1991-06-17
1992-11-24
Gellner, Michael L.
G03D 308
Patent
active
051667207
ABSTRACT:
A dental X-ray film developing machine is described. The machine has a cylindrical housing, a motor fixed on the housing, an arm for being driven by the motor, and a film holder for being brought into detachable engagement with the arm whereby development processing of a film mounted on the film holder is conducted while the film holder makes a full turn within the housing. Plural tanks, including a tank containing a developer and another tank containing a final processing solution such as water, are removably arranged along a peripheral wall of the housing. A film-holder-inserting portion is located before the developer-containing tank relative to the turning direction of the arm so that the film holder with the film mounted thereon can be positioned at a point where the film holder can be brought into engagement with the arm which is being driven. A device for detaching the film holder from the arm is provided after the final-processing-solution-containing tank relative to the turning direction of the arm.
REFERENCES:
patent: 3443503 (1969-05-01), Holm et al.
patent: 4162841 (1979-07-01), Dragone
patent: 4397536 (1983-08-01), Zwettler
patent: 4410257 (1983-10-01), Thebault
patent: 4853729 (1989-08-01), Tanaka
patent: 5005036 (1991-04-01), Wilson et al.
Gellner Michael L.
Nix Company Ltd.
Rutledge D.
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