EP2871534B1 - Triebfeder einer Uhrwerk mit unidirektionalen Zahnraden - Google Patents

Triebfeder einer Uhrwerk mit unidirektionalen Zahnraden Download PDF

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Publication number
EP2871534B1
EP2871534B1 EP13191782.5A EP13191782A EP2871534B1 EP 2871534 B1 EP2871534 B1 EP 2871534B1 EP 13191782 A EP13191782 A EP 13191782A EP 2871534 B1 EP2871534 B1 EP 2871534B1
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EP
European Patent Office
Prior art keywords
wheel
spring
wheel set
torque
toothing
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
EP13191782.5A
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English (en)
French (fr)
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EP2871534A1 (de
Inventor
Cédric Decosterd
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.)
ETA SA Manufacture Horlogere Suisse
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ETA SA Manufacture Horlogere Suisse
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Filing date
Publication date
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP13191782.5A priority Critical patent/EP2871534B1/de
Priority to US14/516,033 priority patent/US9298163B2/en
Priority to JP2014222325A priority patent/JP5883910B2/ja
Priority to CN201420674500.9U priority patent/CN204229119U/zh
Priority to CN201410641785.0A priority patent/CN104635467B/zh
Publication of EP2871534A1 publication Critical patent/EP2871534A1/de
Priority to HK15109564.0A priority patent/HK1208916A1/xx
Application granted granted Critical
Publication of EP2871534B1 publication Critical patent/EP2871534B1/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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • 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
    • G04B1/20—Protecting arrangements against rupture or overwinding of the mainspring located in the barrel or attached to the barrel
    • 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
    • G04B11/003—Clutch mechanism between two rotating members with transfer of movement in both directions, possibly with limitation on the transfer of power with friction member, e.g. with spring action
    • 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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/02—Devices allowing the motion of a rotatable part in only one direction

Definitions

  • the invention relates to a unidirectional wheel watchmobile comprising a shaft carrying a pinion and at least a first wheel coaxial with said pinion and pivotally mounted on said shaft, wherein said first wheel is connected to said shaft by first resilient return means for rotating or at least a first spring constituting first disengaging means and which exert on said first wheel a frictional force.
  • the invention further relates to a watch movement comprising at least one such mobile.
  • the invention also relates to a timepiece comprising at least one such movement.
  • the invention relates to the field of mechanical clockwork movements.
  • the MECO patent EP1738229B1 discloses a hollow ring having a first resiliently deformable element cooperating in a first direction of rotation with a rigid element, as long as the rotational torque transmitted by one of these elements to the other is less than a pre-defined value, beyond which this first deformable element is likely to deform to disengage its cooperation with this rigid element.
  • a barrel is disposed in the crown housing and comprises means for fixing a winding stem.
  • the first deformable element is integral with this gun regardless of the value of the couple rotation, and the rigid element is fixed relative to the crown.
  • the first deformable element cooperates in rotation with the inner periphery of the rigid element which is of annular shape.
  • the ETA patent EP 1843225B1 discloses a single-direction reversing mechanism with an elastic clutch device capable, with at least one locking arm, of coupling or decoupling the two wheels of a coaxial two-wheeled vehicle, depending on the direction of rotation of the driving pinion, to at least one of these locking arms being adapted to cooperate with a bowl at the inner periphery of the driven wheel.
  • the document CH 702 924 B1 PATEK PHILIPPE takes this principle, and describes a pinion and a wheel coaxially mounted, with a single elastic return means which cooperates, in certain discontinuous positions, only between a drive part integral with the pinion, and other share a female wolf tooth teeth that includes another second integral drive part of the wheel.
  • This elastic return means comprises resilient pawls which are not continuously in contact with this second drive part.
  • the object of the invention is to provide a watch mobile, with one or more inputs, providing a different output response in the direction of pivoting imposed on it by one or the other of the inputs.
  • the invention relates to a unidirectional wheel watchmobile comprising a shaft carrying a pinion and at least a first wheel coaxial with said pinion and pivotally mounted on said shaft, wherein said first wheel is related to said shaft by first resilient means of rotation in rotation or at least a first spring constituting first disengaging means and which exert on said first wheel a frictional force, characterized in that said mobile further comprises a second wheel pivotally mounted on said shaft and linked to said shaft by second resilient means of rotation in rotation or at least a second spring constituting second disengaging means and which exert on said second wheel a frictional force.
  • said first disengaging means exert on said first wheel a friction force whose moment of torque is different in the direction of relative pivoting between said first disengaging means and said first wheel.
  • said second disengaging means exert on said second wheel a friction force whose moment of torque is different in the direction of relative pivoting between said second disengaging means and said second wheel.
  • said first spring is arranged to generate a unidirectional direction of pivot without play of said first wheel with respect to said shaft of said mobile, so as to prevent any transmission of a torque to a moving object by a first toothing that includes said first wheel when applying a torque to said pinion.
  • said first spring is arranged to generate a unidirectional direction of pivoting without play of said first wheel relative to said shaft of said mobile, so as to prevent any transmission of a torque to an opposing mobile by said pinion when applying a torque to a first toothing that includes said first wheel.
  • said second spring is arranged to generate a unidirectional direction of pivoting without play of said second wheel with respect to said shaft of said mobile, so as to prevent any transmission of a torque to an opposing mobile by a second toothing that comprises said second wheel during the application of a torque to said pinion.
  • said second spring is arranged to generate a unidirectional direction of pivoting without play of said second wheel with respect to said shaft of said mobile, so as to prevent any transmission of a torque to an opposing mobile by said pinion when applying a torque to a second toothing that includes said second wheel.
  • the invention also relates to a watch movement comprising at least one such mobile, characterized in that said movement comprises at least one mobile transmitter meshing with a toothing of a wheel of said mobile, and a mobile receiver meshing with said pinion of said mobile .
  • said movement comprises at least a first mobile transmitter meshing with a first toothing of a first wheel of said mobile and a second mobile transmitter meshing with a second toothing of a second wheel of said mobile.
  • the invention also relates to a timepiece comprising at least one such movement.
  • the invention relates to a unidirectional wheel watchmaker 8 having a shaft 80 carrying a pinion 81 and at least a first wheel 82 coaxial with the pinion 81 and pivotally mounted on the shaft 80.
  • This first wheel 82 is connected to the shaft 80 by first elastically rotating return means or at least a first spring 84 constituting first disengaging means 91, and which exert on this first wheel 82 a frictional force.
  • these first disengaging means 91 exert on this first wheel 82 a friction force whose moment of the torque is different according to the direction of relative pivoting between the first disengaging means 91 and the first wheel 82.
  • the mobile 8 further comprises a second wheel 86 pivotally mounted on the shaft 80, and which is linked to this shaft 80 by second elastic return means of rotation or at least one second spring 88 constituting second disengaging means 92, and which exert on this second wheel 86 a frictional force.
  • the second disengaging means 92 exert on this second wheel 86 a friction force whose moment of torque is different in the direction of relative pivoting between the second disengaging means 92 and the second wheel 86.
  • the first spring 84 is arranged to generate a unidirectional direction of pivoting without play of the first wheel 82 relative to the shaft 80 of the mobile 8, so as to prevent any transmission of a torque to an opposing mobile by a first toothing 85 that includes the first wheel 82 when applying a torque to the pinion 81.
  • the first spring 84 is arranged to generate a unidirectional direction of pivoting without play of the first wheel 82 relative to the shaft 80 of the mobile 8, so as to prevent any transmission of a torque to an opposing mobile by the pinion 81 when applying a torque to a first gear 85 that includes the first wheel 82.
  • the second spring 88 is arranged to generate a unidirectional pivoting direction without play of the second wheel 86 with respect to the shaft 80 of the moving part 8, so as to prevent any transmission of a torque to an opposing mobile by a second toothing 89 that includes the second wheel 86 when applying a torque to the pinion 81.
  • the second spring 88 is arranged to generate a unidirectional pivoting direction without play of the second wheel 86 with respect to the shaft 80 of the moving part 8, so as to prevent any transmission of a torque to an opposing mobile by the pinion 81 when applying a torque to a second toothing 89 that includes the second wheel 86.
  • first wheel 82 and the second wheel 86 are unidirectional in the same direction of pivoting.
  • the first wheel 82 comprises a first toothing 85 which is different from a second toothing 89 which the second wheel 86 comprises.
  • the first spring 84 is identical to the second spring 88.
  • the invention also relates to a watch movement 100 comprising at least one such mobile 8.
  • this movement 100 comprises at least one mobile transmitter 1, 2, meshing with a set of teeth 85, 89, of a wheel 82, 86, of this mobile 8, and a mobile receiver 3 meshing with the pinion 81 of the mobile 8.
  • the movement 100 comprises at least a first mobile transmitter 1 meshing with a first toothing 85 of a first wheel 82 of said mobile 8 and a second mobile transmitter 2 meshing with a second set of teeth 89 of a second wheel 86 of mobile 8.
  • the invention also relates to a timepiece 200, in particular a watch, comprising at least one such movement 100.
  • the figure 1 shows a particular, non-limiting embodiment of a mobile 8 mounted, consisting of five parts: an axis 80, preferably a 20AP steel standard neck, the first wheel 82 and the second wheel 86, which rotate freely, and the first spring 84 and the second spring 88 which guarantee the training or non-driving of these wheels.
  • an axis 80 preferably a 20AP steel standard neck
  • the first wheel 82 and the second wheel 86 which rotate freely
  • the first spring 84 and the second spring 88 which guarantee the training or non-driving of these wheels.
  • first wheel 82 and second wheel 86 preferably made of hardened copper-beryllium (CuBe), their function is to drive the axis 80 when they undergo a torque of external origin.
  • CuBe hardened copper-beryllium
  • each spring 84, 88 must not transmit torque when they are driven by the axis 80 (disengaging system between the two wheels).
  • the wheel 82 or 86 must have no dead angle, unlike a ratchet wheel, for example.
  • the teeth 85 and 89 of these wheels 82 and 86 are optimized to minimize gearing.
  • the very different behavior of each spring 84, 88, according to the direction of the torque applied to it can be simplified in a first "free" direction and a second "friction" drive direction.
  • the two wheels 82 and 86 are preferably designed to receive the same spring, which limits the number of components.
  • their pivot diameters are preferably identical. This allows to have the same size for the attachment of the spring in the center on the drive, including hexagon, axis 80.
  • the first 84 or second 88 flexible spring has the function of driving the axis 80 when working in blocking direction.
  • the axis 80 drives a spring, it should not drive the corresponding wheel.
  • the friction torque is minimized and the locking torque is maximized.
  • the mobile 8 forms a unidirectional wheel whose operation resembles a reversing ratchet wheel.
  • the mobile 8 is a big improvement over the known inverters, because it is much less bulky, and therefore easier to implant in a movement 100.
  • the mobile 8 according to the invention has no dead angle, which allows its assembly in an automatic movement.
  • the Figures 2 to 8 illustrate various non-limiting geometries of springs which are applicable to both the first spring 84 and the second spring 88.
  • the figure 2 shows more particularly the first spring 84 housed in the first additional ratchet drive wheel 82, and the Figures 3 to 8 the second spring 88 housed in the second additional ratchet drive wheel 86.
  • an outer turn 841, respectively 881, of the first spring 84, respectively of the second spring 88 cooperates with a housing 820, respectively 860, of the wheel 82, respectively 86, in which it is held by friction at its periphery or / and lugs 84A, respectively 88A that includes the first spring 84, respectively second spring 88.
  • the inner part of each spring, 842, respectively 882 cooperates with the shaft 80, by a female portion 840, respectively 880, of the first spring 84, respectively of the second spring 88, of complementary profile to a male portion 800 of the shaft 80.
  • the particular profile of the illustrated springs, with an asymmetrical stiffness of at least one arm 843, respectively 883, joining the inner part of each spring, 842, respectively 882, to its outer portion 841, respectively 881, makes it possible to apply a torque with a strong moment differential, depending on whether the relative pivoting movement between the shaft 80 and the respective wheel, is in one direction or the other.
  • the ratio of the torque exerted in one direction with respect to the other is preferably greater than 3; depending on the shape of the spring, the sections used, and the pairs of materials present, this ratio can be notably increased, in particular beyond a factor of 10.
  • each spring 842, respectively 882
  • the profile of the spring is closed: the inner part of each spring, 842, respectively 882, has the shape of a rhombus centered on the shaft 80, one of the ends A of the rhombus constitutes the beginning of the outer portion 841, respectively 881, which is circular in almost a complete turn, before winding on itself at point C and forming an arm 843, respectively 883, in a circular sector of about a half-turn, radius less than that of the outer part, clinging to point B at the other end of the symmetrical rhombus at the first end A.
  • the profile of the spring is open: the inner part, 842, respectively 882, has the shape of a disk extended on a radius by a triangle, whose distal tip E is the start of an arm 843, respectively 883, in circular sector of about a half-turn, before winding on itself at the point F and forming the outer portion 841, 881 respectively, which is circular in almost a complete turn, radius greater than that of the arm, before stopping at a distal end G.
  • the profile of the spring is open: the inner part, 842, respectively 882, has the shape of a disk extended on a radius by a triangle, whose distal tip H constitutes the departure of an arm 843, respectively 883, in spiral increasing about half a turn to the point I where starts an outer portion 841, respectively 881, circular, before stopping at a distal end J, after about a turn and a quarter with respect to the point H.
  • the profile of the spring is open, the spring having two symmetrical strands: the inner part, 842, respectively 882, has the shape of a disk which is hooked in K, N, an arm 843, respectively 883, spiraling increasing about three quarters of a turn to the point L, P, where starts a outer portion 841, respectively 881, circular one-half turn, before stopping at a distal end M, Q.
  • the profile of the spring is closed, and comprises a mesh with a pitch of 120 °: the inner part, 842, respectively 882, has the shape of a disc whose part R at the point R an arm 843, respectively 883, substantially radial but curved, which joins at point S a rope 885 which joins two circular sectors of larger diameter, one sector TU forming an outer portion 841, respectively 881, the spring starting at point U on another rope 885 making about 120 ° with the previous, and joining at point V another radial arc similar to the first, the point V being the conjugate of the starting point S.
  • the profile of the spring is open, the spring having two symmetrical strands: the inner part, 842, respectively 882, has the shape of a disk which is engaged in W a radial arm 886 of strong section, up to a point X of which part at right angle arm 843, respectively 883, of less section than the radial arm 886, to a distal end Y periphery of the wheel.
  • Game-catching and blocking features are provided each time directly by a single component.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gears, Cams (AREA)
  • Mechanical Operated Clutches (AREA)
  • Springs (AREA)

Claims (13)

  1. Bewegliches Uhrenelement mit Ein-Richtungs-Rad (8), das eine ein Ritzel (81) tragende Welle (80) und wenigstens ein zu dem Ritzel (81) koaxiales erstes Rad (82), das auf der Welle (80) drehbar angeordnet ist, umfasst, wobei das erste Rad (82) mit der Welle (80) durch erste elastische Drehrückstellmittel oder wenigstens eine erste Feder (84), die erste Auskuppelmittel (91) bilden und auf das erste Rad (82) eine Reibungskraft ausüben, verbunden ist, dadurch gekennzeichnet, dass es außerdem ein zweites Rad (86), das auf der Welle (80) drehbar angeordnet ist und mit der Welle (80) durch zweite elastische Drehrückstellmittel oder wenigstens eine zweite Feder (88), die zweite Auskuppelmittel (92) bilden, die auf das zweite Rad (86) eine Reibungskraft ausüben, verbunden ist.
  2. Bewegliches Element (8) nach Anspruch 1, dadurch gekennzeichnet, dass die ersten Auskuppelmittel (91) auf das erste Rad (82) eine Reibungskraft ausüben, deren Drehmoment zwischen den ersten Auskuppelmitteln (91) und dem ersten Rad (82) je nach relativer Drehrichtung unterschiedlich ist.
  3. Bewegliches Element (8) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die zweiten Auskuppelmittel (92) auf das zweite Rad (86) eine Reibungskraft ausüben, deren Drehmoment zwischen den zweiten Auskuppelmitteln (92) und dem zweiten Rad (86) je nach relativer Drehrichtung unterschiedlich ist.
  4. Bewegliches Element (8) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die erste Feder (84) dafür ausgelegt ist, eine einseitig gerichtete Drehrichtung ohne Spiel des ersten Rades (82) in Bezug auf die Welle (80) des beweglichen Elements (8) zu erzeugen, so dass jegliche Übertragung eines Drehmoments auf ein bewegliches Gegenelement über eine erste Zahnung (85), die das erste Rad (82) aufweist, während der Ausübung eines Drehmoments auf das Ritzel (81) verhindert wird.
  5. Bewegliches Element (8) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die erste Feder (84) dafür ausgelegt ist, eine einseitig gerichtete Drehrichtung ohne Spiel des ersten Rades (82) in Bezug auf die Welle (80) des beweglichen Elements (8) zu erzeugen, so dass jegliche Übertragung eines Drehmoments auf ein bewegliches Gegenelement durch das Ritzel (81) während der Ausübung eines Drehmoments auf eine erste Zahnung (85), die das erste Rad (82) aufweist, verhindert wird.
  6. Bewegliches Element (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Feder (88) dafür ausgelegt ist, eine einseitig gerichtete Drehrichtung ohne Spiel des zweiten Rades (86) in Bezug auf die Welle (80) des beweglichen Elements (8) zu erzeugen, so dass jegliche Übertragung eines Drehmoments auf ein bewegliches Gegenelement durch eine zweite Zahnung (89), die das zweite Rad (86) aufweist, während der Ausübung eines Drehmoments auf das Ritzel (81) verhindert wird.
  7. Bewegliches Element (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Feder (88) dafür ausgelegt ist, eine einseitig gerichtete Drehrichtung ohne Spiel des zweiten Rades (86) in Bezug auf die Welle (80) des beweglichen Elements (8) zu erzeugen, so dass jegliche Übertragung eines Drehmoments auf ein bewegliches Gegenelement durch das Ritzel (81) während der Ausübung eines Drehmoments auf eine zweite Zahnung (89), die das zweite Rad (86) aufweist, verhindert wird.
  8. Bewegliches Element (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste Rad (82) und das zweite Rad (86) in derselben Drehrichtung einseitig gerichtet sind.
  9. Bewegliches Element (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste Rad (82) eine erste Zahnung (85) aufweist, die von einer zweiten Zahnung (89), die das zweite Rad (86) aufweist, verschieden ist.
  10. Bewegliches Element (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die erste Feder (84) mit der zweiten Feder (88) baugleich ist.
  11. Uhrwerk (100), das wenigstens ein bewegliches Element (8) nach einem der vorhergehenden Ansprüche umfasst, dadurch gekennzeichnet, dass das Uhrwerk (100) wenigstens ein bewegliches Senderelement (1; 2) umfasst, das mit einer Zahnung (85; 89) eines Rades (82; 86) des beweglichen Elements (8) in Eingriff steht, und ein bewegliches Empfängerelement (3) umfasst, das mit dem Ritzel (81) des beweglichen Elements (8) in Eingriff steht.
  12. Uhrwerk (100) nach Anspruch 11, dadurch gekennzeichnet, dass das Werk (100) wenigstens ein erstes bewegliches Senderelement (1) umfasst, das mit einer ersten Zahnung (85) eines ersten Rades (82) des beweglichen Elements (8) in Eingriff steht, und ein zweites bewegliches Senderelement (2) umfasst, das mit einer zweiten Zahnung (89) eines zweiten Rades (86) des beweglichen Elements (8) in Eingriff steht.
  13. Zeitmessgerät (200), das wenigstens ein Uhrwerk (100) nach Anspruch 11 oder 12 umfasst.
EP13191782.5A 2013-11-06 2013-11-06 Triebfeder einer Uhrwerk mit unidirektionalen Zahnraden Active EP2871534B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP13191782.5A EP2871534B1 (de) 2013-11-06 2013-11-06 Triebfeder einer Uhrwerk mit unidirektionalen Zahnraden
US14/516,033 US9298163B2 (en) 2013-11-06 2014-10-16 Timepiece wheel set with a unidirectional wheel
JP2014222325A JP5883910B2 (ja) 2013-11-06 2014-10-31 単方向歯車を有する時計用ホイールセット
CN201420674500.9U CN204229119U (zh) 2013-11-06 2014-11-06 具有单向轮的钟表轮副、钟表机芯和钟表
CN201410641785.0A CN104635467B (zh) 2013-11-06 2014-11-06 具有单向轮的钟表轮副
HK15109564.0A HK1208916A1 (en) 2013-11-06 2015-09-29 Timepiece wheel set with a unidirectional wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13191782.5A EP2871534B1 (de) 2013-11-06 2013-11-06 Triebfeder einer Uhrwerk mit unidirektionalen Zahnraden

Publications (2)

Publication Number Publication Date
EP2871534A1 EP2871534A1 (de) 2015-05-13
EP2871534B1 true EP2871534B1 (de) 2017-01-04

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EP13191782.5A Active EP2871534B1 (de) 2013-11-06 2013-11-06 Triebfeder einer Uhrwerk mit unidirektionalen Zahnraden

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US (1) US9298163B2 (de)
EP (1) EP2871534B1 (de)
JP (1) JP5883910B2 (de)
CN (2) CN104635467B (de)
HK (1) HK1208916A1 (de)

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EP2871534B1 (de) * 2013-11-06 2017-01-04 ETA SA Manufacture Horlogère Suisse Triebfeder einer Uhrwerk mit unidirektionalen Zahnraden
EP3220206B1 (de) * 2016-03-16 2020-09-30 Rolex Sa Übertragungsvorrichtung für uhr
EP3273303A1 (de) * 2016-07-19 2018-01-24 Nivarox-FAR S.A. Bauteil für uhrwerk
EP3580618B1 (de) * 2017-02-13 2022-01-26 Patek Philippe SA Genève Antriebsorgan einer uhr
EP3418816B1 (de) 2017-06-20 2019-10-16 Lakeview Innovation Ltd. Unruhfeder mit rautenförmigem querschnitt für ein mechanisches uhrwerk einer kleinuhr sowie verfahren zur herstellung der unruhfeder
CH714365B1 (fr) 2017-11-24 2023-03-31 Blancpain Sa Mobile d'horlogerie à roue unidirectionnelle.
EP3705949A1 (de) 2019-03-05 2020-09-09 ETA SA Manufacture Horlogère Suisse Drehmomentbegrenzungsmechanismus eines uhrwerks

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EP2871534A1 (de) 2015-05-13
HK1208916A1 (en) 2016-03-18
JP5883910B2 (ja) 2016-03-15
JP2015090368A (ja) 2015-05-11
CN204229119U (zh) 2015-03-25
US9298163B2 (en) 2016-03-29
US20150124569A1 (en) 2015-05-07
CN104635467B (zh) 2017-11-24
CN104635467A (zh) 2015-05-20

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