EP4060428A1 - Betätigungsmechanismus für uhrwerk, insbesondere chronographenmechanismus mit einem solchen betätigungsmechanismus - Google Patents

Betätigungsmechanismus für uhrwerk, insbesondere chronographenmechanismus mit einem solchen betätigungsmechanismus Download PDF

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Publication number
EP4060428A1
EP4060428A1 EP22161200.5A EP22161200A EP4060428A1 EP 4060428 A1 EP4060428 A1 EP 4060428A1 EP 22161200 A EP22161200 A EP 22161200A EP 4060428 A1 EP4060428 A1 EP 4060428A1
Authority
EP
European Patent Office
Prior art keywords
control
chronograph
state
counter
reset
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
EP22161200.5A
Other languages
English (en)
French (fr)
Other versions
EP4060428B1 (de
Inventor
Julien MARTEL
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.)
Manufacture dHorlogerie Audemars Piguet SA
Original Assignee
Manufacture dHorlogerie Audemars Piguet 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 Manufacture dHorlogerie Audemars Piguet SA filed Critical Manufacture dHorlogerie Audemars Piguet SA
Publication of EP4060428A1 publication Critical patent/EP4060428A1/de
Application granted granted Critical
Publication of EP4060428B1 publication Critical patent/EP4060428B1/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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/10—Means used apart from the time-piece for starting or stopping same
    • 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
    • G04F7/0809—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with single hammers, i.e. one hammer acts on each counter
    • 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
    • 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
    • G04B29/00—Frameworks
    • 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
    • G04B29/00—Frameworks
    • G04B29/04—Connecting or supporting parts
    • 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
    • G04B33/00—Calibers
    • 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
    • G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel

Definitions

  • the figure 1 represents a partial front view of a chronograph mechanism 1 having a flyback function, according to a preferred embodiment of the present invention.
  • the chronograph mechanism 1 is provided with a first START/STOP command 100 making it possible to start and stop the driving of the counters 2 and 4 to measure a time or to stop it, by means of at minus one clutch 102.
  • reset hammers 44 are superimposed here being integral with one another, which is not visible in front view, each of them being associated with one of the reset cams at zero 14, 16.
  • the mechanism according to the invention advantageously comprises a rocker 18, pivoted along an axis of rotation 20, and carrying a beak 48 arranged to cooperate with the columns 32 of the additional column wheel and allow the latter to control the angular orientation of the rocker 18, between a rest position in which it leaves the chronograph brake 104 free to move depending on the START or STOP state of the mechanism, and a reset position in which it acts on the brake 104 chronograph to move it away from counter 4, if necessary.
  • the cooperation between the beak 48 and the additional column wheel makes it possible to ensure that the brake 104 is moved away from the counter 4 during the reset operations, that the chronograph mechanism 1 is in START mode (brake already removed from the counter ) or STOP (brake on counter contact).
  • the mode of operation of the flip-flop 18 can be taken advantage of to be able to act on the kinematic link connecting the chronograph counter 4 to a drive wheel of the watch movement, during reset operations.
  • the clutch comprises a transmission member carried by a clutch rocker movable between two positions, one engaged and one disengaged, making it possible to ensure the establishment of such a kinematic connection or to interrupt it according to the START operating mode or STOP of the chronograph mechanism.
  • the figure 2a illustrates the configuration of the actuating mechanism according to the invention independently of the START or STOP operating mode of the chronograph mechanism 1.
  • the reset control 22 is not in contact with the additional column wheel, the angular orientation of which is kept fixed by its jumper 46.
  • rocker 18 is arranged in such a way as to allow disengagement, or isolation, of all of the chronograph counters. It always cooperates with the additional rocker 106 which is prestressed under the effect of the action of the elastic return member 112. When the rocker 18 is actuated, it cooperates with the rocker 106 to isolate the minute counter 2 and to be able to allow it to be reset, the latter then only being subject to the action of its jumper 108.
  • the column wheel 110 lifts the brake 104 of the seconds counter 4, and the rocker 18 therefore does not come into contact with the brake 104 when it is actuated. .
  • the rocker 18 acts on the transmission member 114 to lift it from the seconds counter 4.
  • the column wheel 110 acts on the clutch 102 of such that the transmission member 114 is lifted from the seconds counter 4.
  • the rocker 18 does not act on the transmission member 114 but it acts on the brake 104 to lift it from the 4 seconds counter.
  • the reset control 22 When a user begins to exert pressure on the reset control 22 (via the push-button, not visible), the latter begins to pivot in the direction of counter-clockwise rotation in the view of the figures, as shown on the figure 2b .
  • rocker 18 lifts under the effect of the action of column 32 which had approached its beak 48.
  • the beak 50 of the reset hammers 44 is still resting against the same column 32 but is about to find itself opposite a hollow between this column and the next.
  • the elastic portions 36 and 38 of the control 22 have in the meantime substantially accumulated a maximum of mechanical energy by deforming, the control 22 being almost at the end of its travel.
  • the elastic portion 38 loaded to the maximum can then release its mechanical energy by pivoting the reset hammers 44 in the direction of clockwise rotation on the view of the figure 2e , until they come into abutment against the reset cams 14, 16, which in turn rotate to take a predefined angular orientation, associated with a positioning on 0 of the display members of the seconds and minutes of measured time, in a conventional manner.
  • the additional column wheel is in an unstable orientation, its jumper 46 being under tension, resting on a single tooth of the toothing 28.
  • any additional rotation of the additional column wheel in the direction of anti-clockwise rotation on the sight of the figure 2e is impossible due to the positioning of the reset hammers 44 whose beak 50 defines a stop for the next column 32.
  • the elastic portion 36 has elastic properties such as its action on the control 22, aimed at causing it to rotate clockwise in the view of the figure 2f , also makes it possible to lift the reset hammers 44 to bring them back to their rest position.
  • the additional column wheel also releases the beak 48 of the rocker 18 which falls back into a hollow between two columns 32.
  • the chronograph mechanism therefore returns to its configuration dictated by the orientation of the column wheel 110, c that is to say that the brake 104 falls on the wheel 12 of the seconds counter 4 if the chronograph mechanism is in its STOP operating mode, or that the transmission member 114 falls to mesh with the wheel 12 if the chronograph mechanism is in its START operating mode.
  • the pawl 26 of the control 22 retracts to pass from the configuration illustrated on the figure 2f to that of the figure 2a .
  • the actuation mechanism when the user releases the control 22, the actuation mechanism according to the invention returns to the configuration illustrated on the figure 2f to that illustrated on the figure 2a , and the measurement of a time starts again from 0 if the reset performed was a reset in flight, that is to say if the chronograph mechanism was in START operating mode. Otherwise, if the chronograph mechanism was in the STOP operating mode, all the chronograph counters remain at zero.
  • the figures 3a to 3h represent two-by-two front views, respectively of a first side and of the opposite side, of an actuation mechanism according to an alternative embodiment of the present invention, in four successive operating phases.
  • this actuation mechanism is similar to that which has just been presented in relation to the figures 2a to 2f , its components being only very slightly modified with reference to the preceding description.
  • the same reference numerals are used on the figures 3a to 3h to identify the components described previously, in order to facilitate their understanding.
  • the figures 3a and 3b illustrate the configuration of the actuation mechanism independently of the START or STOP operating mode of the chronograph mechanism 1.
  • the reset control 22 is not in contact with the additional column wheel, the angular orientation of which is kept fixed by its jumper 46.
  • the beak 48 of the rocker 18 is located in a hollow between two columns 32 of the additional column wheel.
  • the beak 50 of the reset hammers 44 is held outside the outer perimeter defined by the columns 32 of the additional column wheel by the control 22, thereby keeping the reset hammers away from the reset cams. zero 14, 16.
  • the reset control 22 When a user begins to exert pressure on the reset control 22, the latter begins to pivot in the direction of counter-clockwise rotation on the view of the picture 3a , as shown in the 3c and 3d figures .
  • control 22 When swiveling, the control 22 turns the additional column wheel on itself, which is particularly visible on the figure 3c , from which appears the movement traveled by the column 32 on which the beak 50 of the reset hammers 44 rests from the rest configuration illustrated on the picture 3a .
  • the jumper 46 has not yet fully released the stored energy but the additional column wheel cannot turn any further because the beak 50 is on the path of one of its columns 32.
  • the actuation mechanism then resumes its initial configuration, as illustrated on the figures 3a and 3b .
  • edges of the beak 50 are slightly rounded in the context of the second variant embodiment illustrated in the figures 3a to 3h .
  • the "all or nothing" type actuating mechanism comprises a control acting on a column wheel and on hammers of reset of a chronograph mechanism
  • the control acts on a member other than a column wheel and on an actuating lever other than a reset hammer or hammers.
  • the actuating mechanism according to the invention may be integrated into a striking mechanism of a watch movement, the control then being arranged to load a striking spring and to activate the mechanism. ringing in response to pressure from a user to move the control to the end of its travel.
  • the implementation of the present invention is not limited to the exact geometry of the various components of the mechanism as it has been illustrated and described. Indeed, the person skilled in the art will not encounter no particular difficulty in adapting the present teaching to the implementation of an actuation mechanism meeting the characteristics of the present invention, in which the components would have shapes and layouts different from those described and illustrated.
  • a single chronograph counter or two non-coaxial chronograph counters could be provided, the elastic portions 36, 38 could be replaced by springs separate from the control 22.
  • the transmission member 114 and the brake 104 are controlled by the fall of the hammers, as is the case in a conventional chronograph mechanism, but this would however require increasing the angular travel of the hammers in order to be able to disengage the mechanism before acting on the cams of reset.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP22161200.5A 2021-03-18 2022-03-09 Betätigungsmechanismus für uhrwerk, insbesondere chronographenmechanismus mit einem solchen betätigungsmechanismus Active EP4060428B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00288/21A CH718458A9 (fr) 2021-03-18 2021-03-18 Mécanisme d'actionnement pour mouvement horloger, en particulier mécanisme de chronographe comportant un tel mécanisme d'actionnement.

Publications (2)

Publication Number Publication Date
EP4060428A1 true EP4060428A1 (de) 2022-09-21
EP4060428B1 EP4060428B1 (de) 2023-09-27

Family

ID=75728531

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22161200.5A Active EP4060428B1 (de) 2021-03-18 2022-03-09 Betätigungsmechanismus für uhrwerk, insbesondere chronographenmechanismus mit einem solchen betätigungsmechanismus

Country Status (5)

Country Link
US (1) US11860583B2 (de)
EP (1) EP4060428B1 (de)
JP (1) JP2022145561A (de)
CN (1) CN115113510A (de)
CH (1) CH718458A9 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4935073A (de) * 1972-08-03 1974-04-01
EP2073079A2 (de) * 2007-12-21 2009-06-24 Franck Müller Watchland SA Chronographmechanismus, Uhrwerk und diesen Mechanismus umfassende Uhr

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP1746471B1 (de) * 2005-07-20 2019-09-18 Breitling AG Null-Rückstellungsvorrichtung für zwei Zeitzähler
CH698827B1 (fr) * 2006-08-15 2009-11-13 Chopard Manufacture Sa Dispositif de remise à zéro pour une pièce d'horlogerie.
CH708999A1 (fr) * 2013-12-16 2015-06-30 Société Anonyme De La Manufacture D Horlogerie Audemars Piguet & Cie Dispositif de remise à zéro avec marteaux indépendants.
EP3876042B1 (de) * 2020-03-05 2023-12-06 Montres Breguet S.A. Nullstellungssystem eines chronographen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4935073A (de) * 1972-08-03 1974-04-01
EP2073079A2 (de) * 2007-12-21 2009-06-24 Franck Müller Watchland SA Chronographmechanismus, Uhrwerk und diesen Mechanismus umfassende Uhr

Also Published As

Publication number Publication date
US20220299945A1 (en) 2022-09-22
CH718458A9 (fr) 2022-11-30
US11860583B2 (en) 2024-01-02
CH718458A1 (fr) 2022-09-30
CN115113510A (zh) 2022-09-27
JP2022145561A (ja) 2022-10-04
EP4060428B1 (de) 2023-09-27

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