Easy loading mechanism for cameras

Details Easy loading mechanism for cameras Easy loading mechanism for cameras

1981-04-09

1983-08-02

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

354212, B65H 7528, G03B 124

Patent

active

043961649

ABSTRACT:
A camera film easy loading takeup spool includes a body member rotatable about a longitudinal axis past a film delivery position and a plurality of peripherally spaced pairs of longitudinal jaw members, one of each of which is swingable about a longitudinal axis between film entry opening open and closed positions relative to the respective other jaw member and spring biased to its open position and including a depending follower engaging a circular cam which closes the jaws offset from the film delivery position and permits the spring opening of the jaw proximate the film delivery position. A film perforation engaging tooth or a friction pad is carried by one of each pair of jaws and the inner ends of the jaws delineate an inner passageway of a width equal to about the film thickness. A visual indicator is actuated when any one of the jaw members is open.

REFERENCES:
patent: 3377935 (1968-04-01), Furusawa
patent: 3377936 (1968-04-01), Goshima
patent: 3420154 (1969-01-01), Lieser
patent: 3885750 (1975-05-01), Ikeuchi
patent: 4239362 (1980-12-01), Katayama

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