Film take-up reel

Details Film take-up reel Film take-up reel

1976-01-14

1977-04-05

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7528

Patent

active

040157938

ABSTRACT:
A film take-up reel having a longitudinal slot through the surface of said reel and a rotatable tightening shaft cooperating with said slot to secure the film to the reel. The tightening shaft has an effective diameter substantially less than that of the take-up reel and is located adjacent the slot through the surface of the reel. The tightening shaft also defines a slot entirely therethrough and cooperates with the slot in the take-up reel to impart several convolutions in the film to secure the film to the reel.

REFERENCES:
patent: 3062468 (1962-11-01), Brown
patent: 3204888 (1965-09-01), Bernat
patent: 3648944 (1972-03-01), Fujiwara
patent: 3840196 (1974-10-01), Presentey

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