EP2864841B1 - Ansteuerungsvorrichtung für uhrwerk - Google Patents

Ansteuerungsvorrichtung für uhrwerk Download PDF

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Publication number
EP2864841B1
EP2864841B1 EP13728420.4A EP13728420A EP2864841B1 EP 2864841 B1 EP2864841 B1 EP 2864841B1 EP 13728420 A EP13728420 A EP 13728420A EP 2864841 B1 EP2864841 B1 EP 2864841B1
Authority
EP
European Patent Office
Prior art keywords
spring
drum
core
drive member
clamp
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
EP13728420.4A
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English (en)
French (fr)
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EP2864841A2 (de
Inventor
Romain MOYSE
Kewin Bas
Dominique Perreux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cartier International AG
Original Assignee
Cartier International AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP2864841A2 publication Critical patent/EP2864841A2/de
Application granted granted Critical
Publication of EP2864841B1 publication Critical patent/EP2864841B1/de
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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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/12—Driving mechanisms with mainspring with several mainsprings
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/14—Mainsprings; Bridles therefor
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/18—Constructions for connecting the ends of the mainsprings with the barrel or the arbor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49579—Watch or clock making
    • Y10T29/49583—Watch or clock making having indicia, face, or dial

Definitions

  • the present invention relates to a motor unit for a watch movement comprising one or more springs. More particularly, the present invention relates to a motor member in which the bending stresses in the spring are reduced and in which the motor member can be of reduced volume compared to a conventional motor member, while being able to store the same amount of mechanical energy.
  • the spiral barrel spring is the organ for storing the mechanical energy necessary for the operation of the watch. Generally, its geometric dimensions and the mechanical properties of the material that compose it determine the potential energy that the spiral barrel is capable of storing and the maximum torque that it delivers.
  • the conventional motor unit comprising a single spring barrel by a group of two barrels coupled in series, in order to accumulate a potential energy large enough to ensure a power reserve more than the usual 40 hours, without affecting the chronometric performance of the watch or the efficiency of the wheels.
  • composite materials such as a fiberglass-reinforced polymer or the like for the manufacture of motor springs, makes it possible to obtain springs that are less susceptible than conventional metal springs to fatigue fractures and therefore have a longer life. longer life.
  • the use of such composite materials may require the sizing of the springs taking into account the specificities that differentiate these composite materials traditionally used steels. For example, a unidirectional fiberglass-reinforced polymer has a modulus of elasticity about four times lower than that of steel for a lower yield strength of about half. The dimensioning of the springs must also take into account the modes of implementation of the composite materials.
  • the composite material springs may furthermore have lower flexural strength than the metal springs.
  • the document US2617248 discloses a spiral barrel comprising a drum and a motor spring whose outer end is connected to the barrel by means of a clutch element.
  • the clutch member is arranged between the drum and the mainspring and its length is adjusted so that the spring is only one turn with its ends being fitted and abutting while exerting pressure against the drum wall.
  • the document CH24786 discloses a cylinder without cover for watches, whose shaft is fixed to the drum and on which the shaft can freely rotate a plug to which is fixed the barrel ratchet.
  • the document CH295135 discloses a barrel in which the drum carries a hollow hub and a bearing with a centering ring serving as a stop to limit the lateral play of the hub.
  • the document US2192101 The motor spring of a barrel has an orifice engaging a connecting member which is attached to the drum.
  • An object of the present invention is to provide a motor unit for a watch movement free from the limitations of known drive members.
  • Another object of the invention is to propose a driving member according to the preamble of the first claim in which the bending stresses in the spring are reduced and in which the motor member can be of reduced volume compared to a conventional drive member. , while being able to store the same amount of mechanical energy.
  • the invention also relates to a method for assembling the drive member according to claim 15.
  • a driving member 1 is shown in perspective at the figure 1 and aside at the figure 2 according to one embodiment.
  • the driving member 1 comprises a first barrel 2 and a second barrel 2 'which are superposed and mounted on a common shaft 3 to rotate independently of one another about the axis 4 of the shaft.
  • the first barrel 2 comprises a first outer drum 6 which may comprise an external toothing 5, and a bottom 7.
  • a first plug 17 is mounted coaxially and rotatably on the shaft 3.
  • the first barrel 2 comprises in addition a first motor spring 8 (of which only one turn has been shown in the drawing of the figure 2 ) wound in a spiral and whose outer end 9 is coupled to the first drum 6 and the inner end 10 is fixed to the first bung 17.
  • the structure of the second cylinder 2 ' is similar to that of the first, with a second outer drum 6 ', a bottom 7 and a second bung 17' mounted coaxially and rotatably on the shaft 3.
  • the second cylinder 2 ' comprises a second spring 11 (of which only a single turn has been shown in the drawing of the figure 2 ) wound in the opposite direction to the first spring 8 and the outer end 13 is coupled to the second drum 6 'and the inner end 12 is fixed to the second bung 17'.
  • the two springs 8, 11 may have the same dimensions and characteristics.
  • the first plug 17 is integral with the second plug 17 '.
  • the first spring 8 is in series with the second spring 11 via the first and second bung 17, 17 '. In such a configuration, the springs 8, 11 work in the same direction, the first and second bung 17, 17 'serving as a kinematic connection between the two springs.
  • the first plate 14 has the shape of a disc with an outer diameter substantially equal to that of the drums 6 and 6 '.
  • the plate 14 is integral with one of the drums 6, 6 'and with the shaft 3, so that one of the barrels 2, 2' rotates together with the plate 14.
  • the plate 14 can be made of a material plastic with a low coefficient of friction such as PTFE, but also metal, possibly with antifriction coating.
  • the motor member 1 may comprise another plate coaxial with the plate 14. In such a configuration, each of the plates may be integral with one of the drums 6, 6 ', so that each of the barrels 2, 2 'turns together with one of the trays.
  • the figure 3 is a view from above of the barrel 2 showing a first flange 18 for fixing the outer end 9 of the first spring 8 to the first drum 6, according to one embodiment.
  • the outer end 13 of the second spring 11 is also fixed to the second drum 6 'by such a first flange 18 in this embodiment.
  • the figure 4 shows said first flange 18 in isolation.
  • the first flange 18 comprises a tongue 180 on which is fixed the outer end 9, 13, and a pin 181 to be inserted in a pivoting manner in a bore 20 formed in the thickness of the drum 6, 6 '.
  • the drum 6, 6 ' may also comprise a housing 21 in which at least a portion of the first flange 18 is housed when the spring 8, 11 is disarmed and it is to be wound against the inside diameter of the drum 6 , 6 '.
  • the position of the first flange 18 in the housing 21 makes it possible to maintain the outer turn (the turn on the outer end side 9, 13) against the drum 6, 6 'of the barrel 2 , providing a more concentric development of the mainspring 8, 11 while opposing the possible decentering of the turns of the spring 8, 11.
  • the first flange 18 pivots towards the center of the barrel 2, and accompanies the outer turn of the spring 8, 11 so as not to constrain it in flexion.
  • the spring 8, 11 can thus be armed to the end without fear of deterioration.
  • annular element 25 (see figure 8 ) is included at the periphery of the first and / or second drum 6, 6 '.
  • the annular element 25 serves to limit axial displacement of the first flange 18.
  • the first flange 18 does not act as a sliding flange normally used in conventional motor members for fixing the outer end of the spring. Such a sliding flange allows the spring to slide at a certain angle into the barrel drum when the armature has reached its maximum value.
  • the motor unit 1 may comprise a disengageable crown (not shown) making it possible not to overconstrain the springs 8, 11.
  • a disengageable crown makes it possible to limit the torque transmitted by a user during reassembly. manual of the watch.
  • the disengageable crown makes it possible to pass the torque through a pawl comprising two gears held by a return spring. If the torque to be transmitted is greater than the force of the return spring then the pawl opens and the torque is no longer transmitted.
  • the figure 5 illustrates the first and second bungs 17, 17 'mounted on the barrel shaft 3, according to one embodiment.
  • Each of the bungs 17 and 17 ' comprises a second flange 19 intended to fix the inner end 10, 12 of the first and second spring 8, 11 respectively on the first and second bungs 17, 17'.
  • said second flange 19 takes the form of a blade extending at the periphery of the bung 17, 17 ', and having a radius substantially equal to the starting radius of the Archimedean spiral.
  • the inner end 10 of the first and second spring 8, 11 (not visible in the figure 5 ) is introduced into a slot 22 formed between the second flange 19 and the bung 17, 17 '.
  • the second flange 19 is integrally formed with the bung 17, 17 ', for example by overmolding on the bung.
  • the second flange 19 thus accompanies the inner coil of the spring 8, 11 on a mastered diameter.
  • This arrangement allows the spring 8, 11 to work essentially in tension and to make up the tangential forces, during the winding of the barrel 2.
  • the fixing of the outer end 9, 12 on the first flange 18 and the end 10, 13 on the second flange 19 may be made by gluing, welding, using a mechanical attachment means such as a hook, dovetail or other suitable attachment means.
  • the figure 6 shows the second bung 17 'according to an embodiment comprising a barrel 23 on which the first bung 17 can be driven.
  • the barrel 23 comprises splines 24 to allow the second bung 17 'to be integral in rotation with the first bung 17.
  • An advantage of the first and second bung 17, 17' being made in two parts is to simplify the assembly of the motor unit 1.
  • the figure 8 shows an exploded view of the motor member 1 according to one embodiment.
  • the springs 8, 11 and the first flange 18 of each of these are not visible. However, one can see the first bung 17 to be chased on the barrel 23 of the second bonde 17 'during assembly of the first drum 6, the plate 14 and the second drum 6'. More particularly, the first flange 18 of each spring can be arranged in the cylinder 2, 2 'corresponding by introducing the pin 181 into the bore 20 formed in the drum 6, 6'. An angular positioning of the springs 8, 11 in the first and second barrel 2, 2 'is ensured by the estrapade and one or more notches 26 made on the drums 6, 6'.
  • the first flange 18 can be held in position by the plate 14 and by the annular element 25 and the bottom 27 of the barrel 6,6 '.
  • the springs 8, 11 may be introduced sequentially in the first and second barrel 2, 2 '.
  • the first and second flanges 18, 19 of the first spring 8 are respectively disposed on the first drum 6 and the shaft 3
  • the first and second flanges 18, 19 of the second spring 11 are respectively disposed on the second drum 6 'and the tree 3.
  • the first bung 17 is integrally formed with the second bung 17 ', for example the first and second bungs 17, 17' are formed of a single tubular element rotating around the shaft 3.
  • the two springs 8, 11 are introduced simultaneously into the first and the second barrel 2, 2 '.
  • the motor member 1 comprises only a single barrel and a single motor spring.
  • the outer end of the spring can be coupled to the drum via the first flange 18, and the inner end of the spring can be attached to the bung through the second flange 19.
  • figure 7 illustrates an example of the bung 17 with the second flange 19 for this configuration of the motor unit 1.
  • the first and second spring 8, 11 may be made of metal or any other suitable material.
  • the first and second spring 8, 11 are made of a composite material.
  • composite material is meant herein a polymer reinforced with long fibers, such as glass fibers or the like.
  • the fibers are oriented unidirectionally in the polymeric matrix.
  • Such springs made of the composite material may be less susceptible than conventional metal springs to fatigue fractures and, therefore, have a longer life.
  • Such composite springs are described in more detail in the patent application. EP2455820 by the present plaintiff.
  • the engine springs made of composite material are more likely to be damaged by bending stresses, but advantageously the first pivoting flange 18 makes it possible to hold the spring 8, 11 in the barrel 2, 2 'so as to minimize the stresses in bending.
  • the second flange 19 also minimizes the tangential forces on the spring 8, 11.
  • a spring 8, 11 of composite material can therefore be maintained with a lower degradation than in a conventional motor.
  • the motor of the invention also has a reduced volume compared to a conventional drive member, while can store the same amount of mechanical energy.
  • the spring 8, 11 of composite material has a greater radius of curvature than that of a metal spring and can therefore be wound more tightly around the bung 17, 17 '.
  • the latter may also have a smaller diameter than the usual diameter in a conventional bung.
  • the first flange 18 is pivoted in the housing 21 to maintain the outer turn of the spring 8, 11 against the drum 6, 6 ', allowing a further reduction in the volume of the cylinder 2, 2 '.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Springs (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Electromechanical Clocks (AREA)

Claims (15)

  1. Antriebsglied (1) für ein Uhrwerk, umfassend:
    einen Zylinder (2, 2') mit einer Trommel (6, 6'), welche auf einer Welle (3) so montiert ist, dass sie mit der Welle (3) um eine Achse (4) drehbar ist, wenn das Antriebsglied (1) aufgezogen ist;
    eine Zugfeder (8, 11), welche im Inneren des Zylinders (2) gewickelt ist und um die Welle (3) gespannt werden kann, wenn das Antriebsglied (1) aufgezogen wird, und
    einen koaxialen Bund (17, 17'), schwenkbar auf der Welle (3);
    wobei das äussere Ende (9, 13) der Feder (8, 11) mit der Trommel (6, 6') gekoppelt ist und das innere Ende (10, 12) der Feder (8, 11) mit dem Bund (17, 17') gekoppelt ist;
    wobei das äussere Ende (9, 13) der Feder (8, 11) über einen ersten in der Trommel (6, 6') schwenkbaren Flansch (18) mit der Trommel (6, 6') gekoppelt ist, so dass wenn die Feder (8, 11) entspannt wird, der erste Flansch (18) schwenkt, um die äussere Windung der ersten Feder (8, 11) gegen die Trommel (6, 6') zu halten, und dass wenn die Feder (8, 11) gespannt wird, der erste Flansch (18) zur Mitte des Zylinders (2) schwenkt, um die äussere Windung der Feder (8, 11) zu begleiten;
    wobei der Bund (17, 17') umfasst:
    einen zweiten Flansch (19) zur Befestigung des äusseren Endes (10, 12) der Feder (8, 11) mit dem Bund (17, 17'),
    wobei der besagte zweite Flansch (19) eine Klinge umfasst, welche sich an der Peripherie des Bunds (17, 17') erstreckt und einen Schlitz (22) zwischen der Klinge und dem Bund (17, 17') zur Einführung des inneren Endes (10, 12) der Feder (8, 11) bildet.
  2. Antriebsglied (1) gemäss Anspruch 1, worin der erste Flansch (18) aufweist: einen Abschnitt (180), an dem das äussere Ende (9, 13) der Feder (8, 11) befestigt wird, und einen Stift (181), der in der Trommel (6, 6') schwenkt.
  3. Antriebsglied (1) gemäss Anspruch 2, worin der Stift (181) schwenkbar in eine Bohrung (20) eingeführt wird, welche in der Dicke der Trommel (6, 6') ausgebildet ist.
  4. Antriebsglied (1) gemäss einem der Ansprüche 1 bis 3, worin die Trommel (6, 6') eine Lagerung (21) umfasst, in welcher mindestens ein Teil des ersten Flansches (18) untergebracht wird, wenn die Feder (8, 11) entspannt wird.
  5. Antriebsglied (1) gemäss einem der Ansprüche 1 bis 4, worin die Klinge (19) einen Radius aufweist, der im Wesentlichen dem Anfangsradius der archimedischen Spirale entspricht.
  6. Antriebsglied (1) gemäss einem der Ansprüche 1 bis 5, worin der zweite Flansch (19) einstückig mit dem Bund (17, 17') ausgebildet ist.
  7. Antriebsglied (1) gemäss einem der Ansprüche 1 bis 6,
    worin der besagte Zylinder einen ersten Zylinder (2) und einen zweiten, dem ersten Zylinder (2) überlagerten Zylinder (2') umfasst; wobei der erste Zylinder (2) eine erste Trommel (6) und der zweite Zylinder (2') eine zweite Trommel (6') umfasst;
    und worin die besagte Zugfeder eine erste Feder (8) und eine zweite, der ersten Feder (8) überlagerte und damit koaxiale Feder (11) aufweist; wobei das äussere Ende (9) der ersten Feder (8) an der ersten Trommel (6) befestigt ist beziehungsweise das äussere Ende (13) der zweiten Feder (11) an der zweiten Trommel (6 ') befestigt ist.
  8. Antriebsglied (1) gemäss Anspruch 7, worin der besagte Bund einen ersten Bund (17) und einen zweiten Bund (17') aufweist, welcher mit dem ersten Bund (17) fest verbunden ist; und worin das innere Ende (10) der ersten Feder (8) am ersten Bund (17) befestigt ist und das innere Ende (12) der zweiten Feder (11) am zweiten Bund (17') befestigt ist, so dass die beiden Federn (8, 11) gleichzeitig um die Welle (3) gespannt werden, wenn das Antriebsglied (1) aufgezogen wird.
  9. Antriebsglied (1) gemäss Anspruch 7 oder 8, worin der erste Bund (17) eine Kanone (23) aufweist, auf welcher der zweite Bund (17') eingepresst werden kann.
  10. Antriebsglied (1) gemäss einem der Ansprüche 7 bis 9, zudem umfassend eine Platte (14), welche zwischen den beiden Federn (8, 11) angebracht ist und koaxial damit ist.
  11. Antriebsglied (1) gemäss Anspruch 10, worin die Platte (14) mit einer der Trommel (6, 6') und mit der Welle (3) fest verbunden montiert ist.
  12. Antriebsglied (1) gemäss einem der Ansprüche 7 bis 11, worin die erste Feder (8) entgegen der zweiten Feder (11) gewickelt ist, so dass die erste Feder (8) mit der zweiten Feder (11) über den ersten und den zweiten Bund (17, 17') seriell angeordnet ist.
  13. Antriebsglied (1) gemäss einem der Ansprüche 7 bis 12, zudem umfassend ein ringförmiges Element (25), welches an der Peripherie der besagten Trommel (6, 6') ist, wobei die axiale Verschiebung des ersten Flansches (18) durch das ringförmige Element (25) und einen Boden (27) der Trommel (6, 6') eingeschränkt wird.
  14. Antriebsglied (1) gemäss einem der Ansprüche 1 bis 13, worin die besagte Zugfeder (8, 11) aus einem Verbundmaterial hergestellt ist.
  15. Verfahren zum Zusammenbauen des Antriebsglieds (1), gekennzeichnet durch einen der Ansprüche 1 bis 14, worin der Bund (17, 17') einen zweiten Flansch (19) zum Befestigen des inneren Endes (10, 12) der Feder (8, 11) an den Bund (17, 17') umfasst, wobei das Verfahren umfasst:
    Befestigen des äusseren Endes (9, 12) der Feder (8, 11) im ersten Flansch (18) und Befestigen des inneren Endes (10, 13) der Feder (8, 11) im zweiten Flansch (19);
    Spannen der Feder (8, 11) in einem externen Federwinder und Einführen der gespannten Feder (8, 11) in die Trommel (6, 6'); und
    Anordnen des ersten Flansches (18) in der Trommel (6, 6') und des zweiten Flansches (19, 19') auf der Welle (3).
EP13728420.4A 2012-06-22 2013-06-14 Ansteuerungsvorrichtung für uhrwerk Active EP2864841B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00883/12A CH706641A2 (fr) 2012-06-22 2012-06-22 Organe moteur pour mouvement d'horlogerie.
PCT/EP2013/062408 WO2013189856A2 (fr) 2012-06-22 2013-06-14 Organe moteur pour mouvement d'horlogerie

Publications (2)

Publication Number Publication Date
EP2864841A2 EP2864841A2 (de) 2015-04-29
EP2864841B1 true EP2864841B1 (de) 2019-09-25

Family

ID=48613650

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13728420.4A Active EP2864841B1 (de) 2012-06-22 2013-06-14 Ansteuerungsvorrichtung für uhrwerk

Country Status (7)

Country Link
US (1) US9285771B2 (de)
EP (1) EP2864841B1 (de)
JP (1) JP6042534B2 (de)
CN (1) CN104412174A (de)
CH (1) CH706641A2 (de)
HK (1) HK1204683A1 (de)
WO (1) WO2013189856A2 (de)

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Publication number Priority date Publication date Assignee Title
CH706214B1 (fr) * 2012-03-09 2016-09-30 Sowind SA Barillet de pièce d'horlogerie.
WO2017005394A1 (fr) * 2015-07-07 2017-01-12 Patek Philippe Sa Geneve Arbre de barillet d'horlogerie
CH711870B1 (fr) * 2015-12-10 2019-08-30 Parmigiani Fleurier S A Mouvement horloger.
EP3244094B1 (de) * 2016-05-12 2023-08-16 Rolex Sa Zahnrad für uhrwerk
CN107817670A (zh) * 2016-09-13 2018-03-20 天津海鸥表业集团有限公司 一种双发条手表原动组件
JP2018054562A (ja) * 2016-09-30 2018-04-05 セイコーエプソン株式会社 時計用動力装置および時計用動力装置の製造方法
DE102016122936B4 (de) * 2016-11-28 2018-11-08 Lange Uhren Gmbh Federhaus für eine Uhr

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Publication number Priority date Publication date Assignee Title
US175371A (en) * 1876-03-28 Improvement in apparatus for filling cans
US163161A (en) 1875-05-11 Improvement in mainsprings for watches
US525265A (en) * 1894-08-28 Mainspring-barrel for watches
CH24786A (fr) 1901-11-14 1903-02-15 Japy Freres & Co Nouveau barillet pour montres
US816723A (en) 1905-06-08 1906-04-03 William H Lowe Watch barrel-arbor.
US1223982A (en) 1916-05-13 1917-04-24 William W Jordan Spring-barrel for watches.
US1643403A (en) * 1916-07-10 1927-09-27 Edward R Hills Watch barrel
CH174430A (fr) 1934-04-04 1935-01-15 Adolphe Thum Raymond Moteur à ressort.
US2192101A (en) 1937-06-08 1940-02-27 American Steel & Wire Co Spiral spring
CH213484A (de) 1940-02-15 1941-02-15 Landis & Gyr Ag Rutschkupplung in Federgehäusen.
US2552963A (en) * 1946-09-05 1951-05-15 Hall Ernest Winding barrel for watches
US2617248A (en) * 1948-12-31 1952-11-11 Foster H Brown Overwind preventer
CH295135A (de) 1951-11-16 1953-12-15 Ag Brac Uhrwerk.
JPS4910573U (de) * 1972-04-26 1974-01-29
CH1147874A4 (de) 1974-08-22 1977-05-13
GR57852B (en) * 1974-12-24 1977-07-04 H Darda Federtriebwerk,insbesondere fuer fahrspielzeuge
EP2060957A1 (de) * 2007-11-16 2009-05-20 ETA SA Manufacture Horlogère Suisse Motorelement mit federn für uhrwerk
CH699988A2 (fr) * 2008-11-28 2010-05-31 Patek Philippe Sa Geneve Organe moteur pour mouvement horloger.
CH704150A2 (fr) * 2010-11-17 2012-05-31 Cartier Creation Studio Sa Organe moteur pour mouvement d'horlogerie.

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Also Published As

Publication number Publication date
CN104412174A (zh) 2015-03-11
CH706641A2 (fr) 2013-12-31
EP2864841A2 (de) 2015-04-29
WO2013189856A3 (fr) 2014-05-22
JP2015520388A (ja) 2015-07-16
HK1204683A1 (en) 2015-11-27
WO2013189856A2 (fr) 2013-12-27
US9285771B2 (en) 2016-03-15
US20150338826A1 (en) 2015-11-26
JP6042534B2 (ja) 2016-12-14

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