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
  • G04B19/00—Indicating the time by visual means
  • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
• • 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
  • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
  • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
  • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
  • G04B19/25—Devices for setting the date indicators manually
• • 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
  • G04B27/001—Internal gear therefor, e.g. for setting the second hand or for setting several clockworks

Definitions

• the present invention relates to an actuating mechanism for a watch movement comprising
• a second mobile intended to be rotatably mounted on a frame member of the watch movement and to control the movements of at least one driven mobile of the watch movement to actuate at least one additional mechanism
• the first movable having first and second sets of teeth rotatably secured and respectively defining first and second levels capable of cooperating respectively with the driving arm and the second movable respectively.
• the first mobile has the shape of a wheel provided with the toothing at its periphery.
• the invention also relates to a watch movement provided with such a mechanism and a timepiece comprising such a watch movement.
• the patent application EP 1351 104A1 and the patent CH 680630A3, to which the European application refers have a mobile, all but one of the teeth are truncated in the radial direction. All the teeth cooperate with a first mobile, coach, while only the full tooth cooperates with a second mobile, driven.
• a main object of the present invention is to propose an alternative to applications using mobile devices with several teeth levels known from the prior art, by proposing a mechanism that is compatible with a mobile phone and having kinematics. of different operation, aimed in particular to actuate an additional mechanism of the corresponding watch movement.
• the present invention relates more particularly to an actuating mechanism of the type mentioned above, characterized in that it further comprises an elastic member arranged to act on the second mobile and define a rest position of the latter, in which it is located within range of the second toothing but out of reach of the first toothing.
• This mechanism is also characterized in that the second toothing has a predefined pitch such that the second mobile is pivotable in response to a displacement of the first mobile before returning to its rest position between two teeth of the second toothing.
• the first and second teeth of the mobile are arranged in the direction of the thickness of the first mobile defining first and second stages of teeth.
• the first mobile can be arranged in a watch movement to be driven by a driving mobile, cooperating with a first gear stage, to control the movement of the second mobile via the second gear stage , the second mobile having an alternating movement between at least one pivoted position and a rest position.
• the second mobile can be a rocker advantageously comprising a nozzle arranged to cooperate with the second toothing of the first mobile.
• the elastic member may comprise an abutment surface arranged to cooperate with a suitable bearing surface provided on the rocker to define the rest position.
• the rocker is pivotable in respective first and second directions of rotation as the first mobile is driven, respectively, in a first and a second direction of rotation.
• the rocker can either actuate an additional mechanism of the corresponding watch movement, in first and second opposite directions, or actuate two separate additional mechanisms, depending on the direction in which it is itself driven by the first mobile.
• the latch advantageously comprises a second nose capable of acting on a first driven mobile watch movement when the rocker pivots in the first direction of rotation and a third nozzle capable of acting on a second mobile driven the watch movement when the rocker pivots in the second direction of rotation.
• the actuating mechanism according to the invention is a correction mechanism of one or two indications of a watch movement, such as the date and the day of the week.
• a first pivoting direction of the rocker is associated with the correction of the date
• the second direction of pivoting of the rocker is associated with the correction of the day of the week.
• the present invention also relates to a watch movement provided with an actuating mechanism of the type just described, associated with a first additional mechanism arranged to control the movements of the first mobile and, at least one second additional mechanism arranged to be operated from the movements of the rocker.
• the first mobile can be realized as two toothed members reported and secured in the general direction of movement of the mobile.
• the first mobile can be made in the form of a toothed body of which some teeth are truncated.
• the first mobile is a toothed wheel whose teeth are truncated in the direction of the thickness of the mobile so as to define two sets of teeth distributed over two floors.
• Figure 1 shows a simplified perspective view of a construction detail of a part of a watch mechanism according to a preferred embodiment of the present invention
• FIG. 1 shows a simplified top view of a part of a watch movement incorporating the mechanism of Figure 1, in a first configuration
• FIG. 3 represents a simplified top view of a part of a watch movement integrating the mechanism of FIG. 1, in a second configuration
• Figure 4 shows a simplified top view of a part of a watch movement incorporating the mechanism of Figure 1, in a third configuration.
• Figure 1 shows a simplified perspective view of a detail of a part of a watch mechanism according to a preferred embodiment of the present invention.
• FIG. 1 represents a first mobile 1, according to a preferred embodiment of the present invention, intended to be driven by a driving mobile 2 to actuate a second mobile 3.
• the mobiles 1 to 3 are intended to be rotatably mounted on a frame member (not shown) of a watch movement, for example on the plate.
• the first mobile 1 here has the shape of a wheel, or a ring, having a toothing at its periphery comprising 30 teeth here, illustratively non-limiting. It appears from Figure 1 that some teeth 6 of the toothing are truncated in the direction of the thickness of the first mobile 1. More specifically, two teeth out of three are truncated, substantially at half height, so that one tooth out of three is full.
• the toothing has a first toothing, or a first stage, comprising both the truncated teeth 6 and the solid teeth 8 and a second toothing, or a second stage, 12 comprising an alternation between solid teeth 8 and voids due to the fact that two teeth out of three are truncated.
• the pitch of the second floor is triple that of the first floor.
• the first mobile 1 is formed of two superimposed and rotationally fixed boards, each of which would carry one of the teeth 10, 12, without departing from the scope of this invention.
• the first stage 10 of the toothing is intended to cooperate with the driving mobile to ensure the rotational drive of the first mobile 1.
• the second stage 12 of the toothing is arranged to cooperate with the second mobile 3, here having the shape of a rocker adapted to be rotatably mounted on the frame of the watch movement, by means of a hole 14 for receiving a screw (not shown).
• the hole 14 defines the axis of rotation of the rocker 3 with reference to the frame.
• the latch 3 has two main arms 16, 18, extending on either side of the hole 14 in substantially aligned general directions.
• the first arm 16 initially extends in a slightly curved direction before separating into two branches 20, 22, respectively carrying first and second spouts 24, 26 at their free end.
• the second arm 18 has a recess 28 in the general shape of C and intended to avoid a collision of the latch with another mobile watch movement, as will be apparent from Figures 2 and 3, before ending with a third nozzle 30, whose function will be explained later in relation to these same figures.
• the first nozzle 24 is intended to cooperate with the toothing of the first mobile 1, as shown in Figure 1, while the second nozzle 26 is intended to cooperate with a driven mobile (not visible in Figure 1).
• the first nozzle 24 is disposed in the general plane of the second stage 12 of the toothing so as to cooperate only with the solid teeth 8, the first toothing 10 being located in another plane, or out of range of the first beak 24.
• the rocker 3 has two thickness levels along the direction of its length to define a bearing surface 31, adjacent to the hole 14 and intended to cooperate with an abutment surface 32 of an elastic member 34 mounted fixed on a frame member of the watch movement.
• the bearing surfaces 31 and abutment 32 are here substantially planar.
• the elastic member 34 is arranged to exert on the rocker 3 a force tending to position it in a rest position shown in Figure 1, wherein the first nozzle 24 is disposed within range of the second toothing 12 of the first mobile.
• Figures 2 to 4 show, without limitation, a preferred application of the actuating mechanism which has just been described in connection with the Figure 1, in three different configurations of this mechanism to enter the mode of operation.
• Figures 2 to 4 illustrate, in a simplified manner, a part of a watch movement intended to allow the display of the day of the week and the date in the form of large date.
• the watch movement comprises mobiles or stars of the days 40, date units 41 and date dozens 42, intended to be secured, respectively, of the day indicator discs, date units and dozens of days (not shown).
• the angular positioning of each of the stars is provided by a jumper 44, in a known manner.
• the watch movement comprises a roadway 46 and a hour wheel 48, kinematically connected by a timer mobile 50.
• the latter drives a control mobile 52, via a reduction mobile 54, dimensioned so that the control mobile makes a turn on itself in twenty four hours, in a known manner.
• the control mobile 52 comprises a cam 56 in spiral arranged to cooperate with a spout 58 of a control lever 60 pivotally mounted on a frame member of the watch movement (in principle a plate, not shown).
• the control rocker 60 comprises two fingers 61, 62 arranged to act respectively on the star of days 40 and a programmed wheel 64.
• the stability of the angular position of the programmed wheel 64 is also provided by an additional jumper 66.
• the programmed wheel 64 comprises two teeth 68, of thirty-one teeth, and 69, of four teeth, arranged to act respectively on the star of date units 41 and dozens of date 42.
• the day star 40 and the programmed wheel 64 are driven one step per day to change the day and the date displayed.
• the actuating mechanism described in connection with Figure 1 is integrated with the watch movement shown in Figures 2 to 4 to fulfill the function of a correction mechanism of the indication of the day of the week and the date.
• the first mobile 1 and the latch 3 are arranged in the central region of the watch movement so that the second spout 26 of the latch 3 is located within the range of the teeth of the star of the days 40 and that the third spout 30 is located within reach of the teeth 68 of the programmed wheel 64.
• FIGS. 2 and 3 illustrate the operating kinematics of the actuating mechanism according to the present invention when it is implemented to effect the correction of the date.
• the first mobile 1 is driven in the anticlockwise direction and causes the latch 3 in the same direction.
• the third spout 30 then comes into contact with the toothing 68 of the programmed wheel to induce a rotation of the latter in the clockwise direction of rotation, or to increment the displayed date value.
• the jump of the date is in progress, the third spout 30 bearing against a tooth of the toothing 68 to oppose the force exerted by the jumper 66.
• the recess 28 of the flip-flop 3 avoids a collision of the latter with the mobile timer, during the correction of the date.
• Figure 3 illustrates the configuration at the end of the jump, when the jumper 66 has resumed a stable position between two teeth of the toothing 68, while the tooth 8 acting on the first spout 24 is about to release the latter to allow the rocker 3 to resume its rest position, under the effect of the action of the elastic member 34.
• the return of the rocker to its rest position is possible because the second toothing 12 of the first mobile has a sufficiently large pitch, here three times that of the first toothing 10 for illustrative non-limiting, so that the first spout 24 of the rocker can be housed between two consecutive teeth 8.
• FIG. 4 illustrates the operating kinematics of the actuating mechanism according to the present invention when it is implemented to effect the correction of the day of the week.
• the first mobile 1 is driven in the clockwise direction and drives the lever 3 in the same direction, by pressing a tooth 8 on the first nozzle 24.
• the corresponding timepiece comprises an external control member, advantageously a rotating winding and / or time-setting ring capable of occupying a plurality of axial positions, in a known manner.
• an external control member advantageously a rotating winding and / or time-setting ring capable of occupying a plurality of axial positions, in a known manner.
• one of these axial positions may be provided so as to establish a kinematic connection, in particular by means of a sliding pinion, between a rod integral in rotation with the winding crown and the first mobile 1. Therefore, each direction of rotation of the ring is associated with a particular direction of rotation of the first mobile 1, in order to correct either the date or the day of the week.
• the skilled person can also adapt the gear ratio of this kinematic link according to its own needs, as well as the pitch of the second toothing 12 of the first mobile 1.
• the number of truncated teeth 6 provided between two consecutive solid teeth 8 must be sufficient to allow the latch 3 to resume its rest position between two successive actuations. In addition to the shape and dimensions of the first nozzle 24, this number depends in particular on the diameter of the first mobile 1. Note however that in the illustrated case, by way of non-limiting example, this number of truncated teeth 6 located between two successive solid teeth 8 could be equal to or greater than one, in general, without departing from the scope of the present invention. . Alternatively or additionally, the number of full teeth may be equal to or greater than one. In the case of a smaller number of full teeth, it is simply necessary to further turn the winding crown to perform correction increments.
• an actuating mechanism comprising a first mobile comprising two sets of teeth, one to allow training and the other for driving a second mobile arranged to pivot, under the effect of the action of an elastic member, between a rest position and at least one actuating position, in which it is likely to act on an additional mechanism, without departing from the scope of the present invention.
• the two teeth of the first mobile can be alternately made by the assembly of two superimposed wheels made integral in rotation with one another.
• the two levels defined by these teeth are levels taken in the radial direction of the teeth, that is to say that the teeth of one of the two teeth are longer than those of the other.
• the first mobile has a single toothing, some teeth are truncated.
• the flip-flop 3 is arranged to actuate only one additional mechanism, either in one direction with a single spout, or in two opposite directions.
• the rocker having in this case two beaks arranged to act in two opposite directions on the same mechanism.
• the present invention is not limited to a first mobile having the shape of a wheel. Indeed, it is possible to implement the features that have just been described on a rack or on a rake without departing from the scope of the invention, for example. Similarly, the driven mobiles 40 and 64 could also present linear displacements without departing from the scope of the present invention.

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Electromechanical Clocks (AREA)

Applications Claiming Priority (2)

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Family Cites Families (10)

• 2011
  • 2011-03-23 FR FR1152401A patent/FR2973122B1/fr active Active
• 2012
  • 2012-03-23 WO PCT/EP2012/055267 patent/WO2012127053A1/fr active Application Filing
  • 2012-03-23 EP EP12717213.8A patent/EP2710433A1/de not_active Withdrawn
• 2013
  • 2013-09-23 US US14/034,362 patent/US20140022872A1/en not_active Abandoned

Non-Patent Citations (1)

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