Patent ID: 9244437
Filing Date: 2016-01-26
CPC Classification: G04B,G04C,G04D

Claim Text:
1. A device for winding a mainspring of a timepiece with a crown, the device including: a body having a housing inside which are respectively arranged a motor, an electronic motor control circuit for controlling the motor and a powering device for powering the circuit and the motor, means for driving the crown disposed at one of the ends of the body of the device and secured to an output shaft of the motor, intended to rotatably drive the timepiece crown, wherein the device includes a spring placed between the powering device and the motor to permit the motor to slide with the drive means inside the body of the device, the motor being arranged in the body to slide into at least two positions, including: a rest position in which the motor is not supplied with power, and an operating position in which the motor is supplied with power in order to start the rotation of the drive means when the drive means are engaged and pressed onto the timepiece crown.