EP2264550A1 - Rad für Wechselrichter, Herstellungsverfahren eines solchen Rads und Wechselrichtern für mit einem solchen Rad ausgestattetes Uhrwerk - Google Patents

Rad für Wechselrichter, Herstellungsverfahren eines solchen Rads und Wechselrichtern für mit einem solchen Rad ausgestattetes Uhrwerk Download PDF

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Publication number
EP2264550A1
EP2264550A1 EP09162836A EP09162836A EP2264550A1 EP 2264550 A1 EP2264550 A1 EP 2264550A1 EP 09162836 A EP09162836 A EP 09162836A EP 09162836 A EP09162836 A EP 09162836A EP 2264550 A1 EP2264550 A1 EP 2264550A1
Authority
EP
European Patent Office
Prior art keywords
radius
wheel
inverter
rotation
periphery
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.)
Withdrawn
Application number
EP09162836A
Other languages
English (en)
French (fr)
Inventor
Huy Van Tran
Ludovic Perez
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.)
Samep Sa - Montres Emile Pequignet
Original Assignee
Samep Sa - Montres Emile Pequignet
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 Samep Sa - Montres Emile Pequignet filed Critical Samep Sa - Montres Emile Pequignet
Priority to EP09162836A priority Critical patent/EP2264550A1/de
Priority to EP10747436A priority patent/EP2443523A2/de
Priority to US13/391,149 priority patent/US8622610B2/en
Priority to PCT/EP2010/058498 priority patent/WO2010146099A2/fr
Priority to CN201080035442.XA priority patent/CN102483606B/zh
Publication of EP2264550A1 publication Critical patent/EP2264550A1/de
Withdrawn legal-status Critical Current

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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
    • G04B5/10—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is not limited
    • G04B5/14—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is not limited acting in both directions
    • 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)
    • 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
    • G04B7/00—Combined normal and automatic winding up
    • 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
    • Y10T29/49462—Gear making
    • Y10T29/49467—Gear shaping

Definitions

  • the present invention relates to a wheel for an inverter device intended to equip a watch movement, comprising a board having a first radius R1 and provided with a peripheral toothing.
  • the present invention also relates to a method of manufacturing such a wheel, as well as inverter devices using such wheels and intended to equip a watch movement, preferably self-winding type.
  • Wheels of this type are already commonly used in self-winding watch movements, especially in reversing devices arranged in the winding automatic winding of the mainspring.
  • the book entitled " Clockwork Theory" by C.-A.Reymondin et al., Edited by the Federation of Technical Schools (Switzerland), ISBN 2-940025-10-X , describes and illustrates different embodiments of such wheels, on pages 180 and following, as well as the operation of the corresponding inverter devices.
  • wheels There are mainly two types of wheels, namely some intended to cooperate with an inverter member in an axial direction, and others intended to cooperate with an inverter member in the general plane of the wheel.
  • the wheels In the first case, the wheels have generally simpler structures than in the second case, but the corresponding devices have a larger footprint.
  • the cooperation between the wheel and the inverter member occurs in the general plane of the wheel, it is necessary to machine notches or beaks in the wheel, especially by milling, which can be complex and expensive . This disadvantage is even more troublesome when two wheels are needed to make a double inverter device in the same watch movement.
  • these devices are generally not used in the manual winding gear in which a disengaging mechanism is generally used, to avoid the rotation of the winding stem when the barrel is driven from the mechanism of automatic winding.
  • a main object of the present invention is to overcome the disadvantages of reversing devices known from the prior art, by proposing a wheel for an inverter device whose manufacture is simplified with respect to the known wheels of the prior art and allowing the production of devices inverters of simple and compact structure.
  • the present invention relates more particularly to a wheel of the type mentioned above, characterized in that it comprises a central core whose periphery has n peripheral nozzles intended to cooperate with an inverter member and each of which is defined by the intersection of a circular hole with the periphery of the central core, n being equal to or greater than one.
  • the wheel according to the present invention allows a cooperation with the inverter member in its general plan, without however requiring the implementation of complex and expensive milling operations for its realization.
  • the wheel is further characterized in that the central core has a shape resulting from the combination of a first, substantially circular, central, first hole having a second radius R2, with n secondary circular holes, having a third radius R3 less than the second radius R2 and whose centers C3 are located at a distance from the center C1 of the upper wheel R2-R3.
  • the wheel then has n additional circular holes, having a fourth radius R4, smaller than the third radius R3, each of the n additional holes being secant to a portion of the periphery of the central core defined by only one of the secondary circular holes and , each of the n additional holes having its center C4 located on a radius different from the radius passing through the center C3 of the hole corresponding secondary, at a distance of C1 greater than the second radius R2, so as to define the nozzles.
  • the entire machining of the portion of the wheel which is intended to cooperate with the inverter member can be achieved by drilling operations, much simpler than milling.
  • drilling operations much simpler than milling.
  • the central core is formed by drilling a first, substantially circular, central, first hole having a second radius R2, combined with the prior drilling of n secondary circular holes, having a third radius R3 smaller than the second radius R2. and whose centers C3 are located at a distance from the center C1 of the upper wheel to R2-R3.
  • the method comprises an additional step of drilling n additional circular holes, having a fourth radius R4, less than the third radius R3, each of the n additional holes being secant to a portion of the periphery of the central core defined by only one of the circular holes and each of the n additional holes having its center C4 located on a radius different from the radius passing through the center C3 of the corresponding secondary hole, at a distance of C1 greater than the second radius R2, of way to define the beaks.
  • the additional holes can be drilled before the other holes.
  • the invention also relates to a simple inverter device, intended to equip a watch movement, comprising first and second gears intended to be respectively engaged with first and second mobiles of the watch movement, the first and second wheels being coaxial and interconnected by an inverter member arranged to transmit a rotation of the first wheel to the second wheel in a predefined direction of rotation and prevent the transmission of a rotation of the second wheel, in the predefined direction of rotation, to the first wheel.
  • the reversing member comprises two teeth, substantially diametrically opposed and of asymmetric shapes, and is mechanically connected to the first wheel so as to be integral in rotation while being able to move between first and second extreme positions in a radial direction, with reference to the first wheel.
  • the second wheel meets the characteristics stated above, and comprises a board, having a first radius R1 and provided with a peripheral toothing, and a central core defining a housing for the inverter member and whose periphery has n peripheral nozzles, intended to cooperate with the teeth of the inverter member in the predefined direction of rotation, and each of which is defined by the intersection of two circular holes, n being equal to or greater than one.
  • the invention also relates to a dual inverter device, intended to equip a watch movement, comprising first and second gears intended to be driven simultaneously in opposite directions of rotation by a mechanism of the watch movement, the first and second wheels being both coaxial with a toothed output member, intended to be kinematically connected to a first mobile of the watch movement, and mechanically connected to the output member by first and second respective inverter members, arranged to transmit to the output member a rotation one or the other wheel in one and the same direction of rotation and prevent the transmission a rotation of the output member, in the predefined direction of rotation, to one or other of the wheels.
  • each of the inverter members comprises two teeth, substantially diametrically opposed and of asymmetric shapes, and is mechanically connected to the output member so as to be integral in rotation while being able to move between first and second extreme positions in a radial direction.
  • each of the first and second wheels comprises a board, having a first radius R10, respectively R100, and provided with a peripheral toothing, and a central core defining a housing for the body corresponding inverter and whose periphery has n peripheral nozzles, intended to cooperate with the teeth of the corresponding inverter member in the predefined direction of rotation, and each of which is defined by the intersection of a circular hole with the periphery of the core central, n being equal to or greater than one.
  • the watch movement can be of the self-winding type, while the first mobile is its barrel.
  • FIG. 1 shows a schematic, in simplified front view, illustrating the manufacture of a wheel according to a preferred embodiment of the present invention
  • FIG. 2 represents a simplified perspective view of a part of an inverter device intended to cooperate with a wheel similar to that shown schematically on the figure 1 according to a first embodiment of the present invention
  • the figure 3 represents a simplified sectional view of a simple inverter device implementing the elements of the figure 2 , according to the section line III-III of the figure 2 ;
  • the figure 4 represents a simplified perspective view, partially in transparency, of an example of implementation of the simple inverter of the figure 3 in a watch movement;
  • FIG. 5 represents a simplified perspective view, partially in transparency, of a double inverter according to a second preferred embodiment of the present invention
  • the figure 6 represents a simplified sectional view of the inverter device of the figure 5 , according to the section line VI-VI of the figure 5 , and
  • the figure 7 represents a simplified front view, partly in transparency, of an example of implementation of the double inverter of the figure 5 in a watch movement.
  • the figure 1 illustrates, schematically, the method of manufacturing a wheel 1 according to a preferred embodiment of the present invention, such a wheel being intended to equip an inverter device, in particular to be integrated into a winding train of a movement watchmaker of the self-winding type.
  • the manufacturing method comprises the following steps, after being equipped with a wheel board 2, C1 center, having a first radius R1 and in which is formed a peripheral toothing 3.
  • a central core 5 is made, preferably by drilling a second radius R2.
  • a plurality of secondary circular holes 6 is made by drilling operations, with a third radius R3, smaller than the second radius R2.
  • the centers C3 of the secondary holes 6 are situated at a distance from the center C1 of the plate 2 greater than R2-R3.
  • the secondary holes intersect the periphery of the central core 5.
  • n secondary holes are drilled, n being greater than or equal to one.
  • An additional operation is to drill n additional circular holes 8 having a fourth radius R4, less than the third radius R3.
  • Each of the additional holes 8 is secant to a portion of the periphery of the central core 5 defined by only one of secondary holes 6, having its center C4 located on a radius different from the radius passing through the center C3 of the corresponding secondary hole 6 at a distance of C1 greater than the second radius R2.
  • each secondary hole 8 with the corresponding additional hole 6 defines a spout 10 intended to cooperate with an inverter member, as will be apparent from the detailed description of the following figures.
  • the secondary and additional holes can indifferently be blind or through, without departing from the scope of the present invention.
  • FIGS. 2, 3 and 4 illustrate all or part of a simple inverter device according to a first preferred embodiment of the present invention.
  • the figure 2 represents, in a simplified perspective view, constituents of the simple inverter device according to this first embodiment.
  • the reversing device comprises a first gear wheel 20 having a central opening (not visible) in which is housed, secured, a central connecting member 21.
  • the latter comprises a barrel 22, of cylindrical general shape and in which are formed two flats 24 parallel.
  • Each tooth has a front side (in the direction of rotation effective) substantially radial and a rear side having a substantially tangential short portion and followed by a gentle slope, itself followed a long portion ensuring the junction until the next tooth, of substantially circular shape.
  • the central opening has a substantially oblong shape with a width slightly greater than the distance separating the two flats 24 and a length greater than the diameter of the barrel 22.
  • the reversing member is connected to the connecting member 21, thus to the first wheel 20, so that it is integral in rotation with the first wheel, while it is capable of moving in a direction substantially radial with respect to the axis thereof.
  • the figure 3 represents a sectional view of the inverter device while the constituents described in connection with the figure 2 are assembled to a central shaft 30 for mounting the device on the frame (not shown) of a watch movement.
  • a second wheel 32 is assembled to the other components, being coaxial with the first wheel 20 and the shaft 30.
  • the second wheel 32 is obtained by the manufacturing method described above, in connection with the figure 1 .
  • the figure 4 illustrates, in a simplified perspective view, how the second wheel 32, which here comprises seven nozzles 10, cooperates with the inverter member 25 and how the inverter device can advantageously be implemented in a watch movement.
  • the inverter member 25 is housed in the central core 5 of the second wheel and has dimensions such that its teeth 26 are capable of cooperating with the nozzles 10 of the latter.
  • the asymmetrical shape of the teeth 26 has the consequence that a tooth can cooperate with a nose in a single direction of relative rotation between the inverter member and the second wheel, namely when the inverter member is driven. in counter-clockwise rotation on the representation of the figure 4 .
  • the cooperation between the inverter member and the second wheel involves only one tooth at a time.
  • the simple inverter device is implemented in a manual winding train of a watch movement of the self-winding type, that is to say between the winding stem (not shown) and the barrel 40.
  • the winding stem is conventionally arranged to drive a sliding pinion (not shown) intended to rotate a winding pinion 42 by means of Breguet teeth 43.
  • the winding pinion meshes with the first wheel 20 of the reversing device by an additional toothing 44.
  • the winding pinion 42 is only rotated when the winding stem is rotated in the clockwise direction (observing it from the outside inwards), because of the conventional orientation of the Breguet teeth.
  • the first wheel 20 is then driven in the counterclockwise direction of rotation and thereby causes rotation of the inverter member 25 in the same direction of rotation.
  • the barrel of the barrel 40 is thus rotated in the clockwise direction to reload its spring (not visible).
  • a pawl 45 has been provided to cooperate with the first wheel 20.
  • the pawl 45 comprises a plate 46 provided with a single peripheral tooth 47 arranged in engagement with the toothing of the first wheel 20.
  • the board 46 has a flat portion 48 on a portion of its periphery, against which a spring 49 is disposed in abutment, so as to maintain the board 46 in its angular position as shown in FIG. figure 4 .
  • the board 46 rotates one step clockwise and immediately resumes its initial position under the effect of the action of the spring 49. It is obtained by therefore, when the winding stem is turned clockwise, a ratcheting effect similar to that produced by a conventional ratchet pawl.
  • the pawl 45 advantageously provides the additional function of non-return pawl for the barrel drum.
  • the diameter of the board 46 of one side of the single tooth 47 is equal to the diameter it has at the tooth, thus preventing any rotation of the first wheel 20 in the clockwise direction of rotation.
  • the barrel spring can be recharged from the automatic winding mechanism.
  • the barrel of the barrel 40 is driven by the latter in the direction of clockwise rotation.
  • This rotational movement of the barrel drum causes rotation of the second wheel 32 of the reversing device in the counter-clockwise direction.
  • the nozzles 10 come into contact with the teeth 26 of the inverter member by their side which is not effective, with the inclined side of the teeth.
  • the second wheel 32 does not cause the inverter member 25 to rotate, but the push back so that it is moves on the barrel 22. If the second wheel 32 rotates for a certain time, the reversing organ moves back and forth between its two extreme positions, its teeth being alternately pushed back by the rear sides of the spouts 10.
  • the inverter device according to the present invention performs the same function as the disengagement devices of the prior art, more effectively since the inversion effect is instantaneous unlike the clutch.
  • FIGS 5 to 7 illustrate a dual inverter device according to a second preferred embodiment of the present invention, implementing two wheels of the type whose manufacturing method has been described above, in connection with the figure 1 .
  • the figure 5 represents a simplified perspective view, partially in transparency, of this double inverter.
  • This comprises a central shaft 50 on which are mounted, free in rotation, two wheels 51 and 52 of the type whose manufacturing process has been described above, in connection with the figure 1 , that is to say each comprising a central core in the periphery of which are formed beaks 53, 54
  • first and second inverter members 56, 57 being housed in their respective central openings.
  • Each of the reversing members is similar to that described above, in connection with the figure 2 , that is to say it has two teeth 58, 59 for cooperating with the nozzles 53 or 54 of the wheel with which it is associated.
  • the central shaft 50 has a section provided with two flats 60 substantially parallel to each other and intended to define guide surfaces for central openings 62 formed in the inverter members. Thus, they are likely to move next a radial direction with reference to the central shaft 50, as described above, in connection with the first embodiment.
  • the figure 6 represents a simplified sectional view of the inverter device of the figure 5 , according to the section line VI-VI of the figure 5 from which it emerges that the central shaft 50 comprises two constituent elements, namely a main shaft 64 and a guide member 65 in which are formed the flats 60.
  • the main shaft is intended to make the inverter device integral with a frame member of the watch movement to which it is intended by means of a central bore 66.
  • it comprises a pinion 67 intended to form an output member of the reversing device as will become clearer from the detailed description of the figure 7 .
  • main shaft directly carries pivots for mounting on the frame of the watch movement in place of the central bore 66 without departing from the scope of the invention.
  • the assembly of the inverter device according to the present invention is very simple. Indeed, it is sufficient to set up the first wheel 51 on the guide member 65, then the two inverter members 56 and 57, then the second wheel 52, before inserting the main shaft 64 in a hole 68 adapted of the guide member, to make these two elements integral with one another.
  • the wheels 51, 52 are intended to be connected to an automatic winding device, to be rotated from the movements of an oscillating mass (not visible for clarity).
  • the first wheel 51 meshes directly with an automatic winding wheel 70, itself connected directly or indirectly to an oscillating mass.
  • the second wheel 52 meshes with the wheel 70 via a return 71, to rotate in the direction of rotation opposite that of the first wheel at each moment.
  • the output member of the double inverter device namely the pinion 67 of the main shaft 64, meshes with a first mobile 72 of an automatic winding train, the first mobile meshing with a second mobile 73, itself engaged. with the barrel drum 40.
  • a rotation of one or the other of the wheels 51, 52 in the counterclockwise direction causes rotation of the corresponding inverter member in the same direction of rotation, while wheel rotation in the clockwise direction does not cause the reversing member.
  • the wheel 70 when the wheel 70 is driven in the direction of clockwise rotation, by the oscillating mass, it induces a rotation in the same direction of the second wheel 52 and a counter-clockwise rotation of the first wheel 51.
  • the nibs 54 of the second wheel slide on the teeth 59 of the corresponding inverter member 57, while one of the nozzles 53 of the first wheel hooks one of the teeth 58 of the corresponding inverter member 56 to drive it into position. rotation.
  • a clockwise rotation of the wheel 70 causes a counter-clockwise rotation of the output pinion 67 of the dual inverter device according to the present invention, through the first wheel 51.
  • the wheel 70 when the wheel 70 is driven in the anti-clockwise direction by the oscillating mass, it induces a rotation in the same direction of the second wheel 52 and a clockwise rotation of the first wheel 51.
  • one of the nozzles 54 of the second wheel hooks one of the teeth 59 of the corresponding inverter member 57 to drive it in rotation, while the nozzles 53 of the first wheel slide on the teeth 58 of the corresponding inverter member 56.
  • a counter-clockwise rotation of the wheel 70 also causes a counterclockwise rotation of the output gearwheel 67 of the dual inverter device according to the present invention, via the second wheel 52.
  • the dual inverter device allows to exploit the rotations of the oscillating mass, whatever its direction of rotation, to reload the mainspring.
  • the dual inverter device according to the present invention also makes it possible to prevent any rotation of the barrel drum in the direction of a discharge of the mainspring. Indeed, in this case, the two wheels 51 and 52 are driven in the same direction of rotation and tend to drive the wheel 70 in opposite directions of rotation due to the presence of the return 71, which has the consequence of the block. Thus, it is not necessary to provide a ratchet for the barrel drum.
  • the wheel according to the present invention can simply be made by providing the central, substantially circular core, then by drilling a single series of additional holes, at its periphery, to define the nozzles intended to cooperate with an inverter member. Even if such a solution is less effective than that of the preferred embodiment, it may be sufficient.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gears, Cams (AREA)
  • Transmission Devices (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
EP09162836A 2009-06-16 2009-06-16 Rad für Wechselrichter, Herstellungsverfahren eines solchen Rads und Wechselrichtern für mit einem solchen Rad ausgestattetes Uhrwerk Withdrawn EP2264550A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP09162836A EP2264550A1 (de) 2009-06-16 2009-06-16 Rad für Wechselrichter, Herstellungsverfahren eines solchen Rads und Wechselrichtern für mit einem solchen Rad ausgestattetes Uhrwerk
EP10747436A EP2443523A2 (de) 2009-06-16 2010-06-16 Inverter für einen federantrieb
US13/391,149 US8622610B2 (en) 2009-06-16 2010-06-16 Inverter device for a timepiece movement
PCT/EP2010/058498 WO2010146099A2 (fr) 2009-06-16 2010-06-16 Dispositif inverseur pour mouvement horloger
CN201080035442.XA CN102483606B (zh) 2009-06-16 2010-06-16 用于钟表机芯的反向装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09162836A EP2264550A1 (de) 2009-06-16 2009-06-16 Rad für Wechselrichter, Herstellungsverfahren eines solchen Rads und Wechselrichtern für mit einem solchen Rad ausgestattetes Uhrwerk

Publications (1)

Publication Number Publication Date
EP2264550A1 true EP2264550A1 (de) 2010-12-22

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP09162836A Withdrawn EP2264550A1 (de) 2009-06-16 2009-06-16 Rad für Wechselrichter, Herstellungsverfahren eines solchen Rads und Wechselrichtern für mit einem solchen Rad ausgestattetes Uhrwerk
EP10747436A Withdrawn EP2443523A2 (de) 2009-06-16 2010-06-16 Inverter für einen federantrieb

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10747436A Withdrawn EP2443523A2 (de) 2009-06-16 2010-06-16 Inverter für einen federantrieb

Country Status (4)

Country Link
US (1) US8622610B2 (de)
EP (2) EP2264550A1 (de)
CN (1) CN102483606B (de)
WO (1) WO2010146099A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104668919B (zh) * 2015-01-12 2017-02-22 广东华力通变压器有限公司 一种卷铁芯变压器专用绕线齿轮加工工艺
EP3104232B1 (de) * 2015-06-11 2017-11-29 Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Wendegetriebe für uhr, und armbanduhr mit automatischem aufzug, in der es anwendung findet

Citations (3)

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Publication number Priority date Publication date Assignee Title
CH591104B5 (de) * 1973-11-21 Schild Sa A
CH256922A (fr) * 1947-02-26 1948-09-15 Ebosa Sa Encliquetage.
CH331124A (fr) * 1956-01-07 1958-06-30 Schild Sa A Mécanisme de remontage automatique pour montre

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CH260634A (fr) * 1947-02-27 1949-03-31 Ebosa Sa Pièce d'horlogerie à remontage automatique et à la main.
DE878776C (de) * 1951-10-02 1953-06-05 Pforzheimer Uhren Rohwerke Aufzugskupplung fuer Uhrwerke
CH379405A (fr) * 1961-11-07 1964-08-14 Bueren Watch Company S A Mouvement de montre à remontage automatique
CH499801A (fr) * 1961-12-12 1971-01-15 Omega Brandt & Freres Sa Louis Montre à remontage automatique
US3620337A (en) * 1969-10-24 1971-11-16 Schild Sa A Unidirectional rotary drive coupling device for a watch movement
CH567291A (de) * 1973-02-16 1975-09-30
JP2955993B2 (ja) * 1998-01-07 1999-10-04 セイコーインスツルメンツ株式会社 伝え車およびこの伝え車の製造方法ならびに自動巻輪列構造
DE602006007807D1 (de) * 2006-04-07 2009-08-27 Eta Sa Mft Horlogere Suisse Mechanischer Wechsler zum Drehantreiben eines Rades aus einer einzelnen Richtung

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
CH256922A (fr) * 1947-02-26 1948-09-15 Ebosa Sa Encliquetage.
CH331124A (fr) * 1956-01-07 1958-06-30 Schild Sa A Mécanisme de remontage automatique pour montre
CH591104B5 (de) * 1973-11-21 Schild Sa A

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
C.-A. REYMONDIN ET AL.: "Théorie d'horlogerie"
C-A REYMONDIN ET AL.: "Théorie d'horlogerie", October 1998, FEDERATION DES ECOLES TECHNIQUES, LAUSANNE, SUISSE, XP002549480 *

Also Published As

Publication number Publication date
WO2010146099A3 (fr) 2011-04-28
US20120176870A1 (en) 2012-07-12
CN102483606A (zh) 2012-05-30
WO2010146099A2 (fr) 2010-12-23
EP2443523A2 (de) 2012-04-25
US8622610B2 (en) 2014-01-07
CN102483606B (zh) 2015-01-07

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