Apparatus for withdrawing the tongue of a film incorporated in a

Details Apparatus for withdrawing the tongue of a film incorporated in a Apparatus for withdrawing the tongue of a film incorporated in a

1977-09-30

1978-09-12

Mautz, George F.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

81 3R, 226 92, 242 55, 242 711, G03B 102, B25B 900

Patent

active

041131924

ABSTRACT:
This invention relates to an apparatus for withdrawing the tongue of an exposed film incorporated in a cartridge. A thin resilient guide member is mechanically inserted into the cartridge. After insertion of the guide member into the cartridge, a thin resilient film withdrawal strip with hooks is inserted into the cartridge in the same manner and then, retracted from cartridge to withdraw the film by engagement of the hooks with perforations in the film.

REFERENCES:
patent: 3261237 (1966-07-01), Sentiff
patent: 3724776 (1973-04-01), McKee
patent: 3838833 (1974-10-01), Hopfner et al.
patent: 4047653 (1977-09-01), Starr

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