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81results about "Gear train" patented technology

Mechanism for a striking timepiece

The invention relates to a mechanism (100) for a striking timepiece, comprising: - a first cannon pinion (1); - a second cannon pinion (2); - a geared connection (14, 15, 21) between the first cannon pinion (1) and the second cannon pinon (2); and - a device (16) for compensating clearance in the geared connection. The geared connection (14, 15, 21) between the first cannon pinion (1) and the second cannon pinon (2) comprises: - a first gear (15) attached to the first cannon pinion (1); - a second gear (14) mounted pivotably relative to the first cannon pinion; and - a third gear (21) attached to the second cannon pinion (2), wherein the first and second gears mesh with the third gear, and the clearance compensation device (16) in the geared connection is arranged so as to exert a return force from the first and second gears against: - the opposing faces of at least one tooth of the third gear (21); and / or - the adjacent faces of at least two consecutive teeth of the third gear (21).
Owner:BULGARI HORLOGERIE SA

Adjustment system for display mechanism

The invention relates to an adjustment system for a display mechanism, the adjustment system comprising:-a wheel (1) arranged to pivot together with a spindle (2), the wheel having a peripheral portion (10) defining a central opening (11) for receiving the spindle (2); display means (3) for displaying information, rigidly connected to the peripheral portion; characterised in that said adjustment system comprises friction means comprising:-a friction portion at said central opening (11), which friction portion comprises a friction region (12, 13) around said spindle (2) in order to hold the wheel on said spindle; -at least two elastically deformable arms (4, 5) connecting a friction to a peripheral portion (10) of the wheel (1) in order to clamp the spindle and prevent the wheel from rotating and / or translating on the spindle below a predetermined force.
Owner:MONTRES BREGUET SA

Pallet for timepiece escapement

An escapement fork for a timepiece escapement mechanism (10, 10 '), comprising a fork (400, 400'); according to the invention, the fork has two first portions (411a, 421a; 411a ', 421a'), i.e. Pulse portions, which are arranged opposite one another and are arranged so as to generate a pulse from at least one escape wheel (1, 2; 1 ', 2') to an inertia member, characterized in that the fork member (400; 400 ') comprises two second portions (411b, 421b; 411b ', 421b'), i.e. A stop portion, which second portions are arranged opposite each other, each second portion being arranged relative to the first portion (411a, 421a; 411a ', 421a'), and each second portion is arranged to abut against the inertial member when the timepiece movement is impacted in a stationary phase.
Owner:ROLEX SA

Mechanism for a striking timepiece

The mechanism (100) for a striking timepiece includes a first, and a second cannon pinions, a geared connection (14,15,21) between the first (1) and second (2) cannon pinions, and—a device (16) for compensating clearance in the geared connection. The geared connection (14,15,21) includes a first gear (15) attached to the first cannon pinion (1),—a second gear (14) mounted pivotably relative to the first cannon pinion, and—a third gear (21) attached to the second cannon pinion (2). The first and second gears mesh with the third gear, and the clearance compensation device (16) in the geared connection is arranged so as to exert a return force from the first and second gears against the opposing faces of at least one tooth of the third gear (21) and / or—the adjacent faces of at least two consecutive teeth of the third gear (21).
Owner:BULGARI HORLOGERIE SA

Timepiece driving device

Timepiece driving device (100), in particular for an instantaneous jump calendar system, the device including; an input mobile (13); a main cam (11) having a main cam profile, and connected to the input mobile either (i) with angular backlash or (ii) via a unidirectional coupling; an auxiliary cam (12) connected to the input mobile, and having an auxiliary cam profile; a cam follower (21) adapted to cooperate with the main cam profile and / or with the auxiliary cam profile; and an energy accumulator (22) elastically biasing the cam follower toward the main cam profile and toward the auxiliary cam profile, the timepiece driving device (100) being arranged so that the cam follower (21) comes substantially into contact with the auxiliary cam profile immediately at the end of the driving of the main cam (11) by action of the energy accumulator (22) on the main cam (11) via the cam follower (21).
Owner:ROLEX SA

Electromechanical timepiece movement comprising wheel set carrying display member and provided with braking device

Comprising a wheel set carrying a display member and provided with a braking device. An electromechanical timepiece movement (2) is disclosed comprising an electromechanical motor (54), a display wheel set (30) arranged to be rotated by the electromechanical motor and comprising a stem (36) intended to carry display hands (48), and a braking device associated with the display wheel set and comprising a brake spring (10) and a gasket (8) arranged between the brake spring and the stem of the display wheel set, the brake spring is arranged so as to be able to generate a brake torque on the display wheel set via the washer pressed by the brake spring once the display wheel set is subjected to a rotational drive torque. The washer and the brake spring are arranged such that the washer remains stationary and does not rotate in normal operation. The gasket applies a total compression force to the arbor so as to create a friction force between the lateral surface of the gasket and the revolution surface of the arbor, which generates a braking torque.
Owner:ETA SA MFG HORLOGERE SUISSE

Timepiece movement comprising an escapement provided with a toothed wheel and a retainer

ActiveEP3910426B1GearworksEscapements
The watch movement comprises a mechanical resonator (2) and an escapement (12) including an escape wheel (16), which has a plurality of flexible teeth (42), and an anchor (14) formed of two mechanical pallets (28, 29) which are capable of abutting, when the anchor swings between its two rest positions, any of the flexible teeth depending on the angular position of the escape wheel. Each flexible tooth is arranged so as to be able to flex by undergoing elastic deformation under the action of a radial force that can be exerted by one of the two mechanical pallets abutting that flexible tooth when the escape wheel is in an unfavorable angular position and the mechanical resonator is braked by the anchor.Each tooth has an elastic capacity that allows it to elastically absorb, in a radial direction, most of the maximum mechanical energy that the mechanical resonator can have during the normal operation of the watch movement, so as to avoid breakage or deterioration of the escapement.
Owner:MONTRES BREGUET SA

Timepiece driving device

To provide a timepiece driving device capable of achieving the best time distribution of energy consumption over a rotation period of a driving gear.SOLUTION: Provided is a timepiece driving device 100 of an instant jump calendar system, including: an input movable part 13; a main cam 11 having a main cam profile 11a, 11b, 11c; an auxiliary cam 12 having an auxiliary cam profile 12a; a cam follower 21 capable of cooperating with the profile 11a, 11b, 11c and / or with the profile 12a; and an energy accumulator 22 elastically energizing the cam follower 21 toward the profile 11a, 11b, 11c of the main cam 11 and toward the profile 12a of the auxiliary cam 12, the main cam 11 and the auxiliary cam 12 being arranged such that after the end of the drive of the main cam 11 by the energy accumulator 22 acting on the main cam 11 via the cam follower 21, the cam follower 21 instantly comes into contact or substantially into contact with the auxiliary cam profile.SELECTED DRAWING: Figure 4
Owner:ROLEX SA

Electromechanical horological movement comprising a wheel set carrying a display member and provided with a braking device

An electromechanical horological movement (2) including an electromechanical motor (54), a display wheel set (30) arranged to be rotated by the electromechanical motor and including an arbor (36) intended to carry a display hand (48), and a braking device associated with the display wheel set and including a braking spring (10) and a washer (8) arranged between the braking spring and the arbor of the display wheel set, the braking spring being arranged so as to be able to generate, via the washer against which this braking spring presses, a braking torque on the display wheel set, as soon as this display wheel set is subjected to a rotary drive torque. The washer and the braking spring are arranged so that the washer remains stationary and non-rotating in normal operation.
Owner:ETA SA MFG HORLOGERE SUISSE

Sympatique watch and clock forming a sympatique horological assembly and method for setting the time of the watch of said sympatique horological assembly

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.
Owner:MONTRES BREGUET SA

Holding device for moving part

The invention relates to a holding device for axially holding a moving part (2) of a timepiece movement (100) around a shaft (3), said moving part (2) comprising a barrel (4) arranged to be coaxially mounted on said shaft (3), said holding device comprising a clip (1) for mounting on the barrel (4) of said moving part (2). According to the invention, the clip (1) comprises an elastic retaining structure (10, 11) arranged to cooperate with the barrel (4) and to clamp the barrel on a portion of its outer circumference; the clip (1) comprises a locking beak (12) passing through an opening (41) extending radially inward with respect to the barrel and arranged to cooperate with a slot (30) in the shaft (3) to axially hold the moving part (2) in position.
Owner:ETA SA MFG HORLOGERE SUISSE

Clock drive device

Clockwork drive device (100), in particular for a system (300) for displaying time information or information derived from the time, in particular for an instantaneous jump calendar system, comprising: - an input mobile (13); - a main cam (11) having a main cam profile (11a, 11b, 11c), the main cam (11) being linked to the input mobile (i) with angular play or (ii) via a unidirectional coupling;- an auxiliary cam (12) linked to the input wheel, in particular fixed to or integral with the input wheel, and having an auxiliary cam profile (12a), - a cam follower (21) capable of cooperating with the profile (11a, 11b, 11c) and / or with the profile (12a), and - an energy accumulator (22) elastically returning the cam follower towards the profile (11a, 11b, 11c) of the main cam (11) and towards the profile (12a) of the auxiliary cam (12), the clockwork drive device (100), in particular the main cam and the auxiliary cam, being arranged so that the cam follower (21) comes into contact or substantially into contact with the auxiliary cam profile as soon as the drive of the main cam (11) is complete by an action of the energy accumulator (22) on said main cam (11) via the follower (21) of camel.;
Owner:ROLEX SA

Magnetic drive and / or drive mechanism through a watch case

PendingEP4745679A1GearworksElectric winding
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.
Owner:THE SWATCH GRP RES & DEVELONMENT LTD

A calendar quick-shift mechanism and reed mechanism based on face gear transmission

ActiveCN119247722BGearworksVisual indication
The present invention relates to the technical field of watches, and specifically to a calendar quick-dial mechanism and a spring mechanism based on face gear transmission, wherein the calendar quick-dial mechanism comprises a calendar disk and a calendar quick-dial handle, wherein the calendar disk is rotatably mounted in a base, the calendar disk is provided with face teeth, the calendar quick-dial handle comprises a stem shaft, a calendar quick-dial wheel is fixedly mounted on the stem shaft, the calendar quick-dial wheel meshes with the face teeth, a connecting handle is provided on the stem shaft, a movable and positionable shifting rod is installed in the connecting handle; the spring mechanism comprises a limit spring, the end of the limit spring is fixedly mounted on the base, the front end of the limit spring is equipped with a zirconia bearing through a sleeve, the spring mechanism also comprises an air storage block and a control seat mounted on the base, a first piston and a second piston connected to each other are provided on both sides of the air storage block, the second piston extends into the control seat, a transmission structure and a rotating rod are arranged in the control seat, a push bearing is arranged at the end of the rotating rod, so as to achieve the purpose of increasing the service life of the watch.
Owner:深圳市贝伦斯智能穿戴科技有限公司

A date-settable hand sanitizer

This invention belongs to the field of hand sanitizer technology, and specifically relates to a hand sanitizer with a settable date. It includes a hand sanitizer bottle, a pressing head, and a suction tube. The pressing head is threaded onto the hand sanitizer bottle, and the suction tube is fixedly connected to and communicates with the pressing head. A trigger assembly is located inside the hand sanitizer bottle. A groove is provided on the outer wall of the hand sanitizer bottle, and a fitting block is located within the groove. A timing component is located within the fitting block, with one end extending to the outside of the fitting block and engaging with the trigger assembly. A button battery is installed on the fitting block. The advantages are: this invention allows setting the alarm date, eliminating the need for manual labeling and ensuring date accuracy while preventing overdue replacement.
Owner:南京市江宁医院

Device for timepiece display on several levels

A clockwork display device (100) comprising a first display element (1) and a second display element (2) superimposed above a fixed part (50) comprising a main support surface (51), this second display element (2) is subjected to opposing forces exerted, on the one hand, by lower return means (52) which tend to bring the second display element (2) closer to the first display element (1), and, on the other hand, by upper return means (63) which tend to move the second display element (2) away from the first display element (1) without contact between them or by mechanical spacing means (60) which comprise a support surface (600) ensuring a stop support function on a stop surface (210) of the second display element (2), to limit the stroke of the second display element (2) towards the first display element (1).
Owner:MONTRES BREGUET SA

Timepiece drive device

The timepiece drive device (100), notably for a system (300) for displaying time-based or time-derived information, in particular for an instantaneous-jump calendar system, includes an input mobile (10) which includes a first toothing (10a), a main wheel (11) which includes a second toothing (11a) only over part of the periphery of the main wheel, the second toothing being in meshing engagement with the first toothing, a cam (12) which is connected to the main wheel (11), notably connected to the main wheel (11) with minimum clearance, in particular fixed to the main wheel (11), and which has a cam profile (12a, 12b, 12c), a cam follower (21) which interacts with the profile (12a, 12b, 12c), and an energy accumulator (22) which elastically returns the cam follower against the profile (12a, 12b, 12c) of the cam (12).
Owner:ROLEX SA

Device for assembly and alignment, in particular for a timepiece resonator mechanism

The invention relates to an assembly and alignment device (1) on a first bridge (2), in particular a clockwork movement plate, arranged in a first plane, the device (1) comprising a second bridge (3) arranged in a second plane, the second bridge (3) being intended to support a component, in particular a moving component of a clockwork resonator mechanism, the device comprising means for aligning the second bridge (3) with the first bridge (2), the alignment means having at least two bearing faces (5, 6, 7) of the second bridge (3) arranged orthogonally to the second plane in two different directions, the alignment means further comprising at least two movable adjusting pieces (21, 22, 23) mechanically linked to the first bridge (2), the movable pieces (21, 22, 23) each being configured to come into contact with one of said bearing faces (5, 6, 7) to position the second bridge (3) in a position determined on the first bridge,the movable parts (21, 22, 23) allowing a plurality of positions of the second bridge (3) on the first (2).
Owner:ETA SA MFG HORLOGERE SUISSE

Mechanism for adjusting endshake of timepiece mobile unit for timepiece

PendingJP2025064981AFrameworksHorological bearings
To provide a mechanism for adjusting the endshake of a timepiece mobile unit for a timepiece.SOLUTION: A mechanism for adjusting the endshake of a timepiece mobile unit for a timepiece includes: an axis D; a first component 1; a second component 2 intended to receive or to form at least one bearing; interface elements 4 collaborating with the first and second components; a return element 8 returning the first and second components into collaboration with the interface elements; and at least first shaped portions of the first and second components collaborating with the interface elements to move the interface elements relative to the axis in a plane perpendicular or near-perpendicular to the axis and thus move the second component translationally along the axis relative to the first component under the effect of a rotational movement about the axis of the first component or of the second component.SELECTED DRAWING: Figure 2
Owner:ROLEX SA

Mechanism for adjusting the endshake of a timepiece mobile unit for a timepiece

PendingUS20250093819A1FrameworksHorological bearings
The mechanism (20) for adjusting the endshake of a timepiece mobile unit (40) for a timepiece (300) includes: an axis (D), a first component (1), a second component (2) intended to receive or to form at least one bearing (15), interface elements (4) collaborating with the first and second components, a return element (8) returning the first and second components into collaboration with the interface elements (4), and at least first shaped portions (6, 5, 3.1) of the first and second components collaborating with the interface elements (4) to move the interface elements (4) relative to the axis (D) in a plane (P) perpendicular or near-perpendicular to the axis (D) and thus move the second component (2) translationally along the axis (D) relative to the first component (1) under the effect of a rotational movement about the axis (D) of the first component (1) or of the second component (2).
Owner:ROLEX SA

A watch assembly with a watch and adjustment tool, a method for using the watch assembly, and a watch including a case.

The present invention provides a watch assembly equipped with means for transmitting torque or force through the watch casing using a magnetic coupler. [Solution] A watch assembly 2000 comprising a watch 1000 and an adjustment tool 200, wherein the adjustment tool 200 drives an external drive movable body 20 to pivot around an external axis DE, the external drive movable body 20 comprises an external multipole magnet 21, the external multipole magnet 21 engages with an internal multipole magnet provided in an internal control movable body 1 of the watch 1000, which pivots around a first axis D1 and meshes with the input of a reduction gear train 30 in order to perform adjustment. The output of the reduction gear train 30 meshes with an internal controlled movable body 1 that pivots within a case 10. The adjustment tool 200 comprises means for counting the number of rotations of the drive movable body 20 to accurately determine the degree of pivot of the internal controlled movable body 1, and / or means for determining and / or visualizing the angular position of the internal controlled movable body.
Owner:THE SWATCH GRP RES & DEVELONMENT LTD

Watch assembly

The present invention discloses a watch assembly and belongs to the technical field of watch assemblies. The watch assembly includes a watch case; a case back mounted in the watch case; a minute hand dial mounted inside the watch case, where a surface of the minute hand dial is provided with a first indicating portion. According to the present invention, the case back is mounted to the watch case, and when structures inside the watch case need to be inspected and maintained, the case back can be conveniently opened. It should be noted that gear structures inside the watch case of the present invention are integrated into a detachable mounting assembly, the user can directly disassemble the detachable mounting assembly from the watch case, and then opens the detachable mounting assembly to inspect and maintain the gear structures inside the watch case.
Owner:SHENZHEN CIGA DESIGN CO LTD

Electromechanical timepiece movement with gear set for holding display member and with Anti-vibration device

To provide an anti-vibration / anti-floating device being easy to mount and mounted in a preparatory stage for mounting a display gear set.SOLUTION: An electromechanical timepiece movement 2 comprises a display gear set 30 including a stem 36 intended to hold a display hand 48, and a brake device coupled to the display gear set 30 and including a brake spring 10 and a washer 8 arranged between the brake spring 10 and the stem 36 of the display gear set 30, where when the display gear set 30 receives rotary drive torque, the brake spring 10 can immediately generate a brake torque on the display gear set 30 via the washer 8 pressed by the brake spring 10, the washer 8 and the brake spring 10 are arranged such that the washer 8 remains stationary and does not rotate during normal operation, and the washer 8 applies overall pressing force towards the stem 36 in order to generate friction force that produces the brake torque between a lateral surface of the washer 8 and a rotating surface of the stem 36.SELECTED DRAWING: Figure 6
Owner:ETA SA MFG HORLOGERE SUISSE

Timepiece driving device

A timepiece drive (100), in particular a system (300) for displaying time-based or time-derived information, in particular for an instantaneous jump calendar system, comprises: an input mover (10) comprising a first ring gear (10a); a main wheel (11) including a second ring gear (11a) on only a portion of its periphery, the second ring gear being in meshing engagement with the first ring gear; a cam (12) which is connected to the main wheel (11), in particular with minimal play, in particular fixed to the main wheel (11), and which has a cam profile (12a, 12b, 12c); a cam follower (21) interacting with the contours (12a, 12b, 12c); and an accumulator (22) that resiliently returns the cam follower against the contour (12a, 12b, 12c) of the cam (12).
Owner:ROLEX SA

Timepiece display device on multiple levels

A timepiece display device including a first display element and a second display element superimposed above a fixed part including a main bearing surface, this second display element is subjected to opposing forces exerted, on the one hand by lower return means which tend to bring the second display element closer to the first display element, and, on the other hand, by upper return mechanism which tends to move the second display element away from the first display element without contact between them or else by mechanical spacing device which includes a bearing surface providing a stop bearing function on a stop surface of the second display element, to limit the travel from the second display element to the first display element.
Owner:MONTRES BREGUET SA