Photographic camera with film threading apparatus

Details Photographic camera with film threading apparatus Photographic camera with film threading apparatus

1989-07-14

1991-02-12

Mathews, A. A.

354212, G03B 144, G03B 150

Patent

active

049928120

ABSTRACT:
In a camera adapted for use with a film cassette containing a non-protruding film leader which can be automatically propelled out of the cassette, a plurality of film guide members are located along opposite sides of a film advance path leading from a receiving chamber for the cassette to a film take-up means. The guide members are movable closer together to transversely bow the film leader to thereby increase the longitudinal stiffness of the leader to facilitate its being propelled along the film advance path without being snagged. When the film leader is secured to the film take-up means, the guide members are moved slightly apart to permit a film pressure plate to flatten successive imaging areas of the filmstrip over an exposure opening in the film advance path.

REFERENCES:
patent: 1260357 (1918-03-01), Folmer
patent: 1966684 (1934-07-01), Pollock
patent: 2336278 (1943-12-01), Mihalyi
patent: 2981146 (1961-04-01), Kipping
patent: 3479938 (1969-11-01), Winkler et al.
patent: 4132473 (1979-01-01), Kondo
patent: 4324476 (1982-04-01), Seeley

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