Abstract: The timepiece escapement includes first (3) and second (4) impulse pallet stones secured to the balance (2) directly cooperating with the teeth of the escape wheel set (1) and a brake lever (5) periodically driven by the balance, the brake lever being provided with first (6) and second (7) locking pallet stones arranged for cooperating with the teeth of the escape wheel set (1).

Abstract: The process comprises the following steps: a) a first element (3) or a plurality of said first elements (3) is/are machined in a first silicon wafer (1) keeping said elements (3) joined together via material bridges (5); b) step a) is repeated with a second silicon wafer (2) in order to machine a second element (4), differing in shape from that of the first element (3), or a plurality of said second elements (4); c) the first and second elements (3, 4) or the first and second wafers (1, 2) are applied, face to face, with the aid of positioning means (6, 7); d) the assembly formed in step c) undergoes oxidation; and e) the parts (10) are separated form the wafers (1, 2). Micromechanical timepiece parts obtained according to the process.

Abstract: The escapement includes an escape wheel set (1), a balance roller (3) carrying an impulse pin (4) and a first impulse pallet stone (5). It further includes a pallet assembly (8) fitted with a second impulse pallet stone (11) and first and second locking pallet stone (12, 13). The wheel set (1) includes at least one escape wheel fitted with teeth (6) that mesh directly with the teeth (20) of the first wheel of a gear train (2), the teeth (6) of the wheel (1) cooperating with the impulse pallet stones and locking pallet stones.

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: Timepiece fitted with a movement, characterised in that it includes a plate (6) driven in rotation by the movement (1) and which carries at least two off-centre display members which rotate about themselves and which are coupled to each other by a gear train (67, 80) whose ratio determines the frequency with which the decorative designs covering the display members cooperate with each other to form a determined fancy decoration.

Abstract: The escapement includes first (1) and second (2) escape wheels each driven by independent gear trains and barrels. The system includes a brake lever (8) cooperating with an impulse pin (7) of the roller (4) and with the escape wheels via locking pallet stones (12, 13). The roller carries pallet stones (10, 11) for receiving impulses from the escape wheels. When the wheels are locked, the brake lever occupies a centred position relative to said wheels. Means (16, 30, 31) for re-engaging the locking pallet stones in the toothing of the wheels are provided to ensure proper operation of the system.

Abstract: The escapement includes two distinct escape wheel sets (1, 2), a roller (3) including a first impulse pallet stone (5) cooperating with the first wheel set (1) and a third impulse pallet stone (12) cooperating with the second wheel set (2). An anchor piece (6) articulated on a pivot (7) cooperates with an impulse pin (4) via a fork (8) fitted to the anchor piece. This anchor piece carries second (9) and fourth (13) impulse pallet stones respectively cooperating with the first (1) and second (2) wheel sets. The same anchor piece carries first (10) and second (11) locking pallet stones cooperating with the second wheel set (2).

Abstract: The invention relates to a one-piece hairspring (21, 21?) including, a balance spring (25, 25?) coaxially mounted on a collet (27, 27?), made in the same layer of silicon-based material. According to the invention, the hairspring includes an elevation device (2, 2?) for the outer coil of the balance spring above the layer of silicon-based material so as to improve the concentric development of the hairspring. The invention also relates to a timepiece including a hairspring of this type and the method of manufacturing the same. The invention concerns the field of timepiece movements.

Abstract: The invention relates to a double balance spring (21) including, made in a layer of silicon-based material (11), a first balance spring (23) coaxially mounted on a collet (13, 27), the collet (13, 27) including an extending part (9) that projects from said balance spring and which is made in a second layer of silicon-based material (5). According to the invention, said extending part extends (17) into a third layer (7) of silicon-based material coaxially with a second balance spring (25) so as to form a one-piece double balance spring (21) made of silicon-based materials. The invention also relates to a timepiece including a balance spring of this type and the method of manufacturing the same. The invention concerns the field of timepiece movements.

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 tangential impulse escapement includes a lever device (1) including a lever (3) driving a roller (65) and a ring (7) surrounding an escapement wheel set (8), said ring being fitted with pallet-stones (9, 10, 11, 12) for cooperating with the teeth (13, 14, 15, 16) of said wheel set, in order, alternately, to lock the latter then import an impulse to said roller. The escapement wheel set includes at least first (17) and second (18) coaxial secured wheels. The pallet pallet-stones (9, 11, 12) of the ring cooperate with the teeth (13, 15, 16) of the first wheel (17) with the exception of one (10), which is arranged for cooperating with the teeth of the second wheel (18).

Abstract: The anti-trip device for a timepiece escapement essentially includes a sprung balance (1), this device preventing the angular extension of said balance beyond a normal angle of rotation. The device is characterized in that the arbour (2) fitted to the balance (1) is provided with a pinion (3) meshing with means (4) preventing said balance from rotating beyond said normal angle of rotation, whatever the direction of said rotation.

Abstract: The escapement includes a large roller 4 carrying an impulse pallet stone 5 surmounted by a first finger-piece 14 and a small roller 23 in which a notch 22 is made. A blocking member carries, on the one hand, a device 80 for locking the escape wheel 2, and on the other hand, a second finger-piece 11 arranged for cooperating with the first finger-piece 14, the blocking member also including a follower 20 ending in a beak 21 which acts on the small roller and particularly with notch 22 which is made therein. The first and second finger-pieces 14 and 11 are respectively rigidly secured to the table roller and the blocking member.

Abstract: The escapement includes two distinct escape wheel sets (1, 2), a roller (3) including a first impulse pallet stone (5) cooperating with the first wheel set (1) and a third impulse pallet stone (12) cooperating with the second wheel set (2). An anchor piece (6) articulated on a pivot (7) cooperates with an impulse pin (4) via a fork (8) fitted to the anchor piece. This anchor piece carries second (9) and fourth (13) impulse pallet stones respectively cooperating with the first (1) and second (2) wheel sets. The same anchor piece carries first (10) and second (11) locking pallet stones cooperating with the second wheel set (2).

Abstract: The escapement includes an escape wheel set (1), a balance roller (3) carrying an impulse pin (4) and a first impulse pallet stone (5). It further includes a pallet assembly (8) fitted with a second impulse pallet stone (11) and first and second locking pallet stone (12, 13). The wheel set (1) includes at least one escape wheel fitted with teeth (6) that mesh directly with the teeth (20) of the first wheel of a gear train (2), the teeth (6) of the wheel (1) cooperating with the impulse pallet stones and locking pallet stones.

Abstract: The invention concerns an escapement (1) for a timepiece comprising an anchor (2) articulated on a stem (3) and co-operating with an escapement mobile (4) articulated on an axis (5), said mobile comprising a plurality of teeth (8; 15, 16) uniformly spaced around said mobile, said anchor including an entry pallet (6) and an exit pallet (7) arranged to receive alternately an impulse from one of the teeth borne by the mobile and for acting as rest plane for said tooth. The invention is characterized in that the escapement mobile (4) comprises first and second integral and coaxial wheels (13, 14) including each the same number of teeth (15, 16), in that the entry and exit pallets (6, 7) co-operate respectively with the first and second wheels (13, 14) and in that the peripheral radius (R1) of the first wheel (13) is greater than the peripheral radius (R2) of the second wheel (14).

Abstract: The escapement includes first (1) and second (2) escape wheels each driven by independent gear trains and barrels. The system includes a brake lever (8) cooperating with an impulse pin (7) of the roller (4) and with the escape wheels via locking pallet stones (12, 13). The roller carries pallet stones (10, 11) for receiving impulses from the escape wheels. When the wheels are locked, the brake lever occupies a centred position relative to said wheels. Means (16, 30, 31) for re-engaging the locking pallet stones in the toothing of the wheels are provided to ensure proper operation of the system.

Abstract: The timepiece escapement includes first (3) and second (4) impulse pallet stones secured to the balance (2) directly cooperating with the teeth of the escape wheel set (1) and a brake lever (5) periodically driven by the balance, said brake lever being provided with first (6) and second (7) locking pallet stones arranged for cooperating with the teeth of the escape wheel set (1).

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 tangential impulse escapement includes a lever device (1) including a lever (3) driving a roller (65) and a ring (7) surrounding an escapement wheel set (8), said ring being fitted with pallet-stones (9, 10, 11, 12) for cooperating with the teeth (13, 14, 15, 16) of said wheel set, in order, alternately, to lock the latter then import an impulse to said roller. The escapement wheel set includes at least first (17) and second (18) coaxial secured wheels. The pallet-stones (9, 11, 12) of the ring cooperate with the teeth (13, 15, 16) of the first wheel (17) with the exception of one (10), which is arranged for cooperating with the teeth of the second wheel (18).