Title:
BLADE DRIVING DEVICE AND IMAGING APPARATUS INCLUDING THE SAME
Document Type and Number:
Japanese Patent JP2023169808
Kind Code:
A
Abstract:
To provide a blade driving device that can open and close an opening at a high speed.SOLUTION: A blade driving device 1 comprises: a bottom board 10 that is provided with an opening S; blades 21-24 that are movable between closed positions and open positions; a rotational driving member 50 that has a driving pin 54 connected to the blades 21, 22 and a gear part 55 provided with a plurality of teeth along a circumferential direction, and can rotate around a driving shaft 15 to move the blades 21, 22; a rotational driving member 60 that has a driving pin 64 connected to the blades 23, 24 and a gear part 65 provided with a plurality of teeth along the circumferential direction, the plurality of teeth meshing with the teeth of the gear part 55 of the rotational driving member 50, and can rotate around a driving shaft 16 to move the blades 23, 24; and an electromagnetic coil unit 80 that rotates the rotational driving member 50.SELECTED DRAWING: Figure 2
Inventors:
YAMAGUCHI YASUTAKA
Application Number:
JP2022081142A
Publication Date:
November 30, 2023
Filing Date:
May 17, 2022
Export Citation:
Assignee:
NIDEC PREC CORP
International Classes:
G03B9/36; G02B7/02; H04N23/55
Attorney, Agent or Firm:
Tomohiro Mori
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