168results about "Clock driving mechanisms" patented technology

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.

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.

Part for a timepiece movement, made of a composite material comprising a rigid matrix and a forest of nanotubes contained in the rigid matrix.

Electromechanical clock movement (2) comprising an analog time display device (25, 26) and equipped with at least one electromechanical motor, for driving at least one indicator of the analog time display, and a generator (20) comprising a rotor (20A) and associated with an oscillating mass (22) coaxial with the time display device, this clock movement comprising a first wheel (40) equipped with a shaft (36), coaxial with said indicator, which is guided in rotation, in a main embodiment, by a fixed cylindrical tube (30) around which is mounted, movable in rotation, at least one cannon (26) of the time display device. The first wheel (40) is in mesh relationship with the generator rotor and is fixedly connected to the oscillating mass, on the opposite side to the analog time display, so that this oscillating mass can drive the generator rotor in rotation via the first wheel.

An energy storage system (1) for a mechanical watch, said energy storage system comprising a helical spring (2) for storing mechanical energy to drive the mechanical watch, the spring (2) comprising a series of interconnected repeating elements (4) wherein each two adjacent elements (4) are interconnected by a connecting portion (5), the invention relates to a coil spring (2) comprising a plurality of repeating elements (4) connected to each other and arranged to receive energy stored in the coil spring (2), in which the repeating elements (4) are engaged by a guiding system (7) separating adjacent turns of the coil in order to prevent said adjacent turns from getting stuck.

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

Method for producing a surface (20) of revolution of a watch component (1), the method comprising: - a machining step with a femtosecond laser beam of a first surface of the watch component so as to obtain a second surface, in particular so as to obtain a second surface whose roughness Ra is less than 100 nm, or even less than 70 nm, then - a tribofinishing step applied to the second surface so as to obtain said surface of revolution, the surface of revolution being ceramic.

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.

A hand-setting device for a watch, which device includes a winding stem configured to occupy a hand-setting position in which it is engaged with a hand-setting gear train kinematically connected to a time display and to a 24-hour wheel, the 24-hour wheel being engaged with a barrel for providing energy for displaying a time value, the barrel including a click mechanism configured so as to permit rotation of the barrel through more than one revolution when the winding stem is rotated in a first direction, and so as to limit rotation of the barrel to an angular amplitude corresponding to less than one revolution when the winding stem is rotated in a second direction.

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.

To provide a clutch device for timepieces that realizes a large degree of freedom regarding component arrangement, the overall height of which is small, and which realizes smooth action for a slight stroke request to a clutch disk.SOLUTION: A clutch device for timepieces comprises: a clutch input wheel 1 capable of rotating on a shaft 2 fixed in the axial direction and located to be displaceable in the axial direction; a clutch output wheel 6 firmly located on the shaft 2; a first clutch disk 4 located to be rotatable and displaceable on the shaft 2, loaded to the clutch input wheel 1 by a spring force, and capable of loading the clutch input wheel 1 to be unable to relatively rotate on the shaft 2, and to come into contact with a second clutch disk 3 in a frictional engagement manner that is immovably secured in the axial direction; and an annular groove 7 which is open toward the radially outward of the outer circumferential surface of the first clutch disk 4 and is movable from a connection position at which the first clutch disk 4 loads the clutch input wheel 1 by a claw 8 to a disconnection position.SELECTED DRAWING: Figure 1

To provide a winding device provided with a system for limiting the tightening of a spring, which replaces a system based on the sliding of a strip against notches formed in an internal wall of a drum.SOLUTION: A disengageable winding device 10, in particular for a barrel 2 provided with a spring, comprises: a ratchet 3 mounted on a winding arbor and rigidly connected to the winding arbor; and a winding gear train 40 meshing with the ratchet. Rotation of the arbor winds up the barrel. An actuating wheel set 31 meshes with the winding gear train in an engaged position. The winding gear train is mounted to be able to slide about a rotary arbor 26 out of the engaged position when a torque applied to the winding gear train is substantially greater than a threshold value, in particular when the barrel is fully wound up.SELECTED DRAWING: Figure 1

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 time-setting device (10) for a watch, comprising a winding stem (11) configured to occupy a time-setting position in which it is engaged with a time-setting gear train (20) kinematically connected to a time display (30) and to a 24-hour wheel (31), the 24-hour wheel (31) being engaged with a barrel (40) intended to provide the energy necessary for displaying a time value, the barrel (40) comprising a ratchet mechanism (41) configured so as to allow rotation of the barrel (40) over more than one revolution when the winding stem (11) is rotated in a first direction, and so as to limit rotation of the barrel (40) to an angular amplitude corresponding to less than one revolution when the winding stem (11) is rotated in a second direction. sense.

To provide a mechanical timepiece with a long duration time, and a method for assembling the mechanical timepiece.SOLUTION: A mechanical timepiece 1 is driven by a spring 30 including a case 21 and a substantially circular movement 12 in the case. The spring 30 is contained in a barrel 15 having a protruding part 16 with a part protruding from a substantially circular outer circumference of the movement 12. The case 21 has a body part 23 and a bottom part 26. In the inner peripheral part 24 of the body part 23, there is a missing part 25 containing the protruding part 16.SELECTED DRAWING: Figure 6

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.

An electronically controlled mechanical timepiece includes: a rotor including a rotary shaft, a pinion that is provided on the rotary shaft and to which torque from a mainspring is transmitted, and a rotor magnet attached to the rotary shaft, the rotor being configured to rotate by the torque; a generator that includes a coil and a stator and that is configured to generate power by rotation of the rotor; a main plate that contains a magnetic material, that has an opposing surface opposed to the stator, and that is configured to support the rotary shaft of the rotor; wherein in a cross-sectional view viewed from a direction perpendicular to an axial direction of the rotary shaft, a center of the stator along the axial direction is disposed farther toward the opposing surface side than a center of the rotor magnet along the axial direction.

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.