EP4307052A1 - Chronographenmechanismus für uhrwerk - Google Patents

Chronographenmechanismus für uhrwerk Download PDF

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Publication number
EP4307052A1
EP4307052A1 EP22185019.1A EP22185019A EP4307052A1 EP 4307052 A1 EP4307052 A1 EP 4307052A1 EP 22185019 A EP22185019 A EP 22185019A EP 4307052 A1 EP4307052 A1 EP 4307052A1
Authority
EP
European Patent Office
Prior art keywords
mobile
minute
hour
return
display
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.)
Pending
Application number
EP22185019.1A
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English (en)
French (fr)
Inventor
Julien MARTEL
Giulio Papi
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
Priority to EP22185019.1A priority Critical patent/EP4307052A1/de
Priority to PCT/EP2023/069569 priority patent/WO2024013346A1/fr
Publication of EP4307052A1 publication Critical patent/EP4307052A1/de
Pending legal-status Critical Current

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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
    • G04F7/0866—Special arrangements
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale

Definitions

  • the present invention also relates to a watch movement comprising a chronograph mechanism of this type, as well as a timepiece comprising such a watch movement.
  • chronograph mechanisms also include a minute counter, or even an hour counter, with what this implies of additional components to ensure their training and reset.
  • the patent application WO 2018/091696 A1 describes a chronograph mechanism comprising a seconds counter comprising a seconds display mobile capable of being driven on demand from the finishing train of the corresponding watch movement.
  • the seconds display mobile carries a snail-shaped cam arranged to cooperate with a feeler subjected to the action of an elastic return member, in such a way that the feeler can act on the cam to bring back the seconds display mobile. seconds to zero as long as it is not driven or subjected to the action of a suitable brake.
  • the feeler acts on a winding lever arranged to increment a chronograph minute counter each time the feeler falls from the portion of the cam with the largest radius to the portion with the smallest radius.
  • This construction therefore makes it possible to replace conventional elements constituting the zeroing device, in particular a heart-shaped cam and a hammer intended to act on it to position the display mobile at zero. This makes it possible to respond to a frequent constraint in chronograph mechanisms relating to the high force that it is generally necessary to apply to the reset pusher of the corresponding timepiece, which is often uncomfortable for the user.
  • This chronograph mechanism requires delicate focusing and adjustment operations to ensure that the forces of the springs involved, the shapes of the cam and the feeler, as well as the positioning of the pivot center of the latter in reference to the cam , are well adapted to allow its proper functioning. Furthermore, if this construction lends itself particularly well to the implementation of coaxial displays of the different units of the measured times, it presents a relatively large footprint depending on the direction of its thickness.
  • a main aim of the present invention is to propose a chronograph mechanism of alternative construction to the constructions known from the prior art, presenting in particular better efficiency, great simplicity and good reliability in its operating kinematics, as well as easy handling. comfortable for a user.
  • the present invention relates more particularly to a chronograph mechanism of the type mentioned above, characterized in that the display mobile further comprises teeth arranged in engagement with teeth of the return mobile, the teeth of the mobile display presenting a truncated portion, intended to allow temporary uncoupling between the display mobile and the return mobile when the latter reaches its final position, causing a retrograde movement of the return mobile to its initial position at each complete revolution of the display mobile, under the effect of the action of the elastic return member.
  • the chronograph mechanism according to the invention also includes a jumper acting on the display mobile, when the measurement of a time is in progress, to authorize its rotation only in the predefined direction of rotation. , as well as a jumper neutralization device, operable on demand, arranged to allow a return of the display mobile to its zero position under the effect of the action of the elastic return member on the return mobile .
  • the chronograph mechanism also includes a minute jumper acting on the minute display mobile to authorize its rotation only in the direction of its increment, when the measurement of a time is in progress, thus that a device for neutralizing the minute jumper, operable on demand, arranged to allow a return of the minute display mobile to its zero position under the effect of the action of the elastic minute return member on the minute reminder mobile.
  • the device for neutralizing the minutes jumper is integral with the device for neutralizing the seconds jumper in such a way that the neutralization devices can act in a substantially synchronized manner on their respective necklaces.
  • the chronograph mechanism includes an hour jumper acting on the hour display mobile to authorize its rotation only in the direction of its increment, when the measurement of a time is in progress, as well as a device for neutralizing the hours jumper, operable on demand, arranged to allow a return of the hours display mobile to its zero position under the effect of the action of the elastic hour reminder member on the hour reminder mobile.
  • the device for neutralizing the hour jumper is also integral with the device for neutralizing the seconds jumper so that all the neutralization devices can act in a substantially synchronized manner on their respective saltires.
  • the chronograph mechanism comprises a control mobile capable of pivoting on demand between different first, second and third positions, respectively associated with the START, STOP and RESET operating modes, the control mobile carrying a clutch wheel capable of occupying an engaged position, in the first position of the control wheel, to establish a kinematic connection between the display wheel and the watch movement drive wheel, or disengaged, in the second and third position of the control mobile, to interrupt the kinematic connection.
  • the chronograph mechanism comprises at least one jumper
  • the corresponding neutralization device is arranged on the control mobile in such a way that it neutralizes the action of the jumper when the control mobile is in its third position.
  • the chronograph mechanism includes minute and hour jumpers, it can also be provided that at least one of the corresponding neutralization devices is also arranged on the control mobile in such a way that it neutralizes the action of the jumper corresponding when the control mobile is in its third position.
  • the chronograph mechanism includes a control member capable of switching on demand between a first state, START, and a second state, STOP, to pivot an intermediate control rocker between a first position, START, and a second position, STOP, the intermediate control rocker being arranged to actuate the control mobile and the rotate between its first and second positions.
  • the chronograph mechanism includes a reset member arranged to be able to act on the intermediate control rocker and cause it to pass from one of its first and second positions to a third position, RESET , in which it activates the control mobile to rotate it into its third position.
  • the chronograph mechanism comprises a spring arranged to tend to position the intermediate control lever in its first position.
  • the present invention also relates to a watch movement comprising a chronograph mechanism meeting the characteristics which have just been explained, as well as a timepiece comprising such a watch movement as well as at least one external control member arranged for the actuate in response to a suitable action from a user, that is to say a control member accessible to a user from outside a box of the timepiece.
  • FIG. 1 represents a simplified partial front view, in partial transparency, of a chronograph mechanism 1 according to a preferred embodiment of the present invention.
  • figure 1 represents a partial view of 2 seconds, 4 minutes and 6 hours counters, as well as the corresponding reset devices.
  • the seconds counter 2 comprises a seconds display mobile comprising a seconds wheel 8, intended to be driven on demand from a drive mobile (numeric reference 10 on the figure 5 ) of the corresponding watch movement, as well as a pinion 12 (visible in transparency) integral with the seconds wheel 8.
  • the pinion 12 has truncated teeth, two of its teeth being cut directly at their base.
  • the teeth of the pinion 12 are arranged to cooperate with the teeth of a return mobile intended to be pivoted on a frame element of the watch movement, more precisely on a rake 14 which it comprises, the latter being associated with a counterweight 16.
  • the teeth of the return mobile also have two truncated teeth, preferably and optionally, as well as a stop 18.
  • An elastic return member 20 is arranged to act on the return mobile so as to rotate the latter in the direction of counter-clockwise rotation in the view of the figure 1 , to tend to return it to a first, initial position, in which the stop 18 is positioned against the teeth of the pinion 12, as illustrated in the figure 1 .
  • the stop 18 acts as a positioning jumper indexing the return mobile in its initial position.
  • the teeth of the pinion 12 and the rake 14 are arranged in such a way that when the seconds wheel 8 travels a complete revolution from its zero position, in the direction of anti-clockwise rotation on the view of the figure 1 , the pinion 12 cooperates with the rake 14 to pivot the return mobile from its initial position to a final position, reached by the action of the last tooth of the pinion 12, located immediately before the truncated portion of the following teeth the direction of rotation, on the last tooth of the rake 14.
  • the last tooth of the rake 14 is slightly narrower and/or pointed than the other teeth, in order to avoid point-to-point blocking between it and the last tooth of the pinion 12 which drives it.
  • this last tooth of the rake 14 has a length slightly greater than that of the other teeth, to avoid any risk of contact of the other teeth with the teeth of the pinion 12 when the pinion falls. rake 14 towards its initial position, under the effect of the action of its elastic return member 20.
  • the seconds wheel 8 makes a complete revolution on itself in sixty seconds and that it is intended to directly carry a member for displaying the seconds of a measured time, advantageously a display hand (not shown).
  • the return mobile has a retrograde movement whose period is sixty seconds, which makes it possible to size the elastic return member 20 in such a way that the impact on the operation of the watch movement is relatively reduced.
  • the minute counter 4 comprises a minute display mobile, intended to drive a minute display member, comprising a minute wheel 22 carrying a pinion 24 whose teeth are truncated and arranged engaged with teeth provided on a rake 26 of a minute reminder mobile.
  • An additional elastic return member 28 is arranged so as to act on the minute reminder mobile and tend to rotate it in the direction of anti-clockwise rotation in the view of the figure 1 , up to an initial position defined by the contact between a stop 29 of the rake 26 and the teeth of the pinion 24.
  • the minute display mobile and the minute reminder mobile are preferably arranged in such a way that, when the minute display mobile makes a rotation substantially from its zero position (illustrated on the figure 1 ), it rotates the minute return mobile from its initial position to a final position, in which the truncated portion of the teeth of the pinion 24 faces the rake 26.
  • the action of the elastic return member 28 on the minute reminder mobile then causes a rapid retrograde movement of the latter to its initial position.
  • the hour counter 6 comprises an hour display mobile, intended to drive an hour display member, comprising an hour wheel 30 carrying a pinion 32 whose teeth are truncated and arranged in engagement with teeth provided on a rake 34 of an hour reminder mobile.
  • An additional elastic return member 36 is arranged so as to act on the hour reminder mobile and tend to rotate it in the direction of counter-clockwise rotation in the view of the clock. figure 1 , up to an initial position defined by the contact between a stop 37 of the rake 34 and the teeth of the pinion 32.
  • the hours display mobile and the hours reminder mobile are preferably arranged in such a way that, when the hours display mobile makes a substantial revolution from its zero position (illustrated in the figure 1 ), it rotates the hour return mobile from its initial position to a final position, in which the truncated portion of the teeth of the pinion 32 faces the rake 34.
  • the action of the elastic return member 36 on the hour reminder mobile then causes a rapid retrograde movement of the latter to its initial position.
  • the seconds counter 2 advantageously comprises a jumper 40 arranged to cooperate with the seconds wheel 8 and ensure its angular locking in the STOP mode of the chronograph, while letting it pivot in a predefined direction of rotation in the START mode, when the measurement of time is in progress and that it is driven by the watch movement.
  • the jumper 40 comprises a double beak 42 whose two points are spaced from one another in such a way that the points cooperate in turn with the teeth of the seconds wheel 8 every half-step , in other words, the pitch of the seconds wheel 8 jumps corresponds to half the pitch of its teeth. Thanks to this feature, the recoil of the 8 seconds wheel is limited when starting the measurement of a time. Furthermore, the use of a brake is not necessary since the jumper 40 ensures that the seconds wheel 8 is maintained in a given position when its drive from the watch movement is interrupted.
  • the action of the spring of the jumper 40 can advantageously provide for the action of the spring of the jumper 40 to be adjustable, for example by means of an eccentric as shown here, to optimize its operation and define the best compromise between its locking action and the energy consumption that its action causes. on the proper functioning of the corresponding watch movement.
  • a jumper 44 is associated with the minute wheel 22 and another jumper 46 is associated with the hour wheel 30 to ensure their angular locking when the measurement of a time is interrupted, while allowing these two wheels to rotate, in the direction of their increment, when the measurement of a time is in progress.
  • the indexing between, on the one hand, the minute and hour wheels and, on the other hand, the corresponding pinions is typically carried out on a mounting provided with two positioning pins intended to receive the wheel, via two corresponding indexing holes in the latter, and cooperating with the teeth of the pinion.
  • the indexing between each wheel and its pinion is precise.
  • FIG. 3 represents a simplified front view similar to that of the figure 1 , in which additional construction details are illustrated.
  • Figure 3 illustrates how the 4 minute and 6 hour counters are driven when a time measurement is in progress.
  • the chronograph mechanism 1 according to the preferred embodiment of the invention comprises a first transmission rocker 50 intended to be pivoted on a frame element of the watch movement along an axis of rotation 52.
  • the first transmission rocker 50 comprises a first arm 54 whose end is connected to the seconds return mobile by an articulation or connection 56 of the linear ball joint type.
  • the first transmission rocker 50 comprises a second arm 58 carrying at its end a minute pawl 60, arranged to retract initially to pass from one tooth to the other of the minute wheel 22, when the rocker of transmission 50 rotates in a first predefined direction of rotation (anti-clockwise in the view of the Figure 3 ), then to increment the minute counter when the transmission rocker 50 turns in the opposite direction, driving the minute wheel 22 with it.
  • the minutes pawl 60 is positioned behind the next tooth of the minutes wheel 22 while the seconds return mobile moves from its initial position to its final position, while it rotates the minutes wheel 22 d 'one step (in the direction of counterclockwise rotation on the view of the Figure 3 ) during the rapid retrograde movement of the seconds reminder mobile from its final position to its initial position, i.e. every sixty seconds.
  • the chronograph mechanism 1 comprises a second transmission rocker 62 intended to be pivoted on a frame element of the watch movement along an axis of rotation 64 (confused here with that of the hour reminder mobile, for illustration purposes not limiting).
  • the second transmission rocker 62 comprises a first arm 66 whose end is connected to the minute return mobile by an articulation or connection 68 of the linear ball joint type.
  • the second transmission rocker 62 comprises a second arm 70 carrying at its end an hour pawl 72, arranged to retract and pass from one tooth to the other of the hour wheel 30, when the transmission rocker 62 turns in a first predefined direction of rotation (clockwise in the view of the Figure 3 ), and to increment the hour counter when the transmission rocker 62 turns in the opposite direction, driving the hour wheel 30 with it.
  • the hour pawl 72 gradually turns the hour wheel 30 by one step (in the direction of counter-clockwise rotation on the view of the Figure 3 ) while the minute reminder mobile moves from its initial position to its final position, while it quickly positions itself behind the next tooth of the hour wheel 30 during the rapid retrograde movement of the minute reminder mobile from its final position towards its initial position.
  • the minute counter 4 is advantageously arranged in such a way that the minute wheel 22 makes one revolution in sixty minutes, more preferably thirty minutes.
  • the hour counter 6 is made here in such a way that the hour wheel 30 makes one revolution in twenty-four hours, more preferably in twelve hours, for non-limiting purposes of illustration.
  • the jumper of each of the three counters makes it possible to maintain the orientation of the corresponding wheel fixed during the return of the associated transmission rocker to its initial position. . Indeed, during this operation, which immediately follows an increment of the counter, its wheel no longer undergoes the force which is exerted by the transmission rocker the rest of the time and which opposes the return to zero of the counter under the effect of the action of the corresponding reminder mobile. Thus, when the transmission rockers return to their initial position, only the jumpers oppose the action of the return mobiles and prevent an unexpected return to zero of the counters.
  • each of the jumpers only authorizes the rotation of the corresponding counter in a single direction of rotation, that of its increment, the rotation in the direction of resetting to zero, induced by the corresponding reminder mobile, being blocked.
  • the components of the chronograph mechanism 1 are carried by one or more frame elements, generally identified by the numerical reference 80, the number and shape of which are of little importance for the implementation of the present invention.
  • the frame elements may include a plate of a watch movement or a plate additional specific for the chronograph mechanism 1, and one or more bridges.
  • the operation of the chronograph mechanism 1 is here intended to be controlled by a user by means of two pushers (not visible) of the corresponding timepiece, one intended to act on a START/STOP 82 command, and the other on a RESET 84 command.
  • the START/STOP control 82 carries a pawl 86 arranged to cooperate with a control member here having the shape of a column wheel 88, to rotate it by one step, in the direction of anti-clockwise rotation on the view of the figure 4 , each time the user presses the corresponding pusher.
  • a jumper 90 also cooperates with the column wheel 88 to define stable angular orientations, in a conventional manner, alternately associated with START and STOP states of the chronograph mechanism 1.
  • the column wheel 88 in turn cooperates with a nozzle provided at the free end of a first arm of an intermediate control rocker 92, in the general shape of a V.
  • the second arm of the intermediate control rocker 92 comprises a spring 94 arranged to tend to push the nose of the first arm towards the column wheel 88.
  • the free end of the second arm carries a pin 96, which is engaged in a slot provided in an arm 98 of a control mobile 100.
  • the latter is free to rotate with reference to the frame of the watch movement, following a axis of rotation confused here with that of the chronograph seconds counter 2.
  • the control mobile 100 is assembled to the frame by three screws 102 engaged in curved slots of a central plate of the control mobile 100.
  • the column wheel 88 pivots the intermediate control rocker 92, between a first START position and a second STOP position, which itself pivots the control mobile 100 between a first START position and a second STOP position.
  • the control wheel 100 comprises a second arm carrying a clutch wheel 104 capable of occupying two different positions, an engaged position and a disengaged position, depending on the position of the control wheel 100.
  • the clutch wheel 104 is part of a clutch device whose construction and operation are more clearly visible in the view of the Figure 5 .
  • the clutch device comprises a clutch mobile 106 comprising two wheels integral with one another in rotation, one of which is in permanent engagement with the drive mobile 10 of the watch movement, and the other of which may or may not be engaged with the clutch wheel 104 depending on the position in which the control mobile 100 is located.
  • the clutch device also includes an additional wheel 108 coaxial with the clutch mobile 106 and identical to the second wheel of the latter.
  • the additional wheel 108 is arranged in permanent engagement with the seconds wheel 8 of the seconds counter 2.
  • the clutch wheel 104 is simultaneously engaged with the clutch wheel 106 and with the additional wheel 108, so as to create a kinematic connection between the drive wheel 10 and the seconds wheel 8 to ensure training of the latter.
  • the RESET 84 command is shown more visibly on the Figure 6 , with the intermediate control flip-flop 92.
  • the RESET command 84 comprises a reset member 110 and a reset rocker 112, both assembled to the frame by a screw 114 so as to be able to pivot, as well as a rotary lock 116, acting on the reset rocker to zero 112 and actuated by the reset member 110, to give rise to “all or nothing” type operation.
  • the reset member 110 carries a first pin 118 arranged to cooperate with the lock 116, to rotate it, and a second pin 120 arranged to deform a spring 122 carried by the reset rocker 112, when the reset member 110 is actuated while the lock 116 prevents rotation of the reset rocker 112.
  • the lock 116 includes a cutout 124 in which a nose 126 secured to the reset rocker 112 is capable of engaging when the cutout 124 faces it.
  • the RESET 84 command returns to its rest state (illustrated on the Figure 6 ) without impact on the operation of the chronograph mechanism 1 when the user releases the corresponding pusher before having reached a certain threshold predefined by construction.
  • the reset member 110 pivots sufficiently so that the cutout 124 comes to position itself opposite the nozzle 126, the latter can be inserted into the cutout 124 to allow the spring 122 to release the energy it has stored during its deformation.
  • the reset rocker 112 suddenly pivots and a finger 128 which it carries can act on the intermediate control rocker 92 to rotate it in the direction of clockwise rotation on the view of the Figure 6 .
  • control mobile 100 notably comprises devices for neutralizing the jumpers of the different chronograph counters, taking the form of two slots 132 and 134 provided in a first ear 130, and a slot 138 provided in a second ear 136.
  • the slot 132 cooperates with the seconds jumper 40 to rotate it clockwise on the view of the Figure 4 , when the control mobile 100 passes into its RESET position, to move its double beak 42 away from the seconds wheel 8 and thus allow the return of its return mobile to its initial position, causing a return of the seconds counter 2 to its zero position as explained previously.
  • the entrance to the slot 132 is shaped so as to define a stop for the seconds jumper 40 when the control mobile 100 is in its STOP position, to prevent it from pivoting in the direction of rotation. schedule on the view of the figure 4 , and thus secure the position of the seconds wheel 8 when the measurement of a time is stopped.
  • the second slot 134 of the first ear 130 is arranged to cooperate with the minute counter 4. More precisely, the device for neutralizing the minute jumper also includes a minute neutralization rocker 140, pivotally mounted on the frame and carrying a pin 142 housed in the second slot 134. The latter has two successive portions, a first associated with the START and STOP positions of the control mobile 100 and a first angular orientation of the minute neutralization rocker 140, and a second associated with the position RESET of the control mobile 100 and a second angular orientation of the minute neutralization rocker 140, occupied by the latter after a counterclockwise rotation on the view of the Figure 4 .
  • the minute neutralization rocker 140 comprises a first branch 144 arranged to neutralize the minute jumper 44 by rotating it in the direction of clockwise rotation in the view of the Figure 4 when the control mobile 100 is pivoted to its RESET position.
  • the minute return mobile can return to its initial position and return the minute counter 4 to its zero position, as explained previously.
  • the minute neutralization rocker 140 includes a second branch 146 arranged to keep the minute pawl 60 away from the minute wheel 22 when it is reset to zero.
  • the slot 138 of the second ear 136 is arranged to cooperate with the hour counter 6. More precisely, the device for neutralizing the hour jumper also includes an hour neutralization rocker 150 which is pivotally mounted on the frame and carries a pin 152 housed in the slot 138. The latter has two successive portions, a first associated with the START and STOP positions of the control mobile 100 and a first angular orientation of the hour neutralization rocker 150, and a second associated with the RESET position of the mobile control 100 and a second angular orientation of the hour neutralization rocker 150, occupied by the latter after a clockwise rotation on the view of the Figure 4 .
  • the hour neutralization rocker 150 comprises a first branch 154 arranged to neutralize the hour jumper 46 by rotating it in the direction of counter-clockwise rotation in the view of the Figure 4 when the control mobile 100 is pivoted to its RESET position.
  • the hour wheel 30 being released, the hour reminder mobile can return to its initial position and return the minute counter 6 to its zero position, as explained previously.
  • the hour neutralization rocker 150 includes a second branch 156 arranged to keep the hour pawl 72 away from the hour wheel 30 when it is reset to zero.
  • the chronograph mechanism 1 When the RESET command 84 is released, the chronograph mechanism 1 resumes its state preceding its activation, START or STOP, depending on the state of the column wheel 88, under the effect of the action of the spring 94 of the intermediate control rocker 92.
  • the chronograph mechanism 1 here presents a flyback type operation since the measurement of a time can resume as soon as the reset pusher is released if the active mode during a reset was START mode.
  • this construction also makes it possible to limit the stroke and the actuation force of the control pushers associated with this chronograph mechanism, to operate the various functions, which in particular makes it possible to improve the ergonomics and design of these pushers by improving their integration into the caseband.
  • this makes it possible to produce pushers with reduced actuation characteristics, for example going from a typical stroke of the order of 0.8 to 1 mm to a reduced stroke of the order of 0.3 mm, and/or a typical actuation force to be applied of the order of 8 to 12 N to a reduced actuation force of the order of 1.5 to 2.5 N (it is thus possible to produce mechanical pushers similar to the electromechanical pushers used on mobile phones for example).
  • the construction according to the present invention makes it possible to maintain the seconds counter under permanent tension, thus avoiding any chattering of the associated chronograph seconds hand when time measurements are triggered.
  • the construction according to the invention offers better performance than conventional constructions.
  • reminder mobiles illustrated in the appended figures present a preferred but optional characteristic: they are balanced from the point of view of mass distribution, each rake being associated with a counterweight, in order to limit the risk of damage to the mechanism in the event of an impact.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP22185019.1A 2022-07-14 2022-07-14 Chronographenmechanismus für uhrwerk Pending EP4307052A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP22185019.1A EP4307052A1 (de) 2022-07-14 2022-07-14 Chronographenmechanismus für uhrwerk
PCT/EP2023/069569 WO2024013346A1 (fr) 2022-07-14 2023-07-13 Mecanisme pour la mesure d'un temps pour mouvement horloger, notamment mecanisme de chronographe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22185019.1A EP4307052A1 (de) 2022-07-14 2022-07-14 Chronographenmechanismus für uhrwerk

Publications (1)

Publication Number Publication Date
EP4307052A1 true EP4307052A1 (de) 2024-01-17

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Application Number Title Priority Date Filing Date
EP22185019.1A Pending EP4307052A1 (de) 2022-07-14 2022-07-14 Chronographenmechanismus für uhrwerk

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EP (1) EP4307052A1 (de)
WO (1) WO2024013346A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US864177A (en) * 1904-03-22 1907-08-27 Gabriel Lopez Mantaras Watch.
CH688068GA3 (fr) * 1994-07-29 1997-05-15 Technowatch Sa Dispositif indicateur de seconde pour pièce d'horlogerie.
JP2009121962A (ja) * 2007-11-15 2009-06-04 Seiko Instruments Inc クロノグラフ表示機構及びこれを備えたクロノグラフ時計
EP3112956A1 (de) * 2015-07-01 2017-01-04 Richemont International S.A. Retrograder chronographenmechanismus mit einholzeiger
WO2018091696A1 (fr) 2016-11-17 2018-05-24 Nogerah Sa Mecanisme d'affichage avec fonction de remise a zero
EP3869280A1 (de) * 2020-02-19 2021-08-25 Montres Breguet S.A. Anzeigemechanismus für uhr

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US864177A (en) * 1904-03-22 1907-08-27 Gabriel Lopez Mantaras Watch.
CH688068GA3 (fr) * 1994-07-29 1997-05-15 Technowatch Sa Dispositif indicateur de seconde pour pièce d'horlogerie.
JP2009121962A (ja) * 2007-11-15 2009-06-04 Seiko Instruments Inc クロノグラフ表示機構及びこれを備えたクロノグラフ時計
EP3112956A1 (de) * 2015-07-01 2017-01-04 Richemont International S.A. Retrograder chronographenmechanismus mit einholzeiger
WO2018091696A1 (fr) 2016-11-17 2018-05-24 Nogerah Sa Mecanisme d'affichage avec fonction de remise a zero
EP3869280A1 (de) * 2020-02-19 2021-08-25 Montres Breguet S.A. Anzeigemechanismus für uhr

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
C.-A. REYMONDIN ET AL.: "Théorie d'horlogerie", pages: 232 - 244

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