454results about "Escapements" patented technology

To provide a method for manufacturing a watch gear capable of connecting a connection part to a gear even when an interval between the teeth of the gear is small, a plate-like member, a watch gear and a watch.SOLUTION: A method for manufacturing a gear 50 comprises: an outer shape forming process in which by etching a silicon wafer 70 made of a brittle material, a gear 50 having a plurality of teeth 51, a frame part 55 arranged on the outside of the gear 50, and a connection part 56 having higher flexibility than the teeth 51 and connecting the frame part 55 and the tip part of the teeth 51 are formed; and a cutting process of cutting off the connection part 56 from the gear 50.SELECTED DRAWING: Figure 4

The invention relates to the technical field of mechanical watch tourbillon, in particular to a rotation inertia adjustable double-shaft tourbillon structure which comprises a frame plate, a first direction shaft, an outer tourbillon, a second direction shaft, an inner tourbillon, an escapement mechanism and a transmission wheel train. The inner tourbillon is rotationally connected with the outer tourbillon through a second direction shaft, the escapement mechanism is arranged in the inner tourbillon and comprises an escapement wheel, an escapement fork and a hairspring balance wheel, four adjusting columns are arranged on the surface of the hairspring balance wheel in the circumferential direction of the hairspring balance wheel at equal intervals, the adjusting columns are sleeved with C-shaped weights, and the C-shaped weights are in interference fit with the adjusting columns; the transmission wheel train is used for driving the inner tourbillon to rotate around the second direction shaft while driving the outer tourbillon to rotate around the first direction shaft and driving the escapement wheel to rotate at the same time. The balance wheel has the effect that the rotation inertia of the balance wheel can be flexibly adjusted.

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.

To provide a method for manufacturing a three-dimensional horology component of a shape that is complex on a micrometric or nanometric scale.SOLUTION: A method for manufacturing a horology component 6 at least comprises: a step of manufacturing, from a first photosensitive resin, a first structure comprising at least one photosensitive resin layer comprising a first pattern obtained by polymerizing the first photosensitive resin by irradiation through at least one mask, and then developing the first photosensitive resin; and a step of transforming the first structure into a second structure by structuring at least one surface of the first structure by addition of a second photosensitive resin to the at least one surface, the second structure being intended to at least partially form a manufacturing mold for the horology component.SELECTED DRAWING: Figure 2

To provide a mechanical timepiece in which a silicon escape wheel is less easily broken.SOLUTION: A mechanical timepiece 1 has an escapement 80 including a silicon escape wheel 110 and is configured so that three hands, i.e., an hour hand 4A, a minute hand 4B, and a second hand 4C are gathered to one place. An ganging pin 120 of an escape wheel and pinion 100 including the escape wheel 110 and a fourth winding pinion 243 of a fourth wheel and pinion 24 to which the second hand 4C is attached are engaged with each other. A shaft 241 of the fourth wheel and pinion 24 is provided with a biasing force to an axial direction extending to the side where the second hand 4C is attached, by an elastic member 244.SELECTED DRAWING: Figure 4

Escapement device, comprising:first escapement mobile element comprising a plurality of first blocking surfaces and a first drive toothing forming a first main drive toothing,a second escapement mobile element comprising a plurality of second blocking surfaces and a second drive toothing forming a second main drive toothing,an inertial element,a blocking mobile element, comprising:blocking surface portions, arranged to come into contact with the first escapement mobile element and with the second escapement mobile element,an impulse receiver,an impulse transmitter,characterized in that:the second main drive toothing and the first main drive toothing are engaged together and cooperate with the blocking mobile element in the same plane.

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.

The utility model discloses an engine dial plate structure and a watch thereof, comprising a movement and a dial plate structure, an automatic gyroscope of the movement is connected with the dial plate structure; the dial plate structure comprises a first shaft wheel, a second shaft wheel, a third shaft wheel, a first shaft nail, a second shaft nail, a first bearing, a wheel disc and an engine structure; an automatic gyroscope of the machine core is connected with the first shaft wheel, the upper end of the first shaft wheel is connected with the second shaft wheel in a sleeved mode, the third shaft wheel is of a one-wheel two-shaft-hole structure, and the wheel disc is connected with a plurality of engine structures in a surrounding mode. According to the engine dial structure, the dial structure is arranged through the characteristic that a mechanical watch has an automatic gyroscope, the kinetic energy of the automatic gyroscope drives an engine structure to sequentially stretch out and draw back, and the viewing process can relieve pressure for a user. According to the watch, dynamic patterns can be displayed on the front surface of the dial plate, time can be read from the side surface of the dial plate, the watch has a reading function and an ornamental value, and the identification degree of the watch is improved.

The invention relates to a method of and a kit for assembling a movement (35) for a watch, in particular a wristwatch, which method comprises the steps of: - providing a base plate (1) that defines positions (for accommodating a mainspring (2), a gear train (3-5), an escape wheel, an anchor, and an oscillator, - mounting an oscillator (20) having a natural frequency of at least 8 Hz in and / or on the base plate (1), and - mounting at least one reduction gear (6) between the mainspring and the oscillator (20).

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

To provide means that effectively holds two components at predetermined positions relative to each other and allows reassembly.SOLUTION: There is provided a device (100) for setting the position and marking a first component (1) and a second component (10), which can be assembled together with a single degree of freedom and immobilised by the cooperation of a first screw (4) with first tapping (12) of the second component (10) via a first notch (2) of the first component (1), and of a second screw (5) with a second tapping (13) of the second component (10) via a second notch (3) of the first component (1), the first notch (2) and the second notch (3) defining a setting range, the second screw (5) being a cone-head screw, arranged to make an imprint on the edge of the second notch (3) under a predetermined tightening torque, in order to permanently mark the relative position of the first component (1) and of the second component (10).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 invention relates to a flexible guide for a rotary resonator mechanism, particularly for a clockwork movement, the guide (1, 10, 30, 40, 50) comprising a first support (2, 11), a movable element (3, 13) relative to the first support (2, 11), a first pair of flexible blades (14, 15) connecting the first support (2, 11) to the movable element (3, 13), such that the movable element (3, 13) can move relative to the first support (2, 11) by bending the blades (14, 15) in a circular motion around a center of rotation (6, 18), the flexible guide (1, 10, 30, 40, 50) being arranged substantially in a plane, characterized in that it comprises prestressing means (7, 27, 37, 47), the prestressing means (7, 27, 37, 47) being configured to apply a buckling force to the flexible blades (14, 15) by bringing the first support (2, 11) closer to the moving element (3, 13), so that the flexible guide (1, 10, 30, 40,50) includes two stable positions (28, 29) of the moving element (3, 13) relative to the first support (2, 11) for which the restoring moment is zero, the two stable positions (28, 29) having a predetermined angle of rotation (2a) between them.

The invention relates to a method for batch manufacturing of watch components.

To provide a timepiece escapement mechanism improved in the self-starting of calibers not sufficient for an escapement to start on its own.SOLUTION: A timepiece escapement mechanism includes a lever 10 and an escapement wheel. The lever 10 is arranged to cooperate with an inertial mass of a mechanical oscillator and, at pallets 1 carried by the lever 10 or included in the lever 10, cooperate with teeth of the escapement wheel. The contact between a pallet 1 and an escapement tooth includes at least three zones, namely: a rest zone where the torque is in the negative direction, where the angle between the normal to the contact and the radius vector of the lever 10 is negative; a first zone corresponding to the first half lift angle, where the torque is in the positive direction, and where the angle ω1 is positive; and a second zone corresponding to the second half lift angle, where the torque is in the positive direction, and where the angle ω2 is positive.SELECTED DRAWING: Figure 8

To provide an assembly of two timepiece components with improved assembly means.SOLUTION: An assembly of a horological movement comprises a first timepiece component (22), for example, a plate extending in a first plane, and a second timepiece component (30), for example, an actuator of an actuation system. The assembly (1) comprises means (40) for assembling the first timepiece component (22) to the second timepiece component (30). The assembly means (40) includes means (50) for positioning the second component (30) on the first component (22) in a plane substantially parallel to the first component (22), and means (60) for bearing on the second component (30) to lock the second component (30) on the first component (22).SELECTED DRAWING: Figure 1

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.

Palette (3) of escapement for mechanical watch movement, made entirely of single-crystal diamond.

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.