Film advancing apparatus

Details Film advancing apparatus Film advancing apparatus

1986-07-31

1987-05-12

Mathews, A. A.

354 86, G03B 1750, G03B 100

Patent

active

046644920

ABSTRACT:
Film advancing apparatus for moving a thin, planar, resilient film unit at least partially from a film cassette. The apparatus includes a member for applying a force to one end of the film unit while simultaneously blocking its movement through an egress in the film cassette, thus causing the film unit to assume a flexed stressed configuration. When the egress is unblocked, the resiliency of the film unit provides a force for moving an opposite end of the film unit out of the film cassette via the egress as it assumes its original planar configuration.

REFERENCES:
patent: 3405618 (1968-10-01), Land
patent: 3741095 (1973-06-01), Harvey
patent: 3872487 (1975-03-01), Gold
patent: 3886570 (1975-05-01), Asano et al.
patent: 3994006 (1976-11-01), Ichii
patent: 4152057 (1979-05-01), Henning et al.
patent: 4152063 (1979-05-01), Henning
patent: 4208114 (1980-06-01), Ito et al.
patent: 4555213 (1985-11-01), Tamura et al.

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