Suction pump reservoir brush

Details Suction pump reservoir brush Suction pump reservoir brush

1981-06-24

1983-02-08

Coughenour, Clyde I.

Coating implements with material supply

Including means to apply material-moving force

Including means to collapse flexible wall

401138, 401189, 401277, 15341, A46B 1104

Patent

active

043727000

ABSTRACT:
A reservoir brush useful for washing automobiles and the like has a vacuum creating pump operable in a chamber in which an expandable bladder resides in order to draw fluid through the head of a brush to which the bladder is attached and into the bladder, wherein the chamber is vented, facilitating collapse of the bladder and run-out of the fluid when the pump is not operating, the pump including a check valve facilitating the pumping action.

REFERENCES:
patent: 1634618 (1927-07-01), Hjorth
patent: 1953940 (1934-04-01), Kingman
patent: 2391385 (1945-12-01), Boral
patent: 3261367 (1966-07-01), Pickering

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