发明授权
- 专利标题： Shutter device for camera
- 专利标题（中）： 相机快门装置
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申请号： US854886申请日： 1986-04-23
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公开(公告)号： US4657366A公开(公告)日： 1987-04-14
- 发明人: Yoshiaki Tanabe , Akira Katayama , Masanori Hasuda
- 申请人： Yoshiaki Tanabe , Akira Katayama , Masanori Hasuda
- 申请人地址： JPX Tokyo
- 专利权人： Nippon Kogaku K.K.
- 当前专利权人： Nippon Kogaku K.K.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX60-93462 19850430; JPX60-93463 19850430
- 主分类号： G03B9/18
- IPC分类号： G03B9/18 ; G03B9/40
摘要：
A focal plane shutter for camera comprises an opening blade group and a closing blade group, an opening blade-driving member and a closing blade-driving member, an exposure operation means for moving said blade-driving members for exposure operation, a braking member for changing the position from an initial position while absorbing the kinetic energy of the moving closing blade-driving member and resetting means for moving the blade-driving members and the braking member after completing the exposure operation.
公开/授权文献
- US5833326A Multiple master cylinder braking system 公开/授权日：1998-11-10