EP1430367B1 - Chronographen-mechanismus - Google Patents

Chronographen-mechanismus Download PDF

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Publication number
EP1430367B1
EP1430367B1 EP02758029A EP02758029A EP1430367B1 EP 1430367 B1 EP1430367 B1 EP 1430367B1 EP 02758029 A EP02758029 A EP 02758029A EP 02758029 A EP02758029 A EP 02758029A EP 1430367 B1 EP1430367 B1 EP 1430367B1
Authority
EP
European Patent Office
Prior art keywords
wheel
coupling
lever
clutch
chronograph
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.)
Expired - Lifetime
Application number
EP02758029A
Other languages
English (en)
French (fr)
Other versions
EP1430367A2 (de
Inventor
Johnny Girardin
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.)
Girard Perregaux SA
Original Assignee
Girard Perregaux 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 Girard Perregaux SA filed Critical Girard Perregaux SA
Priority to EP02758029A priority Critical patent/EP1430367B1/de
Publication of EP1430367A2 publication Critical patent/EP1430367A2/de
Application granted granted Critical
Publication of EP1430367B1 publication Critical patent/EP1430367B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/002—Component shock protection arrangements
    • 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
    • G04F7/0828—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement acting in the plane of the movement

Definitions

  • cam is a column wheel.
  • the end of the rocker is provided with a nose forming a stop and which, in cooperation with the columns of the column wheel, depending on whether it is facing a vacuum or that it is based on a solid of the column wheel, defines the first and second positions, under the effect of the rocker spring.
  • the mechanism is characterized in that the control lever comprises a latch and the clutch member is provided with a crampon cooperating with the latch when the clutch wheel occupies its first position, all so that the rocker is prevented from moving under the effect of a shock when the clutch wheel is engaged with the chronograph wheel.
  • control member comprises a hook secured to the control lever and a stopper nose arranged to cooperate respectively with the ratchet and with the columns of the column wheel.
  • the hook is arranged in such a way that the latch has released the crampon before a column cooperates with the nose.
  • control lever, the ratchet, the latch and the crampon are arranged so that, when the clutch wheel is in its first position, the lever control cooperates with the rocker via the lock which is in abutment against the crampon.
  • the chronograph mechanism according to the invention is further characterized in that the sum of the thicknesses of the latch and the crampon is less than or equal to the length of the arc described by the end of the clutch rocker between the positions that it occupies when the clutch wheel is in its first or second position.
  • the finishing gear wheel rotates continuously and actuates the clutch wheel 14 by the drive wheel 12.
  • the wheel 14 is or not engaged with the mobile 22 as it occupies its first or second position .
  • the chronograph is in operation, while it is off in the position shown on the figure 2 .
  • the rocker 16 pivots at its end opposite to that having the nose 18 on an eccentric integral with the plate 10, not shown because being outside the scope of the drawing.
  • the latch 16 is subjected to a positioning torque by a rocker spring also disposed outside the field of the drawing. In the position shown in figure 1 it bears against an eccentric 31, the nose 18 being engaged between two columns 40.
  • the control lever 26 pivots on a post, and is held in place by a screw 32 fixed in a threaded hole in the post.
  • One of its ends carries, pivotally mounted, the control hook 28, while the other end is arranged, conventionally, to cooperate with the push button control. This possible pivoting of the hook 28, combined with the pressure of the spring hook 30, maintaining in a position to cooperate with the column wheel 24.
  • the control lever 26 carries a pin 33.
  • an arm 34 is fixed on the upper face of the control lever 26 by means of a screw 35 engaged in a hole made in its middle part.
  • a screw 35 engaged in a hole made in its middle part.
  • One of its ends is provided with a lock 36 arranged to cooperate with the crampon 20.
  • the other end forms a stop 37, which bears against the pin 33.
  • the column wheel 24 is manufactured in one piece and consists of a Breguet toothing forming a ratchet 38 and columns 40 arranged perpendicularly and concentrically to the toothing, the angular pitch of the columns being twice that of the Breguet toothing. . It is positioned by the jumper spring 25 engaged on the Breguet toothing of the ratchet 38. It governs the interaction between the control and clutch devices.
  • the nose 18 of the rocker is engaged in one of the spaces between the columns 40.
  • the clutch wheel 14 is, thus, in its first position and drives the chronograph mobile 22.
  • the lock 36 spans the The length of the arm 26, as well as the shape of the crampon 20 and the lock 36 are chosen so that the arm 34 comes to bear on the rocker 16 via the blanks of the crampon 20 and the lock 36
  • the arm 34 being secured to the control lever 26, which is positioned by the spring 30, it follows that the latch 36 and the crampon 20 are in intimate contact with each other and block the latch 16 in its position. where the wheel 14 is engaged with the wheel 22, even if a shock tends to move it.
  • control hook 28 and the ratchet 38 do not coincide exactly, the parts having a clearance of two together. More specifically, the control lever 26 must pivot by an angle ⁇ 1 so that the hook 28 travels the lost path existing between it and the ratchet 38, then an angle ⁇ 2 so that the column wheel 24 rotates until a column, identified by the letter a , comes into contact with the nose 18. To ensure optimal operation, it is necessary that the rocker 16 is set in motion after the latch 36 has released the crampon 20.
  • the mechanism thus described operates as follows. Pressing the pushbutton rotates the lever 26 clockwise and, with it, the arm 34 and the control hook 28. In a first step, the hook 28 takes the set of the lost path, then it drives the column wheel 24 until the column 40a comes into contact with the nose 18, lever 26 thus traversing the angle ⁇ . During this time the latch 36, part of the arm 34, rises and deviates from the crampon 20, thus freeing the movement of the clutch lever 16.
  • the column 40a in contact with the nose 18, raises it, thereby pivoting the clutch rocker 16 so that the clutch wheel 14 disengages from the chronograph mobile 22.
  • the column 40a thus acts on the nose 18 of the clutch rocker 16 to rotate it in the space left free by the lock 36.
  • the lever 26 has reached the end of its stroke, that is to say when the control hook 28 has driven the column wheel 22 with a pitch of the Breguet toothing, the column wheel 24 is in a position such that the column 40a holds the rocker 16 so that the wheel 14 is disengaged from the wheel 22.
  • the lever first takes the set of the lost path and then drives the wheel with columns 24 of a step of the Breguet toothing, so that the nose 18 leaves the support of the column 40a and falls in the space between two columns.
  • the lever 26 is in a position such that the lock 36 is outside the space traveled by the crampon 20.
  • the clutch rocker 16 can rotate freely until it meets the eccentric 31, the nose 18 is thus again engaged between two columns 40.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Claims (7)

  1. Chronographenmechanismus des Typs, aufweisen
    - ein Chronographenräderwerk (22), das dazu bestimmt ist, mindestens einen Zeiger zum Anzeigen einer gemessenen Zeit zu tragen,
    - ein Uhrenräderwerk,
    - ein Kupplungsrad (14), das imstande ist, zwei Stellungen einzunehmen und dazu bestimmt, das Chronographenräderwerk mit dem Uhrenräderwerk in einer dieser Stellungen zu verbinden,
    - ein Kupplungsorgan (16), das dazu bestimmt ist, die Verschiebung des Kupplungsrads zwischen seiner ersten Stellung, in welcher der Mechanismus in Funktion ist, und seiner zweiten Stellung, in welcher der Mechanismus außer Funktion ist, zu gewährleisten,
    - eine Kurvenscheibe (24), die dazu bestimmt ist, mit dem Kupplungsorgan (16) zusammenzuarbeiten, um die erste und zweite Position des Kupplungsrads (14) zu definieren,
    - einen Steuerhebel (26), der mit einem Steuerorgan (28) ausgestattet ist, das auf die Kurvenscheibe (24) einwirkt und durch sie auf das Kupplungsorgan (16), um das Kupplungsrad von der einen in die andere Stellung wechseln zu lassen,
    dadurch gekennzeichnet, dass der besagte Hebel (26) einen Riegel (36) aufweist und das Kupplungsorgan (16) mit einem Sporn (20) ausgestattet ist, der mit dem besagten Riegel zusammenarbeitet, wenn das Kupplungsrad (14) seine erste Stellung einnimmt, insgesamt derart, dass das Kupplungsorgan (16) daran gehindert wird, sich unter der Wirkung eines Aufpralls zu verschieben, wenn das Kupplungsrad mit dem Chronographenräderwerk im Eingriff ist.
  2. Mechanismus nach Anspruch 1, dadurch gekennzeichnet, dass das besagte Kupplungsorgan von einer mit einem Anschlag (18) ausgestatteten Wippe (16) gebildet wird und derart aufgebaut ist, um mit der besagten Kurvenscheibe (24) zusammenzuwirken, um die Verschiebung des Kupplungsrads von der einen in die andere der besagten Stellungen zu steuern.
  3. Mechanismus nach Anspruch 3, dadurch gekennzeichnet, dass die Kurvenscheibe (24) ein Säulenrad ist, das aufweist:
    - eine Breguetzahnung, die ein Sperrrad (38) bildet, und
    - senkrecht und konzentrisch zur Zahnung angeordnete Säulen (40),
    und dadurch, dass das besagte Steuerorgan ein Haken (28) ist, der mit dem Sperrrad (38) zusammenarbeitet.
  4. Mechanismus nach Anspruch 3, dadurch gekennzeichnet, dass der Anschlag von einer Nase (18) gebildet wird, die aufgebaut ist, um mit den Säulen (40) des Säulenrads (24) zusammenzuarbeiten.
  5. Mechanismus nach Anspruch 4, dadurch gekennzeichnet, dass der Haken (28) derart angeordnet ist, dass eine Säule (40) erst dann mit der besagten Nase (18) zusammenarbeitet, nachdem der Riegel (36) den Sporn (20) freigegeben hat.
  6. Mechanismus nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass der Steuerhebel (26) und die Wippe (16) derart aufgebaut sind, dass, wenn das besagte Kupplungsrad (14) in seiner ersten Stellung ist, der Steuerhebel (26) mit der Wippe (16) über den Riegel (36) zusammenarbeitet, der sich gegen den Sporn (20) abstützt.
  7. Mechanismus nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass die Summe der Dicken des Riegels (36) und des Sporns (20) kleiner oder gleich ist der Länge des Bogens, der von dem Ende der Kupplungswippe (16) zwischen den Stellungen beschrieben wird, die sie einnimmt, wenn sich das Kupplungsrad in seiner ersten oder zweiten Stellung befindet.
EP02758029A 2001-09-24 2002-09-06 Chronographen-mechanismus Expired - Lifetime EP1430367B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02758029A EP1430367B1 (de) 2001-09-24 2002-09-06 Chronographen-mechanismus

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP01810930A EP1296205A1 (de) 2001-09-24 2001-09-24 Chronographmechanismus
EP01810930 2001-09-24
EP02758029A EP1430367B1 (de) 2001-09-24 2002-09-06 Chronographen-mechanismus
PCT/CH2002/000487 WO2003027778A2 (fr) 2001-09-24 2002-09-06 Mecanisme de chronographe

Publications (2)

Publication Number Publication Date
EP1430367A2 EP1430367A2 (de) 2004-06-23
EP1430367B1 true EP1430367B1 (de) 2008-04-23

Family

ID=8184155

Family Applications (2)

Application Number Title Priority Date Filing Date
EP01810930A Withdrawn EP1296205A1 (de) 2001-09-24 2001-09-24 Chronographmechanismus
EP02758029A Expired - Lifetime EP1430367B1 (de) 2001-09-24 2002-09-06 Chronographen-mechanismus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP01810930A Withdrawn EP1296205A1 (de) 2001-09-24 2001-09-24 Chronographmechanismus

Country Status (5)

Country Link
US (1) US6926438B2 (de)
EP (2) EP1296205A1 (de)
JP (1) JP4235106B2 (de)
DE (1) DE60226256T2 (de)
WO (1) WO2003027778A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10496039B2 (en) 2014-05-15 2019-12-03 Patek Philippe Sa Geneve Device for a timepiece

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002077721A1 (fr) * 2001-03-21 2002-10-03 Glashütter Uhrenbetrieb GmbH Dispositif de reglage d'un indicateur horaire
JP2004294278A (ja) * 2003-03-27 2004-10-21 Seiko Instruments Inc クロノグラフユニットに配置されたクロノグラフ輪列を含むクロノグラフ時計
US7597471B2 (en) * 2005-11-24 2009-10-06 Vaucher Manufacture Fleurier S.A. Time piece chronograph clockwork movement
CH703809B1 (fr) * 2007-01-22 2012-03-30 Patek Philippe Sa Geneve Mécanisme de chronographe à roue à colonne et pièce d'horlogerie munie d'un tel mécanisme.
EP2602675B1 (de) * 2011-12-08 2014-08-27 ETA SA Manufacture Horlogère Suisse Uhrwerk umfassend einen Chronographenmechanismus mit Säulenrad
EP4280002A1 (de) * 2022-05-17 2023-11-22 Montres Breguet S.A. Chronographenmodul mit einem abnehmbaren rad

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH228246A (fr) * 1942-11-03 1943-08-15 Longines Montres Comp D Mouvement de montre à chronographe-compteur, heures et minutes.
CH544963A (fr) * 1971-03-10 1973-05-30 Ebauches Bettlach Sa Compteur à roue à colonnes
GB1405101A (en) * 1971-08-20 1975-09-03 Smiths Industries Ltd Reset mechanisms for use in stopwatches
CH500273A4 (de) * 1973-04-06 1975-05-30
GB2266791A (en) * 1992-05-08 1993-11-10 George Daniels Improvements relaating to chronographs
CH690524A5 (fr) * 1995-10-31 2000-09-29 Rolex Montres Pièce d'horlogerie à mécanisme de chronographe.
JP3568763B2 (ja) * 1997-12-22 2004-09-22 セイコーインスツルメンツ株式会社 発停レバー及びクロノグラフ受を備えたクロノグラフ時計
DE19852347C2 (de) * 1998-11-13 2001-02-08 Lange Uhren Gmbh Minutenzähler einer Uhr
CH696713A5 (fr) * 1999-01-28 2007-10-15 Patek Philippe Sa Chronographe mécanique.
DE60139155D1 (de) * 2001-03-21 2009-08-13 Glashuetter Uhrenbetrieb Gmbh Chronograph mit zwei drehrichtungen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10496039B2 (en) 2014-05-15 2019-12-03 Patek Philippe Sa Geneve Device for a timepiece

Also Published As

Publication number Publication date
JP4235106B2 (ja) 2009-03-11
WO2003027778A2 (fr) 2003-04-03
US6926438B2 (en) 2005-08-09
US20040246820A1 (en) 2004-12-09
EP1296205A1 (de) 2003-03-26
EP1430367A2 (de) 2004-06-23
DE60226256D1 (de) 2008-06-05
WO2003027778A3 (fr) 2003-07-10
JP2005504299A (ja) 2005-02-10
DE60226256T2 (de) 2009-05-07

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