Escapement device for timepiece i.e. wristwatch, has mobiles whose mechanical transmission units are formed by pulse surfaces, where angles of surfaces have same sign as that of rotation angle of escapement wheel
The device has a mobile (2) whose blocking unit is formed by a blocking surface arranged such that force transmitted by an escapement wheel (1) on the surface passes close to center of rotation of the mobile. A blocking unit of another mobile (3) is formed by another blocking surface arranged such t...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | The device has a mobile (2) whose blocking unit is formed by a blocking surface arranged such that force transmitted by an escapement wheel (1) on the surface passes close to center of rotation of the mobile. A blocking unit of another mobile (3) is formed by another blocking surface arranged such that force transmitted by the wheel on the latter surface passes close to center of rotation of the latter mobile. Mechanical transmission units of the mobiles are formed by a pulse surface and another pulse surface (32) whose angles are of same sign as that of rotation angle of the wheel.
L'invention concerne un dispositif d'échappement d'un mouvement d'horlogerie comprenant: une roue d'échappement (1), un premier mobile (2) possédant des moyens de blocage avec la roue d'échappement et de transmission mécanique avec la roue d'échappement, un deuxième mobilé (3) et le plateau du balancier (4). Le deuxième mobile possède des moyens de blocage avec la roue d'échappement et de transmission mécanique avec la roue d'échappement et le premier mobile. L'entraînement des mobiles par la roue d'échappement est du type tangentiel. |
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