EP1288743A1 - Kupplungsvorrichtung für eine Uhr - Google Patents

Kupplungsvorrichtung für eine Uhr Download PDF

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Publication number
EP1288743A1
EP1288743A1 EP01810841A EP01810841A EP1288743A1 EP 1288743 A1 EP1288743 A1 EP 1288743A1 EP 01810841 A EP01810841 A EP 01810841A EP 01810841 A EP01810841 A EP 01810841A EP 1288743 A1 EP1288743 A1 EP 1288743A1
Authority
EP
European Patent Office
Prior art keywords
mobile
chassis
shaft
wheel
positioning
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Withdrawn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
EP01810841A
Other languages
English (en)
French (fr)
Inventor
Joel Guibelin
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.)
Isa Swiss SA
Original Assignee
Isa Swiss 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 Isa Swiss SA filed Critical Isa Swiss SA
Priority to EP01810841A priority Critical patent/EP1288743A1/de
Priority to PCT/CH2002/000459 priority patent/WO2003021364A2/fr
Priority to CNA028168216A priority patent/CN1549956A/zh
Publication of EP1288743A1 publication Critical patent/EP1288743A1/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Withdrawn legal-status Critical Current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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G04B27/06—Mechanical devices for setting the time indicating means by making use of the winding means with rocking bar
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0823—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement
    • G04F7/0838—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement involving a tilting movement

Definitions

  • a clutch of this type is described in document EP 0 261 243. It ensures, in a quartz watch, an interruption of the kinematic link between a first mobile, minutes and carrying a hand, and a second mobile, kinematically connected to a motor, by tilting a third mobile arranged to mesh, or not, with the first and second mobile. In this way, it is no longer necessary to provide a friction allowing to drive the hand in rotation when setting the time, without doing turn the cog.
  • This clutch function is provided by the control member, which is moved by the time-setting rod. It has a hole in place of a bearing at third mobile. Thus, by pulling the rod, the control member moves the third mobile of the second, so that, when the rod is turned, the first mobile and, with it, the minute hand rotate, without act on the gear train leading to the engine.
  • the purpose of the present invention is to provide an even more solution simple than the one described above, and in which accuracy issues play a lesser role.
  • This goal is achieved thanks to the fact that the means of pivoting of the third mobile are, some rigidly associated with the chassis to ensure axial positioning and part of the radial positioning of the third mobile, the others formed by a lock, portion of the ordered. These provide the other part of the radial positioning when the third mobile is in the engagement position only. All is thus arranged so that, in the first position of the member, the third mobile is held in an engagement position with the first and second mobile and, in the second position, the third mobile can tilt so that it occupies a disengaging position from the second mobile, thus interrupting the kinematic link between the first and the second mobile.
  • the chassis further comprises, in the vicinity of the third mobile, positioning means cooperating with the lock. In this way, it is the chassis which defines the position of the bolt, thereby ensuring a precise radial positioning of the third mobile.
  • the chassis has a semi-cylindrical surface with an axis coincides with the axis of the third mobile in its engagement position. This surface cooperates with the tree.
  • the lock maintains radially the shaft in the semi-cylindrical surface when the organ is in position Clutch.
  • the third mobile and the control are arranged so that the first mobile generates on the third mobile a force comprising a component perpendicular to the latch and directed against it, so that when the control member goes from its first to its second position, this force causes the third mobile to move it from its engagement position to its disengaging position.
  • This is the rotation of the cog which ensures the disengagement of the third mobile, which makes the mechanism particularly simple.
  • the third mobile can provide both clutch and multiplication function.
  • it includes a tree provided with a pinion, which meshes with the wheel of the second mobile, and a wheel which meshes with the pinion of the first mobile.
  • control member comprises a elastically deformable finger in a direction comprising a axial component, with a movement in the direction of the wheel during change from the clutch position to the declutch position.
  • the whole is arranged in such a way that when the organ goes from the first to the second position, the finger cooperates with the wheel, to tilt the third mobile until interrupting the kinematic link between the first and the second mobile, the pinion is no longer engaged with the second mobile.
  • the third mobile comprises, in in addition, a ring associated with the wheel and connected to the latter by a portion substantially conical.
  • the organ comprises a finger arranged so that when moving from the first position of the organ to its second position, the finger cooperates with the conical portion of the ring to tilt the third mobile until the kinematic link is interrupted between the first and the second mobile, by disengaging the pinion with the second mobile.
  • the third mobile comprises, in addition, a plate connecting the wheel to the shaft and cooperating with the chassis to position axially the third mobile. In this way, part of the means of axial positioning are included in the thickness of the third mobile.
  • Such a device finds a particularly advantageous application for ensure a disengaging of the gear train during the time setting of the watch.
  • the first mobile is arranged so as to perform one revolution per hour. he is kinematically connected, in the second position of the correction member, to a cog of time setting.
  • the second mobile is kinematically connected to a motor. Everything is arranged so that, during the time setting, the kinematic link between the second mobile and the motor is disengaged from the first mobile.
  • Such a device can also find an application in a room of watchmaking equipped with a chronograph mechanism.
  • the third mobile ensures, in the engagement position, a kinematic connection between the cog ensuring the time display and the chronograph cog.
  • the devices represented in the drawing are portions of quartz clock movements, with display by hands, intended to equip watches. They comprise a train 10, connecting a motor to display means, these not being shown in the drawing, comprising a first mobile 12, making one revolution per hour and intended to carry a minute hand, a second mobile 14, coaxial with the first, making one revolution per minute and intended to carry a second hand, and a third mobile 16, of average, kinematically connecting the first 12 and second 14 mobile.
  • These mobiles include a shaft, a wheel and a pinion, respectively identified by the letters a , b and c .
  • This device comprises a chassis, in this case a plate 18 and a bridge 20, as well as a control member 22 pivotally mounted on a lug 24 of the plate 18 and intended to cooperate with the mobile 16, as will be explained further.
  • the plate 18 comprises, on its face opposite to that carrying the bridge 20, a groove 18a (figure2) and a tube 18b whose hole crosses the plate right through part, intended to receive the mobile 12 and, on the other face, a first recess 18c and a second recess 18d, adjoining recess 18c and deeper than the latter. It also includes an 18th century hollow, connecting the grooves 18a, 18c and 18d through the plate 18, and with two lips 18f adjoining the recess and formed by the wall connecting the cores 18a and 18b, on either side of the 18th hole. More specifically, the mobile 12 is housed in the recess 18a and pivotally mounted on the tube 18b, the shaft 12a being engaged on tube 18b.
  • the shaft 14a of the mobile 14 is pivotally mounted on the one hand inside the tube 18b, on the other hand in a hole 20a that includes the bridge 20.
  • the mobile 16 is disposed between the plate 18 and the bridge 20 and engaged in the recess 18th which forms an open side opening on the recess 18a.
  • Her wheel 16b permanently meshes with pinion 14c. Its pinion 16c meshes with the wheel 12b through the lateral opening, in the configuration shown in Figures 1a and 2a only.
  • the shaft 16a of the mobile 16 is pivotally mounted in a hole 20b of the bridge 20, at by means of a pivot 16d forming the end of the shaft 16a.
  • a second pivot 16th occupies the second end of the shaft 16a. He cooperates with the bottom of the 18th recess which forms a counter-pivot.
  • the mobile 16 is thus positioned axially and radially at one of its ends in the hole 20b and axially at the other end through the bottom of the 18th recess.
  • the mobile 16 is, in addition, positioned radially, towards the moving parts 12 and 14, by the wall semi-cylindrical vertical of the 18th hole, the cylinder axis being substantially coincident with that of the mobile 16 in the engagement position and, on the opposite side, by the member 22, as will be explained later.
  • the member 22 is formed of a board metal cut to define a first elastic arm ensuring a lock function 22a and which extends above the 18th recess, a second elastic arm providing a spring function 22b and pressing against a stud 25 secured to the plate 18, and a folding 22c engaged in the recess 18d. It is arranged on the plate 18, in its recess 18c.
  • a time-setting rod 26 is pivotally mounted and movable in translation in the plate 18, with reference to an axis inscribed in the thickness of the latter. It ends with a pivot 26a which opens into the drowning 18d.
  • the latch 22a bears against the lips 18f, its elasticity being sufficient to take into account the tolerances of positioning of the member 22 on the plate 18. It serves as a support for the shaft 18a, thus ensuring a part of the radial positioning of the mobile 16, so that that it is oriented parallel to the mobiles 12 and 14, that is to say in position meshing.
  • the mobile 16 kinematically connects the mobile 12 and 14 and, through them, the engine to the display means.
  • the user drives a timer train, not shown in the drawing, which connects the rod 26 to the pinion 12c.
  • the mobile 12 plays the role of mobile leading with reference to the mobile 16 and applies a torque to the pinion 16c, which generates a force of which a component F is perpendicular to the surface of the lock 22a and oriented against it ( Figure 1b).
  • This force moves the mobile 16 from its engagement position, the shaft 16a tilting relative to a fixed point formed by the pivot 16d engaged in the hole 20b.
  • the device is then in the position shown in Figures 1b and 2b.
  • the watch When setting the time, the watch is substantially horizontal, with the dial at the top. In this position, the pinion 16c tends to stay away from the mobile 12, so that there is little risk of entanglement.
  • FIGS. 3a and 3b show a variant of the device in FIGS. 1 and 2, in which the member 22 actively ensures the tilting of the mobile 16 during from the transition from its clutch position, shown in FIG. 3a, to its declutching position, shown in Figure 3b.
  • the member 22 is provided, attached to the latch 22a, arranged on the side opposite its work surface, a finger 22d formed by folding and which extends to the vicinity of the wheel 16b, and a slide 22e formed by folding of the end of the latch 22a, the slide forming an angle of about 30 ° relative to the plane of the organ 22.
  • the plate 18 has a corner 18g, having a substantially apex angle equal to 30 ° also, and on which the slide 22e is engaged. Otherwise, the arm carrying at its end the bolt 22a, the finger 22d and the slide 22e is armed, so that in the clutch position, the slide 22e is in support against the corner 18g, retaining the arm.
  • the axial positioning of the mobile 16 is also different of the solution shown in Figures 1 and 2.
  • the 18th recess crosses the platinum right through.
  • the mobile 16 does not have a pivot at its end platinum side. It is, on the other hand, provided with a plate 16f, connecting the shaft 16a to the wheel 16b and which has a conical portion, adjoining wheel 16b, and a flat portion, adjoining the tree 16a.
  • Figure 4 shows another variant of the device according to the invention, relating the means for tilting the mobile 16 during the passage of its engagement position to that of disengagement.
  • the member 22 also includes a finger 22d, but no slide, nor deformation of the arm carrying the finger 22d and the latch 22a.
  • the mobile 16 is provided with a ring 16g disposed on the side of the member 22 and extending axially in the thickness of the finger 22d, so that when the user pulls the rod 26, the finger 22d moves radially relative to the mobile 16 and meets the ring 16g, which causes the mobile 16 to tip over and moves the pinion 16c away from the mobile 12.
  • the plate 18 is provided an 18h annular groove in which the 16g ring is housed when the mobile 16 switches to disengaging position.
  • the tilting of the mobile 16 could also be controlled with a lock with two parallel arms, the second on the other side of the tree 16a, the latter thus being trapped between them. In this way, one of arms pushes the mobile 16 to tilt it when the member 22 passes from the clutch position to disengage position, the other brings the mobile 16 in vertical position when switching from the declutching position to the position Clutch.
  • the device as described relates to a time-setting mechanism. he goes of course that it can be used for other purposes, without going beyond the ambit of the invention. It could also be used to control the clutch and the declutching a chronograph train with a finishing train.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Mechanical Operated Clutches (AREA)
  • Electromechanical Clocks (AREA)
  • Gear Transmission (AREA)
EP01810841A 2001-08-30 2001-08-30 Kupplungsvorrichtung für eine Uhr Withdrawn EP1288743A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP01810841A EP1288743A1 (de) 2001-08-30 2001-08-30 Kupplungsvorrichtung für eine Uhr
PCT/CH2002/000459 WO2003021364A2 (fr) 2001-08-30 2002-08-23 Dispositif d'embrayage pour piece d'horlogerie
CNA028168216A CN1549956A (zh) 2001-08-30 2002-08-23 钟表用的离合装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01810841A EP1288743A1 (de) 2001-08-30 2001-08-30 Kupplungsvorrichtung für eine Uhr

Publications (1)

Publication Number Publication Date
EP1288743A1 true EP1288743A1 (de) 2003-03-05

Family

ID=8184116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01810841A Withdrawn EP1288743A1 (de) 2001-08-30 2001-08-30 Kupplungsvorrichtung für eine Uhr

Country Status (3)

Country Link
EP (1) EP1288743A1 (de)
CN (1) CN1549956A (de)
WO (1) WO2003021364A2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2957964A2 (de) 2014-06-19 2015-12-23 Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Kippkupplung für uhren
WO2019179824A1 (fr) * 2018-03-19 2019-09-26 Hublot Sa, Genève Chronographe pour pièce d'horlogerie

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100462874C (zh) * 2006-11-10 2009-02-18 林祥平 电子指针式手表的调时装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415277A (en) * 1981-04-01 1983-11-15 Gebruder Junghans Gmbh Time adjusting mechanism for an electronic wristwatch with a manual adjusting stem
EP0261243A1 (de) 1986-04-01 1988-03-30 Seiko Epson Corporation Uhrenkonstruktion

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415277A (en) * 1981-04-01 1983-11-15 Gebruder Junghans Gmbh Time adjusting mechanism for an electronic wristwatch with a manual adjusting stem
EP0261243A1 (de) 1986-04-01 1988-03-30 Seiko Epson Corporation Uhrenkonstruktion

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2957964A2 (de) 2014-06-19 2015-12-23 Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Kippkupplung für uhren
EP2957964A3 (de) * 2014-06-19 2016-06-08 Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Kippkupplung für uhren
WO2019179824A1 (fr) * 2018-03-19 2019-09-26 Hublot Sa, Genève Chronographe pour pièce d'horlogerie
CH714798A1 (fr) * 2018-03-19 2019-09-30 Hublot Sa Geneve Chronographe pour pièce d'horlogerie.
JP2021518538A (ja) * 2018-03-19 2021-08-02 ウブロ ソシエテ アノニム， ジュネーブＨｕｂｌｏｔ Ｓ．Ａ．， Ｇｅｎｅｖｅ 時計用クロノグラフ

Also Published As

Publication number Publication date
CN1549956A (zh) 2004-11-24
WO2003021364A2 (fr) 2003-03-13
WO2003021364A3 (fr) 2003-10-16

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