Lighttight cassette

Details Lighttight cassette Lighttight cassette

1991-03-01

1992-06-30

Hix, L. T.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 711, 242 754, G03B 1726

Patent

active

051267748

ABSTRACT:
A lighttight cassette has a housing including a wall surrounding the periphery of a roll of web material supported therein. The housing also includes two ends, connected through the wall of the housing, on which the roll is supported in a rotatable manner. The cassette has an externally operated brake device that applies an adjustable friction locking between an end surface of the roll and the adjacent end wall, thereby preventing unwanted unwinding of the film during transportation and storage.

REFERENCES:
patent: 3612424 (1971-10-01), Friedel
patent: 4398814 (1983-08-01), Muylle et al.

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