300results about "Gearworks" patented technology

A device for selecting and controlling functions of a horological movement, including a selector member arranged such that, when it is acted on, it causes a column wheel including a plurality of coaxial cams which are integral with one another for rotation as one, to rotate in a single direction of rotation, the device including a plurality of transmission yokes, each of which is arranged such that it bears against a cam specific thereto so as to be able to successively occupy, depending on the angular position of the cam, a rest position and an active position, each transmission yoke being configured such that when it occupies the active position, it is disposed in the path of a control member which is intended, when it is acted on from a rest position, to drive the transmission yoke located in an active position, towards a position for controlling a function specific thereto.

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.

A roller-type jumping clockwork display mechanism (100), each display comprising a roller (1, 1A, 1B, 2, 3, 3A, 3B, 4) and / or a combination roller (10) comprising two rollers (1A, 1B, 3A, 3B) internal to one another, held in the rest position by first elastic return means (311, 312, 313, 314, 316), at least one display being rotatable by the movement of at least one rocker (11, 12, 13, 14, 15, 16) whose fall is controlled or prevented by at least one cam (21, 22, 23, 24, 244, 245, 246, 247) driven by a movement (500), and at least one triggering or correction rocker (11, 12, 13, 14, 15, 16) is arranged to cooperate simultaneously in support with two cams (21, 22, 23, 24, 244, 245, 246, 247) towards which it is recalled by second elastic return means (119, 129, 139, 149, 159, 169).

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

The utility model discloses a watch tooth dividing shaft, which relates to the technical field of mechanical watches and comprises a central shaft, a minute wheel shaft sleeve and an hour wheel shaft sleeve, the minute wheel shaft sleeve is movably sleeved outside the central shaft, the hour wheel shaft sleeve is movably sleeved outside the minute wheel shaft sleeve, outer teeth are arranged at the top end of the minute wheel shaft sleeve, and the hour wheel shaft sleeve is sleeved outside the hour wheel shaft sleeve. According to the utility model, the structure of the meter body is improved, so that the pointer is in interference fit in a manner that the external gear is nested in the internal gear, and the line contact at the present stage is changed into surface contact, thereby improving the firmness degree of pointer installation; the pointer is still accurate in indication under the conditions of long-time use and frequent vibration of the meter body, and meanwhile, the integrated lubrication is adopted, so that an operator can lubricate the central shaft, the minute gear shaft and the hour gear shaft under the condition that the central shaft, the minute gear shaft and the hour gear shaft are not disassembled, and the later maintenance of the meter body is facilitated.

The invention relates to a method for manufacturing a timepiece pinion, characterised in that the method comprises the following steps: - providing a block to be machined; - machining the block using a machining device comprising a mechanical cutting tool that acts on the block through direct contact so as to remove chips from the block, characterised in that - the step of machining the block is carried out using a spindle to which the block is attached and on which it is rotated at a speed greater than or equal to 20,000 rpm, or even greater than or equal to 22,000 rpm, or even greater than or equal to 25,000 rpm, or even greater than or equal to 30,000 rpm, or even greater than or equal to 35,000 rpm, or even greater than or equal to 40,000 rpm, while the mechanical cutting tool comes into contact with the block to remove material in successive passes, in order to form a timepiece component having rotational symmetry; or in that - the step of machining the block is carried out by a mechanical cutting tool, such as a milling cutter or a grinding wheel, rotated at a rotational speed greater than or equal to 100,000 rpm, or even greater than or equal to 120,000 rpm, or even greater than or equal to 150,000 rpm, or even greater than or equal to 180,000 rpm, which comes into contact with the block, held stationary by a spindle, in order to remove material.

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).

We offer watch movements equipped with a power reserve indicator device. [Solution] The present invention relates to a watch movement comprising at least one mainspring barrel 11, 12 and a device for displaying a power reserve 10, wherein the watch movement comprises a winding mechanism comprising a winding gear train 15, a reduction gear train 16 meshing with one of the mainspring barrels, a differential arranged to kinematically couple the winding gear train and the mainspring barrel via a first inlet on a differential 14, the differential having a second inlet and an outlet, coupled to the reduction gear train by the second inlet, the first and second inlets and outlet on the differential being coaxial, and a power reserve indicator module engaging with the outlet of the differential.

The invention relates to a timepiece 1 comprising a first member 6 for displaying local time HT, a second member 8 for displaying GMT time, a drive wheel 10 of the first display member 6, a first correction mechanism 23 adapted to be kinematically coupled to the drive wheel 10 of the first display member 6 to allow simultaneous correction of local time HT and GMT time, a second correction mechanism 32 of the second display member 8 adapted to be able to correct the GMT time independently of the local time HT, and a drive mechanism 34 of the second display member 8 including a differential gear 22 with a first input part adapted to be kinematically coupled to the drive wheel 10 of the first display member 6, a second input part adapted to be kinematically coupled to the second correction mechanism 32 of the second display member 8 and an output part adapted to drive said second display member 8. The timepiece comprises a gear train 48 mounted parallel to the drive mechanism 34 of the second display member 8, said gear train 48 being kinematically coupled in an engageable and disengageable manner to the drive wheel 10 of the first display member 6 and to the output part of the differential gear 22 by means of a first star 50 coupled to said parallel mounted gear train 48 and a first jumper 52 connected to the output part of the differential gear 22 and cooperating with said first star 50, so that during the simultaneous correction of the local time HT and the GMT time by the first correction mechanism 23, said output part is driven by said parallel mounted gear train 48, and during the correction of the GMT time independent of the local time HT by the second correction mechanism 32, said output part is decoupled from said parallel mounted gear train 48, while after the correction, a repositioning of the second display member 8 synchronized with the positioning of the first display member 6 is possible.

Clock mechanism (110), in particular clock movement or chronograph module, comprising: - a frame (80, 81), and - a counting chain (100) comprising an epicyclic train (31, 32, 33, 34) including a first planetary gear (33) fixed to the frame. A method for assembling two separate mechanisms or two separate timepieces, comprising the following steps: - a step of supplying a frame (80, 81), - a step of mounting a drive wheel (20) onto the frame (80, 81), - a step of mounting an hour counter (40) onto the frame (80, 81), and - a step of assembling: • a wheel (30') meshing with the drive wheel and with the hour wheel, or • an epicyclic gear train (31, 32, 33, 34) meshing with the drive wheel and with the hour wheel. The method makes it possible to obtain two separate mechanisms but with identical frames, identical drive wheels, and an identical hour wheel.

The invention describes a system for a watch movement to control the speed and / or direction of movement of a driven mechanism. The system comprises a power source arranged to drive a finishing gear train at a constant speed, cooperating with a first input of a differential system; and a variable intermediate gear train cooperating with a second input of said differential system. This intermediate gear train is arranged to define a variable output speed. The differential system is arranged to control the ratio between the rotational speed of the finishing gear and the rotational speed of the intermediate gear train so as to control, at the output of the differential, the speed and / or direction of movement of a driven mechanism, the system maintaining a constant speed on the finishing gear.

Watchmaking indexing element (10), cooperating coaxially with a watchmaking component (20) having an indexing relief (30), having indexing means (13) cooperating with this indexing relief (30) for their relative indexing in a plurality of indexing positions, and carried by first elastic arms (14) each having a first indexing surface (15), each first elastic arm (14) being arranged to exert a substantially radial thrust force relative to this said component (20), and this indexing element (10) has at least a first bearing surface (11) arranged so as, in the free state in a service position, to remain at a distance from a second complementary bearing surface (31) that a component (20) has, and in case of shock, to cooperate in a buttress and / or guide bearing with the second complementary bearing surface (31).

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).

An item including a substrate and a coating having a colour with an interference effect for the decoration and / or the protection of the item, the coating including: a first opaque layer covering at least partially at least one surface of the substrate; a stack of at least two semi-transparent layers deposited by an ALD method covering the first layer; the stack having a thickness depending on the colour with an interference phenomenon of the coating.

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 watch axis made of non-magnetic gold alloy, said alloy having a hardness greater than 500 HV and comprising more than 500‰ by mass of gold.

The invention relates to a method for manufacturing a barrel (1) for use in a timepiece, the barrel being arranged to pivot about a pivot axis (D) and comprising a flange portion (3) comprising a bearing surface (30) for bearing an inner ring of a spring, from which bearing surface a hook portion (2) projects to engage in an aperture in the inner ring, and the flange portion comprises an end face (20) serving as a bearing of the eyelet when winding the spring, the flange portion further comprising a groove (4) located upstream of the hook portion in the winding direction (S) of the spring for holding an end of the spring, the method comprising the following steps:-taking a bar; -turning the profile of the bar to form at least one cylindrical portion (13) comprising a vertical surface and a horizontal surface; -machining said cylindrical portion using a broaching tool by a plurality of reciprocating translational movements in the direction of the pivot axis of the strip shaft, to form a flange portion comprising a hook portion, a bearing surface and a groove.

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).

This invention provides a method for manufacturing a barrel truss used in watchmaking. [Solution] The mainspring barrel 1 is arranged to pivot around a pivot D and includes a core 3 having a support surface 30 for the inner coil of the mainspring, from which a hook 2 protrudes to engage with an eyelet in the inner coil, the hook includes an end face that functions as a support for the eyelet when the mainspring is wound, and the core includes a relief 4 upstream of the hook in the winding direction of the mainspring for holding the end of the mainspring. The method is, • The process of preparing the rod material, - A process of tracing and turning a rod to form at least one cylindrical portion including a vertical surface and a horizontal surface, The process includes machining a cylindrical portion by performing several translational reciprocating motions in the true pivot direction to simultaneously form the core, including the hook, support surface, and relief, using a broaching tool.

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).

A clockwork mechanism comprising a kinematic chain including a first moving part (2, 2') fixed for rotation about a first axis of rotation (20, 20') and a second moving part (3, 3') fixed for rotation about a second axis of rotation (30, 30'), the first moving part (2, 2') being meshed with the second moving part (3, 3') at a point of contact (4), the first moving part (2, 2') being configured to be driven directly or indirectly by a driving element and to directly drive the second moving part (3, 3'), a cam (1) for measuring and / or storing time information, the cam (1) comprising a variable diameter profile with at least one step (11) and at least one jump (12), the cam (1) being driven directly or indirectly by the second moving part (3, 3'), and a probe for reading the time information by pressing against the profile of the cam (1), characterized in that the first mobile (2, 2') and the second mobile (3,3') are non-circular moving parts with conjugate profiles, and in that the kinematic chain is configured such that the ratio (R1 / R2) between a first distance (R1) measured between the first axis of rotation (20, 20') and the point of contact (4) and a second distance (R2) measured between the second axis of rotation (30, 30') and the point of contact (4) is greater when at least one step (12) is opposite the feeler than when a part of at least one rung (11) is opposite the feeler. A timepiece comprising a watch movement and such a timekeeping mechanism.

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.