发明授权
- 专利标题： Film wind-up mechanism releasing device
- 专利标题（中）： 薄膜卷绕机构释放装置
-
申请号： US761856申请日： 1977-01-24
-
公开(公告)号： US4145011A公开(公告)日： 1979-03-20
- 发明人: Nobuaki Date
- 申请人： Nobuaki Date
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX51/8791 19760129
- 主分类号： G03B17/00
- IPC分类号： G03B17/00 ; G03B17/42 ; G03B1/04 ; G03B1/24 ; G03B19/04
摘要：
A device for releasing a film wind-up mechanism used for winding up film by driving a sprocket which is interlocked with a film wind-up means. The device is provided with a means for releasing the sprocket and the film wind-up mechanism from their states of being interlocked with each other when a preset number of film frames have been wound up.
公开/授权文献
信息查询
