发明名称 SAFETY OVERRIDE FOR FLASH LAMP INDEXING COMPONENTS OF AN EXPOSURE MECHANISM
摘要 Photographic apparatus for use with a flash cube indexing mechanism incorporating safety override features. In an important embodiment, a flash cube indexing mechanism is linked to the shutter of a camera. When the flash cube is improperly rotated in either direction from a source external to the camera, an override feature permits the improper rotation without damage to either the shutter or the indexing mechanism.
申请公布号 US3688660(A) 申请公布日期 1972.09.05
申请号 USD3688660 申请日期 1970.12.08
申请人 POLAROID CORP. 发明人 BRUCE K. JOHNSON
分类号 G03B9/70;G03B15/04;(IPC1-7):G03B15/03 主分类号 G03B9/70
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