Cassette magazine for motion-picture films

Details Cassette magazine for motion-picture films Cassette magazine for motion-picture films

1974-01-23

1977-01-25

Taylor, Billy S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

352 78R, 352128, G11B 2310

Patent

active

040047466

ABSTRACT:
Cassette magazine for motion-picture films comprising: a flat container having on a sidewall thereof a longitudinal sliding and exposing opening for the film drawn by conventional means of the projector, and a disc rotably carried in the container and having a control or drive portion thereof which can be accessed to through an opening formed in a sidewall of said magazine, wherein the disc carrying the film roll has on the side facing inwardly of the container a coaxial sprocket, about which the inner turns of the film are arranged; at least one guide roller for the unwound film length; a pressing member of the film against the projection window; at least one guide roller for carrying the projected film towards the external periphery of the film roll and rewinding it on the outer turns of the film roll, guide tabs being provided on the lid and other means for maintaining the film turns at matching condition in the zone about the sprocket.

REFERENCES:
patent: 1751192 (1930-03-01), Cowie
patent: 2778637 (1957-01-01), Cash
patent: 2864611 (1958-12-01), Gray
patent: 2908769 (1959-10-01), Fonda
patent: 3065310 (1962-11-01), Cross
patent: 3252670 (1966-05-01), Smith
patent: 3568943 (1971-03-01), Robak
patent: 3591271 (1971-07-01), Shropshire
patent: 3788574 (1974-01-01), Wakeman et al.
patent: 3863853 (1975-02-01), Umeda

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