Patent ID: 11886108
Assignee: NIDEC COPAL CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A blade driving device, comprising:
a base including a support shaft extending frontward;
a cover covering a front of the base, the cover having an opening;
a blade located in a blade chamber defined between the base and the cover; and
an actuator configured to move the blade between a closing position to cover the opening and an opening position to uncover the opening, the actuator including a lever connected to the blade,
wherein the lever in the actuator includes
a lever body rotatable about the support shaft in the base,
a connector connecting the lever body and the blade, and
at least one protrusion protruding from the lever body frontward beyond the blade and facing the cover, wherein the at least one protrusion in the lever is located adjacent to the support shaft in the base and extends in a circumferential direction.