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Patent Searching and Data


Title:
BLADE-DRIVING DEVICE FOR IMAGING
Document Type and Number:
WIPO Patent Application WO/2019/065540
Kind Code:
A1
Abstract:
A blade-driving device for imaging in which a slit is provided in a lateral surface of a lens frame for holding a plurality of lenses, and an insertable part which stores the blades of the blade-driving device is inserted into the slit, wherein the insertable part can be smoothly inserted into the slit, and as a result, workability when assembling is improved. A blade-driving device for imaging equipped with a lens frame for holding a plurality of lenses and a blade-driving device assembled with the lens frame, wherein: the lens frame is equipped with a front frame part which holds the front-side lens, a rear frame part which holds the rear-side lens and has a stepped section which has a wider diameter than does the front frame part, a pair of slits formed in the lateral surface of the front frame part along the stepped section, and a connecting part for connecting the front frame part and the rear frame part on the outside of the slits; a frame body and an insertable part which projects from the frame body so as to be inserted into the slit, stores the blades, and has an opening positioned along the optical axis of the lens are further provided in the blade-driving device; and the frame body is equipped with a contact surface which contacts a surface of the rear frame part which is perpendicular to the optical axis direction.

Inventors:
IMAI Kenzo (18-10 Shimura 2-chome, Itabashi-k, Tokyo 50, 〒1748550, JP)
WATANABE Nobuaki (18-10 Shimura 2-chome, Itabashi-k, Tokyo 50, 〒1748550, JP)
Application Number:
JP2018/035208
Publication Date:
April 04, 2019
Filing Date:
September 21, 2018
Export Citation:
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Assignee:
NIDEC COPAL CORPORATION (18-10, Shimura 2-chome Itabashi-k, Tokyo 50, 〒1748550, JP)
International Classes:
G02B7/02; G03B9/02; G03B9/10; G03B11/00
Foreign References:
JP2017040814A2017-02-23
JP2007271670A2007-10-18
Attorney, Agent or Firm:
EICHI PATENT & TRADEMARK CORP. (45-13, Sengoku 4-chome Bunkyo-k, Tokyo 11, 〒1120011, JP)
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