Agitating – Rubber or heavy plastic working – With specified feed means
Patent
1988-08-23
1989-06-13
Mathews, A. A.
Agitating
Rubber or heavy plastic working
With specified feed means
366211, G03D 304
Patent
active
048396842
ABSTRACT:
A photographic tray agitator is set forth wherein an oscillating arm is cycled to maintain a photographic tray of chemicals constantly agitated for enhancing photographic development. A coil spring is wound within a housing to operate a clockwork that effects a cammed oscillation of an extending arm wherein the arm is adjustable in time of pivotment by means of a first friction adjustment bearing directly on the arm and a second friction adjustment adjusting tension on a drive gear of the clockwork mechanism.
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patent: 3998434 (1976-12-01), Gaynor
patent: 4026531 (1977-05-01), Luchsinger et al.
patent: 4255039 (1981-03-01), Hope et al.
patent: 4362377 (1982-12-01), Yoshida et al.
patent: 4423945 (1984-01-01), Preston et al.
Leonard Mercedes B.
Michelson Randi J.
Gilden Leon
Mathews A. A.
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