US 11,852,954 B2
Blade open-close device and electronic device
Koji Sawanobori, Tokyo (JP)
Assigned to NIDEC COPAL CORPORATION, Tokyo (JP)
Filed by Nidec Copal Corporation, Tokyo (JP)
Filed on Sep. 17, 2021, as Appl. No. 17/477,533.
Claims priority of application No. 2020-158877 (JP), filed on Sep. 23, 2020.
Prior Publication US 2022/0091479 A1, Mar. 24, 2022
Int. Cl. G03B 11/04 (2021.01); G06F 1/16 (2006.01)
CPC G03B 11/043 (2013.01) [G06F 1/1686 (2013.01); G06F 1/1616 (2013.01); G06F 1/1679 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A blade open-close device, comprising:
a base having a housing space housing a lens unit;
a cover plate covering at least part of the base and having an opening aligned with an optical axis of the lens unit;
a blade located between the base and the cover plate, the blade being movable between a closing position to cover the opening and an opening position to uncover the opening, wherein the blade comprises an engaging hole and an engaging edge portion, and the engaging hole is displaced from the engaging edge portion in movement direction of the blade;
an actuator configured to move the blade between the opening position and the closing position;
a stopper movable between a lock position at which at least part of the stopper is on a path of the blade or the actuator and an unlock position at which the stopper is entirely retracted from the path at least when the blade is at the opening position and when the blade is at the closing position, the stopper is engageable with the blade or the actuator, the stopper is configured to engage with the engaging hole when the blade is at the opening position, and the stopper is configured to engage with the engaging edge portion when the blade is at the closing position; and
a voice coil motor configured to move the stopper at least from the lock position toward the unlock position.