KEY DRIVER

摘要

PROBLEM TO BE SOLVED: To provide a key driver that enables a thumb turn to be rotated by drive of a motor and be easily rotated by manual operation.SOLUTION: A key driver comprises: a motor gear that rotates by receiving driving force from a motor; a first gear that transmits driving force for rotating a thumb turn to the thumb turn; and a clutch gear that is disposed between the motor gear and the first gear and transmits driving force generated by the motor to the first gear. The clutch gear performs switching between interception and formation of a driving force transmission path between the motor gear and the first gear.SELECTED DRAWING: Figure 5