Title:
FOCAL-PLANE SHUTTER AND OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/102067
Kind Code:
A1
Abstract:
A focal-plane shutter comprises: a substrate having an opening; a curtain for opening and closing the opening; a drive lever which has a drive pin and swings; a drive arm made of a synthetic resin which has an engagement hole engaged with the drive pin and swings around the same center as the swing center of the drive lever to drive the curtain; and a restriction section for restricting the swing range of the drive lever.
Inventors:
OISHI SEIICHI (JP)
TAKAHASHI HIROSHI (JP)
TOKURA SHOICHI (JP)
TAKAHASHI HIROSHI (JP)
TOKURA SHOICHI (JP)
Application Number:
PCT/JP2014/078227
Publication Date:
July 09, 2015
Filing Date:
October 23, 2014
Export Citation:
Assignee:
SEIKO PRECISION KK (JP)
International Classes:
G03B9/36
Foreign References:
| JPH08248476A | 1996-09-27 | |||
| JP2013145361A | 2013-07-25 |
Attorney, Agent or Firm:
KATAYAMA, SHUHEI (JP)
Shuhei Katayama (JP)
Shuhei Katayama (JP)
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