Film spool for a filmstrip

Details Film spool for a filmstrip Film spool for a filmstrip

1995-08-18

1997-01-21

Nguyen, John Q.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

2425841, G03B 2302, B65H 1928

Patent

active

055953530

ABSTRACT:
Film cassettes normally include a spool on to which a filmstrip is wound. However, the filmstrip is normally fixed to the spool and needs to be severed therefrom prior to processing. Herein is a spool for a film cassette in which a filmstrip can easily be attached to and detached from the spool. The spool comprises a body portion carrying a pair of flange members and having a slot formed therein, the slot having a pair of shoulders and a protrusion. A pair of pin members are also provided in the body portion. A filmstrip is inserted into slot under shoulders and over protrusion until an aperture therein engages with the protrusion to retain the filmstrip. Inwardly applied pressure to the pin members pushes the filmstrip upwardly so that the aperture clears the protrusion to allow the filmstrip to be detached from the spool.

REFERENCES:
patent: 3586258 (1971-06-01), Horlezeder
patent: 3650389 (1972-03-01), Mook
patent: 4334750 (1982-06-01), Fichter
patent: 4338015 (1982-07-01), Holmes
patent: 4506843 (1985-03-01), Luhrig et al.
patent: 5054710 (1991-10-01), Ikariya et al.
patent: 5226613 (1993-07-01), Katoaka et al.
patent: 5360183 (1994-11-01), Takahashi et al.

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