112results about "Clock driving mechanisms" patented technology

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.

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.

Method for manufacturing watch components (100), comprising the steps of: (a) taking a wafer (10) comprising a support layer (20), a working layer (30) and a buried layer (40) formed of graphene and separating the working layer (30) from the support layer (20), (b) etching at least a part of the watch components into the working layer (30), (c) separating the working layer (30) from the support layer (20) and / or the buried layer (40) formed of graphene.

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 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.

This invention relates to a watch movement including a generator. The electromechanical watch movement (2) includes pointer-type time display devices (25, 26) and is provided with: at least one electromechanical motor for driving at least one indicator of the pointer-type time display; and a generator (20) including a rotor (20A) and associated with a balance wheel (22) coaxial with the time display device. The watch movement includes a first wheel (40) provided with a shaft (36) coaxial with the indicator, which in a primary embodiment is guided to rotate by a fixed cylindrical tube (30). At least one gear shaft (26) of the time display device is rotatably mounted around the fixed cylindrical tube (30). The first wheel (40) meshes with the rotor of the generator and is fixedly connected to the balance wheel on a side opposite the pointer-type time display, such that the balance wheel can rotate the rotor of the generator via the first wheel.

This invention discloses a clock-controlled delayed release device for coal mine boreholes, comprising, from back to front, an anchoring claw, a connecting cylinder, a mechanical clock, a release structure, and a cable connector. The anchoring claw includes a fixed rod with at least one anchoring structure. Each anchoring structure includes a first through groove on the fixed rod and a pair of symmetrically distributed first grooves on the fixed rod, with a second through groove between the pair of first grooves. The device utilizes the timing function of the mechanical clock to achieve delayed release of the cable connector. Furthermore, it uses the energy stored in the mechanical clock's spring to rotate a release cam via a worm gear reducer, thus releasing the cable connector. This allows for the timely retrieval of the cable lowered into the borehole, the sensor mounted on the cable, and the cable connector, solving the technical problem in existing coal mine boreholes where sensors cannot be released after anchoring.

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.

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).

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.

The single-use disposable elapsed time indicator and method for using the same can include an indicator having a chamber and a longitudinal channel for receiving a volatile fluid. A sponge is disposed and secured within the longitudinal channel and configured to allow evaporation of the volatile fluid from within the longitudinal channel to outside the longitudinal channel. A spring is included within the longitudinal channel that presses against an end of the chamber and urges a plunger, the plunger being secured and movable within the longitudinal channel along its longitudinal axis. The spring is configured to apply a force to the plunger along the longitudinal axis within the longitudinal channel as the volatile fluid in the longitudinal channel evaporates through the sponge, moving the plunger from the first end of the chamber toward the second end of the chamber. Movement of the plunger thereby indicates elapsed time along the graduated scale.

The invention relates to a method for manufacturing a timepiece component (1) made of CuZn42 brass with a hardness of between 120 and 190 HV2, the method comprising the following steps: - providing a semifinished part that has been shaped by deformation, the semifinished part having a hardness of between 130 and 220 HV2 and being made from a CuZn42 brass material, - subjecting the semifinished part to a stress-relieving heat treatment at a temperature of between 170 and 230°C with a holding time at this temperature of between 20 minutes and 10 hours, preferably between 30 minutes and 5 hours, more preferably between 1 hour and 4 hours, - machining and finishing the semifinished part to create the timepiece component (1). The invention also relates to the timepiece component made from a CuZn42 brass.

The invention relates to a method for manufacturing a timepiece component (10), characterised in that the method comprises the following steps: - providing a ceramic or ceramic-based 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, and 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 30,000 rpm, or even greater than or equal to 32,000 rpm, or even greater than or equal to 35,000 rpm, or even greater than or equal to 38,000 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.

An assembly (10) including a first and a second micromechanical part (11, 20) engaging with each other, the first part (11) including a plate (12) from which extends a connecting member (13) formed by a protruding body having at least one radial shoulder (130) forming a surface of revolution, and at least one axial shoulder (131) formed by a radially extending shouldering (132) and generating an allowance on the plate (12), the connecting member (13) on the first part (11) engaging in a pivot connection with a complementary connecting member (21) on the second part so that the second part is pressed against the axial (131) and radial (130) shoulders.

The invention relates to a method for manufacturing a timepiece component, 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 invention relates to a single-barrel double-spring internal axial series prime mover for a watch, and the prime mover comprises a double-layer barrel which is provided with a cavity for accommodating springs; the number of the clockwork springs is two, the clockwork springs are installed in the cavity of the double-layer strip box, and the outer ends of the two clockwork springs are connected with the double-layer strip box; the number of the strip shafts is two, the two strip shafts are rotatably installed in the middle of the double-layer strip box, and the inner ends of the two springs are connected with the two strip shafts correspondingly; the two clockwork springs and the two strip shafts are axially connected in series in the double-layer strip box to form a double-clockwork-spring prime mover mechanism with a compact structure, so that the planar and axial space of a watch movement is greatly saved, doubling storage of clockwork spring energy is realized, and the endurance time is effectively prolonged; and the structure is symmetrical, the input end and the output end are universal, energy transmission is efficient, a friction transmission structure is matched, stable operation of a multifunctional display system can be supported while accurate time indication is guaranteed, the overall performance is better, and adaptability is higher.

The present invention relates to a watch assembly (1) of a stud (81), in particular a barrel stud, on a blank (91), in particular a bridge or plate (91), the stud (81) comprising a first axis (A80) and a shoulder (82) extending at least in a radial direction of the first axis (A80), the blank (91) comprising a groove (92) along a second axis (A90), the stud and the blank being constructed and / or arranged to prevent translation of the stud along the first axis relative to the blank and to allow, during assembly, sliding of the stud in translation in the groove along the second axis (A90), perpendicular to the first axis.

The invention relates to a timepiece movement comprising a power reserve display device (10) and at least one barrel (11, 12), said timepiece movement being characterised in that said power reserve display device comprises:-a winding mechanism comprising a winding gear train (15),-a reduction gear train (16) which is connected to the barrel or one of the barrels (11; 12), a differential (14) arranged to kinematically connect the winding gear train (15) to the barrel (11) via a first input on the differential, the differential comprising a second input through which the differential is connected to the reduction gear train (16), and the differential comprising an output through which the reduction gear train (16) is connected to the barrel (11). The first and second inputs and outputs on the differential are coaxial,-a power reserve display module (17) engaged with an output on the differential (14).

To transmit high torque, to facilitate manufacture, and to provide easily manageable reproducibility of applied friction torque.SOLUTION: An arbor 1 having a longitudinal axis L, a first fixing element 2 having a first bearing surface mounted to rotate integrally with the arbor, and a second fixing element 7, a toothed part 3 being mounted to rotate freely on the arbor between the first fixing element and the second fixing element, the toothed piece is integral with a socket joint 4 having a second bearing surface 42, and the second fixing element comprises a body 72 and an elastic bracket 71 projecting from the body and extending towards the toothed piece, the elastic bracket being designed to be elastically pressed against the second bearing surface and to deform elastically under strain to form a kinematic linkage both between the first fixing element and the toothed piece, and between the second fixing element and the socket joint integral with the toothed piece, up to a predetermined friction torque.SELECTED DRAWING: Figure 2

To provide an annular oscillating mass which offers improved shock resistance and does not generate stress that could impair the geometry of a toothed bow.SOLUTION: An oscillating mass (1) for a self-winding timepiece is provided, including: a carrier bow (2) comprising a first transmission part (20) provided with coaxial toothing (21) to drive winding of the timepiece and a second annular supporting part (22); a heavy sector (3) attached to the second annular supporting part (22) of the carrier bow (2). The heavy sector (3) is attached to the carrier bow (2) at several points via blom studs (4) with uneven surfaces to form a reservoir for holding glue.SELECTED DRAWING: Figure 1

The invention relates to a friction system (100) for a clock movement comprising: a shaft (1), with longitudinal axis (L), a first fixed element (2), mounted rotationally fixed on the shaft (1); said first fixed element (2) having a first bearing surface (40); a second fixed element (7) mounted rotationally fixed on the shaft (1); a toothed member (3), mounted freely in rotation on the shaft (1) between the first fixed element (2) and the second fixed element (7);characterized in that the toothed member (3) is integral with a sleeve (4) having a second bearing surface (42), and in that the second fixed element (7) comprises a body (72) configured to be rotationally integral with the shaft (1) and elastic tabs (71), projecting from the body (72) extending in the direction of the toothed member (3), said elastic tabs (71) being in elastic contact with said second bearing surface (42) of the sleeve (4), said elastic tabs (71) being arranged to deform elastically under stress from the second bearing surface (42) and to form a kinematic connection both between the first fixed element (2) and the toothed member (3) and between the second fixed element (7) and the sleeve (4) integral with the toothed member (3) up to a predetermined friction torque.

This invention provides a novel manufacturing method that enables the production of multi-colored ceramic components. [Solution] A method for manufacturing a multi-colored, one-piece ceramic part is provided. The method comprises the steps of: preparing a plurality of ceramic powders or cermet powders having different compositions and / or colors from each other, wherein the ceramic powders or cermet powders consist only of ceramic elements, carbides, nitrides, oxides, or mixtures thereof; depositing the powders in a mold; and sintering at a temperature between 600°C and 1800°C and 5N / mm². 2 From 250 N / mm 2 The manufacturing method includes the steps of: performing flash sintering or discharge plasma sintering at a sintering pressure between 10 minutes and 180 minutes over a total cycle time between 10 minutes and 180 minutes to form a multi-color ceramic component; and demolding the obtained multi-color ceramic component and finishing the multi-color ceramic component. Preferably, the ceramic component is a watch component used as an exterior component or in a movement.

The utility model discloses a movement of a gear transmission mechanism of a tourbillon stopwatch, relates to the technical field of movement transmission mechanisms of mechanical watches, and aims to solve the problems that the movement of the tourbillon stopwatch is large in gear transmission difficulty and large in energy loss. The barrel wheel component is connected with a center wheel component in a meshed mode, the center wheel component is connected with a third wheel component in a meshed mode, the second transmission component comprises a second transmission gear shaft, a second transmission piece and a second transmission wheel, the second transmission gear shaft is connected with the third wheel component in a meshed mode, and the second transmission piece is connected with the second transmission wheel in a meshed mode. The second transmission piece is in meshed connection with a second idle gear part, the second idle gear part is in meshed connection with a second setting gear part, and the second setting gear part is connected with a tourbillon mechanism. And the second transmission wheel is in meshed connection with a second metering idle gear assembly.

The invention relates to a barrel (1) for an automatic-winding timepiece, comprising a drum (11) having an axis AA and provided with an inner lateral wall (12), and a main spring (2) forming a winding device comprising an outer ring (21), the end (22) of which is frictionally coupled to the inner lateral wall (12) and free to slide against the inner lateral wall (12) in the event of overwinding of the main spring (2). According to the invention, the end (22) of the outer ring (21) comprises an outer face (23) having two friction surfaces (24, 25) arranged in the top and bottom portions of the outer ring (21) and placed in contact with the inner lateral wall (26) in such a way that the portion between the friction surfaces (24, 25), called the intermediate portion (26), is not in contact with the inner lateral wall (12), the intermediate portion (26) forming a reservoir (27) for lubricant between the two friction surfaces (24, 25).

A timepiece movement includes a power reserve display device including a planetary mechanism. The invention relates to a timepiece movement comprising at least one barrel (11, 12) and a device (10) for displaying a power reserve, said device comprising: an upper chain mechanism comprising an upper chain train (22); a reduction gear train (15) that meshes with the barrel (11; 12) or one of the barrels; a differential gear (13) arranged to kinematically couple the upper sprocket train (22) and the barrel (11) via a first lead-in on the differential gear (13), the differential gear (13) comprising a second lead-in through which the differential gear is coupled to the reduction gear train (15) and comprising a lead-out; a power reserve display module (16) comprising a planetary mechanism (160) engaged with the lead-out on the differential gear (13).

An energy storage system (1) for a mechanical watch, said energy storage system comprising a spring (2) for storing mechanical energy to drive a mechanism of the mechanical watch, wherein the spring (2) comprises two or more layers (3, 4, 5), each layer comprising multiple movable rigid portions (6, 7, 8), wherein the multiple rigid portions in any one layer (3, 4, 5) are without direct connection to other rigid portions in the same layer (3, 4, 5), and wherein flexures (9) connect each of the multiple rigid portions (6, 7, 8) in any one layer (3, 4, 5) directly to one or more rigid portions (3, 4, 5) in another layer or layers (3, 4, 5), said flexures (9) connecting said rigid portions in different layers (3, 4, 5) to form the spring (2) as an integral unit which enables that each rigid portion (6, 7, 8) in a layer (3, 4, 5) is movable with respect to other rigid portions in the same layer and / or with respect to the rigid portions in other layers.