Film cassette

Details Film cassette Film cassette

1989-01-12

1989-10-24

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

354275, G03B 1726

Patent

active

048756385

ABSTRACT:
A film cassette is disclosed wherein a film retention member located along a film passage slit is adapted to enter a trapping perforation in a leader portion of the filmstrip to secure the leader portion in the slit portion to the initial advance of the filmstrip from the cassette shell. A trailing end portion of the filmstrip has a cut-out which enables the filmstrip to fall away from a support for normally positioning the filmstrip within range of the retention member, when the filmstrip is advanced sufficiently from the cassette shell to move the cut-out to the support.

REFERENCES:
patent: 1685010 (1928-09-01), Thornton
patent: 3467314 (1969-09-01), Roman
patent: 4176938 (1979-12-01), Weiss et al.
patent: 4395107 (1983-07-01), Luhrig et al.

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