471results about "Gearworks" patented technology

A timepiece time zone correction mechanism is equipped with a manual control device including two counteracting manual corrector actuators setting in motion a time zone corrector associated therewith including a beak which is configured to bear against a relief of a time zone correction wheel assembly and to cause the assembly to move. The assembly includes a regularly spaced toothing having a first drive level from which a plurality of successive teeth are missing and replaced by a first clearance, and a second drive level parallel to the first drive level, and from which a plurality of successive teeth are missing and replaced by a second clearance. The first clearance and the second clearance are not superimposed with one another. Each time zone corrector cooperates with a single drive level, from among the first drive level and the second drive level, of the time zone correction wheel assembly.

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.

The present application provides a timer, including a base, a driving shaft, and an indicator arm. The driving shaft is rotatably mounted on the base and selectably rotates relative to the base. The indicator arm includes a second support and a plurality of hour blocks. The second support is rotatably connected to the driving shaft. The hour blocks each include a second block body and a second gear. The second block body is rotatably connected to the second support. The second gear is fixedly connected to the second block body. Second protrusion is correspondingly arranged on a rotation path of the second gear around the driving shaft. The second gear has second tooth grooves. The second protrusion selectably extends into the second tooth grooves to drive the second gear to rotate relative to the second support so as to drive the hour blocks to rotate relative to the second support.

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.

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

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

The 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).

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 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.

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.

To provide a system for attaching a display element to a drive shaft fitted to an analog display mechanism of a measurement apparatus.SOLUTION: A system 1 disclosed herein comprises a portion 6 for mounting a display element 2 made of a material having a property of softening, and an embeddable end piece 4a of a drive shaft configured to be incorporated into a mounting portion by melting, the end piece including a part of a peripheral wall 13 of the drive shaft provided with a patterned outer bonding surface configured to mechanically anchor the end piece in the mounting portion.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of clock mechanical transmission, in particular to a coaxial minute hand flyback structure which comprises a frame plate, an hour hand flyback assembly, a minute hand flyback assembly, an hour hand driving gear and a minute hand driving gear, the hour hand driving gear is used for being connected with an hour hand on a dial plate, and the minute hand driving gear is used for being connected with a minute hand on the dial plate. The hour hand driving gear and the minute hand driving gear are coaxially arranged on the frame plate in a manner of rotating around the own axis, and the minute hand flyback assembly is used for driving the minute hand to rotate around the own axis and continuously rotate around the own axis while returning to an initial position after rotating by a first specific angle; and the hour hand fly-back assembly is used for driving the hour hand to rotate around the own axis by 1 / 12 of a second specific angle when the minute hand returns to the initial position, and continuously rotate around the own axis while returning to the initial position after rotating by the second specific angle. The application has the effect of realizing the linkage of the hour hand and the minute hand.

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 method for batch manufacturing of watch components.

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).

To provide a simple, reliable and reproducible friction device and a method of manufacturing the same.SOLUTION: A method of producing a tube (1) for a friction system comprising the tube (1) and an arbor (2), in particular a tube provided to rub around a pinion arbor, the method comprising: a first step of plastic deformation of the tube, in particular, a first step of plastic deformation of the tube that is controlled in deformation; and a second step of hardening of the tube, in particular, hardening by heat treatment.SELECTED DRAWING: Figure 1

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).

Drive device (1) for a clockwork mechanism, comprising a drive member (2) mounted so as to be rotatable about an axis of rotation (10) and configured to drive a clockwork mechanism, the drive member (2) comprising a plurality of bearing surfaces (21), a first transmission member (3) movable from a first position of the first transmission member (3) to a second position of the first transmission member (3) and from the second position of the first transmission member (3) to the first position of the first transmission member (3), a second transmission member (4) movable from a first position of the second transmission member (4) to a second position of the second transmission member (4) and from the second position of the second transmission member (4) to the first position of the second transmission member (4), each transmission member (3; 4) being configured such that, during its movement from its second position to its first position, it drives the drive member (2) in rotation by cooperation with a bearing surface (21) of the plurality of bearing surfaces (21), the second transmission member (4) being configured so as not to block the rotation of the drive device (2) when the first transmission member (3) is driving the drive member (2), and the first transmission member (3) being configured so as not to block the rotation of the drive member (2) when the second transmission member (4) is driving the drive member (2). Timepiece comprising a timepiece movement and such a drive device, in which the first transmission member is moved from its first position to its second position by the timepiece movement, and the second transmission member is configured to be moved from its first position to its second position by a manual control mechanism.

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.