EP0918264A1 - Positionseinstellvorrichtung für eine auf einem Uhrwerkhemmungsanker montierte Palette - Google Patents

Positionseinstellvorrichtung für eine auf einem Uhrwerkhemmungsanker montierte Palette Download PDF

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Publication number
EP0918264A1
EP0918264A1 EP97203549A EP97203549A EP0918264A1 EP 0918264 A1 EP0918264 A1 EP 0918264A1 EP 97203549 A EP97203549 A EP 97203549A EP 97203549 A EP97203549 A EP 97203549A EP 0918264 A1 EP0918264 A1 EP 0918264A1
Authority
EP
European Patent Office
Prior art keywords
carriage
adjustment device
anchor
lever
frame
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.)
Granted
Application number
EP97203549A
Other languages
English (en)
French (fr)
Other versions
EP0918264B9 (de
EP0918264B1 (de
Inventor
Richard Vaucher
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.)
Bob Microtechnique Sarl
Original Assignee
Bob Microtechnique Sarl
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 Bob Microtechnique Sarl filed Critical Bob Microtechnique Sarl
Priority to DE1997613893 priority Critical patent/DE69713893T2/de
Priority to EP19970203549 priority patent/EP0918264B9/de
Publication of EP0918264A1 publication Critical patent/EP0918264A1/de
Application granted granted Critical
Publication of EP0918264B1 publication Critical patent/EP0918264B1/de
Publication of EP0918264B9 publication Critical patent/EP0918264B9/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/04—Devices for placing bearing jewels, bearing sleeves, or the like in position
    • G04D3/045—Devices for placing bearing jewels, bearing sleeves, or the like in position for lever, Impulse-pin
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/06—Measuring, counting, calibrating, testing or regulating apparatus for escapements

Definitions

  • the present invention relates to a device for adjusting the position of a lift mounted on an anchor an escapement from a watch movement for the purpose of adjustment of the penetration of the lift in the toothing of the escape wheel, and more particularly a device allowing adjustment with precision of the micron order of this penetration.
  • the escapement In watchmaking, we refer to the escapement as mechanism placed between the cogs of a movement and its regulator, for example the pendulum of the watch movement, this escapement having for function of maintaining the oscillations of the balance wheel.
  • the exhaust 1 comprises an escape wheel 2, a anchor 4, a large plate 6 carrying an ankle 8 and a small plate 10 provided with a notch 11, carried by the axis balance 12.
  • the anchor includes two lifts such that 14 cooperating with the wheel 2 and a rod 16 is ending with a fork 17 with three cooperating teeth with large and small plates 6 and 10 respectively.
  • These lifts 14 are each secured in a suitable housing 18 provided in the branches such as 19 of anchor 4 for example using a shellac (not shown).
  • Fork 17 includes two teeth external such as 20 which cooperate with the pin 8 while the inner tooth or stinger 22 cooperates with the small tray 10 and prevents accidental spillage of anchor 4 during the additional swing of the pendulum (not shown).
  • the movements of the anchor 4 are limited by pins or stops such as 24 on which the rod 16 abuts. In the rest position, the rod 16 presses on one of the two pins 24 of limitation.
  • a 2d tooth of the wheel exhaust 2 is pressed against one of the lifts 14 as shown in Figure 1.
  • the tooth inside 22 of the fork 17 is released from the notch 11 so that the pendulum is released and runs through its counterclockwise amplitude S until its energy is exhausted. The pendulum then resumes the direction schedule to clear the lift 14 of tooth 2d.
  • the anchor After the impulse given on lift 14 by tooth 2d, the anchor travels empty a short distance, called the lost path, until the rod 16 comes up against the pin 24. The pendulum then traverses its amplitude and returns until the pin 8 of the large plate 6 drives the fork 17 which triggers the pulse next.
  • This lost path is a way of ensuring that all the teeth of the escape wheel 2 can pass.
  • the length of this lost path is a function of the penetration P of the tooth of the escape wheel 2 on the rest plane 27 of the lift 14, this penetration should be both sufficient to avoid release accidental escape wheel 2, for example during shock, and low enough to guarantee freeing the teeth of the escape wheel 2 completely operating circumstance in order to get a exhaust 1 having optimal efficiency.
  • Animex established in Bienne, Switzerland, offers a device for adjusting this penetration P.
  • This device includes a setting on which the anchor finished is positioned and tightened. The laying is then place on an electric stove to bring the shellac for securing the lift on the anchor at its softening temperature, generally 90 ° C. The operator then acts on the lift by pushing it into a either way using a tip to bring the desired correction, the value of the correction having been previously determined by a measurement method appropriate. The movement of the lift generates the displacement of the key of a comparator which is in contact with the lift, and the setting value is controlled by the movement of a hand on the dial a comparator.
  • the main aim of the invention is therefore to remedy the disadvantages of the aforementioned prior art in providing a device for adjusting the position of a lift mounted on an anchor which is simple, precise, and which does not risk damaging the lifts, thus allowing facilitate optimization of exhaust efficiency, that is to say the increase in the amplitude of the organ regulator with which it is associated.
  • the invention relates to a device for adjusting the position of a lift mounted on an anchor for adjusting its penetration into the teeth of a escapement wheel of a watch movement, the device being characterized in that it comprises a frame fixed associated with a mobile carriage in translation according to a axis, means for controlling the movement of the carriage, means for measuring the movement of the carriage relative to the frame, means for fixing the anchor to the frame or the carriage and means for fixing the lift respectively on the carriage or the frame.
  • the device also comprises heating means, these heating means being preferably fixed on the built element or carriage carrying the anchor.
  • the means of anchor fixing are clamping means carried by the carriage and include a lever articulated on the carriage, the lever being locked in the clamping position at by means of a screw.
  • the adjustment device 30 comprises a fixed frame 32 associated with a carriage 34 movable in translation relative to to the frame 32 along an axis A.
  • the carriage 34 is associated with control means 36 which make it possible to control its translational movement in both directions possible along axis A.
  • the carriage 34 consists of a measuring table at a axis, actuated by a micrometric screw with control manual which forms the control means 36.
  • the table carries on its movable upper part a plate 37 and is fixed to the frame 32 by its lower part, for example using screws.
  • Such a measurement table is notably sold by OWIS under the reference MT 30.
  • control means 36 manual or automatic can be considered.
  • We will be able to in particular provide digital control means allowing the control of the movement of the table in function of a determined correction value entered via a keyboard.
  • the device 30 further comprises means for measure 38 to measure the displacement of the frame 32 relative to the carriage 34, fixing means 40 of the anchor 4 on a setting surface 42 of the carriage 34, and means 44 for fixing the lift 14 to the frame 32.
  • the laying surface 42 is formed by the upper surface of the plate 37
  • the measuring means 38 include a comparator analog 45 with measurement accuracy equal to micrometer. More specifically, the comparator 45 comprises a movable part 46 formed by a feeler touch which operates the hand moving above the dial graduated from comparator 45, and a fixed cylindrical part 48 secured to the comparator housing 45. The fixed part 48 extends in a bore 50 parallel to the axis A, formed in the frame 32. The bore 50 opens opposite a wall 52 of the carriage 34 with which the movable part 46 of comparator 45 is in direct contact at all times.
  • a such analog comparator 45 is sold by the company CARY in Le Locle, Switzerland, under the reference MC 8-2.
  • the fixing means 40 of the anchor 4 comprise, according to a preferred embodiment, a lever 54 articulated on the carriage 34 and associated with means of tightening 56.
  • the lever 54 is articulated at a distance from the laying surface 42 and includes a free end 58 intended to support the anchor 4 against the setting surface 42 in a clamping position of the fixing means 40.
  • the clamping means 56 comprise a cam 60 formed on the lever 54 and arranged between its articulation point and its end free 58.
  • This cam 60 which has the shape of a half-moon is actuated by an L-shaped arm 62 articulated by one of its branches 62a on the carriage 34.
  • a screw 64 crossing the free end of the other branch 62b is in contact at its end with the surface of the cam 60.
  • Cam 60 and actuator arm 62 are configured to so that when arm 62 reaches the highest point of the cam 60, the free end 58 of the lever 54 approaches of the laying surface 42.
  • the lever 54 comprises at its free end 58 a clamping fork 66 with two arms 66a, 66b which tighten respectively portions of the anchor 4 located on the side and on the other side of levee 14.
  • branch spacing 66a, 66b of the clamping fork 66 can be adjustable, for example using a screw engaged transversely in one of the branches, pushing the other end plugged. Such adjustment of this spacing would allow the device 30 to adapt to anchors 4 having lifts 14 of any width.
  • the point of articulation of the lever 54 on the carriage 34 is also adjustable transversely by relative to the direction of movement of said carriage 34, for example using a screw-nut system (not represented).
  • a screw-nut system not represented
  • the device 30 includes heating means 68.
  • these heating means 68 are intended for soften the means of securing - for example a shellac - levees 14 in their homes to facilitate their movements in the latter and therefore the penetration adjustment P.
  • the heating means 68 are fixed on the carriage 34 and include a body of heater 70 formed of an electrical resistance connected to a variable voltage source.
  • the body of heater 70 is located in a housing of the plate 37 provided for this purpose, this housing preferably being provided as close as possible to the laying surface 42 on which the anchor 4 is tightened.
  • Means may in particular be provided for heating by laser beam or infrared light.
  • the means 44 for fixing the lift 14 comprise a clamp 72 fixed on an upper surface 74 of the frame 32.
  • This surface 74 is substantially coplanar with the laying surface 42 and preferably comprises a clearance 75 in the area below the clamp 72.
  • the clamp 72 includes a fixed jaw 76 and a movable jaw 78.
  • the fixed jaw 76 comprises a surface clamping 80 which extends parallel to the axis of displacement A and is intended to act on one side lateral 14a of the lift 14, the movable jaw 78 acting on the opposite side face 14b of the lift 14.
  • the jaw 78 is movable in rotation in the plane of anchor 4 around an axis 82 and is controlled by a eccentric system 84.
  • the clamping force of the jaws 76 and 78 is given by spring means 86 which act on the movable jaw 78 and recall it towards its closed position represented for example on Figure 3.
  • spring means 86 which act on the movable jaw 78 and recall it towards its closed position represented for example on Figure 3.
  • Eccentric 84 which is controlled by a clamping lever 88, therefore only serves to act on the movable jaw 78 to open clamp 72.
  • the device for adjustment 30 is associated with optical means 90 of magnification for observation of levee 14.
  • the optical means 90 include a sliding mounted binocular microscope along a support column 92 embedded in a base 94 also carrying the device 30.
  • the carriage 34 is then moved by acting on the screw micrometric 36 to bring the comparator needle 38 next to a fixed mark such as the zero graduation.
  • the lever 54 is then locked in the folded position at using screw 64. If necessary, the spacing of the branches 66a, 66b of the clamping fork 66 aura previously adjusted to prevent these branches come into contact with levee 14.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Measuring And Other Instruments (AREA)
  • Clamps And Clips (AREA)
EP19970203549 1997-11-14 1997-11-14 Positionseinstellvorrichtung für eine auf einem Uhrwerkhemmungsanker montierte Palette Expired - Lifetime EP0918264B9 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE1997613893 DE69713893T2 (de) 1997-11-14 1997-11-14 Positionseinstellvorrichtung für eine auf einem Uhrwerkhemmungsanker montierte Palette
EP19970203549 EP0918264B9 (de) 1997-11-14 1997-11-14 Positionseinstellvorrichtung für eine auf einem Uhrwerkhemmungsanker montierte Palette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19970203549 EP0918264B9 (de) 1997-11-14 1997-11-14 Positionseinstellvorrichtung für eine auf einem Uhrwerkhemmungsanker montierte Palette

Publications (3)

Publication Number Publication Date
EP0918264A1 true EP0918264A1 (de) 1999-05-26
EP0918264B1 EP0918264B1 (de) 2002-07-10
EP0918264B9 EP0918264B9 (de) 2003-02-26

Family

ID=8228924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970203549 Expired - Lifetime EP0918264B9 (de) 1997-11-14 1997-11-14 Positionseinstellvorrichtung für eine auf einem Uhrwerkhemmungsanker montierte Palette

Country Status (2)

Country Link
EP (1) EP0918264B9 (de)
DE (1) DE69713893T2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1217471A1 (de) * 2000-12-13 2002-06-26 Eta SA Fabriques d'Ebauches Verfahren zum Einsetzen von Lagersteinen in einem Uhrwerkteil,sowie Vorrichtung zur Durchführung dieses Verfahrens
US7527425B2 (en) 2004-03-23 2009-05-05 Asulab S.A. Device and method for securing a pallet-stone to an escapement pallet of a timepiece movement
CN113448241A (zh) * 2020-03-27 2021-09-28 尼瓦罗克斯-法尔股份公司 钟表设置机械及设置方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH268000A (fr) * 1948-12-24 1950-04-30 Imer Arnold Appareil pour régler la position des levées des ancres d'échappement.
FR2263549A1 (en) * 1974-03-05 1975-10-03 Ebosa Sa Watch balance mechanism assembly system - uses pallet discs automatically placed in apertures in anchor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH268000A (fr) * 1948-12-24 1950-04-30 Imer Arnold Appareil pour régler la position des levées des ancres d'échappement.
FR2263549A1 (en) * 1974-03-05 1975-10-03 Ebosa Sa Watch balance mechanism assembly system - uses pallet discs automatically placed in apertures in anchor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1217471A1 (de) * 2000-12-13 2002-06-26 Eta SA Fabriques d'Ebauches Verfahren zum Einsetzen von Lagersteinen in einem Uhrwerkteil,sowie Vorrichtung zur Durchführung dieses Verfahrens
US6698918B2 (en) 2000-12-13 2004-03-02 Eta Sa Fabriques D'ebauches Method for fixing jewels in a watch movement part and device for implementing the same
US7527425B2 (en) 2004-03-23 2009-05-05 Asulab S.A. Device and method for securing a pallet-stone to an escapement pallet of a timepiece movement
CN113448241A (zh) * 2020-03-27 2021-09-28 尼瓦罗克斯-法尔股份公司 钟表设置机械及设置方法
CN113448241B (zh) * 2020-03-27 2023-01-06 尼瓦罗克斯-法尔股份公司 钟表设置机械及设置方法

Also Published As

Publication number Publication date
EP0918264B9 (de) 2003-02-26
DE69713893T2 (de) 2003-03-13
DE69713893D1 (de) 2002-08-14
EP0918264B1 (de) 2002-07-10

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