Title:
フォーカルプレーンシャッタ及びそれを備えた光学機器
Document Type and Number:
Japanese Patent JP5844032
Kind Code:
B2
Abstract:
A focal plane shutter includes: a board including an opening; blades capable of opening and closing the opening; a drive member movable between a start position and a terminal position, biased toward the terminal position, and driving the blades; a brake member supported to abut and move away from the drive member positioned at the terminal position, and biased to abut the drive member positioned at the terminal position; and a set member rotatable in only one direction, and moving the drive member from the terminal position to the start position; wherein the set member includes a drive portion abutting the brake member to move the brake member away from the drive member and then abutting the drive member to move the drive member toward the start position.
Inventors:
Hiroshi Takahashi
Yoichi Nakano
Yoichi Nakano
Application Number:
JP2010143184A
Publication Date:
January 13, 2016
Filing Date:
June 23, 2010
Export Citation:
Assignee:
Seiko Precision Co., Ltd.
International Classes:
G03B9/36
Domestic Patent References:
| JP200121947A |
Attorney, Agent or Firm:
Shuhei Katayama