Title:
A focal-plane shutter and optical apparatus
Document Type and Number:
Japanese Patent JP6117517
Kind Code:
B2
Abstract:
A focal-plane shutter includes: first, second, and third boards each including an opening and arranged in an optical axis direction passing through the openings; a first blade arranged between the first and second boards and capable of opening and closing the openings; a second blade arranged between the second and third boards and capable of opening and closing the openings; first and second arms arranged between the second and third boards, connected to the second blade, made of synthetic resins, and capable of rotating about respective different fulcrums; and a drive member connected to the first arm and driving the first arm.
Inventors:
Hiroshi Takahashi
Mitsuru Suzuki
Murata
Shin Toriumi
Mitsuru Suzuki
Murata
Shin Toriumi
Application Number:
JP2012241981A
Publication Date:
April 19, 2017
Filing Date:
November 01, 2012
Export Citation:
Assignee:
Seiko Precision Co., Ltd.
International Classes:
G03B9/36; G03B9/40
Domestic Patent References:
| JP7218979A | ||||
| JP9281548A | ||||
| JP2004012526A | ||||
| JP9244099A | ||||
| JP5134291A | ||||
| JP2002014388A |
Attorney, Agent or Firm:
Shuhei Katayama
Kikuchi
Kikuchi