115results about "Mechanical devices for setting time" patented technology

A friction system (100) for a horology movement including: an arbor (1) with a longitudinal axis (L) including: a first fixed element (2) mounted so as to rotate integrally with the arbor (1) and having a first support surface (40); a second fixed element (7) mounted so as to rotate integrally with the arbor (1); a toothed organ (3) mounted so as to rotate freely on the arbor (1) between the first fixed element (2) and the second fixed element (7). The toothed organ (3) is integral with a socket coupling (4) having a second support surface (42), and the second fixed element (7) includes a body (72) configured to rotate integrally with the arbor (1) and resilient brackets (71) protruding relative to the body (72) and extending towards the toothed organ, the resilient brackets (71) being resiliently pressed against the second support surface (42) of the socket coupling.

A horological mechanism (1000) with a first train (100) and a first output wheel set (101), a second train (200) and a second output wheel set (102), for alternately displaying on a display (800, 8, 28) a first and a second indication respectively specific to the first train and second train, by a switching and coupling mechanism (500), including two input wheel sets (1; 2) connected to the output wheel sets, which includes a sliding wheel set (5) capable of moving under constant strain between the two input wheel sets, and cooperating alternately and exclusively with either one, selected under the action of a command from a user, to establish a driving connection between the input wheel set engaged with the sliding wheel set at the given moment in time, and a display (800, 8, 28) to produce a switchable display.

The disclosure provides an example watch. The watch includes (a) a housing having a first face and a second face and a cavity extending therebetween, where the first face includes a first bezel coupled to a first transparent watch crystal, (b) a disc disposed within the cavity between the first face and the second face and coupled to the housing, where the disc comprises a watch face for indicating time, and (c) a case cap removably coupled to the second face of the housing, where the case cap includes a casing having a first side configured to mate with the second face of the housing and a second side configured to be engraved.

The embodiment of the utility model provides a crown and wearable equipment, and relates to the technical field of wearable equipment, a rotating structure of the crown is provided with a first end and a second end which are opposite in a first direction, the second end is provided with a mounting groove, the outer surface of the rotating structure is provided with a first indication layer, and a pressing structure is detachably connected with the first end of the rotating structure. The outer surface of the pressing structure is provided with a second indicating layer, the first indicating layer is different from the second indicating layer, the rotating shaft is provided with a connecting end, and the connecting end is located in the mounting groove and detachably connected with the side wall of the mounting groove. The utility model provides a watch crown. According to the watch crown provided by the embodiment of the invention, the quality of the first indication layer and the second indication layer can be improved, so that the distinguishing degree of the rotating structure and the pressing structure is ensured, the manufacturing efficiency of the first indication layer and the second indication layer can be improved, and the production efficiency and quality of the watch crown can be improved. And the production efficiency and quality of the wearable equipment can be improved.

The present invention relates to a display device (2) for a clock movement, the display device comprising a movable time indicator (52) for displaying the time in a predetermined time zone, and a frame (10) intended to pivot to display information in interaction with a fixed display relative to the casing of the clock movement, the respective angular positions of the frame (10) and the movable time indicator (52) being indexed relative to one another in such a way that the angular position of the frame (10) is related to the display of information relating to the predetermined time zone, the device (2) further comprising a selection mechanism configured to: in response to a predetermined action by a user, rotate the time indicator (52) between a first position associated with a first time zone and a second position associated with a second time zone; and simultaneously rotate the frame (10) in steps such that the frame moves from the first position associated with the first time zone to the second position associated with the second time zone.

The invention relates to a lockable crown (10) for a timepiece comprising a middle shell (100) embedded with a cavity (102) opening on a lateral flank (101) of the middle shell and communicating via an opening (106) with a central space (103) intended for a frame. The lockable crown (10) comprises a crown (12), a shank (14) rigidly attached to the crown (12), a tube (20) mounted on the shank (14) and intended to be fastened in an opening (106) of the intermediate shell (100), and a locking mechanism (30) intended to be mounted around the tube (20) in a cavity (102) of the intermediate shell (100). The locking mechanism (30) comprises a locking member (40), an actuator (48) and a lock (50) having a plurality of combination elements (60, 70, 80) pivotally mounted around the tube (20) and rotatably actuatable via the crown (12) when the crown is mounted on the intermediate shell (100) and rotated in one direction or the other. The locking member (40) is configured to assume a locked position and an unlocked position in which the crown (12) is translationally locked or released. The locking part (40) is intended to be actuated by an actuator (48) from a locked position to an unlocked position when all the combined elements (60, 70, 80) are arranged in a predetermined angular position. The invention also relates to a timepiece comprising a lockable crown (10).

The invention relates to a correction device (1) for correcting an indication provided by a display mechanism of a timepiece movement equipped with the display mechanism, said display mechanism comprising an indication wheel (2), said indication being alterable by actuation of said indication wheel (2), characterized in that said correction device (1) comprises a correction member (3) and a rotatably movable lever (5), the correction member (3) is movable between two positions as a rest position and a correction position, and the correction member (3) is configured to rotate the indication wheel (2) when the correction member (3) is in the correction position, the lever (5) comprising a first end (23), the first end (23) is configured to press against the correction member (3) to move the correction member (3) from a rest position to a correction position. The invention also relates to a timepiece movement comprising such a correction device (1).

One aspect of the invention relates to a watch assembly (2000) comprising a watch (1000), and an adjustment tool (200) pivoting an external drive wheel (20) around an external axis (DE) comprising an external multipolar magnet (21) cooperating, to perform an adjustment, with an internal multipolar magnet comprising an internal control wheel (1) of the watch (1000) pivoting around a first axis (D1) and meshing with the input of a reduction gear (30) whose output meshes with an internally controlled wheel pivoting in the case (10), this adjustment tool (200) comprising means for counting the number of turns of the drive wheel (20) to precisely determine the pivot angle of the internally controlled wheel and / or means for determining and / or visualizing the angular position of the internally controlled wheel.

To provide a horological movement with a plurality of functions that can be easily and quickly corrected.SOLUTION: A horological movement 10 includes a driving wheel set 11 linked to drive first and second displays 20 and 30 of a time value, and a mechanism for adjusting positions of the displays 20 and 30. The mechanism for adjusting includes a control member 50 engaged with a sliding-gear assembly 40, drives the sliding-gear assembly 40 to a first correction position so as to change the position of the first display 20 when urged in a first rotation direction, and drives the sliding-gear assembly 40 to a second correction position so as to change the position of the second display 30 when urged in a second rotation direction. A click wheel 211 can move in a plane orthogonal to its rotation axis when the control member 50 is operated to change the position of the first display 20, so as to interrupt the kinematic link between the first display mechanism 200 and the driving wheel set 11.SELECTED DRAWING: Figure 1

The invention relates to a display device (2), for a timepiece movement, comprising a moving time display (52) which displays the time in a predefined time zone, a frame (10) intended to pivot so as to interact with fixed indicators with reference to the casing of the timepiece movement in order to display information, the respective angular positions of the frame (10) and the moving time display (52) being indexed relative to each other such that the angular position of the frame (10) is associated with the display of information relating to the predefined time zone, the device (2) further comprising a selection mechanism configured to: - rotate the moving time display (52), in response to a predefined action by a user, between a first position associated with a first time zone and a second position associated with a second time zone, and - at the same time, rotate the frame (10) in steps, such that it moves from a first position associated with the first time zone to a second position associated with the second time zone.

To transmit high torque, to facilitate manufacture, and to provide easily manageable reproducibility of applied friction torque.SOLUTION: An arbor 1 having a longitudinal axis L, a first fixing element 2 having a first bearing surface mounted to rotate integrally with the arbor, and a second fixing element 7, a toothed part 3 being mounted to rotate freely on the arbor between the first fixing element and the second fixing element, the toothed piece is integral with a socket joint 4 having a second bearing surface 42, and the second fixing element comprises a body 72 and an elastic bracket 71 projecting from the body and extending towards the toothed piece, the elastic bracket being designed to be elastically pressed against the second bearing surface and to deform elastically under strain to form a kinematic linkage both between the first fixing element and the toothed piece, and between the second fixing element and the socket joint integral with the toothed piece, up to a predetermined friction torque.SELECTED DRAWING: Figure 2

The invention provides a crown and a timepiece, which can improve the quality of an internal thread of a thread locking type crown, and can improve the operability during thread locking and the durability of the thread. The crown has a crown body and a ring member. The crown body is integrally formed with a bottomed cylindrical head portion having a bottom portion and a cylindrical portion, and a shaft portion extending from the bottom portion and disposed in the cylindrical portion. A thread is machined on the inner circumferential surface of the ring member, and the ring member is disposed along the inner circumferential surface of the cylinder portion and fixed to the head portion.

The invention relates to a friction system (100) for a clock movement comprising: a shaft (1), with longitudinal axis (L), a first fixed element (2), mounted rotationally fixed on the shaft (1); said first fixed element (2) having a first bearing surface (40); a second fixed element (7) mounted rotationally fixed on the shaft (1); a toothed member (3), mounted freely in rotation on the shaft (1) between the first fixed element (2) and the second fixed element (7);characterized in that the toothed member (3) is integral with a sleeve (4) having a second bearing surface (42), and in that the second fixed element (7) comprises a body (72) configured to be rotationally integral with the shaft (1) and elastic tabs (71), projecting from the body (72) extending in the direction of the toothed member (3), said elastic tabs (71) being in elastic contact with said second bearing surface (42) of the sleeve (4), said elastic tabs (71) being arranged to deform elastically under stress from the second bearing surface (42) and to form a kinematic connection both between the first fixed element (2) and the toothed member (3) and between the second fixed element (7) and the sleeve (4) integral with the toothed member (3) up to a predetermined friction torque.

The present invention relates to a member (1) for controlling at least one function of a timepiece movement, comprising a crown (2) comprising a head (6) and a central rod (10) rigidly connected to the head (6) and intended to be rigidly connected to a control rod, and a guide tube (4), having a longitudinal axis A, in which the central rod (10) is mounted such that it can rotate axially according to the axis A, the crown (2) being arranged such that it can rotate axially in at least one direction between at least one stable, neutral, angular position and at least one unstable, angular actuation position in which the first function can be actuated via the control rod. The control member (1) comprises a device for automatically bringing the crown (2) from its actuation position back to its neutral position, comprising a first tubular cam (30) mounted around the central rod (10) such that it is rigidly connected thereto, and a second tubular cam (32) which is housed inside the guide tube (4), and is mounted such that it can freely translate axially on the central rod (10) and arranged so as to be able to essentially slide axially within the guide tube (4) and to cooperate with a spring (34) provided in said guide tube (4), the first and the second cam (30, 32) having working surfaces (30a, 32a) arranged to be in contact with one another at least when the crown (2) is in its neutral position, the working surfaces (30a, 32a) having a profile obtained by having at least one plane inclined on the axis A intersect the first and second cams (30, 32) such that, by the cooperation of the working surfaces (30a, 32a), an axial rotation of the first cam (30) via a rotation of the crown (2) into its actuation position results in an axial translation of the second cam (32), compressing the spring (34), and such that an axial translation of the second cam (32) returned by the spring (34), when the rotation into the actuation position ceases, results in an axial rotation of the first cam (30), which automatically returns the crown (2) to its neutral position. The present invention also relates to a timepiece comprising at least one such control member.

A vibratory-actuated drive device (1, 10, 20, 30, 40) for a horology movement, the drive device (1, 10, 20, 30, 40) including a rotationally mobile organ (2, 12) with toothing (3, 33) enabling it to be set in motion, at least two mobile oscillators (4, 5) arranged to mechanically engage with the mobile organ (2, 12), each mobile oscillator (4, 5) being configured to oscillate at a different predetermined frequency when the drive device (1, 10, 20, 30, 40) vibrates at said predetermined frequency, each mobile oscillator (4, 5) being provided with a tooth (21) capable of striking the toothing (3) on the mobile organ (2, 12) to drive it when the oscillator (4, 5) oscillates at its predetermined frequency.

The invention relates to a timepiece mechanism comprising an oscillator (1) with a flexible pivot, and a stop device (6) for stopping the oscillator (1), the oscillator (1) comprising: a base (20) for attaching the oscillator (1) to a stationary or mobile frame of a timepiece movement; an oscillating member (3, 21, 4) intended to oscillate in rotation about a virtual axis of rotation (A), the oscillating member (3, 21, 4) comprising a radial element (31, 21, 4) with respect to the virtual axis of rotation (A), the radial element (31, 21, 4) comprising at least one stop element (5a; 5a, 5b); and a flexible pivot (2a, 2b) for suspending the oscillating member (3, 21, 4) from the base (20) and defining the virtual axis of rotation (A); the stop device (6) comprising: a stop member (7) with at least one abutment (71); the stop member (7) being configured to be movable between an active position in which the at least one abutment (71) engages with the at least one stop element (5a; 5a, 5b) to lock the oscillating member (3, 21, 4) in a predetermined position in which the elastic return force of the flexible pivot (2a, 2b) is non-zero, and an inactive position in which the at least one abutment (71) is spaced apart from the path travelled by the at least one stop element (5a; 5a, 5b) during the oscillation of the oscillating member (3, 21, 4), the stop member (7) being configured such that, during the movement of the stop member (7) in a first direction from the inactive position to the active position, the at least one abutment (71) follows a circular trajectory centred about an axis parallel to the virtual axis of rotation (A), the at least one abutment (71) and the at least one stop element (5a; 5a, 5b) being configured so that, when the at least one abutment (71) engages with the at least one stop element (5a; 5a, 5b) to lock the oscillating member (3, 21, 4), the force exerted by the at least one abutment (71) on the at least one stop element (5a; 5a, 5b) is essentially tangential with respect to the rotational movement performed by the at least one stop element (5a; 5a, 5b) during the oscillation of the oscillating member (3, 21, 4), the stop member (7) being further configured to be returned from the active position to the inactive position in a second direction opposite to the first direction. The invention also relates to a timepiece movement comprising such a timepiece mechanism, and to a timepiece comprising such a timepiece movement.

The clockwork device (10) according to the invention comprises a moving part (26) and a partner component (42). The moving part (26) comprises coaxial first and second elements (12, 20). The first element (12) has teeth for its drive and is arranged to rotate the second element (20). The clockwork device (10) is arranged to assume a first state in which the moving part (26) and the partner component (42), separated from each other, cannot interact, and a second state in which the second element (20) and the partner component (42) are in contact with each other. The first and second elements (12, 20) are connected by an elastic member (40) allowing them to be positioned angularly relative to each other, this elastic member (40) allowing a relative movement of the first and second elements (12, 20), in order to avoid blocking the mobile (26), when the second element (20) and the partner member (42) come into contact.

The present invention relates to a device for setting the hands of a clock comprising a first hand, a second hand, a clockwork mechanism, and a crown (1) with a winding stem (2). The crown is provided for switching between a normal position and an adjustment position for setting the first hand. It comprises a gear (3), a pawl (4), and a spring (5). In the adjustment position, the position of the second hand is static. When the crown is turned, the gear rotates, and the pawl (4) slides along the teeth of the gear as the gear rotates, allowing the first hand to be adjusted only in discrete steps. The proposed solution enables precise and incremental adjustment of the first hand and prevents asynchrony between the first and second hands.

A device (1) for correcting an indication provided by a display mechanism for a horology movement fitted with a display mechanism including an indicator wheel (2), the actuation of the indicator wheel (2) making it possible to change the display indication. The correction device (1) includes a correction organ (3) that is mobile between two positions around a rotational pivot (12), a locked position and a correction position, the correction organ (3) being configured to turn the indicator wheel (2) when the correction organ (3) is in the correction position, and a rotationally mobile lever (5) including a first end (23) configured to press against the correction organ (3) to move it from the locked position to the correction position. Also, a horology movement including such a correction device (1).

The present invention provides an adjustment system equipped with a mechanical vibrator stop device that stops the vibrator at a predetermined angular position and quickly and accurately resumes operation. [Solution] An adjustment system, wherein the stop device 150 comprises a retaining member 151 fixed to the balance wheel 121, the retaining member 151 is configured to engage with a stop pawl 155 rotatably attached to one end of a stop lever 152, the stop lever 152 is movable between a non-operating position that allows free vibration of the mechanical oscillator 120 and an operating position where the stop pawl 155 is on the track of the retaining member 151, the stop pawl 155 is configured such that when the stop lever 152 is in the operating position, the retaining member 151 moves in the rotational directions S1, S2 of the current half-oscillation of the balance wheel 121 when the stop device 150 is operated and locks the rotation of the balance wheel 121 in the reverse rotational direction S2, S1 of the next half-oscillation, the stop pawl 155 forms a stop for the movement of the retaining member 151.

A mechanism for displaying the phases of the moon and the day of the week (1) intended to be driven step by step by a clockwork movement of a timepiece, the mechanism for displaying the phases of the moon and the day of the week (1) comprising a moon phase display mechanism (2), a day of the week display mechanism (3) and a one-way clutch mobile (4) kinematically linking the moon phase display mechanism (2) and the day of the week display mechanism (3) such that when, in normal operation, one of the moon phase display mechanisms (2) or the day of the week display mechanism (3) is advanced by one step in a direction of travel it drives the other of the day of the week display mechanism (3) or the moon phase display mechanism (2) via the one-way clutch mobile (4) to advance it by one step,and that when at least one of the moon phase display mechanism (2) or the day of the week display mechanism (3) is advanced by one step in at least one direction, it does not cause the other of the day of the week display mechanism (3) or the moon phase display mechanism (2) to advance.

The present invention relates to a timepiece mechanism (10) with instantaneous jump for the successive display of a sequence of time information. The mechanism comprises a wheel (12) connected directly or indirectly to a display comprising said sequence of information, a jumper (14) engaged with the wheel (12), a cam (40) arranged to rotate 360° during a determined period, a lever (20) comprising a cam follower (28) as well as a constraint member (30) arranged to force the cam follower (28) against the cam (40). The profile of the cam (40) is determined so as to pivot the lever (20) in a first direction of pivoting and then cause the lever (20) to jump instantaneously in an opposite direction of pivoting. The lever (20) further comprises a pinion (24) mounted so as to be free to rotate and configured to be, at least temporarily, engaged with the wheel (12) and engaged with a pawl (26) allowing the pinion (24) to rotate in only one direction. The rotation of the pinion (24) at the periphery of the wheel (12) is caused by the pivoting of the lever (20) in the first direction of pivoting while the wheel (12) is driven through a predefined angular pitch increment via the pinion (24) locked by the pawl (26) during the instantaneous jump of the lever (20) in the opposite direction of pivoting.

To eliminate any risk of damage to a horological movement when watch hands are set.SOLUTION: A hand-setting device 10 for a watch includes a winding stem 11. The winding stem 11 is configured to occupy a hand-setting position in which the winding stem 11 is engaged with a hand-setting gear train 20 kinematically connected to a time display 30 and a 24-hour wheel 31. The 24-hour wheel 31 is engaged with a barrel 40 including a main spring 40 for supplying energy for displaying a time value, the barrel 40 includes a click mechanism 41, and the click mechanism 41 is configured to permit rotation of the barrel 40 through more than one revolution when the winding stem 11 is rotated in a first direction, and to limit rotation of the barrel 40 to an angular amplitude corresponding to less than one revolution when the winding stem 11 is rotated in a second direction.SELECTED DRAWING: Figure 1

The invention relates to a timepiece mechanism (10) with instantaneous jumps for continuously displaying a sequence of time information. The mechanism comprises: a wheel (12) directly or indirectly connected to a display comprising said sequence of information; a wheel pawl (14) engaged with the wheel (12); a cam (40) arranged to rotate 360 degrees during a predetermined period of time; comprising a cam follower (28); and a constraining member (30) arranged to force the cam follower (28) against the cam (40). The profile of the cam (40) is determined to pivot the lever (20) in a first pivot direction and then instantaneously jump the lever (20) in an opposite pivot direction. The lever (20) further comprises a pinion (24) mounted to be freely rotatable and configured to engage at least temporarily with the wheel (12) and with the pawl (26) to allow the pinion (24) to rotate only in one direction. Rotation of the pinion (24) at the periphery of the wheel (12) is caused by pivoting of the lever (20) in a first pivoting direction while the wheel (12) is driven through a predetermined angular pitch via the pinion (24) locked by the pawl (26) during an instantaneous jump of the lever (20) in the opposite pivoting direction.