Abstract: A double escapement mechanism for a watch, clock, or other timepiece.

Abstract: Horological device (100) comprising two oscillators (1a,b) with rotating and spiral (12a,b) balance wheels (11a,b), coupled for their synchronization. The oscillators (1a,b) are identical and their axles (22a,b) are parallel. The spirals (12a,b) are connected to a shared stud (13) by a link in the same direction but in the opposite direction, the stud being fixed to the rest of the horological movement.

Abstract: The mechanical timepiece regulator of the invention comprises a flexure bearing oscillator and a double detent escapement, the oscillator comprising a balance wheel (1) connected to an elastic suspension (2a, 2b) arranged to guide and apply a restoring force to the balance wheel (1) in a plane of oscillation. The escapement comprises an escape wheel (3) and an anchor (4) integrated into the balance wheel (1) and having two arms (5, 6) arranged to receive alternately the impulses of the escape wheel (3). The escapement furthermore comprises two detents (7, 8) alternately locking the escape wheel (3) between two impulses and interacting with the arms (5, 6) of the anchor to release the escape wheel (3) before each impulse, without direct interaction between the anchor and the escape wheel.

Abstract: A double escapement mechanism for a watch, clock, or other timepiece.

Abstract: A timepiece regulating mechanism including an escape wheel set subjected to a drive torque, and at least one resonator including a rigid structure connected to a plate by an elastic return and carrying at least one inertia arm cooperating with this escape wheel set via magnetically and/or electrically charged tracks comprised both in this inertia arm and in this escape wheel set, to form a synchronizing device between the escape wheel set and the resonator, and the synchronizing device is protected from loss of synchronization in the event of an accidental torque increase by a mechanical anti-desynchronization mechanism including mechanical escapement stops carried by the escape wheel set, and at least one mechanical inertia arm stop, carried by the inertia arm, and together arranged to maintain stopped in abutment in such event.

Abstract: A timepiece wheel overmolded onto an arbor. The wheel is plastic injection overmolded onto a washer fitted onto the arbor. This washer has a lower density than the arbor. This washer includes at least one plane surface forming a bearing and sealing surface for cooperating in a sealed manner with an injection mold for the overmolding operation. The timepiece wheel may be an escape wheel whose teeth are formed during overmolding onto the arbor and the washer, and it includes an escape pinion mounted and abutted to the washer or integral with the washer.

Abstract: An escape mechanism including a flexible single-piece mechanism for transmission of impulses between an impulse pin of a balance, and teeth of an escape wheel. Each tooth includes a lever with a pin that can be actuated by a lifting piece, a low level of the wheel carrying the pins on a same level as stop members of a plate, and a high level carrying the lifting pieces. The impulse pin pivots a lever opposite thereto, either to cause the pin to cooperate in abutment with the second stop member, or to move the lifting piece thereof opposite the first stop member and to cause the pin to bypass the second stop member, allowing the wheel to rotate to a next tooth.

Abstract: A detent escapement for a timepiece includes an escape wheel, a balance having an unlocking jewel, and a blade. A rotation reference line is formed by a straight line passing through a rotation center of the blade in a state where the balance is at an oscillation center. In order to balance (1) a sum total of the effects on rotational movement of the balance caused by “impulse before dead point” and by “resistance after dead point”, which together comprise the total effect causing the timepiece to advance, and (2) a sum total of the effects on rotational movement of the balance caused by “resistance before dead point” and by “impact after dead point”, which together comprise the total effect causing the timepiece to slow, the unlocking jewel is aligned with the rotation reference line and positioned at a position facing towards a direction farthest from the escape wheel.

Abstract: An electric-motor kitchen appliance, in particular an electric-motor handheld device, preferably a hand mixer, includes a switch. The invention also relates to a finger-actuated electric control for the switch, and to a method for switching on/off a kitchen appliance. The switch is unlocked when the safety switch is actuated by the finger of a user. The safety switch is electronically switched. The possibility of unintentionally operating the electric-motor of the kitchen appliance is reduced due to the manual operation of the two separate switches. As a result, the safety of the electric-motor kitchen appliance in the household is significantly increased.

Abstract: The horological movement comprises a regulating device having an oscillation frequency (f) and an escapement for maintaining the oscillations of the regulating device. The escapement comprises an escape wheel having (N) teeth. The frequency (f) is at least equal to about 5 Hz, and the ratio between the number (N) of teeth and the frequency (f) is substantially equal to 5.

Abstract: The horological movement comprises a regulating device having an oscillation frequency (f) and an escapement for maintaining the oscillations of the regulating device. The escapement comprises an escape wheel having (N) teeth. The frequency (f) is at least equal to about 5 Hz, and the ratio between the number (N) of teeth and the frequency (f) is substantially equal to 5.

Abstract: The invention concerns an anti-trip device (1) for an escape mechanism (10) arranged to cooperate with a balance (2) pivoting about a first axis (D1). It includes a pivoting wheel set (5), pivotally moveable about a second axis (D2) parallel to said first axis (D1) and fixed relative to a plate. The pivoting wheel set (5) includes guide means (7) arranged to cooperate with complementary guide means (9) comprised in a roller (3) pivoting integrally with said balance (2). Said complementary guide means (9) includes a cam (90) for moving said pivoting wheel set (5) closer to said first axis (D1) when said balance is pivoting in a first direction (B1) and to move said wheel set away from said first arbour when the balance is pivoting in a second direction (B2) opposite to said first direction (B1). Said guide means (7) includes a fixed finger arranged to cooperate with said cam.

Abstract: Timepiece wheel set (1) comprising a first guide surface (2) arranged to cooperate with a second guide surface (3) associated with a bridge (50), for pivotally mounting said wheel set (1) relative to said bridge (50) about an axis (D). Said first guide surface (2) is a single surface, located on a median plane (P) of said wheel set (1), orthogonal to said axis (D), for holding said wheel set (1) careened or in a cantilever arrangement relative to said bridge (50), and said wheel set (1) is free of any guide arbours on both sides of said guide surface (2). Said wheel set (1) forms a ball bearing (10) wherein said first guide surface (2) forms an internal raceway (9) for balls (11) and wherein an external ball race (12) mounted on said bridge (50) includes said second guide surface (3) forming an external raceway for said balls (11).

Abstract: The invention concerns a escapement lever (1) for the escapement mechanism of a timepiece movement, including at least one fork delimiting a notch (2) which includes horns (3; 4) arranged for cooperating with a balance. Said fork notch (2) includes, in at least one said horn (3; 4), a slot (5, 6) and/or a chamber (30), wherein said slot (5; 6) and/or chamber (30) is arranged to confer elasticity on the corresponding horn, which softens the shock at each impulse, by absorbing part of the impact energy, and then returning it subsequent to said impact.

Abstract: A mechanism for advancing, by periodic jumps, a pivoting cage for an escapement mechanism, including: a retaining mechanism authorizing or preventing the pivoting of the cage, depending on its movement; and a stopping mechanism authorizing or preventing the pivoting of the retaining mechanism, depending on its angular position. A constant force device causes periodic cooperation of the retaining mechanism, which includes a flirt arranged to perform complete revolutions and is connected to an input thereof, with the stopping mechanism, which includes a star wheel and is connected to an output thereof, whose trajectories interfere with each other, to pivot the cage when the stopping mechanism allows the pivoting of the retaining mechanism and to stop the cage when the stopping mechanism locks the retaining mechanism.

Abstract: This timepiece is furnished with a direct impulse escapement comprising a locking lever (2) for locking the escapement wheel furnished with two locking pallets (2a, 2b), with a fork (2c) and with a guard pin (2d). The guard pin is mounted so as to pivot on the fork about an axis parallel to the pivoting axis of the locking lever (2). It comprises displacement means (2d1, 2d2, 2d3), designed to engage with drive means secured to said frame, so as to amplify the angular displacement of the guard pin (2d), caused by the locking lever (2) passing from one to the other of its two positions. This invention also applies to the guard pin of a pallet assembly of an indirect impulse escapement.

Abstract: The horological movement comprises a regulating device having an oscillation frequency f and an escapement (11, 12) for maintaining the oscillations of the regulating device. The escapement comprises an escape wheel (11) having N teeth. The frequency f is at least equal to about 5 Hz, and the ratio between the number N of teeth and the frequency f is substantially equal to 5.

Abstract: An escapement includes an escapement wheel (1) and an anchor (2). In the place of the traditional limiting walls or pins, the escapement includes, on the anchor (2) and/or the escapement wheel (1), elements (17, 18) for limiting the oscillations of the anchor (2) during normal operation of the escapement. In order to prevent contact between the impulse beak (10) of the pallets (6, 7) and the escapement wheel (1) upon impacts, the escapement wheel (1) has protrusions (20, 21, 22) at its periphery.

Abstract: An escapement mechanism adapted for transmitting mechanical energy pulses from a driving source to an oscillating regulator of a timepiece via a blade spring (12) operating in a buckling manner about a curvature point, wherein the blade spring (12) can build up the energy from the driving source between two pulses and transmit the same to the oscillating regulator upon each pulse via first (18) and second (26) levers. In order to optimize the adjustment of the tension of the blade spring (12), the latter is mounted on a frame (50) capable of symmetric deformation relative to a first axis (AA) extending through the rotation axes of the regulator, the levers (18, 26) and through the curvature point, and relative to a second axis (BB) perpendicular to the first one and extending through the ends of the blade spring (12).

Abstract: A timepiece movement includes an escapement mobile connected to a barrel by a going train and a spring balance as well as an escapement mechanism (1) including an impulse lever (8) and at least one regulating member (9). The impulse lever (8) and the regulating member (9), which co-operate with the escapement mobile, are controlled by control members (6.1, 6.2, 7.1) supported on the axle of the balance. Between positions in which they co-operate with the escapement mobile (1) and positions in which they do not co-operate with the escapement mobile, the impulse lever (8) and the regulating member (9) move in two different planes forming an angle therebetween.

Abstract: The constant force escapement mechanism in particular for a timepiece movement including a spring balance and an escapement gear connected to a barrel by a going train includes a constant force auxiliary spring (11). It includes an impulsion lever (8) co-operating on the one hand with the escapement gear (1) and on the other hand with control members fixed to the arbor of the spring balance. The constant force auxiliary spring (11) is fixed at one of its ends on a part of the frame of the movement and at its other end to the impulsion lever (8).

Abstract: Mechanical watch movement comprising a mechanical chronograph with a regulator organ for regulating the running of the chronograph, characterized in that the regulator organ of the chronograph is placed in an imaginary circle (A) coaxial to the movement and having a radius (r1) smaller than 50% of the maximum outer radius of the movement.

Abstract: This escapement comprises a balance wheel (3), an escape wheel (1), a detent rocker (4) having an arresting element (4a) and an elastic clearance element (4c), means for inserting the arresting element into the path of the teeth of the escape wheel (1), and a clearance pin (7) rotating integrally with the balance wheel (3) in order to engage with the elastic clearance element (4c) of the rocker (4) once per period of oscillation of the balance wheel. The means for inserting the arresting element (4a) into the path of the teeth of the escape wheel (1) comprise a sliding surface (4b) integral with the detent rocker (4) and arranged so as to move into the path of the teeth of the escape wheel (1) when the arresting element (4a) leaves it, this sliding surface being shaped so as to return the arresting element (4a) to the locking position.

Abstract: The resonator (1) for a timepiece results from coupling a first, low frequency resonator (2) with a second, higher frequency resonator (3). The first resonator (2) has a first balance (4) associated with a first balance spring (5). The second resonator (3) has a second balance (6) associated with a second balance spring (7). A third balance spring is arranged between the first (4) and second (6) balances to couple said first (2) and second (3) resonators.

Abstract: The lever escapement includes at least one escape wheel (2). The pallet assembly (5) is fitted with locking pallet stones (6, 7) and a first impulse pallet stone (8) cooperating with the teeth of the wheel (2). The pallet assembly (5) drives an auxiliary wheel set (9) carrying a second impulse pallet stone (10) cooperating with the teeth of the wheel (2).

Abstract: The invention concerns a device for securing a pallet stone to an escapement pallet including at least one housing for receiving said pallet stone, characterized in that the portion of the pallet including said housing is made of a shape memory alloy able to undergo a reversible transformation from an austenitic crystallographic phase to a martensitic crystallographic phase.

Abstract: An escapement for a timepiece movement includes a toothed escape wheel, a balance and a detent respectively pivoted on rotation axes. The detent supports a pallet lock that interacts with the first tooth of the escape wheel along a certain length of penetration in order to block it in an idle phase during which the balance executes a free arc of oscillation. An impulse pallet rotationally driven by the balance interacts with a second tooth when the detent is pivoted in order to release the escape wheel, this wheel turning by a forward pitch before being blocked again by the pallet lock by interaction with the second tooth. The escapement also includes a limiting plate, which is coaxial and rotationally secured to the balance, has a periphery including a substantially circular main portion and a cutout positioned facing the pallet lock in the release phase.

Abstract: The escapement (1) arranged between a motor gear train and a roller (2) to which is attached a sprung balance of a timekeeper, the balance being able to describe an arc of free oscillation and to receive oscillation maintaining impulses, this escapement including first (3) and second (4) toothed wheels meshing with each other, one of these wheels being driven by the motor gear train and a rocking member (5) having: first (41) and second (42) contact means able to receive impulses generated alternately by the first (3) and second (4) wheels, impulse means (11, 12) capable of co-operating with the roller (2) to transmit said impulses to said roller to drive it in rotation and to maintain the oscillations of the balance, and first (43) and second (44) blocking means for alternately blocking said first (3) and second (4) wheels after each impulse transmitted by said impulse means to said roller, said first and second contact means and said first and second blocking means being arranged at the periphery of the

Abstract: The escapement (10) includes first (6) and second (7) wheels meshing with each other. One (6) of these wheels is driven by the gear train. First (9) and second (11) rollers secured to a common arbor (1) support a sprung balance. The wheels (6, 7) and the first roller (9) are provided with means allowing said first roller to receive direct impulses supplied alternately by the first and second wheels for the purpose of maintaining the oscillations of the balance. The second roller (11) is provided with means for driving a locking and rocking member arranged to lock said first and second wheels alternately.