Developing device

Details Developing device Developing device

1975-02-03

1977-01-04

Braun, Fred L.

Cleaning and liquid contact with solids

Apparatus

Sequential work treating receptacles or stations with means...

134143, 134149, 354313, 354323, G03D 1302

Patent

active

040018571

ABSTRACT:
A developing device for developing a film in a film magazine wound on a film spool by rotating the spool is constituted of a developing tank body to receive the film and a developer liquid therein and a handle to rotate the spool. The tank body is provided on the inner surface thereof with a plurality of protrusions or a recess to be engaged with the film outlet of the film magazine to prevent the film magazine from being rotated therein. The handle has a forked portion to be engaged with the engaging portion of the film spool and a radially extending arm portion having a grip at the outer end thereof to be rotated by hand. The handle is rotatably or fixedly mounted to a cover member mounted on the top of the tank body. The cover member on which the handle is rotatably mounted is fixed to the upper end of the tank body. The cover member to which the handle is fixedly mounted is loosely mounted on the upper end of the tank body.

REFERENCES:
patent: 810234 (1906-01-01), Towers et al.
patent: 1395160 (1921-10-01), Stockwell
patent: 2112605 (1938-03-01), Pless
patent: 2212357 (1940-08-01), Vanderwalker
patent: 2522763 (1950-09-01), Powell
patent: 2530734 (1950-11-01), Salzman
patent: 3276346 (1966-10-01), Conway et al.
patent: 3623416 (1971-11-01), Anderberg

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