72results about "Horological bearings" patented technology

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.

The present invention provides a bearing that elastically dampens axial shocks. [Solution] The present invention relates to a bearing for the shaft of a watch component, comprising a bearing body 2 including a housing defined by a circumferential wall 20 of the bearing 1 forming a through hole 8, wherein the hole 8 includes a small restraint assembly 10 including a first elastic member 3, and an assembly 27 including a fluid storage space consisting of a second elastic member 6, a pivot element 5, and an end stone element 4, wherein the first elastic member is attached to the first opening 9a of the through hole 8 by being fixed to a through opening provided in the circumferential wall, the first member 3 is configured to elastically dampen at least axial shocks, and in the assembly 27, in this bearing, only the second elastic member of the assembly is fixed to the circumferential wall.

A method and device for manufacturing a bevelled stone, particularly for a timepiece are disclosed. A precursor is produced from a mixture of at least one material in powder form with a binder. The method includes pressing the precursor so as to form a green body, using a top die and a bottom die comprising a protruding rib, sintering the green body so as to form a body of the future stone in at least one material, the body including a peripheral face and a bottom face provided with a groove, and machining the body including a substep of planning the peripheral face up to the groove, such that an inner wall of the groove forms at least a flared part of the peripheral face of the stone.

To provide a carousel that is smaller in thickness than carousels of the prior art.SOLUTION: The invention relates to a carousel 1 for a horological movement 10. The carousel includes: an inertial mass; a guide; a resilient return element for returning the inertial mass, configured to cause the inertial mass to oscillate in a plane; and an escapement mechanism cooperating with the inertial mass. The carousel includes a carriage intended to be rotatable. The inertial mass, the guide, the resilient return element and the escapement mechanism are arranged inside the carriage. The carousel includes a first ball bearing allowing the carriage to rotate when mounted in a horological movement, and a second ball bearing allowing the escapement mechanism to be actuated. The first ball bearing and the second ball bearing are arranged substantially in the same plane.SELECTED DRAWING: Figure 2

A bearing (1) for an axis of a horology component including a bearing body (2) having an enclosure delimited by a peripheral wall (20) of the bearing forming a through hole (8), the hole (8) including a compact restrained assembly (10) including a first resilient organ (3) and an assembly (27) including a storage space (33) for fluid (31) consisting of a second resilient organ (6), a pivot element (5) and an endstone element (4), the first resilient organ (3) being mounted in a first orifice (9a) of the through hole (8) by being secured in through openings provided in the peripheral wall, the first organ (3) being configured to at least elastically damp axial shocks, and in the assembly (27), in this bearing (1) only the second resilient organ (6) of this assembly (10) is secured to the peripheral wall (20).

The invention relates to a method for manufacturing a stone (30), in particular for a timepiece, from a mineral body that is monocrystalline or polycrystalline in nature. The method comprises a step of ablation, in which the body is subjected to material ablation carried out by scanning at least one face of the body using ultra-short pulse laser radiation, the duration of which is less than 100 picoseconds and the beam of which is guided by a precession system having at least three axes and which is configured to at least partially eliminate the angle of the laser cone, which results from the focusing of the laser. The invention further relates to a mineral stone (30) that is monocrystalline or polycrystalline in nature, in particular for a timepiece movement, wherein the stone (30) is obtainable by the method. The stone particularly comprises a face (25) which is provided with a peripheral rim (27), in particular for laterally surrounding an endstone (35) in a bearing.

An organ comprises a rotating element (22) and a magnetic device for rotationally guiding the rotating element, the magnetic device being arranged to exert a radial magnetic biasing force on the rotating element when a central axis (26) of the rotating element undergoes a radial displacement with respect to a given rotation axis (28). The magnetic device comprises a pair of annular magnets, a first annular magnet (32) of the pair of annular magnets being carried by the rotating element and a second annular magnet (34) being carried by a structure of the organ. When the central axis of the rotating element coincides with the rotation axis, the second annular magnet is parallel and axially superposed to the first annular magnet, the first and second annular magnets being in a magnetic attraction arrangement so as to exert a first axial magnetic force on each other and a first radial magnetic force substantially as soon as the central axis of the rotating element is radially displaced from the rotation axis. In particular, the organ is a timepiece movement and the rotating element is a balance.

Disclosed is a micromechanical component, in particular a timepiece wheel, in particular an escapement wheel, comprising a substrate with a first material comprising at least nickel and phosphorus, which substrate is covered, on at least one surface of the wheel substrate, by a coating of a second material comprising at least nickel and poorer in phosphorus than the first material, or devoid of phosphorus, and the second material constitutes the peripheral layer of the wheel at this at least one surface of the substrate.

One aspect of the invention relates to a method for depositing a metal matrix composite coating on a support part, comprising the steps of immersing the support part to be coated in an electrolytic bath containing the metal to be deposited (50), and then proceeding to deposit the metal in a layer on the support part to be coated by electrodeposition (60), characterized in that, prior to immersing the support part to be coated in the electrolytic bath, a two-dimensional material is incorporated and dispersed in the electrolytic bath (30) in a determined quantity to distribute the two-dimensional material homogeneously in the thickness of the metal matrix constituted by the metal deposited in a layer.

The invention relates to a pivot shaft for a timepiece movement, at least one part of which is made of pure tungsten or a tungsten alloy, at least one section of said part being converted into a tungsten carbide layer (5).

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 control module (10) of an electronic device characterized in that it comprises a push button (11) including a striking element (111), a switch (12) adapted to occupy a connected state and a rest state, said striking element (111) being configured to drive the switch (12) into the connected state or into the rest state when the push button (11) is activated, the control module further comprising a damper (116) configured to absorb, by elastically deforming, a portion of the forces involved when the striking element (111) drives the switch (12) into the connected state or into the rest state, at least when said forces are greater than a predetermined threshold.

One aspect of the invention relates to a bearing (1) for a shaft body of a timepiece component, comprising a bearing body (2) comprising a housing delimited by a peripheral wall (20) of said bearing, thereby forming a through-hole (8), said hole (8) comprising a compact binding assembly (10), the binding assembly comprises a first elastic member (3) and an assembly (27) comprising a storage space (33) for the fluid (31), the assembly consisting of a second elastic member (6), a pivot element (5) and a drill holding element (4), the first elastic member (3) being mounted in a first orifice (9a) of the through-hole (8) by being fixed in a through-opening provided in the peripheral wall, and the second elastic member (6) being mounted in a second orifice (9b) of the through-hole (8) by being fixed in the through-opening provided in the peripheral wall. The first member (3) is configured to at least elastically damp axial impacts, and in the assembly (27), in the bearing (1), only the second elastic member (6) of the assembly (10) is fixed to the peripheral wall (20).

A method for manufacturing a watch movement, in which a substrate is made with a first material comprising at least nickel and phosphorus, the substrate is shaped to the geometry of the movement, and the substrate is coated, by galvanic and / or chemical means, at the level of at least one surface of the substrate of the movement, with at least a second material, which constitutes the peripheral layer of the movement at the level of at least one surface of the substrate of the movement, and which comprises at least nickel and is poorer in phosphorus than the first material, or which comprises nickel and is devoid of phosphorus.

Shock absorbing spring (1) for a timepiece (200), extending substantially in a plane (P1) and comprising a first axis of symmetry (A1) perpendicular to the plane (P1), the spring comprising at least two first spring fixing elements (11, 11', 11"), each comprising at least one first fixing surface (11a, 11b, 11a', 11b', 11a", 11b") oriented at least substantially radially with respect to the first axis (A1) and towards the first axis (A1).

A horological movement including a setting stem, a movement winding mechanism, a date display mechanism, a time display mechanism, and a first lever carrying a drive wheel capable of being kinematically connected to the setting stem, and carrying at least one hand-setting wheel to cooperate with the time display mechanism and capable of being kinematically connected to the drive wheel, and a second lever carrying a date correction mechanism capable of being kinematically connected to the drive wheel as well as to the date display mechanism, the second lever being pivotably mounted on the first lever and arranged to move between a meshed position in which the date correction mechanism cooperates with the date display mechanism and a retracted position in which the date correction mechanism is disconnected from the date display mechanism, and the setting stem and the first lever and second lever are arranged to occupy three positions.

The invention relates to a watch movement comprising a striking mechanism (10) of a watch having a vibrating element (11) and a striking device (120) of said vibrating element (11) comprising a hammer (121) fixed in cantilever to a structure of the watch movement by means of blades of a flexible guide (122), said blades (122) being arranged both so as to extend in intersecting directions to a point materializing an instantaneous center of rotation C disposed on an axis T tangent to the vibrating element (11).

The present invention relates to a method for treating a mechanical part (2, 3) comprising a functional surface (8) that is made of NiP and is intended to come into frictional contact with another functional surface, the method comprising a step of oxidising and / or phosphating the functional surface so as to artificially form an oxide layer (9) and / or a phosphate layer (10), respectively, on the functional surface (8), the phosphate layer (10) being a layer of Ni or Zn phosphates.

The present invention relates to a method for treating mechanical parts (2, 3) having a functional surface (8) made of NiP intended to be in frictional contact with another functional surface, the method comprising the step of oxidizing and / or phosphate-chloriding the functional surface (8) in order to artificially form an oxide layer (9) and / or a phosphate layer (10) on the functional surface (8), the phosphate layer (10) being a layer of nickel phosphate or zinc phosphate.

Method for manufacturing a watch assembly (3) comprising a first watch component (1), comprising a connecting portion comprising at least one opening (10), and at least one second watch component (2), distinct from the first watch component (1), comprising at least one conformation (20), at least one of said connecting portion of the first watch component (1) and the conformation of the second watch component (2) forming a part based on sintered zirconia, characterized in that it comprises a step of heat treatment for joining, said heat treatment being predefined to induce a phase change, from the tetragonal phase to the monoclinic phase, or vice versa, of said part based on sintered zirconia, this phase change inducing a change in dimension of at least said part based on sintered zirconia,so as to secure the connecting portion of the first watch component (1) and the conformation of the second watch component (2).,

The present invention provides a pivot shaft made at least partially from pure tungsten or a tungsten alloy that has undergone surface hardening treatment to meet the shock resistance requirements in the watchmaking field. [Solution] The present invention relates to a pivot shaft for a watch movement, wherein at least a portion of it is made of pure tungsten or a tungsten alloy, and at least a portion of this portion is converted into a tungsten carbide layer (5).

Method for manufacturing a timepiece mobile, in which a substrate is produced with a first material comprising at least nickel and phosphorus, the substrate is shaped to the geometry of the mobile, and the substrate is galvanically or chemically coated, on at least one surface of the mobile substrate, with at least one second material which constitutes the peripheral layer of the mobile on the at least one surface of the mobile substrate, and which comprises at least nickel and which has less phosphorus than the first material, or which comprises nickel and lacks phosphorus.

A method is for manufacturing a stone, in particular for a timepiece, from a mineral body of monocrystalline or polycrystalline type. The method includes an ablation step in which the body is subjected to a material ablation by scanning on at least one face of the body using ultra-short pulse laser radiation whose duration is less than one hundred picoseconds, and whose beam is guided by a precession system having at least three axes to at least partially cancel the angle of the laser cone, which is due to the focusing of the laser. A mineral stone of monocrystalline or polycrystalline type, in particular for a horological movement, is likely to be obtained by the method. The stone includes in particular a face provided with a peripheral rim, in particular for laterally clamping an endstone in a bearing.

Flexure based mechanism (1), comprising: - a first body (3) supported on a second body (5) by a guide arrangement (7) comprising at least one flexure arranged so as to permit said main body (3) to displace relatively to said second body (5) from a neutral position according to at least one degree of freedom and subject to a restoring force acting in said at least one degree of freedom and directed towards said neutral position, one of said first body (3) and said second body (5) being a fixed support; - at least one preloaded buckled beam (9) arranged to apply a compensating force to said first body (3), said compensating force having a component acting in said at least one degree of freedom in a positive proportional relationship to a displacement of said first body (3) from said neutral position. According to the invention, said at least one preloaded buckled beam (9) is attached to a preloading structure (10) comprising a preloading body (11) supported by at least two preloading beams (13) preloaded so as to apply said compensating force, said at least two preloading beams (13) extending from opposite sides of said preloading body (11) in a chevron configuration, said chevron configuration defining an apex directed towards said at least one preloaded buckled beam (9).

The invention relates to a method for treating a mechanical component (2, 3) comprising a functional surface (8) made of NiP to be in frictional contact with another functional surface, comprising a step of oxidizing and / or phosphatizing the functional surface in order to artificially form an oxide layer (9) and / or a phosphate layer (10) on the functional surface (8), respectively, the phosphate layer (10) is a Ni phosphate layer or a Zn phosphate layer.

Rotating moving part system (10) of a watch movement, the system (10) comprising a rotating part, for example a balance wheel (13), a first and a second bearing (18, 20), in particular shock absorbers, for a first and a second pivot (15, 17) of the axis (16) of the rotating part, the part having a center of mass (G) at a position on its axis (16), the first bearing (18, 20) having a counter-pivot (22) comprising a main body having a pyramidal cavity (19) configured to receive the first pivot (17) of the axis (16) of the rotating part, the cavity having at least three faces giving its pyramidal shape, the first pivot (17) being able to cooperate with the cavity (19) of the counter-pivot (22) in order to be able to rotate in the cavity (19), at least one contact zone (29) between the first pivot (17) and a face (24) being generated, the normal to the one or more contact zones (29) forming a contact angle (ah) relative to the plane perpendicular to the axis (16) of the pivot (17),characterized in that the contact angle (ah) is less than 45°, preferably less than or equal to 30°, or even less than or equal to arctan(1 / 2).