G04B27/001

DEVICE FOR MANUALLY CONTROLLING A MECHANISM FOR A TIMEPIECE

A device for manually controlling a timepiece mechanism includes two counteracting manual corrector actuators to be operated by a user and to control a correction wheel set in opposing movements. Each actuator sets in motion an associated corrector having a beak to bear against a relief of the correction wheel set and to cause the correction wheel set to move when the actuator is moved over its full path of travel. The manual control device includes a locking lever mechanism arranged to prohibit an action of one of the actuators on the correction wheel set when the other actuator is engaged and interacting with the correction wheel set. The locking lever mechanism includes a locking lever driven in rotation during the engagement of one of the actuators to limit the travel of the other actuator and to prevent the corrector associated therewith from accessing the correction wheel set.

Correction device for a timepiece

A correction device for a timepiece, including a differential gear having a first input, a second input and an outlet output, wherein: — the first inlct input is arranged to be driven by a timepiece movement; — the second input is kinematically linked with a corrector gear extending from a control member and including a clutch for establishing and interrupting the kinematic link between the control member and the second input; — the output is arranged to drive a display device of the timepiece movement, the angular position of the output being defined on the basis of the angular position of the first input as well as on that of the second input, wherein the correction device further includes a memory cam desmodromically linked with the second input, in that the memory cam experiences a return force provided by a resilient member tending to maintain the memory cam in at least one predetermined angular position when the kinematic link between the control member and the second input is interrupted, the resilient member also being arranged to allow a rotation of the second input under the control of the control member when the kinematic link is established during the use of the correction device, and in that the correction device is arranged so that the incidence of the rotation of the second input during a correction on the angular position of the output is removed when the memory cam is located in the at least one predetermined angular position.

SELECTION AND ACTUATION DEVICE FOR A PLURALITY OF FUNCTIONS OF A WATCH MOVEMENT
20220326658 · 2022-10-13 ·

A selection and actuation device for at least a first and second function of a watch movement includes a translationally and rotationally movable control stem respectively selecting and actuating at least one of the functions. The control stem occupies at least first, second and third distinct, successive axial positions. An actuating lever bears first and second wheels and pinions. The actuating lever occupies a neutral position when the control stem is in one of its first and third positions, and pivots, on either side of the neutral position, between a first driving position actuating the first function responsive to control stem rotation in a first direction, and a second driving position actuating the second function responsive to a control stem rotation in a second direction. Also disclosed is a movement including such a selection and actuation device as well as to a timepiece including such a movement.

Timepiece display mobile component with friction adjustment mechanism
11467539 · 2022-10-11 · ·

Timepiece display mobile component (1) comprising at least one resilient strip (4) returned to a display axis (DA), to cooperate in a friction drive with an arbor (2) of a drive mobile component (3) of a movement (100) or a mechanism, about the axis (DA), this mobile component (1) includes a flange (5) comprising, facing each resilient strip (4), an aperture (6) for the insertion and guidance of a manual or robotic tool to allow the tool to move the resilient strip (4) away from its rest position, and to insert the mobile component (1) on an arbor (2) when the resilient strip (4) is sufficiently far away to allow this mobile component to pass, and to ensure a constant friction value of all the resilient strips (4) on the arbor (2) when they are in frictional cooperation with the arbor (2) and when the tool is no longer in contact with the resilient strips (4).

SYMPATIQUE WATCH AND CLOCK FORMING A SYMPATIQUE HOROLOGICAL ASSEMBLY AND METHOD FOR SETTING THE TIME OF THE WATCH OF SAID SYMPATIQUE HOROLOGICAL ASSEMBLY
20230205140 · 2023-06-29 · ·

A sympatique watch (30), including a horological movement to which are connected a watch hour (31) and minute display (32), including a barrel (33), a resonator (34), a time-setting mechanism, a coupling mechanism (38) to separate a display train (35) and a finishing train (36), a stop mechanism (37) of a resonator (34), and a reset mechanism to move each hour (31) and minute display (32) in a predetermined reference position. The watch includes a first and a second actuator (310, 320) cooperating with a first and a second actuator (210, 220) of the clock (20). The first actuator can occupy three successive distinct positions to act on the coupling mechanism (38), the stop mechanism (37) and the reset mechanism. The second actuator can occupy two end positions alternately to act on the time-setting mechanism, only when the first actuator (310) occupies one of its successive distinct positions.

HOROLOGICAL MOVEMENT COMPRISING A STOP-SECONDS FUNCTION THAT CAN BE OPERATED FROM TWO SEPARATE ACTUATING MEMBERS
20230205138 · 2023-06-29 · ·

A horological movement including a seconds wheel set, a power source, and a regulator (13) to regulate the motion of the seconds wheel set. The movement includes a control mechanism (20) to take an active state wherein it cooperates with the regulator (13) to immobilise it and with the seconds wheel set for driving it such that it rotates into a predefined position. The control mechanism (20) is adapted to take an inactive state wherein it releases the regulator (13) such that the latter is able to regulate the motion of the seconds wheel set, and the seconds wheel set so as to authorise the displacement thereof. The mechanism (20) includes two motion transmitting modules, each to be connected to a specific actuating member, and each being driving the control mechanism (20) between the inactive state and active state upon operation of the actuating member to which it is connected.

Timepiece and method for manufacturing timepiece
09791832 · 2017-10-17 · ·

A timepiece includes a winding stem, a calendar correction transfer wheel that rotates in synchronization with the winding stem in a state in which the winding stem is pulled to a first-step position, a calendar corrector wheel that rotates in synchronization with the calendar correction transfer wheel, a setting wheel lever that supports the calendar correction transfer wheel and the calendar corrector wheel, and a date indicator that rotates in synchronization with the calendar corrector wheel. The setting wheel lever is provided with shaft receiving holes to which the calendar corrector wheel is attachable in a rotatable manner, and the calendar corrector wheel is attached to one of the shaft receiving holes in accordance with the type of the date indicator.

Disengagement of two gear trains
11733654 · 2023-08-22 · ·

A timepiece mechanism (100) for disengaging a gear train. The timepiece mechanism (100) includes a gear set (110), a disengagement member (120), a holding member (121) and a control member (130). The gear set (110) includes a first wheel (111), a second wheel (112) and an intermediate wheel (113) configured to be driven by or for driving the first wheel (111) and/or for driving the second wheel (112). The holding member (121) holds the first wheel (111) and/or the second wheel (112) when the disengagement member (120), controlled by the control member (130), moves the intermediate wheel (113) between an engaged position (101) and a disengaged position (102). Hence the timepiece mechanism (100) is held in position while disengaging the watch mechanism.

CONTROL DEVICE FOR A TIMEPIECE
20230305491 · 2023-09-28 · ·

A control device (1) for a timepiece (200) includes: an input (2), intended to be rotated by action of a user in a first direction or in a second direction, a first unidirectional connector (3), intended to mechanically connect the input (2) to a first mechanism (5) providing a first timepiece function, and a second unidirectional connector (4), intended to mechanically connect the input (2) to a second mechanism (6) providing a second timepiece function, the first unidirectional connector (3) arranged and/or configured to drive the first mechanism (5) exclusively when the input is manoeuvred in the first direction, the second unidirectional connector (4) arranged and/or configured to drive the second mechanism (6) exclusively when the input is manoeuvred in the second direction, the first unidirectional connector (3) having first toothings (321, 331) which interact irreversibly and/or the second unidirectional connector (4) having second toothings (421, 431) which interact irreversibly.

Timepiece mechanism for returning the seconds hand to zero with a snail cam

A timepiece mechanism for returning the seconds hand to zero, which includes a seconds arbor; a seconds hand; a cam forming a snail cam path which extends in a spiral around the seconds arbor from an inner end to an outer end connected to each other by a radial stop surface; a hammer carrying a cam follower, rotatably mounted about a hammer axis between a disengaged position wherein the cam follower is removed from the cam path and an engaged position wherein the cam follower presses on the cam path; a retaining ratchet system including a toothed wheel and a click which engages with the toothed wheel.