Roll film cassette

Details Roll film cassette Roll film cassette

1978-07-07

1979-12-04

Hix, L. T.

G03B 1726

Patent

active

041769384

ABSTRACT:
A roll film cassette has a film storage chamber and a film take-up chamber; these are connected by a web along which the film moves as it travels from the storage chamber to the take-up chamber. The web is provided adjacent the inlet to the take-up chamber with a springy detent a projection of which rides on the film and snaps into a perforation formed adjacent the film end in the film and/or in an end paper of the same. This prevents the film end from slipping into the take-up chamber and becoming inaccessible.

REFERENCES:
patent: 3227058 (1966-01-01), Hochreiter
patent: 3745899 (1973-07-01), Walther

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