Film cassette and method of assembling the same

Details Film cassette and method of assembling the same Film cassette and method of assembling the same

1989-07-14

1990-06-05

Hix, L. T.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

354276, 242 71, 242 711, G03B 1726

Patent

active

049318195

ABSTRACT:
A film cassette is disclosed wherein a filmstrip in roll form is stored within the cassette shell and has a leader that projects from an exterior end of a film passage slit in the cassette shell to permit the filmstrip to be drawn out of the shell. According to the invention, the leader has a forward edge portion that is folded back onto a successive portion of the leader to prevent the leader from being moved completely through the exterior end of the film passage slit into the cassette shell. Preferably, the forward edge portion of the leader is secured to the successive portion of the leader to form a looped portion of the leader between the forward edge and successive portions which may be engaged in a camera, for example, to draw the filmstrip out of the cassette shell.

REFERENCES:
patent: 1531182 (1925-03-01), Hartmann
patent: 1676037 (1928-07-01), Lowkrantz
patent: 3213775 (1965-10-01), Rehn
patent: 3943536 (1976-03-01), Oshima
patent: 4395107 (1983-07-01), Luhrig et al.
patent: 4482232 (1984-11-01), Engelsmann et al.
patent: 4746943 (1988-05-01), Kohl
patent: 4875638 (1989-10-01), Harvey

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