Patent
1982-09-28
1985-01-08
Mathews, A. A.
354327, 354330, G03B 304, G03B 1304
Patent
active
044924470
ABSTRACT:
Photographic developing apparatus is described which includes a tray for receipt of photographically sensitized material to be developed having a light tight lid to form the processing tank and a raised annular foot on the underside of the tray. The apparatus also includes a domed base, the domed base and the underside of the tray member being such that, when the tray member is mounted on the domed base, substantially a point of the tray member within the annular foot is movable in a circular path substantially about the central axis of the domed base with the annular foot bearing on the domed base. The tray may also be rotatable about its central axis. The tray, on the domed base, can be driven manually or by motor, to give the tray a rocking movement. In this photographic sensitized material can be developed in the tray using small amounts of processing liquid but ensuring good spreading of that processing liquid over the material being processed.
REFERENCES:
patent: 1871374 (1932-08-01), John
patent: 2220567 (1940-11-01), Wright
patent: 2861509 (1958-11-01), Dodson
patent: 3465664 (1969-09-01), Bochman
patent: 3478666 (1969-11-01), Bishop
patent: 3644036 (1972-02-01), Canfield
patent: 3903540 (1975-09-01), Hampl
Mathews A. A.
Paterson Product Ltd.
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