Liquid dispensing apparatus utilizing double acting piston

Details Liquid dispensing apparatus utilizing double acting piston Liquid dispensing apparatus utilizing double acting piston

1974-06-11

1976-08-10

Reeves, Robert B.

Dispensing

Drip, leakage or waste catching or disposal

222130, 222327, 222390, 222541, 222DIG1, 141 27, G01F 1102

Patent

active

039736997

ABSTRACT:
A development system for use in electrostatographic automatic imaging machines is described. The system includes an apparatus comprising a cartridge having a tubular housing with a piston slideably mounted in the housing defining a set of chambers and means adapted for engagement with an external drive for advancing the piston along the housing. Outlet and inlet means communicating with chambers respectively have means for sealing the inlet and outlet means are also provided. This apparatus comprises a liquid developer system to develop latent images on a photoconductive surface in an expedient fashion which avoids spillage of the liquid developer.

REFERENCES:
patent: 1183185 (1916-05-01), Gill
patent: 1265533 (1918-05-01), Searle
patent: 1751693 (1930-03-25), Gentle
patent: 2029055 (1936-01-01), Burke
patent: 3367746 (1968-02-01), Maurukas
patent: 3677444 (1972-08-01), Merrill

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