Title:
フォーカルプレーンシャッタ及び光学機器
Document Type and Number:
Japanese Patent JP5216034
Kind Code:
B2
Abstract:
A focal plane shutter includes: a board including an opening; a blade movable between a position where the blade recedes from the opening and a position where the blade covers at least part of the opening; a drive arm connected to the blade, the drive arm including an engagement hole; a drive lever including a drive pin engaging the engagement hole; and a restriction portion provided in the drive arm, the restriction portion abutting the drive pin and being thicker than the drive arm.
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Inventors:
Hiroshi Takahashi
Seiichi Oishi
Seiichi Oishi
Application Number:
JP2010035703A
Publication Date:
June 19, 2013
Filing Date:
February 22, 2010
Export Citation:
Assignee:
Seiko Precision Co., Ltd.
International Classes:
G03B9/36
Domestic Patent References:
| JP2005107172A | ||||
| JP2009175365A | ||||
| JP9024432A | ||||
| JP2006189467A |
Attorney, Agent or Firm:
Shuhei Katayama
Kikuchi
Kikuchi