Patent
1983-03-21
1984-06-26
Mathews, A. A.
G03B 1726
Patent
active
044563582
ABSTRACT:
A film holder apparatus for field and studio cameras in which one or more sheets of film are maintained positively locked within a film holder frame in a crimped position so as to preclude undesirable sagging, shifting and bowing of the film prior to or during photography operations. Automatic film loading elements cooperate with the film holder frame to enable facilitated insertion and positioning of the film within the apparatus. Indexing ridges maintain the film in position, as gradual crimping takes place responsive to the insertion of a center plate member which cams the film rest plates adjacent the film sheets, outwardly against these sheets.
REFERENCES:
patent: 2326075 (1943-08-01), Smith et al.
patent: 3091168 (1963-05-01), Craig
patent: 4001847 (1977-01-01), McGrath
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