发明名称 Film feeding device, and optical apparatus including the same
摘要 A film feeding device includes a driving source, a spool gear, provided on a film wind-up spool, to which a driving force of the driving source is transmitted, a cartridge-spool driving gear for transmitting the driving force of the driving source to a cartridge spool within a film cartridge, a clutch gear, movable between a meshed position and an unmeshed position with respect to the spool gear, for transmitting a driving force of the spool gear to the cartridge-spool driving gear when meshed with the spool gear, and a moving mechanism for moving the clutch gear from the unmeshed position to the meshed position with respect to the spool gear by transmission driving by the driving source.
申请公布号 US6336751(B1) 申请公布日期 2002.01.08
申请号 US19990386300 申请日期 1999.08.31
申请人 CANON KABUSHIKI KAISHA 发明人 SHIBAYAMA YOSHINOBU
分类号 G03B1/12;G03B17/00;(IPC1-7):G03B1/00 主分类号 G03B1/12
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