Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1974-06-28
1976-02-03
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
G03B 104, G11B 1532
Patent
active
039360105
ABSTRACT:
Cassette for film comprising a double-decked case having an upper half and a lower half compartment separated by a partition member therebetween, a supply reel and a take-up reel, each with a hub contained respectively within said upper and lower half compartments, said hubs being retained between projecting flanges forming hub tubes in the center of the upper half compartment, partition member and lower half compartment, and a plurality of guide rollers provided inside and at each corner of the cassette to orient the route of the film for advancing and rewinding between said reels, the arrangement being such that the double-decked formation substantially reduces the dimension lengthwise of a conventional cassette without reducing its capacity and preserving performance quality.
REFERENCES:
patent: 3484056 (1969-12-01), Sugino et al.
patent: 3552685 (1971-01-01), Larsen
patent: 3639697 (1972-02-01), Koguma et al.
patent: 3669384 (1972-06-01), Hathaway
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