142results about "Frequency setting mechanism" patented technology

An object of the present invention is to provide a timepiece rate stabilizer that uses an external reference but does not directly inject mechanical vibrations into the balance, and that can stabilize the rate over a long period of time with extremely low power consumption. [Solution] We provide a rate stabilizer for mechanical watches that is based on a statistical driving method with constant pulse width and amplitude and autonomously switches between four modes based on actual current consumption: normal mode using phase shift, ΔΣ1 bit stream mode, low detune frequency hopping mode, and chirp search mode.Without modifying the hairspring at all, we achieve both rate stability and low power consumption while maintaining constant instantaneous energy.

The invention relates to a regulating organ (1) for a clockwork movement comprising an inertial mass, for example an annular balance wheel (23), a balance spring (25), and a regulator system (20) for adjusting the rate of the balance spring (25). The balance spring (25) comprises a wound ribbon (2) and means for adjusting the stiffness of the balance spring having an elastic element (5) arranged in series with the wound ribbon (2). The regulator system (20) comprises a stud holder (31) having a first stud (34) and a second stud (35). The elastic element (5) is arranged between the first stud (34) and the second stud (35), the first stud (34) being movable relative to the second stud (35), the movement of the first stud (34) modifying the stiffness of the balance spring (25).

A balance-spring stud holder includes a clamping part defining three contact zones intended to press against a lateral wall of a projecting part of the balance bridge, a first contact zone being connected to a second contact zone by a first part and to the third contact zone by a second part of the clamping part. The first part has a first stiffness at a second median point of the second contact zone, relative to a first median point of the first contact zone, which is greater than three times a second stiffness that the second part has at a third median point of the third contact zone relative to the first median point of the first contact zone. The first stiffness can be seven times greater than the second stiffness.

A method for the fine adjustment of the rate of a mechanical oscillator with an oscillating inertial mass, equipped, in a first step, with an actuator made of material suitable for irreversible local micro-expansion under the action of laser fires, to impart to an inertia-block a radial travel during suitable laser fires on a writing zone of the actuator, in a second step, the initial rate of the oscillator is set and measured, in a third step, the direction and the value of the deviation required to achieve a predetermined rate range, and of the travel to be imparted to inertia-blocks are calculated, in a fourth step, a writing zone is subjected to femtosecond laser fires to create expansion lines by local molecular expansion to radially deform the actuator, in a fifth step the rate is measured and the third step and fourth step are repeated if required.

The present invention relates to a device (6) for autonomous adjustment of the active length of a balance spring (5), for a balance-spring type oscillator (4, 5), comprising a cock (12) mounted on a plate (13) of a watch movement (2) and in which a balance shaft pivots, the balance spring (5) having an inner end fixed to the balance shaft and an outer end fixed to a stud (8) attached to a stud holder (10), the stud holder (10) being pivotally mounted on the cock (12) concentrically with the balance shaft, and means for modifying the active length of the balance spring (5).

The invention relates to an assembly for a timepiece movement comprising a first timepiece component (22), for example a balance bridge, and a second timepiece component (30), for example an actuator of an actuation system, the assembly (1) comprising means for assembling the first timepiece component (22) against the second timepiece component (30), the assembly means comprising at least a first stud (43) arranged on the first component (22) and at least a first notch (41) arranged on the second component (30), the first notch (41) comprising a first flexible element (48) arranged inside, such that the stud (43) is held in the first notch (41) by pressing of the flexible element (48) on the stud (43).

The utility model relates to a watch movement and a watch. The watch movement comprises a mechanical resonator composed of a balance wheel and a balance spring; means for setting the oscillation frequency of the mechanical resonator; and a mechanism for setting a guide mark on the mechanical resonator. The moving member of the setting device includes a mechanism for attaching the outer end portion of the hairspring and a mechanism for defining the effective length of the hairspring. The mechanism for varying the effective length includes a first gear carried by the moving member and a first tooth arranged along the outer end portion of the hairspring, the first gear meshing with the first tooth. The fastening mechanism retains the outer end portion by friction so that the first gear can drive the outer end portion via the first teeth and thus change the effective length of the hairspring. The first gear is in meshing relationship with a second gear that is integral with the resonator support such that when the outer end portion undergoes angular displacement in a selected direction relative to the moving member, the moving member is simultaneously angularly displaced by a corresponding angular distance in an opposite direction.

To provide a mechanical assembly allowing secure attachment without resilient deformation of an outer last coil of a balance spring and without use of any adhesive.SOLUTION: An assembly for removable attachment of a balance spring 2 includes means 8 of retaining the balance spring 2 on one hand, and a removable locking part 10 on the other hand. A second free end 18 of an outer last coil 20 of the balance spring 2 includes attachment means in which the retaining means 8 is engaged to ensure the removable attachment of the balance spring 2 by the outer last coil 20. The attachment means is dimensioned such that, in its natural rest position, the balance spring 2 is not in contact with the retaining means 8 engaged with the attachment means. The locking part 10 for the removable attachment of the second free end 18 of the outer last coil 20 of the balance spring 2 is engaged with the retaining means 8 to lock the attachment means.SELECTED DRAWING: Figure 1

The invention discloses a tourbillon structure of a mechanical watch with counterweight compensation, and relates to the technical field of mechanical watch application, the tourbillon structure comprises a frame plate, a first direction shaft, an outer tourbillon, a second direction shaft, an inner tourbillon, an escapement mechanism and a transmission system, the outer tourbillon is rotatably connected with the frame plate through the first direction shaft, and the outer tourbillon is rotatably connected with the frame plate through the second direction shaft; the outer tourbillon is rotatably connected with the inner tourbillon through a first direction shaft, the axis of the outer tourbillon is perpendicular to the first direction shaft, the inner tourbillon is rotatably connected with the outer tourbillon through a second direction shaft, the escapement mechanism is arranged on the inner tourbillon, and the escapement mechanism comprises an escapement wheel, an escapement fork and a hairspring balance wheel. And in combination with an inertia fine adjustment mechanism on the balance wheel, collaborative optimization is performed from two levels of frame dynamic balance and speed regulation period, so that the problem of uneven mass distribution easily caused by a complex structure of the double-shaft tourbillon is effectively solved, and frictional resistance and unnecessary energy loss of the rotating frame are remarkably reduced.

The invention relates to a timepiece comprising a mechanical movement and an adjusting device for adjusting the travel time difference, the adjusting device comprising a rotary movable part and an adjusting movable part capable of controlling the angular position of the rotary movable part. The adjustment device further comprises a lever provided with a connecting gear train, the lever being rotatable by a user-actuated button between a disengaged position and a coupled position, in which the adjustment movable is kinematically connected to the movable on the correction device via the connecting gear train, and in which the adjustment movable is kinematically connected to the movable on the correction device via the connecting gear train. The correction device comprises a control spindle equipped with a crown to enable actuation of the movable part, or an adjustment movable part kinematically connected to a driving movable part of an indicator via a connecting gear train, said driving movable part being drivable by the correction device when correcting the data displayed by the indicator, the travel time difference of the timepiece can be adjusted by moving the lever to the coupled position by actuating the button, translating the crown to move the control spindle to a given axial correction position, and then rotating the crown.

The present invention relates to a homogeneous balance staff made of a non-magnetic alloy comprising, by mass percentage, between 50 and 55% Nickel, between 17 and 21% Chromium, between 2.8 and 3.3% Molybdenum, between 4.75 and 5.50% Niobium, between 0 and 1.0% Cobalt, between 0 and 0.35% Manganese, between 0 and 0.30% Copper, between 0.20 and 0.80% Aluminum, between 0.65 and 1.15% Titanium, between 0 and 0.35% Silicon, between 0 and 0.08% Carbon, between 0 and 0.015% Sulfur, between 0 and 0.015% Phosphorus, and between 0 and 0.006% Boron, and the remainder of Iron.

The timepiece movement according to the invention comprises: a control stem (3) movable by pulling the stem in an axial direction; a resonator (4) comprising a rotating balance wheel (10) mounted on a flexible blade; and a mechanism for stopping the swing of the balance wheel. The mechanism comprises a lever (23) connected to the stem such that the lever pivots about a pivot axis (24) when the stem is pulled or pushed, and an auxiliary lever (30) connected to the lever such that the pivot lever causes the auxiliary lever to rotate about a rotation axis (31) separate from the pivot axis (24). The auxiliary lever is arranged such that, when following its angular path starting from the rest position, it stops the balance (10) regardless of the position of the balance when the stem (3) is initially pulled. Furthermore, in the active position, the lever (30) holds the balance in the rest position, which enables the resonator (4) to be automatically restarted when the auxiliary lever (30) returns from the active position to the rest position.

A return member for a balance wheel of a timepiece, replacing a spiral spring. This return member includes a rake provided with a toothed sector arranged to work together with a balance wheel pinion. The rake has an axis of rotation allowing it to move between two extreme positions, called working positions, separated by a rest position. The return member also has two springs arranged to press the rake towards its rest position. Each spring is made up of an elastic blade arranged to store energy, then to return it to the rake. Each elastic blade works alternately so that they never work simultaneously. The return member may be in an escapement, a clockwork movement or a timepiece comprising such a movement.

A regulating member for a horological movement including an inertial mass, for example a balance, a balance spring, and an index-assembly system for adjusting the rate of the balance spring, the index-assembly system including a stud-holder including a first portion and a second portion, the first portion being movable relative to the second portion, wherein the regulating member includes locking device configured to block the second portion of the stud-holder in one position with respect to a plate of the movement.

A regulator hand, movement, and timepiece. This device can facilitate hairspring maintenance. The regulator hand of the present invention comprises an inner clip having a pair of legs, with the hairspring play fitting within the gap between the legs; a regulator body that holds the inner clip; and an outer clip having a mounting portion and a receiving portion. The mounting portion is detachably attached to the inner clip or the regulator body, and the receiving portion prevents the hairspring from being dislodged from the legs.

The invention relates to an adjuster assembly for a timepiece, which is a toothed component (5), in particular an adjuster and in particular a fine adjustment adjuster or a component designed to engage with an adjuster or a fine adjustment adjuster, comprising: at least one toothed part (51); and a flexible structure (52) positioned under the root of the teeth of the at least one toothed portion (51).

The invention relates to a spiral spring, particularly for a resonator mechanism in watchmaking, the spiral spring (1) comprising a flexible ribbon (2) wound upon itself in several turns, the ribbon (2) having a predefined stiffness, the spiral spring (1) comprising means for adjusting its stiffness, the adjustment means comprising a single elongated flexible element (5) arranged in series with the ribbon (2), the elongated flexible element (5) connecting one end (4) of said ribbon (2) to a fixed support (11), so as to add additional stiffness to the ribbon (2), the elongated flexible element (5) preferably having a stiffness greater than that of the ribbon (2), the adjustment means comprising preload means (6) for applying at least two different forces on the elongated flexible element (5), the preload means (6) comprising a first lever (8) attached to the end (4) of the ribbon (2) for being able to adjust a first force,The preload means (6) include a second lever (8) also attached to the end (4) of the ribbon (2) to allow for adjusting a second force independently of the first force. The invention also relates to a clockwork resonator mechanism comprising such a balance spring (1).

Disclosed is a method for adjusting an adjustment system (100) comprising:-an oscillator (2), in particular a balance (21)-hairspring (22) oscillator, comprising an inertial element (21) and a return spring (22) pivoting about a pivot axis, and-an escapement (3), in particular a double-pulse escapement, in particular a Swiss fork tile escapement (3), in order to facilitate and / or balance the restart of the adjustment system, the adjustment method comprises:-a step of adjusting the guide marking setting, in particular to a non-zero value, and / or-a step of adjusting the input depth of the pallet pin (31) in the escapement wheel (32), and / or-a step of adjusting the output depth of the pallet pin in the escapement wheel.

A regulator of the present disclosure includes a regulator pin having a pair of leg portions in which a hairspring is loosely fitted in a gap between the pair of leg portions, a regulator body configured to hold the regulator pin, and a pin support having an attachment portion that is detachably attached to the regulator pin or the regulator body, and a receiving portion that prevents the hairspring from being detached from the pair of leg portions.

The invention relates to an assembly for a timepiece movement, said assembly comprising a first timepiece part (22), for example a pendulum plate, and a second timepiece part (30), for example an actuator of an actuation system, the assembly (1) comprises a fitting mechanism for fitting together a first timepiece part (22) and a second timepiece part (30), said fitting mechanism comprising at least one first boss (43) arranged on the first timepiece part (22) and at least one first groove (41) arranged on the second timepiece part (30), inside which a first flexible element (48) is arranged, and the first convex column (43) is kept in the first groove (41) through the pressure applied to the first convex column (43) by the first flexible element (48).

An oscillator (2), particularly a balance wheel (21) / main spring (22) oscillator, includes an inertial element (21) and a return spring (22) that rotate around a pivot axis, Escapement (3), especially dual impulse escapement, especially Swiss lever escapement (3), A method for adjusting a speed control system (100), including, The adjustment method is to facilitate and / or balance the restart of the speed control system. Steps to adjust the beat setting, in particular to a non-zero value, and / or A step of adjusting the degree to which the anchor assembly (31) is inserted into the escape wheel (32), and / or A step to adjust the degree to which the anchor assembly is inserted into the escape wheel. including, Adjustment method.

A method for the fine adjustment of the rate of a mechanical oscillator with an oscillating inertial mass, equipped, in a first step, with an actuator made of material suitable for irreversible local micro-expansion under the action of laser fires, to impart to an inertia-block a radial travel during suitable laser fires on a writing zone of the actuator, in a second step, the initial rate of the oscillator is set and measured, in a third step, the direction and the value of the deviation required to achieve a predetermined rate range, and of the travel to be imparted to inertia-blocks are calculated, in a fourth step, a writing zone is subjected to femtosecond laser fires to create expansion lines by local molecular expansion to radially deform the actuator, in a fifth step the rate is measured and the third step and fourth step are repeated if required.

The object of the present invention is to provide a timekeeping device for watches that can stabilize the rate over a long period of time with extremely low power consumption, without directly injecting mechanical vibrations into the balance wheel, while utilizing an external reference. [Solution] This mechanical watch rate stabilizer is based on a statistical drive method with constant pulse width and amplitude, and autonomously switches between four modes—normal mode, ΔΣ1 bitstream mode, low detune frequency hopping mode, and chirp search mode—based on actual current consumption. It achieves both rate stability and low power consumption without modifying the hairspring or maintaining constant instantaneous energy.

The present invention relates to a balance wheel for a watch movement. The balance wheel includes a rigid part that includes a hub defining the pivot axis of the balance wheel, a rim, and four arms connecting the rim to the hub. The balance wheel also includes four slots for receiving and clamping inertia blocks in place. Each slot is bounded on one hand by an arm and on the other hand by an elastic arm. The elastic arm includes a first end integral with the arm and a second distal end that is free relative to the hub, the arm, and the rim. According to the invention, the balance wheel includes two pairs of inertia blocks, each pair having a different mass to ensure different adjustment capabilities. The first pair of inertia blocks is for basic adjustment, and the second pair of inertia blocks is for precise adjustment.

The invention relates to a timepiece movement (1) having an oscillating system (3) which is or can be arranged within a housing (2) and is intended for controlling or regulating the speed at which the timepiece movement (1) runs, comprising a main body (4), which constitutes the oscillating weight of the oscillating system (3) and is rotatably connected to a structure of the timepiece movement, also comprising a hairspring (5), and further comprising a fine-adjustment mechanism (6), which is rotatably coupled to the structure of the timepiece movement and is intended for setting the frequency of the oscillating system (3) in order for the timekeeping accuracy of the timepiece movement (1) to be finely adjusted, wherein the fine-adjustment mechanism (6) has a regulator (7) with a drive assembly (8); the drive assembly (8) is designed to act on the stiffness of the hairspring (5); and the drive assembly (8) is set up so that the energy required for operating the drive assembly (8) is obtained from outside the housing (2). The invention also relates to a setting device and to a timepiece (50).

To provide a stud-holder for a regulating member of a horological movement.SOLUTION: A regulating member 10 includes an inertial mass, e.g., a balance 23, a balance spring 25 including a strip 2 wound about itself in several turns, and a balance cock 22. A stud-holder 1 includes a main body 31 intended to be mounted on the balance cock, and a stud 34 mounted on the main body in a first direction, and is characterized in that the stud-holder includes an arm 5 extending from the stud, the arm being directed in a second direction under the main body, the second direction forming a non-zero angle with the first direction, so as to pass at least in part beneath the balance spring held by the stud when the stud-holder is mounted on the regulating member.SELECTED DRAWING: Figure 1

A vibratory-actuated drive device (1, 10, 20, 30, 40) for a horology movement, the drive device (1, 10, 20, 30, 40) including a rotationally mobile organ (2, 12) with toothing (3, 33) enabling it to be set in motion, at least two mobile oscillators (4, 5) arranged to mechanically engage with the mobile organ (2, 12), each mobile oscillator (4, 5) being configured to oscillate at a different predetermined frequency when the drive device (1, 10, 20, 30, 40) vibrates at said predetermined frequency, each mobile oscillator (4, 5) being provided with a tooth (21) capable of striking the toothing (3) on the mobile organ (2, 12) to drive it when the oscillator (4, 5) oscillates at its predetermined frequency.

Disclosed is a regulating system (150) for a timepiece movement (300), comprising: - a frame (6), - an assembled balance wheel (4) that pivots relative to the frame (6) about a geometrical axis (A4), - an elastic return system (1, 2, 3) for connecting the assembled balance wheel (4) to the frame (6) such that the assembled balance wheel (4) and the elastic return system (1, 2, 3) form an oscillator (100), the elastic return system (1, 2, 3) comprising: - a first elastic return element in the form of a first hairspring (1) having a first stiffness k1, - a second elastic return element (2) having a second stiffness k2, and - a third elastic return element (3) having a third stiffness k3, the first elastic return element (1) and the second elastic return element (2) being mounted in series between the assembled balance wheel (4) and the frame (6), and the third elastic return element (3) and the second elastic return element (2) being mounted in parallel between the frame (6) and the first elastic return element (1).

To provide a timepiece module making it possible to perform adjustment operation within the timepiece module before the timepiece module is integrated easily into a timepiece.SOLUTION: A timepiece module 300 includes a mobile 100, a first bridge 34, a second bridge 36, and a positioning system 150 for positioning the second bridge 36 on the first bridge 34. The positioning system 150 includes positioning elements 31a, 31b. The positioning elements 31a, 31b each include a first positioning portion for positioning the first bridge 34, a second positioning portion for positioning the second bridge 36, and a third positioning portion that can position the positioning element 31a, 31b relative to a frame, notably relative to a bridge or to a main plate.SELECTED DRAWING: Figure 2