Camera double exposure prevention system

Details Camera double exposure prevention system Camera double exposure prevention system

G - Physics

03

B

95/59

G03B 17/42 (2006.01)

Patent

CA 1255531

ABSTRACT A double-exposure prevention system for a still camera having a cockable spring-biased linear movable shutter-actualting slider operable between a cocked condition and held thereat by a latch movably responsive to a manually operated release member and thereafter upon release of the latch to a shutter-actuating position is provided with means for allowing one end of the slider to be rotated out of and away form the axis of the shutter- actuating movement throughout most of the subsequent rewind operation. While in this second angular position, the slider disables the operation of the release member, preventing accidental tripping of the latch after a cocking condition has been restored. During a small terminal portion of the film advance and after the preceding frame has been safely advanced so as to be out of the way, the film advance mechanism then rotates the slider back to its initial position. In the preferred form of the invention, these features are accomplished by modifying the location and configuration of a conventional non-safetied shutter release system. No additional parts are necessary.

492437

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