Oscillator system

摘要

An oscillator system (30) of a mechanical timepiece, comprising: at least one balance wheel (35) that is free to rotate about an axis; and at least one hairspring (31) connecting the at least one balance wheel (35) to a fixed point or to another balance wheel (36), the hairspring (31) including: a first coil (32) connected to the at least one balance wheel (35); and a second coil (33) connected to the fixed point or to the another balance wheel (36); and a transition section (34) connecting the first coil (32) to the second coil (33), wherein an approximately linear restoring torque for the at least one balance wheel (35) is primarily provided by elastic deformation of the transition section (34) and the coils (32, 33), in order to generate an oscillatory motion for the at least one balance wheel (35).

主权项

1. An oscillator system of a mechanical timepiece, comprising:
at least one balance wheel that is free to rotate about an axis; and at least one unitary hairspring formed of a continuous, uninterrupted member and connecting the at least one balance wheel to another balance wheel, the another balance wheel having an axis offset from the axis of the at least one balance wheel, the hairspring including:
a first coil connected to the at least one balance wheel; anda second coil connected to the another balance wheel; anda transition section connecting the first coil to the second coil; wherein an approximately linear restoring torque for the at least one balance wheel is primarily provided by elastic deformation of the transition section and the coils, in order to generate an oscillatory motion for the at least one balance wheel; and wherein the at least one balance wheel and the another balance wheel are identical balance wheels.