Title:
BLADE DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/025471
Kind Code:
A1
Abstract:
The present invention enables the adjustment of a lens frame (lens barrel) to be performed singly and also makes thin shaping along the direction of an optical axis possible. A blade drive device 1 is provided with a drive member 2 that moves on a plane, a frame 3 in which the drive member is accommodated, a thin-shaped blade support 4 protruding from a portion of the thickness of the frame 3 to the outside along the movement direction of the drive member 2 and having an opening 4A around an optical axis running along the thickness direction of the frame 3, and a blade member 5 supported by the blade support 4 and moved by the drive member 3 to enter the opening 4A, the outer circumferential edge of the frame 3 having a recess 3A at the protruding position of the blade support 4.
Inventors:
IMAI KENZO (JP)
SHIKAMA KAZUO (JP)
BAI LONGJI (JP)
WATANABE NOBUAKI (JP)
IWATO SHOZO (JP)
SHIKAMA KAZUO (JP)
BAI LONGJI (JP)
WATANABE NOBUAKI (JP)
IWATO SHOZO (JP)
Application Number:
PCT/JP2017/019645
Publication Date:
February 08, 2018
Filing Date:
May 26, 2017
Export Citation:
Assignee:
NIDEC COPAL CORP (JP)
International Classes:
G03B9/10; G03B9/02; G03B9/14; H04N5/225
Foreign References:
| JP2007033650A | 2007-02-08 | |||
| JP2005037866A | 2005-02-10 | |||
| JP2003330059A | 2003-11-19 | |||
| JP2005189657A | 2005-07-14 | |||
| JP2008083203A | 2008-04-10 |
Attorney, Agent or Firm:
EICHI PATENT & TRADEMARK CORP. (JP)
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