105results about "Automatic winding" patented technology

A measurement system for a plurality of mechanical timepiece movements is disclosed. The invention relates to a case (1) configured to accommodate a plurality of mechanical watch movements (10) in a chained state, each movement being housed in a compartment (5) configured to accommodate and hold the movement according to a predefined orientation. In the position, the upper chain button (8) of the movement is positioned to face a corresponding microphone (7) mounted inside the box body (1). The microphones are configured such that they cancel the detected noise such that the acoustic measurement of each movement (10) is essentially free from noise interference generated by the adjacent movement. The invention further relates to a method for testing a plurality of mechanical movements (10) mounted in a cartridge (1) and to a test system comprising such a cartridge. According to the method, the movement is measured by a plurality of cycles of consecutive and successive measurement periods.

The invention relates to a method for manufacturing the surface of a timepiece component, in particular an external timepiece component, characterized in that it comprises the following steps: obtaining a timepiece component blank forming the core of the timepiece component; -depositing on said core a surface coating made of a ceramic-metal composite to form a hard surface of the timepiece component, said hard surface having a hardness greater than or equal to 500 HV, or even greater than or equal to 600 HV, or even greater than or equal to 750 HV, or even greater than or equal to 900 HV.

To improve watches equipped with automatic clock movements. [Solution] A watch (1) comprising a case 10 into which an automatic watch movement 14 having a vibrating mass 15 is incorporated, the case being closed by a case back 12 and a glass 11, wherein the watch is characterized by comprising a shock-absorbing member 16 made of an elastic polymer material, incorporated into the case and inserted between the vibrating mass and the case back to prevent direct contact between the vibrating mass and the case back in the event of an impact on the watch.

The utility model relates to the technical field of meter meggers, and discloses an adjustable meter megger, which comprises a device shell, a driving motor is fixedly mounted on the inner wall of the rear side of the device shell, a partition plate is fixedly mounted in the device shell, and sound insulation cotton is fixedly mounted on the rear end face of the partition plate and the inner wall of the device shell. And a rotating shaft is fixedly installed at the output end of the driving motor, a clamping mechanism is fixedly installed on the front end face of the rotating shaft, and a drying mechanism is installed on the front side of the inner bottom face of the device shell in a clamped mode. The distance between the pressing block and the placement block is reduced by pressing the pressing block and compressing the spring, then the watch is placed on the placement block, the watchband is wound around the placement block and the elastic block by a circle, and then the spring rebounds and tightens the watchband, so that the watch can be prevented from falling off, and the storage conditions of different watches can be met; and then the placement block is clamped at the front end of the mounting seat and is clamped and fixed through the clamping rod, so that the watch is prevented from falling off in the watch megger process.

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.

The utility model relates to the technical field of meter meggers, in particular to a cantilever beam type automatic meter megger, which comprises a meter megger main component, the upper surface of the meter megger main component is fixedly connected with a storage plate, and a switch controller is welded on the upper surface of the meter megger main component. According to the cantilever beam type automatic watch winder, after a telescopic rod is started, an arranged push plate can be pushed, so that a user can support and connect a watch, then a second output motor needs to be started, the clamped watch can be driven to move up and down after the second output motor is started, then a first output motor needs to be started, and the watch can be conveniently and rapidly connected. After the first output motor is started, an output gear fixedly connected with the top end of an output shaft of the first output motor in a sleeving mode can be driven to rotate, through the arranged transmission gear, a user can rotate a swing arm, in this way, the grasped watch can move left and right, and therefore the user can efficiently swing and grasp the watch.

The application relates to the technical field of mechanical watches, and discloses a kinetic energy recovery device of an automatic winding movement, which comprises a watch dial, a watchband, the watchband is symmetrically connected at the two sides of the watch dial in a rotating mode, a winding rotating column is connected to the watch dial in a rotating mode, an energy storage assembly for winding the watch dial and storing energy is arranged at the bottom of the watch dial, wherein the energy storage assembly comprises a protection disc, the protection disc is fixedly installed at the bottom of the watch dial, a main shaft is connected to the inner wall of the protection disc in a rotating mode, and the top end of the main shaft is fixedly connected with an energy storage torsional spring; the winding rotating column is rotated through a rotating rod and an energy releasing belt, the winding kinetic energy of the watch dial is avoided, the movement cannot provide sufficient energy to the mainspring, the stable operation of the movement is affected, the running time of the watch is obviously deviated or the shaking phenomenon appears, the watch dial has sufficient energy storage, the time display accuracy of the watch dial is maintained, the operation and energy input of manual winding of a wearer are saved, and the watch does not need to be manually wound every day.

A sympatique watch (30), including a horological movement to which are connected a watch hour (31) and minute display (32), including a barrel (33), a resonator (34), a time-setting mechanism, a coupling mechanism (38) to separate a display train (35) and a finishing train (36), a stop mechanism (37) of a resonator (34), and a reset mechanism to move each hour (31) and minute display (32) in a predetermined reference position. The watch includes a first and a second actuator (310, 320) cooperating with a first and a second actuator (210, 220) of the clock (20). The first actuator can occupy three successive distinct positions to act on the coupling mechanism (38), the stop mechanism (37) and the reset mechanism. The second actuator can occupy two end positions alternately to act on the time-setting mechanism, only when the first actuator (310) occupies one of its successive distinct positions.

To provide a method for depositing a coating with at least locally high light absorption on a substrate while avoiding the use of carbon nanotubes and / or graphene particles.SOLUTION: There is provided a method for depositing a coating 20 on a substrate 1, the method comprising: a first step of supplying a substrate; a second step of depositing a first layer 21 formed by depositing a first liquid mixture comprising a binder, a solvent and pigments with a d90 value of nanometric dimension to cover at least a portion of the substrate through evaporation of the solvent; a third step of depositing a second layer 22 formed by depositing a second liquid mixture comprising pigments with a d90 value greater than that of the pigments in the first layer to cover a first portion of the first layer; a fourth step of depositing a third layer 23 formed by depositing a third liquid mixture comprising pigments with a d90 value greater than that of the pigments in the second layer to cover a second portion of the first layer.SELECTED DRAWING: Figure 1

The utility model discloses a rotary meter box which comprises a box body, a mounting plate and a rotating assembly, a driving assembly is arranged below the mounting plate, a first supporting plate and a second supporting plate are arranged on the edge of the lower portion of the mounting plate in a surrounding mode, and a control switch and a charging interface are arranged on the outward side of the second supporting plate. The rotating assembly comprises a fixing support, an eccentric rotating ring, a connecting piece and a C-shaped fixing piece, the length of the connecting piece is equal to the diameter length of the outer circle of the eccentric rotating ring, clamping grooves are formed in the two ends of the connecting piece, a protruding block is arranged on one side of the middle of the connecting piece, and a deformation buffering groove is formed in the other side of the connecting piece and extends into the protruding block. According to the utility model, the connecting piece and the eccentric rotating ring can be quickly disassembled and assembled, the mounting direction can be adjusted as required, and the operation is simple; the driving assembly is mounted below the mounting plate, a containing space is formed through supporting of the first supporting plate to protect the driving assembly, and the second supporting plate is retracted to avoid the position so as to prevent the control switch from being shifted.

One aspect of the invention relates to a method for applying (100), to a substrate (1), a visible light-absorbing coating (20) to form an article (10), such as a timepiece component, said application method (100) being characterized in that it comprises: a first step (110) of providing a substrate (1); a second step (120) of applying a first layer (21) covering at least one portion of the substrate (1) by application of a first formulation comprising a binder, a solvent and pigments having an average size in the nanometric range, the first layer being formed by evaporation of said solvent; a third step (130) of applying a second layer (22) at least partially covering the first layer (21), by application of a second formulation comprising a binder, a solvent, pigment agglomerates dispersed in the binder and a coupling agent, the agglomerates being composed of a mixture of pigments having different particle sizes, and the second layer being formed by evaporation of said solvent.

The process for obtaining a colored surface of a watch component comprises the following steps: a) Depositing a layer of metal onto the exposed area of ​​said surface by PVD or CVD, the metal being selected from titanium, chromium, tantalum, their oxides and nitrides, as well as alloys of these metals. b) Applying a paint, lacquer, or varnish of its own color to the metal layer. Said surface is a silicon, oxidized silicon, glass, or metallic glass surface.

An oscillating mass (1) for a self-winding timepiece including a carrier bow (2) including a first transmission part (20) provided with coaxial toothing (21) to drive the winding of the timepiece and a second supporting part (22), and including a heavy sector (3) or attached to the second supporting part of the carrier bow (2). The heavy sector (3) is attached to the carrier bow at several points via blom studs (4) with an uneven surface to form a reservoir for holding glue.

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 support for a watch movement, in particular a bridge or a mainplate. This support comprises a base and an interface for receiving a watch component. Remarkably, the support also includes a damper disposed between the base and the interface and arranged to absorb vibrations between the watch component and the base of the support. The invention also relates to a movement comprising such a support and a timepiece comprising such a movement.

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).

The invention relates to a method for decorating a substrate (11) to produce a covering part (10) comprising the successive steps of: - deposition of a masking layer (12) in an electrically insulating material by polymeric sol-gel method on a covering surface (110) of a substrate (11) made of metallic material; - removal of a part of the masking layer (12) over its entire thickness so as to generate a cavity (13) whose shape defines a predetermined pattern; - deposition of a decorative layer (14) in the cavity (13).

The invention relates to an automatic movement timepiece (10) comprising: a case comprising a middle (12) and a crystal (22) that closes an opening; a movement (24) secured inside the case; and an oscillating winding weight (30) comprising an edge that forms an imbalance mass (32) attached to a connecting member (34) connecting the edge to a shaft (36) capable of winding an energy storage mechanism, the connecting member being made of a transparent material. The connecting member for connecting the oscillating weight is accommodated between the movement and the crystal so as to allow the movement to be observed from the outside through the crystal and the connecting member. An annular cavity is provided in the middle or between the middle and the movement to allow the edge to rotate around the movement. The diameter of the opening closed by the crystal is smaller than the inner diameter of the edge (32).

The invention relates to a timepiece movement (10), in particular comprising a base (12, 12a, 12b), a gear (11), a barrel (60) and an automatic winding mechanism for winding the barrel (60). The winding mechanism comprises a weight (14) hingedly mounted on a base (12a, 12b) by means of a rotating arm (30a, 30b, 30c, 30d) such that the weight (14) can perform a circular translational movement. The winding mechanism further comprises a transmission arranged to transmit movement of the hammer (14) to the barrel (60). The spring hammer (14) is connected to the rotating arm (30a, 30b, 30c, 30d) in order to constrain the circular translational movement of the hammer (14) in a plane parallel to the general plane of the timepiece movement. The rotating arms (30a, 30b, 30c, 30d) are also free to pivot over 360 degrees.

The present invention relates to a method for manufacturing a watch component, which comprises assembling gold alloys to create a powder mixture for producing an alloy having a particular color, said powders being combined and arranged to produce a visual effect on said watch component. The invention further relates to a watch component and to a watch comprising at least one said watch component.

To provide an automatic winding mechanism that does not hide the movement. [Solution] The present invention relates to a watch movement comprising a base (12, 12a, 12b), a gear train (11), a barrel (60), and an automatic winding mechanism for winding the barrel (60). The winding mechanism comprises a winding weight (14) articulated to the base (12a, 12b) by a plurality of rotating arms (30a, 30b, 30c, 30d) so that the winding weight can undergo a circular translational movement. The winding mechanism further comprises transmission means arranged to transmit the movement of the winding weight (14) to the barrel (60). The winding weight (14) is connected to the rotating arms (30a, 30b, 30c, 30d) so that its circular translational movement is limited to a plane parallel to the general plane of the watch movement. Furthermore, the rotating arms (30a, 30b, 30c, 30d) can freely rotate 360°.

This invention provides a clock that improves the sound quality of internally generated sounds. The clock includes: a first component that generates sound; and a second component formed of a metal primarily composed of magnesium that absorbs vibrations caused by the sound generated by the first component. In the case where the first component is a pawl and a drive wheel, the second component includes a pendulum clamp supporting the pendulum and a pawl presser that presses the pawl.

The utility model relates to a positionable watch with a mechanical display. The watch has a mechanical display and comprises: a watchband 1 for attaching the watch to a wrist of a user; a watchcase 2 attached to the watchband and enclosed by a transparent lens 3, the watchcase 2 comprising: a dial 4 fixed relative to the watchcase 2; the pointer 5 is used for indicating time; a mechanism 7 supplied with energy by the energy storage device 6 and configured to rotate the pointer 5. The watch further comprises an electronic circuit 8 and an antenna 9 configured to wirelessly transmit an electromagnetic signal showing identification information of the watch to a device separate from the watch. The antenna 9 is located in the watch case 2, and the watch case 2 further comprises a part which covers the antenna and is made of a material which is transparent to electromagnetic signals.

A method for optimising an operation of setting and winding a watch or the timepiece movement thereof including initially making a measurement of the operation of the watch or of the timepiece movement followed by an activation of an operation of low-amplitude reciprocating movements of the watch or of the timepiece movement on the jig of the device, or initially implementing an activation of an operation of low-amplitude reciprocating movements of the watch or of the timepiece movement before making a measurement of the operation of the watch or of the timepiece movement, and resuming low-amplitude reciprocating movements in phase or a synchronisation step being implemented at the end of the first two steps. The first oscillating signal of movements includes a change in sign of the absolute rotation speed in each successive oscillation period, the oscillating signal having a positive part and a negative part of the rotation speed.

A method for finishing the surface of a timepiece component, in particular an external timepiece component, characterised in that it comprises the following steps: - providing a timepiece component comprising a hard surface with a hardness greater than or equal to 500 HV, or greater than or equal to 600 HV, or greater than or equal to 750 HV, or greater than or equal to 900 HV; - structuring the hard surface with a laser in order to form reliefs and / or colouring of the hard surface.

The invention relates to a method for manufacturing a timepiece part, comprising the following steps: obtaining a block to be processed; forming a timepiece component blank having a shape rotating about a rotation axis (A); wherein the method comprises the step of machining the blank with an eccentric laser beam, the direction of which is not parallel to the axis of rotation (A), does not intersect the axis of rotation (A) and is not tangent to the blank to be machined.

The invention relates to a watch component (1) at least partially covered with a decorative coating (20) comprising at least one layer (20A) based on titanium and aluminum carbide stacked with at least one layer (20B) based on oxide allowing to obtain a decorative coating (20) with a black appearance with a reflectance of less than 5% on the human visible spectrum.

The present invention relates to a method for manufacturing a metal element of a piece of jewelry or a timepiece, the method comprising the steps of: (a) shaping and agglomerating a solid composition comprising a metal powder and optionally an organic binder, the metal powder consisting of particles of an alloy selected from the group consisting of the following alloys: * gold alloys containing at least 583 wt‰ gold; * silver alloys containing at least 750 wt‰ silver; * platinum alloys containing at least 850 wt‰ platinum; shaping the mixture, forming an agglomerate of metal particles; (b) forming a metal element by sintering the agglomerate of metal particles on a support at a sintering temperature Tfri, the support having a coefficient of thermal expansion ΔV1, the agglomerate of metal particles having a coefficient of thermal expansion ΔV2, where 0.5*|ΔV2| ≤ |ΔV1| ≤ 1.5*|ΔV2| over a temperature range between * Tfri-200°C and Tfri for gold or silver alloys; * Tfri-400°C and Tfri for platinum alloys, the support and the agglomerate of metal particles being made of different materials.