Optics: motion pictures – Removable film strip magazine type
Patent
1977-08-17
1979-09-18
Hayes, Monroe H.
Optics: motion pictures
Removable film strip magazine type
352224, 242197, G03B 2302
Patent
active
041681142
ABSTRACT:
A film gate for being received in a cassette which holds a film strip for projection therefrom; the gate provides stationary tapered guides against which a strip not lying precisely in a preselected focal plane, is cammed toward the preselected focal plane by the tapered guide fingers; an opposed movable guide on a movable portion of the film gate opposite to the stationary guide is provided with arcuate guide fingers to prevent the cammed film strip from moving away from the preselected focal plane.
REFERENCES:
patent: 3410186 (1968-11-01), Kaneko
patent: 3514194 (1970-05-01), Ariyasu
patent: 3514197 (1970-05-01), Sho
patent: 3561853 (1971-02-01), Thevenaz
patent: 3578851 (1971-05-01), Jensen
patent: 3601335 (1971-08-01), Dopkins et al.
Bobis Daniel H.
Hayes Monroe H.
Popper Norman N.
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