250results about "Escapements" patented technology

A method for the fine adjustment of the rate of a mechanical oscillator with an oscillating inertial mass, equipped, in a first step, with an actuator made of material suitable for irreversible local micro-expansion under the action of laser fires, to impart to an inertia-block a radial travel during suitable laser fires on a writing zone of the actuator, in a second step, the initial rate of the oscillator is set and measured, in a third step, the direction and the value of the deviation required to achieve a predetermined rate range, and of the travel to be imparted to inertia-blocks are calculated, in a fourth step, a writing zone is subjected to femtosecond laser fires to create expansion lines by local molecular expansion to radially deform the actuator, in a fifth step the rate is measured and the third step and fourth step are repeated if required.

The present invention relates to an escapement mechanism (1) arranged to supply mechanical impulses from a driving source to an oscillating regulator (2) of a clock movement via a leaf spring (6) operating in buckling around an inflection point (I). The mechanism comprises a winding rocker (10), a release rocker (12), and a locking rocker (14). The leaf spring (6), in normal operation, is capable of accumulating energy from the driving source transmitted by winding elements (40a, 40b) during a winding phase, remaining in a wound state during a locking phase, and then releasing the accumulated energy to the oscillating regulator (2) during a pulse phase preceded by a release phase. The locking rocker (14) comprises two locking arms (56a, 56b), each equipped with a locking member. (58a, 58b) arranged to cooperate with a locking member (46a,46b) respective complement of the cocking lever (10) to block said cocking lever (10) during the locking phase. Each locking arm (56a, 56b) of said locking rocker (14) has, at its free end, an inclined plane (66a, 66b) configured to cooperate with the starting inclined plane (61a, 61b) provided correspondingly on the arming rocker (10) during a self-start phase during which an activation of the drive source causes the arming rocker (10) to move, the free passage of which is permitted by the locking rocker (14) which was previously positioned by the detent rocker (12) under the influence of the oscillating regulator (2) at rest, said angular movement of the arming rocker causing a displacement of the locking rocker (14) by pushing one of the starting inclined planes (61a, 61b) on the corresponding inclined plane (66a, 66b) of the locking rocker (10),so that said locking lever (14) rotates the oscillating regulator (2) out of the lifting angle, the escapement mechanism (1) positioning itself in a position corresponding to a locking phase ready to be followed by an unlocking phase and a pulse phase of normal operation.

The invention relates to a horological movement comprising a striking mechanism of a watch including a vibrating element and a striking device of said vibrating element comprising a hammer fixed overhanging a structure of the horological movement by means of strips of a flexible guide, said strips being both arranged so as to extend in directions intersecting at a point materialising an instantaneous centre of rotation C disposed along an axis T tangent to the vibrating element.

To provide a method for manufacturing watch components in batches.SOLUTION: A method for manufacturing watch components in batches comprises the steps of: a) providing a substrate 1 covered with a conductive priming layer 2; b) applying a layer of a photosensitive resin 3 to the conductive layer 2 of the surface of the substrate 1; c) irradiating a resin layer 3 through a mask 4 defining the outline of a batch of components 5, as well as a grid 7 and material bridges 6; d) dissolving non-irradiated areas 3b of a photosensitive resin layer 3 to reveal the conductive layer 2 of the substrate 1 in places and form a mold; e) conformal electro-galvanic deposition of a metal layer from the conductive layer 2; f) removing the photosensitive resin layer 3 and the substrate 1 to release one cluster of components thus formed; and g) releasing the batch of components from the one cluster.SELECTED DRAWING: Figure 1

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.

The utility model discloses a lever escapement mechanism for a timer, and relates to the field of lever escapement mechanisms. The escapement fork comprises an escapement wheel and an escapement fork, the escapement fork comprises a fork body, the top of the fork body is provided with a first half body, the escapement fork is divided into the first half body and the second half body through the arrangement of the escapement fork, the first half body and the second half body, and the first half body and the second half body are connected in an inserting mode through an inserting plate and an inserting groove. Due to the design, when the insertion body part, namely the second half body or the connecting part of the insertion body part and the first half body, of the pallet is abraded, a user does not need to replace the whole pallet, and only the abraded second half body needs to be replaced, so that the maintenance cost is remarkably reduced, and the service life of the pallet is prolonged. And the problems of precision and stability of the timer, which are possibly caused by matching difference between a newly replaced part and other parts of the original mechanism, are greatly reduced.

Disclosed is an escapement mechanism (1) for a timepiece, designed to cooperate with an oscillator arranged to carry out oscillations, said mechanism (1) comprising: - a count wheel (7) arranged for step-wise forward rotation depending on the oscillations of the oscillator; - an impulse wheel (11) designed to be kinematically linked to a power source, said impulse wheel (11) being arranged to be periodically blocked and released under the control of the count wheel (7) and to supply impulses to the oscillator, characterized in that: - when said escapement mechanism (1) is operating, the count wheel (7) is continuously subjected to a torque; - and the count wheel (7) is arranged to rotate forward by one half-step of its toothing for every vibration of the oscillator.

The invention relates to a timepiece component (1) formed of a substrate (10) that is at least partially covered by a coating (20) comprising at least one functional layer (20A) which is deposited by the MLD method and made of an organic material in order to improve the durability of said coating (20).

A pallet (21) for a horology escapement mechanism (50), the pallet (21) including a fork (22) designed to engage with an ellipse (23) on a balance (35), an entry arm (11) and an exit arm (12) designed to engage with an escapement mobile (30), as well as an arbor (5) on which the fork (22), the entry arm (11) and the exit arm (12) are fitted, the fork (22), the entry arm (11) and the exit arm (12) being arranged on the arbor (5) in two separate parts, the fork (22) being arranged on a first level and the entry arm (11) and exit arm (12) being arranged on a second level of the arbor (5), the two levels being separated along the axis of the arbor (5) by a predetermined distance (D0).

The utility model relates to a watch movement and a watch. The watch movement comprises a mechanical resonator composed of a balance wheel and a balance spring; means for setting the oscillation frequency of the mechanical resonator; and a mechanism for setting a guide mark on the mechanical resonator. The moving member of the setting device includes a mechanism for attaching the outer end portion of the hairspring and a mechanism for defining the effective length of the hairspring. The mechanism for varying the effective length includes a first gear carried by the moving member and a first tooth arranged along the outer end portion of the hairspring, the first gear meshing with the first tooth. The fastening mechanism retains the outer end portion by friction so that the first gear can drive the outer end portion via the first teeth and thus change the effective length of the hairspring. The first gear is in meshing relationship with a second gear that is integral with the resonator support such that when the outer end portion undergoes angular displacement in a selected direction relative to the moving member, the moving member is simultaneously angularly displaced by a corresponding angular distance in an opposite direction.

Method for making a watch component (100) in amorphous metal alloy, the manufacturing process comprising: - a step (E1) of making a first preform in amorphous metal alloy, then - a step (E2) of hot drawing of the first preform to obtain a second preform, then - a step (E3) of machining of the second preform.

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.

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.

The present invention relates to a method for manufacturing at least one watch component, in which, on a first side of a monolithic silicon wafer (100), a first primary etching mask (200) is made and then the wafer (100) is etched through the first mask (200) to form the edges of a first level of the component; at least one stop layer (400) is made on the first etched side (101) of the wafer (100); On the second side of the wafer (102) opposite to the first side (101), a second secondary etching mask (300) is made and then the wafer (100) is etched through this second mask (300) to form the edges of a second level of the component, the secondary etching reaching at least locally the stop layer.

Disclosed is a method for manufacturing a mould for manufacturing a timepiece component, the method being characterised in that it comprises the following steps: - depositing (E1.2) a layer N (30) of photoresist resin; - exposing (E1.3) the photoresist resin of the layer N (30) of photoresist resin to exposure radiation (55) according to a first predefined pattern, thereby defining at least one portion (32) of the unexposed photoresist resin of the layer N (30); - depositing (E1.c) a conductive layer (36) directly on all or part of the surface of the layer N (30) of exposed photoresist resin; - depositing (E1.4) an optical filter layer (35) directly at least on all or part of the conductive layer (36) and / or its flanks; - depositing (E1.5) a layer N+1 (40) of photoresist resin directly and / or indirectly on the photoresist resin of the layer N (30), in particular on the conductive layer (36) and / or on the optical filter layer (35).

Disclosed is a method for manufacturing a timepiece component, the method being characterised in that it comprises the following steps: depositing (E1.2) a layer N (30) of photoresist resin; then exposing (E1.3) the photoresist resin of the layer N (30) to exposure radiation (55) according to a first predefined pattern, thereby defining at least one portion (32) of unexposed photoresist resin of the layer N (30); depositing (E1.4) an optical filter lower layer (35) directly on all or some of the layer N (30) of undeveloped photoresist resin, in particular an optical filter lower layer (35) entirely deposited in the same plane; depositing (E1.5) a layer N+1 (40) of photoresist resin directly and / or indirectly on the layer N (30) of photoresist resin, in particular directly and / or indirectly on the optical filter lower layer, and optionally in contact with a flank of the layer N (30).

The invention relates to a flexible guide (20) for a rotary resonator mechanism, in particular for a clockwork movement, the guide (20) comprising a fixed support (25), a movable element (26) relative to the fixed support (25), at least two main flexible blades (36, 37, 38) allowing the movable element (26) to move relative to the fixed support (25) by bending the main flexible blades (36, 37, 38) in a rotary motion around a center of rotation, the flexible guide (20) being arranged substantially in a plane, the flexible guide comprising at least two translation tables (33, 34, 35) each joined to one end of a main flexible blade (36, 37, 38), such that each translation table (33, 34, 35) is configured to move in translation at least partially under the effect of the bending of the main flexible blade (36, 37, 38). 37, 38) corresponding, the flexible guide (20) comprising at least one tertiary flexible blade (31, 39,41) linking the two translation tables (33, 34, 35).

The invention relates to a timepiece movement (1) comprising: - a mechanical energy source (3); - a constant-force device (7) comprising an input wheel (11), arranged to be driven by said mechanical energy source (3), as well as an output wheel (13) kinematically connected to said input wheel (11) via a resilient element (9), which is preloaded and arranged to be recharged periodically on the basis of the rotation of said output wheel (13); - a regulating system (5) arranged to be driven by said output wheel (13). According to the invention, said movement (1) comprises: - an activation mechanism (29) arranged to be driven by said output wheel (13) and to drive a supplementary mechanism (27); and - a preload control system (23) arranged to modify said preload of said resilient member (9) on the basis of the state of said activation mechanism (29).

The invention discloses a tourbillon structure of a mechanical watch with counterweight compensation, and relates to the technical field of mechanical watch application, the tourbillon structure comprises a frame plate, a first direction shaft, an outer tourbillon, a second direction shaft, an inner tourbillon, an escapement mechanism and a transmission system, the outer tourbillon is rotatably connected with the frame plate through the first direction shaft, and the outer tourbillon is rotatably connected with the frame plate through the second direction shaft; the outer tourbillon is rotatably connected with the inner tourbillon through a first direction shaft, the axis of the outer tourbillon is perpendicular to the first direction shaft, the inner tourbillon is rotatably connected with the outer tourbillon through a second direction shaft, the escapement mechanism is arranged on the inner tourbillon, and the escapement mechanism comprises an escapement wheel, an escapement fork and a hairspring balance wheel. And in combination with an inertia fine adjustment mechanism on the balance wheel, collaborative optimization is performed from two levels of frame dynamic balance and speed regulation period, so that the problem of uneven mass distribution easily caused by a complex structure of the double-shaft tourbillon is effectively solved, and frictional resistance and unnecessary energy loss of the rotating frame are remarkably reduced.

Disclosed is a method for manufacturing a timepiece component, the method being characterised in that it comprises the following steps: depositing (E1.2) a layer N (30) of photoresist resin; then exposing (E1.3) the photoresist resin of the layer N (30) to exposure radiation (55) according to a first predefined pattern, thereby defining at least one portion (32) of unexposed photoresist resin of the layer N (30); depositing (E1.4) an optical filter lower layer (35) directly on all or some of the layer N (30) of undeveloped photoresist resin, in particular an optical filter lower layer (35) entirely deposited in the same plane; depositing (E1.5) a layer N+1 (40) of photoresist resin directly and / or indirectly on the layer N (30) of photoresist resin, in particular directly and / or indirectly on the optical filter lower layer, and optionally in contact with a flank of the layer N (30).

A method for manufacturing a plurality of watch components (90) in a wafer (110) includes the steps of: (a) providing a wafer (110) having a lower side (110A) and an upper side (110B), the wafer (110) comprising a single layer of silicon (130) without a support layer, the single layer (130) having a thickness (e130) greater than a maximum thickness (e90) of the components; (b) form the components (90) by etching patterns into the silicon single layer (130) from the upper side (110B) of the wafer (110) to obtain a structured single layer (130'), the structured single layer (130') comprising regions (135) around the etched patterns in which the material of the single layer has been removed, and the removed regions (135) having a depth (p) corresponding substantially to the maximum thickness (e90) of the components;(c) form a protective layer (155, 260) at least on the flank surfaces of the components etched in step (b); and (d) etch the silicon in the structured single layer (130') through the removed regions (135) of said layer to obtain a structured and excavated single layer (130") having at least one cavity (124) formed below at least one component (90).

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.

To provide a carousel that is smaller in thickness than carousels of the prior art.SOLUTION: The invention relates to a carousel 1 for a horological movement 10. The carousel includes: an inertial mass; a guide; a resilient return element for returning the inertial mass, configured to cause the inertial mass to oscillate in a plane; and an escapement mechanism cooperating with the inertial mass. The carousel includes a carriage intended to be rotatable. The inertial mass, the guide, the resilient return element and the escapement mechanism are arranged inside the carriage. The carousel includes a first ball bearing allowing the carriage to rotate when mounted in a horological movement, and a second ball bearing allowing the escapement mechanism to be actuated. The first ball bearing and the second ball bearing are arranged substantially in the same plane.SELECTED DRAWING: Figure 2

The invention relates to an escapement device (10) for a timepiece, comprising: - a first escape wheel (12), mounted pivotally about a first axis of rotation (A1), comprising teeth having first teeth (121), and second teeth (111), - a second escape wheel (22), mounted pivotally about a second axis of rotation (A2), comprising teeth arranged to at least cooperate with the second teeth (111) of the first escape wheel (12), characterized in that each second tooth (111) of the first escape wheel (12) has an arm shape comprising at least one extremal projection (111a) arranged to cooperate with the teeth of the second escape wheel (22).

The invention relates to an overmolding method for manufacturing an overmolded part (2) forming a decoration to be added to a part (1) or the part itself, said overmolded part (2) being made of an at least partially amorphous metal alloy (8), the method comprising the following steps: providing a blank (3) for use as an injection tool, a blank (3) having at least one through-hole (4) forming a channel (5) for injecting the metal alloy (8), the blank (3) being made of a first material having a thermal diffusion coefficient of less than or equal to 7000 W K-1 m-2 s 1 / 2, or being at least partially plated with a layer made of the first material; positioning the blank (3) in an injection mould (6); injecting the metal alloy (8) through the through-hole (4) opening into the cavity in order to obtain the overmolded part (2); the overmolded part (2) is separated from the blank (3) in order to form the trim or the part itself to be added.

A return member for a balance wheel of a timepiece, replacing a spiral spring. This return member includes a rake provided with a toothed sector arranged to work together with a balance wheel pinion. The rake has an axis of rotation allowing it to move between two extreme positions, called working positions, separated by a rest position. The return member also has two springs arranged to press the rake towards its rest position. Each spring is made up of an elastic blade arranged to store energy, then to return it to the rake. Each elastic blade works alternately so that they never work simultaneously. The return member may be in an escapement, a clockwork movement or a timepiece comprising such a movement.

One aspect of the invention relates to an escapement mechanism (100) comprising an escape wheel (1) with teeth (2) extending on either side of a median plane (PM) and comprising at least two teeth (2), each carrying at least one angle break (20) connected to the impulse surface (4) of the tooth (2), the angle breaks (20) of two different teeth (2) each having a different geometric orientation in space with respect to the respective impulse surface (4) of the tooth (2) carrying that angle break (20). The invention further relates to a timepiece, in particular a watch, comprising such an escapement mechanism (100).

To propose, particularly, first of all, an escapement device (or more specifically an escape wheel) that is compact, and / or devoid of complex pieces to manufacture and / or assemble, and / or robust, and / or that has high operating efficiency.SOLUTION: The invention relates to an escapement device 10 of a timepiece. The escapement device includes a first escape wheel 12 pivotally mounted about a first axis of rotation A1, the first escape wheel comprising toothing equipped with first teeth and with second teeth, and a second escape wheel 22 pivotally mounted about a second axis of rotation A2, the second escape wheel comprising toothing arranged to at least cooperate with the second teeth of the first escape wheel. In the escapement device, each second tooth of the first escape wheel has an arm shape comprising at least one extreme protrusion arranged to cooperate with the toothing of the second escape wheel.SELECTED DRAWING: Figure 1

The present invention relates to a clockwork mechanism comprising at least one clockwork element arranged to be movable alternately between two stable positions and a drive device (4) for said clockwork element comprising a drive member (6) rotatable in at least one direction and arranged to be able to drive said clockwork element alternately from one to the other of its two stable positions. Said drive device (4) comprises at least one blade (12) integral with said at least one clockwork element, said at least one blade (12) comprising at least one flexible portion (12a) and being mounted to slide along its longitudinal axis in a housing (14a, 14b) of a frame (16) of the clockwork mechanism between a first and a second position corresponding respectively to one of the two stable positions of the clockwork element.The rotating drive member (6) comprises a cam (8) whose outer profile includes at least one protrusion (21) arranged to be in contact with the flexible portion (12a) of the blade (12), said outer profile of the cam (8) and the blade (12) being arranged to cooperate together such that a rotation of the rotating drive member (6) in the same at least one direction successively causes a compression of the flexible portion (12a) of the blade (12) by the cam (8), an instantaneous displacement of the blade (12) in one direction from one of its first and second positions to the other, a compression of the flexible portion (12a) of the blade (12) by the cam (8), and then an instantaneous displacement of the blade (12) in the other direction from one of its first and second positions to the other, so as to move the clockwork mechanism alternately from one of its two stable positions to the other in a movement of instant back and forth.