EP2339414B1 - Chronograph mit einem einzigen Drücker - Google Patents

Chronograph mit einem einzigen Drücker Download PDF

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Publication number
EP2339414B1
EP2339414B1 EP09180455A EP09180455A EP2339414B1 EP 2339414 B1 EP2339414 B1 EP 2339414B1 EP 09180455 A EP09180455 A EP 09180455A EP 09180455 A EP09180455 A EP 09180455A EP 2339414 B1 EP2339414 B1 EP 2339414B1
Authority
EP
European Patent Office
Prior art keywords
shuttle
chronograph
angular
finger
elastic member
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
EP09180455A
Other languages
English (en)
French (fr)
Other versions
EP2339414A1 (de
Inventor
Werner Haenzi
Jean-Luc Helfer
Antonio Merino
Patrick Möller
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
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP09180455A priority Critical patent/EP2339414B1/de
Priority to JP2010284121A priority patent/JP5237354B2/ja
Priority to CN2010106203266A priority patent/CN102103361B/zh
Priority to US12/976,052 priority patent/US8337075B2/en
Publication of EP2339414A1 publication Critical patent/EP2339414A1/de
Priority to HK11113798.4A priority patent/HK1159263A1/xx
Application granted granted Critical
Publication of EP2339414B1 publication Critical patent/EP2339414B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G04F7/0814—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with double hammer, i.e. one hammer acts on two counters
    • 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
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0852—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with member having a rotational two-way movement, e.g. navette
    • 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
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0857—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with single push-button or actuation member for start-stop and reset

Definitions

  • the present invention relates to the field of watchmaking. More specifically, it relates to a single shuttle push chronograph for executing the functions 'start', 'stop' and 'reset' with the same push button.
  • chronographs are already known to those skilled in the art. One of them is described in the document WO 2008/075147 . It is a chronograph comprising a chronograph wheel, clutch means, reset means and a control device of the clutch and reset means.
  • the control device comprises a pivotally mounted shuttle, of which a first angular sector is provided with three notches defining three stable angular positions respectively corresponding to the functions of 'reset', 'start', 'stop', and an elastic member cooperating with said notches for holding the shuttle in one of said positions.
  • the control device further comprises a pusher provided with an articulated finger with two spouts, cooperating with a series of cutouts formed in a second angular sector of the shuttle, so as to pass the shuttle, by successive pressures, the position delivered to zero at the start position, from the start position to the stop position, then from the stop position to the reset position, and so on.
  • the complex shape of the cutouts and the two spouts is studied so that depending on the initial angular position of the shuttle, a first spout causes it to pivot, in one direction or another, while the second spout blocks the movement of pivoting at the end of the race.
  • the two spouts alternately exert the thrust and blocking function when the user exerts successive pressure on the pusher.
  • the complete cycle of three-way operation time of the single-pusher chronograph thus described is performed in three pressures.
  • the present invention offers an alternative to the operating mode of the chronograph described in the documents of the prior art mentioned above, by proposing a single-pusher chronograph performing a complete cycle of operation in two pressures. More specifically, the invention relates to a chronograph defined by claim 1 of the patent. Thanks to the inclined face located between the notches defining the two stable positions of the shuttle, the third position is reached when the pusher is pressed a second time, and the first position is reached when the pusher is released after the second pressure.
  • the chronograph operation cycle is typically a three-cycle cycle, but two pressures are enough to complete it.
  • the single-pusher chronograph represented in figure 1 in the reset position conventionally comprises a chronograph wheel 1, carrying a chronograph seconds hand and a chronograph minute hand not shown, and clutch means 2 of the chronograph train 1, intended to put said gear Chronograph 1 in cinematic link with a finishing gear. It further comprises reset means 3 seconds and minutes hands, and a control device 4 clutch means 2 and reset means 3.
  • the clutch means 2 are formed, in a known manner, of a clutch gear 5 mounted on a clutch rocker 6, which is movable between a 'departure' position, in which the pinion 5 is in contact with the chronograph 1 and finishing workings, and a 'stop' position, in which the pinion 5 is disengaged from the chronograph train.
  • the resetting means 3 conventionally comprise a hammer 7 acting on hearts 8 and 9 in rotation with the seconds and minutes hands.
  • the control device 4 comprises a shuttle 10 pivotally mounted about an axis XX, a jumper 11 cooperating with said shuttle 10 to position it angularly, and a pusher 12 for actuating the shuttle 10 in pivoting. It further comprises a clutch cam 13 and a reset cam 14, pivotally mounted integrally with the shuttle 10, and cooperating respectively with the clutch rocker 6 and the hammer 7 to activate, in a manner that known, the 'start', 'stop' and 'reset' functions of the chronograph, depending on the angular position of the shuttle 10.
  • the shuttle 10 comprises a first angular sector 20 comprising two notches 20a and 20b respectively defining a stable first angular position A corresponding to the 'reset' function and a second stable angular position B corresponding to the 'departure' function. .
  • the jumper 11 cooperates with the notches 20a and 20b to maintain the shuttle 10 in one or other of the stable angular positions A and B.
  • the first angular sector 20 further comprises an inclined face 20c, located between the notches 20a and 20b, defining a third angular position C unstable, corresponding to the 'stop' function of the chronograph.
  • inclined face is meant a non-perpendicular face to the radius at the point considered. The inclination of the face 20c is fixed so that the jumper 11 causes the shuttle 10 to pivot towards the angular position A when it bears on said face 20c.
  • the shuttle 10 comprises a second angular sector 30 comprising cutouts of complex shapes.
  • the angular sector 30 comprises, in the counterclockwise direction, a first L-shaped cutout 31, and then a small recess 32 comprising a substantially radial flank 32a. he then comprises a notch 33, and finally a second cut 34 in the shape of an L.
  • the small setback 32 is more accentuated so as to form a third cutout 35 with an L-shaped profile. We will come back to the profile of this third cutout 35 and its function, with regard to the figure 7 .
  • the small recess 32 is replaced by a notch 36, whose function will be explained in relation to the figure 9 .
  • the pusher 12 is formed of an arm 40, pivotally mounted, provided with a finger 41, mounted free to rotate at its end about an axis YY.
  • the finger 41 is terminated by first and second spouts respectively 42, 43, cooperating with the L-shaped cutouts 31, 34, 35, the notches 33, 36 and the recess 32, to rotate the shuttle 10 or block it in the three angular positions A, B and C.
  • An elastic member 44 mounted on the arm 40, bears on the rear face of the finger 41 to position it substantially radially relative to the axis XX of the shuttle 10.
  • a stop 45 is mounted near the finger 41 so as to limit its amplitude of rotation, as will be described later.
  • the single-push chronograph according to the invention is represented in the 'reset' position in figure 2 .
  • the chronograph wheel 1 is at a standstill, and the chronograph hands point to the indication '0'.
  • the shuttle 10 is positioned in first stable angular position A, by the jumper 11 which cooperates with the notch 20a of the sector angular 20.
  • the pusher 12 is released, the first spout 42 being positioned in the first L-shaped cutout 31.
  • the pusher 12 is depressed under the action of a first pressure of the user.
  • the pusher 12 rotates the shuttle 10 in a clockwise direction, via the first spout 42 which pushes into the angle of the first L-shaped cutout 31.
  • the pivoting of the shuttle 10 combined with that of the 12 and the finger 41, allows the second spout 43 to engage in the notch 33.
  • the second spout 43 blocks the pivoting movement of the shuttle 10, which is then in position angular B corresponding to the 'start' function of the chronograph.
  • the clutch cam 13 acts on the clutch rocker 6 to start the chronograph.
  • the pusher 12 is then released by the user and the shuttle 10 is held in the angular position B by the jumper 11 which cooperates with the notch 20b of the angular sector 20.
  • the chronograph wheel 1 rotates, causing the chronograph hands to rotate.
  • the first spout 42 is no longer positioned in the first L-shaped cutout 31, but that the second spout 43 is now positioned in the vicinity of the second L-shaped cutout 34.
  • the pusher 12 is again pressed under the action of a second pressure of the user.
  • the pusher 12 this time pivoting the shuttle 10 in the counterclockwise direction, through the second spout 43 which pushes into the corner of the second L-shaped cut 34.
  • the shuttle 10 pivots until the finger 41 comes into contact with the abutment 45, the first spout 42 then being engaged in the recess 32.
  • the radial flank 32a of the recess 32 then abuts on the first spout 42 of the finger 41, itself bearing against the stop 45.
  • the pivoting movement of the shuttle is thus stopped in position angular C, corresponding to the 'stop' function of the chronograph.
  • the jumper 11 bears on the face 20c of the angular sector 20 and its action tends to rotate the shuttle 10 beyond the angular position C, to the stable angular position A.
  • the action of the jumper 11 is countered by that of the abutment 45, which opposes the pivoting of the shuttle 10 beyond the angular position C, by Via the finger 41.
  • the clutch cam 13 acts on the clutch rocker 6 to stop the chronograph.
  • the chronograph wheel 1 is stopped, as well as the chronograph hands.
  • the pusher 12 is then released a second time as shown in FIG. figure 6 .
  • the jumper 11 bearing on the face 20c of the angular sector 20, tends to rotate the shuttle 10 in the counterclockwise direction, and the stop 45 no longer opposes this movement, the finger 41 being cleared.
  • the angular position C is then unstable, and the action of the jumper 11 rotates the shuttle 10 to the stable angular position A, in which the jumper 11 cooperates with the notch 20a.
  • the reset cam 14 actuates the hammer 7 which acts on the hearts 8 and 9.
  • the chronograph hands again point to the indication '0'.
  • a cycle of operation of the chronograph is completed. It will be noted that the cycle of operation of the chronograph thus described is a conventional three-stroke cycle, namely 'start', 'stop' and 'reset', carried out in two pressures.
  • FIG 7 represents a second embodiment of the single-pusher chronograph according to the invention in the 'off' position.
  • the third cut 35 replaces the recess 32 and the stop 45 is absent.
  • the second spout 43 is pushed into the corner of the second L-shaped cutout 34, which causes the shuttle 10 to pivot in the counterclockwise direction.
  • This pivoting movement is stopped when the first nozzle 42 engages in the third L-shaped cutout 35 and is housed in the corner of this cut.
  • the first nozzle 42 exerts on the shuttle 10, a moment directed in the clockwise direction, which opposes the moment exerted by the jumper 11 in the counterclockwise direction.
  • the shuttle 10 is then locked in the unstable angular position C, and remains there as long as the user keeps the pusher 12 depressed. It will be noted that a geometric condition must be fulfilled so that the moments respectively of the first spout 42 and the jumper 11 are canceled. If we write P, the point of contact of the first spout 42 with the angle of the third cutout 35, the angle a, formed between the axis XX, the point P and the axis YY, must be less than 180 degrees. . In this condition, the respective moments of the first spout 42 and the jumper 11 are exerted in opposite directions.
  • FIG. figure 8 A third embodiment of the single-pusher chronograph according to the invention is illustrated in FIG. figure 8 , in the 'off' position.
  • the abutment 45 is absent, and the elastic member 44 is dimensioned so as to exert on the finger 41, in angular position C, a moment greater than the moment exerted by the jumper 11, via the 10.
  • the second spout 43 causes, as previously, the shuttle 10 pivoting, until the first spout 42 engages in the recess 32.
  • the shuttle 10 is then in angular position C unstable, and the jumper 11 tends to rotate beyond this position, to the angular position A.
  • this third embodiment of the single-pusher chronograph according to the invention is, moreover, identical to that described with regard to Figures 2 to 6 .
  • the elastic member 44 may also be preformed, rather than sized, to exert on the finger 41, in the angular position C, a moment greater than the moment exerted by the jumper 11.
  • FIG 9 represents a fourth embodiment of the single-pusher chronograph according to the invention in the 'off' position.
  • the notch 36 replaces the recess 32 and the stop 45 is absent.
  • the second spout 43 is pushed into the corner of the second L-shaped cutout 34, which causes the shuttle 10 to pivot in the counterclockwise direction.
  • the pivoting of the shuttle 10 combined with that of the pusher 12 and the finger 41, allows the first spout 42 to engage in the notch 36.
  • this fourth embodiment of the single-pusher chronograph according to the invention is, for the rest, identical to that described with regard to the Figures 2 to 6 .

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

Claims (8)

  1. Chronograph, der ein Chronographenräderwerk (1), Mittel (2) zum Kuppeln dieses Räderwerks (1) und eine Vorrichtung (4) zum Steuern der Kupplungsmittel (2) umfasst, wobei diese Vorrichtung folgende Elemente umfasst:
    - ein schwenkbar um eine Achse (XX) montiertes Schiffchen (10), wovon ein erster Winkelsektor (20) mit zwei Kerben (20a, 20b) ausgerüstet ist, die eine erste und eine zweite stabile Wickelposition (A, B) definieren, und wovon ein zweiter Winkelsektor (30) Ausschnitte (31, 32, 33, 34, 35, 36) umfasst,
    - ein elastisches Organ (11), das mit den Kerben (20a, 20b) zusammenwirkt, um das Schiffchen (10) in einer der stabilen Positionen (A, B) zu halten, und
    - einen Drücker (12), der derart beschaffen ist, dass er mit den Ausschnitten (31, 32, 33, 34, 35, 36) zusammenwirkt, um das Schiffchen (10) dank eines ersten Drückens aus der ersten stabilen Position (A) in die zweite stabile Position (B) und dank eines zweiten Drückens aus der zweiten stabilen Position (B) in eine dritte Zwischenwinkelposition (C) schwenken zu lassen,
    dadurch gekennzeichnet, dass die dritte Zwischenposition (C) instabil ist und auf dem ersten Winkelsektor (20) des Schiffchens (10) durch eine zwischen den Kerben (20a, 20b) liegende geneigte Fläche (20c) definiert ist, wobei diese geneigte Fläche (20c) derart beschaffen ist, dass die Wirkung des elastischen Organs (11) das Schiffchen (10) aus der dritten Position (C) in die erste stabile Position (A) schwenken lässt, wenn der Drücker (12) nach dem zweiten Drücken freigegeben wird, und dass die Vorrichtung (4) zum Steuern der Kupplungsmittel (2) noch Mittel (32a, 35, 36, 41, 45, 44) zum Blockieren des Schiffchens (10) in der dritten instabilen Position (C) umfasst, wenn der Drücker (12) eingedrückt ist.
  2. Chronograph nach Anspruch 1, dadurch gekennzeichnet, dass der Drücker (12) von einem drehbar montierten Arm (40) gebildet ist, der mit einem frei drehbar um eine Achse (YY) auf dem Arm (40) montierten Finger (41) ausgerüstet ist, der in einem ersten und einem zweiten Schnabel (42, 43) endet, die derart beschaffen sind, dass sie mit den Ausschnitten (31, 32, 33, 34, 35) zusammenwirken, um das Schiffchen (10) schwenken zu lassen oder es in den drei Winkelpositionen (A, B, C) zu blockieren.
  3. Chronograph nach Anspruch 2, dadurch gekennzeichnet, dass die Blockierungsmittel einen nahe beim Finger (41) montierten Anschlag (45) und einen im zweiten Winkelsektor (30) ausgebildeten Absatz (32), der eine merklich radiale Flanke (32a) aufweist, umfassen, wobei der Anschlag (45) und der Absatz (32) derart beschaffen sind, dass sich die radiale Flanke (32a) gegen den ersten Schnabel (42) anlegt, wenn das Schiffchen (10) in der dritten instabilen Position (C) ist, wobei sich der Finger (41) dann gegen den Anschlag (45) lehnt.
  4. Chronograph nach Anspruch 2, dadurch gekennzeichnet, dass die Blockierungsmittel einen L-förmigen Ausschnitt (35) umfassen, der derart beschaffen ist, dass der erste Schnabel (42) dann, wenn das elastische Organ (11) auf das Schiffchen (10) einwirkt, um es aus der dritten Winkelposition (C) in die erste Winkelposition (A) schwenken zu lassen, mit dem L-förmigen Ausschnitt (35) zusammenarbeitet, um der Wirkung des elastischen Organs (11) entgegenzutreten und das Schiffchen (10) in der dritten Winkelposition (C) zu blockieren.
  5. Chronograph nach Anspruch 4, dadurch gekennzeichnet, dass der Winkel α, der zwischen der Schwenkachse (XX) des Schiffchens (10), dem Punkt P, der die Kontaktstelle des ersten Schnabels (42) mit dem Winkel des L-förmigen Ausschnitts (35) darstellt, und der Drehachse (YY) des Fingers (41) gebildet ist, kleiner ist als 180 Grad.
  6. Chronograph nach Anspruch 2, dadurch gekennzeichnet, dass der Arm (40) noch ein elastisches Organ (44) umfasst, das auf den Finger (41) einwirkt und derart bemessen ist, dass es mittels des Schiffchens (10) auf den Finger (41) in der dritten Winkelposition (C) ein Moment ausübt, das grösser ist als das durch das elastische Organ (11) ausgeübte Moment.
  7. Chronograph nach Anspruch 2, dadurch gekennzeichnet, dass der Arm (40) noch ein elastisches Organ (44) umfasst, das auf den Finger (41) einwirkt und derart vorgeformt ist, dass es mittels des Schiffchens (10) auf den Finger (41) in der dritten Winkelposition (C) ein Moment ausübt, das grösser ist als das durch das elastische Organ (11) ausgeübte Moment.
  8. Chronograph nach Anspruch 2, dadurch gekennzeichnet, dass die Blockierungsmittel eine Kerbe (36) umfassen, die im zweiten Winkelsektor (30) ausgebildet ist und derart angeordnet ist, dass sich der erste Schnabel (42) in sie einfügt, wenn das Schiffchen (10) in der dritten instabilen Position (C) ist und der Drücker (12) eingedrückt ist, wobei die Kerbe (36) derart beschaffen ist, dass sie das Schwenken des der Wirkung des elastischen Organs (11) unterworfenen Schiffchens (10) blockiert.
EP09180455A 2009-12-22 2009-12-22 Chronograph mit einem einzigen Drücker Active EP2339414B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP09180455A EP2339414B1 (de) 2009-12-22 2009-12-22 Chronograph mit einem einzigen Drücker
JP2010284121A JP5237354B2 (ja) 2009-12-22 2010-12-21 単一プッシュピース型クロノグラフ
CN2010106203266A CN102103361B (zh) 2009-12-22 2010-12-22 单按钮计时器
US12/976,052 US8337075B2 (en) 2009-12-22 2010-12-22 Single push-piece chronograph
HK11113798.4A HK1159263A1 (en) 2009-12-22 2011-12-21 Single push-piece chronograph

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09180455A EP2339414B1 (de) 2009-12-22 2009-12-22 Chronograph mit einem einzigen Drücker

Publications (2)

Publication Number Publication Date
EP2339414A1 EP2339414A1 (de) 2011-06-29
EP2339414B1 true EP2339414B1 (de) 2012-08-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09180455A Active EP2339414B1 (de) 2009-12-22 2009-12-22 Chronograph mit einem einzigen Drücker

Country Status (5)

Country Link
US (1) US8337075B2 (de)
EP (1) EP2339414B1 (de)
JP (1) JP5237354B2 (de)
CN (1) CN102103361B (de)
HK (1) HK1159263A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3059643B1 (de) * 2015-02-23 2017-07-19 Montres Breguet S.A. Uhrmechanismus
EP3731030B1 (de) * 2019-04-24 2021-11-17 Patek Philippe SA Genève Steuervorrichtung eines uhrwerkmechanismus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH740A (fr) * 1889-03-29 1889-06-29 Domon Ovide Ferdinand Montre à chronographe à compteur simplifiée, système O. Domon
CH283491A (fr) * 1950-02-22 1952-06-15 D Horlogerie Lemania Lugrin So Mécanisme de commande d'un chronographe.
CH309240A (fr) * 1950-05-23 1955-08-31 Nicolet Watch S A Pièce d'horlogerie.
FR1519610A (fr) * 1966-12-19 1968-04-05 D Horlogerie Lemania Lugrin S Mécanisme de remise à zéro pour pièce d'horlogerie mesurant des intervalles de temps
JPS4938661A (de) * 1972-08-10 1974-04-10
CH500073A4 (de) * 1973-04-06 1976-02-13
CH636493B (fr) * 1980-01-21 Ebauches Sa Montre chronographe.
CH698827B1 (fr) * 2006-08-15 2009-11-13 Chopard Manufacture Sa Dispositif de remise à zéro pour une pièce d'horlogerie.
CH705439B1 (fr) * 2006-12-18 2013-03-15 Jean Pierre Jaquet Mécanisme de commande d'un chronographe.
CH704304B1 (fr) * 2007-12-21 2012-06-29 Frank Mueller Watchland S A Mécanisme de chronographe, mouvement horloger et pièce d'horlogerie comprenant un tel mécanisme.
CH705056B1 (fr) * 2008-02-08 2012-12-14 Manuf La Joux Perret Sa Pièce d'horlogerie comportant un mécanisme de chronographe.

Also Published As

Publication number Publication date
EP2339414A1 (de) 2011-06-29
CN102103361B (zh) 2013-06-12
JP5237354B2 (ja) 2013-07-17
CN102103361A (zh) 2011-06-22
US8337075B2 (en) 2012-12-25
JP2011133478A (ja) 2011-07-07
HK1159263A1 (en) 2012-07-27
US20110149695A1 (en) 2011-06-23

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