Automatic stirring system for film developing

Details Automatic stirring system for film developing Automatic stirring system for film developing

1984-01-27

1985-09-10

Coe, Philip R.

Agitating

Stirrer within stationary mixing chamber

Magnetic stirrer

74 29, 354328, 366278, G03D 304, B01F 1308

Patent

active

045402892

ABSTRACT:
A drive means for a photographic film developing tank and a developing tank for use therewith, including magnetic coupling means connecting an agitator in the tank with the reciprocating-type drive means, such as a rack and pinion, and an electric motor.

REFERENCES:
patent: 1377473 (1921-05-01), Gschwind
patent: 2104283 (1938-01-01), Webster
patent: 2539884 (1951-01-01), Barth
patent: 2545914 (1951-03-01), Boucher
patent: 2970235 (1961-01-01), Pike
patent: 3116913 (1964-01-01), Lane
patent: 4021023 (1977-05-01), Berg
patent: 4184777 (1980-01-01), Brouhard, Jr.

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