magnets will change it into a repulsive force.
  • the magnetic force is a repulsive force
  • the inversion of the polarity of one of the magnets then generates an attractive force.
  • the second magnet is formed so as to allow it to cooperate with a tool to allow it to turn on itself.
  • An advantage of this variant is to allow a watchmaker to vary the magnetic interaction in the magnetic system in question and in particular to change the direction of the magnetic force on the pivoting member to temporarily keep the pivoting member away from the rotating mobile, thus facilitating assembly or disassembly of the clock mechanism.
  • the watch mechanism (generally referenced 1) is a bidirectional automatic winding mechanism for a watch movement.
  • This mechanism comprises an oscillating mass 3 and an eccentric cam 5 fixedly mounted on the oscillating mass, in the coaxial position, so that the cam 5 takes part in the oscillation movement of the mass 3.
  • the eccentric has the shape of an oval disc having a center of symmetry 2 through which passes its axis of rotation. It will be understood, however, that in a manner known per se, the eccentric cam could just as easily have another shape. For example, the shape of an ellipse or a heart.
  • the illustrated mechanism comprises a rocker 7 pivoted about an axis 9.
  • the eccentric cam 5 is in contact with the rocker by means of two rollers 11 each mounted on a lug 13 of the rocker.
  • the interaction between the eccentric cam and the two rollers has the effect of imparting an oscillating movement to the rocker 7.
  • the lever 7 of the watch mechanism which is the subject of this example carries two pivoting members (respectively referenced 15a and 15b) which are pivoted on the lever around two distinct axes 17a, 17b.
  • Each of the pivoting members has the form of a lever of the first kind with two arms which extend on either side of the pivot axis.
  • a first arm ends in a spout 19 and is arranged to serve as a ratchet.
  • the second arm carries a magnet (hereinafter first magnet 21).
  • the first magnet is preferably mounted in a housing 23 provided for this purpose.
  • the rocker 7 carries another magnet (hereinafter second magnet 25) mounted separately from the two pivoting members 15a, 15b.
  • the three magnets 21 and 25 are substantially aligned and located in a plane perpendicular to the axis of rotation 2 of the oscillating mass 3.
  • the second magnet is placed at a certain distance from the first two magnets 21 on the seesaw 7.
  • the magnets 21 and 25 have the shape of a disc and that their direction of polarization corresponds substantially to the direction of alignment of the magnets in the plane perpendicular to the axis 2.
  • the three magnets are arranged alternately as regards the direction of their polarization.
  • the first two magnets 21 are polarized in the same direction, while the second magnet 25, which is interposed between the first two magnets, is polarized in the opposite direction.
  • the magnets repel each other, and a magnetic force of repulsion manifests itself in the form of a restoring torque exerted counterclockwise on the pivoting member 15a and by a restoring torque exerted clockwise on the pivoting member 15b.
  • the clockwork mechanism 1 also comprises a rotating mobile 27.
  • the rotating mobile is a ratchet wheel.
  • the ratchet wheel is arranged to be driven by the two pawls 15a and 15b.
  • the two pawls are biased against the ratchet of the ratchet wheel 27 in the opposite direction.
  • the ratchet wheel 27 is arranged to drive the shaft of a barrel via a gear train so as to arm the barrel spring.
  • At least one of the first and second magnets 21, 25 is arranged to allow the direction or the direction of its polarity to be changed and thus the magnetic force acting on the pivoting member 15a or 15b to be varied.
  • the second magnet 25 is arranged so that it can be pivoted by 180 ° relative to the rocker 7 on which it is mounted, which makes it possible to change the direction of the polarity of this second magnet.
  • the second magnet which is housed in a cavity of the rocker 7, has the shape of a slotted screw head. The slot is designed to allow a watchmaker to rotate the magnet using a screwdriver.
  • the second magnet is mounted in a rotating housing (not shown) which is itself housed in a cavity of the rocker.
  • the second magnet 25 is rotated 180 °, the three magnets 21, 25 are polarized in the same direction. Under these conditions, the magnets attract instead of repelling themselves. Thus, a magnetic force of attraction manifests itself in the form of a torque exerted clockwise on the pivoting member 15a and by a restoring torque exerted counterclockwise on the pivoting member 15b. The two pawls thus move away from the ratchet wheel 27. Thanks to this characteristic of the invention, the parts of the timepiece mechanism can firstly be easily mounted and then easily removed for inspection, cleaning or repair and finally be reassembled. On the other hand, the invention offers a great advantage when it is necessary to disarm the barrel, for example in order to replace the barrel spring. Indeed, as we have seen, the fact of reversing the polarity of the second magnet keeps the two pawls 15a, 15b released from the ratchet wheel, and therefore from the barrel spring.
  • the invention has yet another advantage since the possibility of turning a magnet offered by the invention makes it possible to vary the direction of the magnetization axis of this magnet and thus the interaction with the other magnet of the magnetic system concerned, in particular to vary the intensity of the magnetic force between the two magnets. It is therefore possible to adjust the intensity of the magnetic force acting on the pivoting member. Such a fine adjustment of the magnetic force can prove to be important for optimizing the function, in particular the intensity of the restoring force exerted on the pivoting member.
  • the magnet arranged rotating on the support forms an eccentric, that is to say that the magnet is not centered on the axis of rotation of that -this.
  • the magnet does not present in plan (namely in a general plane perpendicular to its axis of rotation) a cylindrical or square shape but another shape, for example rectangular or elliptical.
  • plan namely in a general plane perpendicular to its axis of rotation
  • another shape for example rectangular or elliptical.
  • the figure 4 is a partial view, similar to the figure 3 , an automatic winding mechanism for a watch constituting a second embodiment of the timepiece mechanism of the invention.
  • the mechanism of the figure 4 comprises a rocker 107 (of which only a part is visible) pivoted about an axis 109. It will be understood that, in a similar manner to what has been explained in relation to the first embodiment, when the oscillating mass (not shown) pivots in one direction or the other, the interaction between the eccentric cam (not shown) and the two rollers 11 (not shown) has the effect of communicating an oscillating movement, back and forth, to rocker 107 .
  • the rocker 107 carries two pivoting members (respectively referenced 115a and 115b) which are pivoted on the rocker around two distinct axes 117a, 117b.
  • the pivoting member 115a has the form of a lever of the third kind with a single arm extending from the pivot axis 117a
  • the pivoting member 115b has the form of a lever of the first kind with two arms which extend on either side of the pivot axis 117b.
  • a first arm of the pivoting member 115b, which ends in a spout 119, is arranged to serve as a pawl.
  • the second arm carries a magnet (hereinafter first magnet 121).
  • the pivoting member 115a is also arranged to serve as a ratchet, its single arm also ending in a spout 119, and it also carries a magnet (hereinafter first magnet 121) which is disposed between the pivot axis 117a and the spout 119. It will be understood that it is precisely this intermediate position of the magnet which makes the pivoting member 115a a lever of the third kind.
  • the rocker 107 carries another magnet (hereinafter second magnet 125) which is separated from the two pivoting members 115a, 115b.
  • second magnet 125 another magnet
  • the three magnets 121 and 125 are substantially aligned and located in a plane perpendicular to the axis of rotation of the rocker.
  • the second magnet is disposed on the rocker 107 between the two magnets 121 at a certain distance therefrom so as to prevent the magnets from colliding during the operation of the automatic winding mechanism. Again, their direction of polarization substantially corresponds to their direction of alignment.
  • the first magnet mounted on the pivoting member 115b and the second magnet 125 are polarized in the same direction.
  • the present invention is absolutely not limited to an automatic winding mechanism.
  • the person skilled in the art knows in particular very many other horological applications in which wheels and pawls or jumps are used.
  • the present invention can be adapted without difficulty to each of these applications.
  • the pawls and the jumpers are naturally not the only examples of pivoting members capable of being arranged to cooperate with a rotating mobile. Examples other than pawls include, in particular, cam control mechanisms, hammer reset mechanisms, mechanisms clutch clutch and rocker mechanisms for perpetual calendar.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Toys (AREA)

Claims (7)

  1. Uhrenmechanismus, umfassend ein bewegliches Drehteil (27), einen Träger, ein Organ (15a, 15b; 115a, 115b), das am Träger schwenkbar montiert ist, und Rückstellmittel zum Zurückstellen eines Teils (19) des Schwenkorgans in Richtung einer Oberfläche des Drehteils, wobei die Rückstellmittel einen ersten Magneten (21; 121), der von dem Schwenkorgan getragen wird, und einen zweiten Magneten (25; 125), der von dem Träger getrennt von dem Schwenkorgan getragen wird, umfassen, wobei der erste Magnet und der zweite Magnet so angeordnet sind, dass dann, wenn der Uhrenmechanismus funktionsfähig ist, dieser erste und dieser zweite Magnet in einer ersten relativen Konfiguration sind, die Betriebskonfiguration des Uhrenmechanismus genannt wird, in der die Wechselwirkung ihrer jeweiligen Magnetfelder eine erste Magnetkraft erzeugt, die auf das Schwenkorgan wirkt und so ausgerichtet ist, dass sie darauf ein Rückstelldrehmoment ausübt und somit den Teil (19) des Schwenkorgans in Richtung der Oberfläche des Drehteils zurückstellt; dadurch gekennzeichnet, dass mindestens entweder der erste oder der zweite Magnet dafür ausgelegt ist, einem Uhrmacher zu ermöglichen, die Richtung oder den Richtungssinn seiner Polarität unabhängig von der Winkelposition des Schwenkorgans zu ändern, derart, dass der erste Magnet und der zweite Magnet dann in einer zweiten relativen Konfiguration sind, die Montage- oder Demontagekonfiguration des Uhrenmechanismus genannt wird, in der eine zweite Magnetkraft, die zwischen diesem ersten und diesem zweiten Magneten erzeugt wird, auf das Schwenkorgan so wirkt, dass darauf ein Drehmoment in einem zu jenem des Rückstelldrehmoments entgegengesetzten Richtungssinn ausgeübt wird, und dass somit der Teil (19) des Schwenkorgans von der Oberfläche des Drehteils beabstandet gehalten wird.
  2. Uhrenmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass der mindestens eine des ersten und des zweiten Magneten dafür ausgelegt ist, einem Uhrmacher zu ermöglichen, ihn um 180° um eine Achse senkrecht zu seiner Polarisationsachse um sich selbst zu drehen, so dass seine Polarität umgekehrt wird.
  3. Uhrenmechanismus nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der mindestens eine des ersten und des zweiten Magneten (25; 125) so beschaffen ist, dass er mit einem Werkzeug zusammenwirken kann, um die Richtung oder den Richtungssinn seiner Polarität zu ändern.
  4. Uhrenmechanismus nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der Träger eine Schwenkaufnahme aufweist, die angeordnet ist, um den mindestens einen des ersten und des zweiten Magneten (25; 125) aufzunehmen.
  5. Uhrenmechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Drehteil (27) ein Sperrrad umfasst und dass das Schwenkorgan (15a, 15b; 115a, 115b) einen Sperrkegel aufweist.
  6. Uhrenmechanismus nach Anspruch 5, dadurch gekennzeichnet, dass der Uhrenmechanismus ein automatischer Aufzugmechanismus ist, umfassend eine Wippe (7; 107), die den Träger bildet, wobei der Sperrkegel (15a, 15b; 125a, 125b) an der Wippe schwenkbar ist.
  7. Uhrenmechanismus nach Anspruch 6, dadurch gekennzeichnet, dass er zwei Sperrkegel (15a und 15b; 125a und 125b) umfasst, die um zwei verschiedene Achsen (17a und 17b; 117a und 117b) an der Wippe (7; 107) schwenkbar montiert sind, wobei einer der beiden Sperrkegel mit dem ersten Magneten versehen ist und der andere dieser beiden Sperrkegel mit einem dritten Magneten versehen ist, der relativ zu dem zweiten Magneten ähnlich wie der erste Magnet angeordnet ist.
EP15201933.7A 2015-12-22 2015-12-22 Uhrmechanismus, der ein schwenkorgan umfasst, das mit magnetischen rückstellmitteln ausgestattet ist Active EP3185080B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15201933.7A EP3185080B1 (de) 2015-12-22 2015-12-22 Uhrmechanismus, der ein schwenkorgan umfasst, das mit magnetischen rückstellmitteln ausgestattet ist
US15/289,415 US9921546B2 (en) 2015-12-22 2016-10-10 Timepiece mechanism comprising a pivoting member provided with magnetic return means
JP2016217827A JP6326475B2 (ja) 2015-12-22 2016-11-08 磁気復帰手段を備えた枢動部材を備える時計機構
CN201611191011.8A CN106909049B (zh) 2015-12-22 2016-12-21 包括设置有磁性回复装置的枢转件的钟表机构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15201933.7A EP3185080B1 (de) 2015-12-22 2015-12-22 Uhrmechanismus, der ein schwenkorgan umfasst, das mit magnetischen rückstellmitteln ausgestattet ist

Publications (2)

Publication Number Publication Date
EP3185080A1 EP3185080A1 (de) 2017-06-28
EP3185080B1 true EP3185080B1 (de) 2019-12-18

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EP15201933.7A Active EP3185080B1 (de) 2015-12-22 2015-12-22 Uhrmechanismus, der ein schwenkorgan umfasst, das mit magnetischen rückstellmitteln ausgestattet ist

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Country Link
US (1) US9921546B2 (de)
EP (1) EP3185080B1 (de)
JP (1) JP6326475B2 (de)
CN (1) CN106909049B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3264199A1 (de) * 2016-07-01 2018-01-03 Montres Breguet S.A. Uhr mit schaltvorrichtung für einen uhrmechanismus
EP3327518B1 (de) * 2016-11-29 2020-03-18 Montres Breguet S.A. Uhr mit schaltvorrichtung für einen uhrmechanismus
JP7023124B2 (ja) * 2018-01-26 2022-02-21 セイコーインスツル株式会社 ムーブメントおよび時計
JP7207011B2 (ja) * 2019-02-27 2023-01-18 セイコーエプソン株式会社 時計
EP3757684A1 (de) * 2019-06-26 2020-12-30 The Swatch Group Research and Development Ltd Trägheitsbewegungselement für uhrresonator mit einer vorrichtung zur magnetischen wechselwirkung, die gegenüber dem äusseren magnetfeld unempfindlich ist
EP3839650A1 (de) * 2019-12-18 2021-06-23 ETA SA Manufacture Horlogère Suisse Herstellungsverfahren von mindestens zwei mechanischen teilen
USD938848S1 (en) * 2019-12-26 2021-12-21 Lvmh Swiss Manufactures Sa Oscillating weight
USD1025243S1 (en) 2022-04-08 2024-04-30 Lvmh Swiss Manufactures Sa Oscillating weight

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US2722617A (en) * 1951-11-28 1955-11-01 Hartford Nat Bank & Trust Comp Magnetic circuits and devices
DE1039945B (de) * 1953-09-17 1958-09-25 Hatot Leon Ets Schaltungsanordnung zur kontaktlosen elektrischen Unterhaltung der Schwingung eines selbstgesteuerten Gangreglers einer elektrischen Uhr unter Anwendung einer elektronischen Rueckkopplungs-Schaltung
DE1140148B (de) * 1955-03-16 1962-11-22 Junghans Geb Ag Zahngesperr fuer Uhrwerke
US3058294A (en) * 1958-06-16 1962-10-16 Durowe A G Inertia wound timepiece with magnetic coupling means
US3058356A (en) * 1959-10-26 1962-10-16 Lewis W Welch Magnetic clutch structure
FR1276734A (fr) 1960-10-12 1961-11-24 Système de liaison et transmissions motrices magnétiques et applications à l'horlogerie mécanique et électrique
FR1372223A (fr) * 1963-10-15 1964-09-11 Us Times Corp Dispositif chronométrique
CH457295A (fr) * 1965-07-29 1968-07-31 Centre Electron Horloger Dispositif de transformation du mouvement oscillant d'un résonateur de montre électromécanique
JPS4828465U (de) * 1971-08-10 1973-04-07
JPS5198567U (de) * 1975-02-06 1976-08-07
EP2463731B1 (de) * 2010-12-10 2015-06-17 Montres Breguet SA Schlagwerkmechanismus einer Armbanduhr

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Also Published As

Publication number Publication date
JP6326475B2 (ja) 2018-05-16
CN106909049B (zh) 2019-06-18
CN106909049A (zh) 2017-06-30
JP2017116529A (ja) 2017-06-29
US9921546B2 (en) 2018-03-20
EP3185080A1 (de) 2017-06-28
US20170176937A1 (en) 2017-06-22

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