发明名称 |
Exposure counter disc mechanism for cameras |
摘要 |
A camera is equipped with a back cover containing an exposure counter mechanism including a gear member in both frictional and gear toothed engagement with a film feeding sprocket of the camera. To accommodate films of different thickness and lengths, the cover is replacable with another having a different pressure plate, and the counter disc has indicia for counting up to 72 frames.
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申请公布号 |
US4486083(A) |
申请公布日期 |
1984.12.04 |
申请号 |
US19820415197 |
申请日期 |
1982.09.07 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
TAKADA, JUN;TAKAOKA, YUKIO |
分类号 |
G03B17/36;(IPC1-7):G03B17/36 |
主分类号 |
G03B17/36 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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