发明名称 Take-up assembly for automatic film loading of camera
摘要 A take-up assembly for automatic film loading comprises a film take-up spool sleeve having a notch window formed therein for receiving a film catch member, a spool shaft rotatably fitted inside the spool sleeve and supported by a camera body so as to present a given magnitude of friction for its rotation relative to the body, a catch member rotatably mounted on the spool shaft and having a pawl which is disposed inside the notch window for fitting engagement with one of perforations formed in a perforated roll film, a first spring for causing the catch member to project out of the notch window during a film loading operation, and a second spring for causing the spool sleeve to rotate through a given angle relative to the spool shaft for receiving the catch member inside the notch window.
申请公布号 US4411509(A) 申请公布日期 1983.10.25
申请号 US19810331587 申请日期 1981.12.17
申请人 OLYMPUS OPTICAL COMPANY LTD. 发明人 SHIRAI, HITOSHI
分类号 G03B17/28;G03B1/04;G03B1/58;G03B17/00;G03B17/30;G03B17/42;(IPC1-7):G03B1/04 主分类号 G03B17/28
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