Camera with apparatus for maintaining film flat during photograp

Details Camera with apparatus for maintaining film flat during photograp Camera with apparatus for maintaining film flat during photograp

1993-07-15

1995-10-17

Gellner, Michael L.

G03B 1700

Patent

active

054595436

ABSTRACT:
A camera having a photographing mask, a cassette chamber on one side of the photographing mask and a film winding spool on the other side includes: a motor for rotating the winding spool in a film winding direction; a spring disposed between the cassette chamber and the photographing mask, the spring having a first spring unit for pushing a film cassette, toward an inner wall of the cassette chamber to thereby position the cassette, and a second spring unit for pushing the film, drawn from the film cassette, toward the photographing mask to thereby apply a predetermined load against movement of the film; and a device for applying to the film a tensile force which is smaller than the predetermined load on the film winding side. Thus, it is possible to dispense with an independent pressure plate.

REFERENCES:
patent: 3488120 (1970-01-01), Nagel
patent: 4034388 (1977-07-01), Iwashita et al.
patent: 4331275 (1982-05-01), Therien et al.
patent: 4395103 (1983-07-01), Tezuka
patent: 4751538 (1988-06-01), Konno
patent: 5122830 (1992-06-01), Imaeda et al.

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