Rug and carpet cleaner

Details Rug and carpet cleaner Rug and carpet cleaner

1986-01-21

1989-03-07

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15321, 15334, 15353, 15410, A47L 700

Patent

active

048093971

ABSTRACT:
A mobile rug or carpet cleaner is provided with a support housing having front and rear wheels mounted so that the unit is tilted about the housing axis of the front wheels to engage and disengage a cleaning head with the carpet to be cleaned. The cleaner includes a fluid delivery system which provides fluid flow to the cleaning head, an auxiliary cleaning head and a spotter. The fluid delivery system utilizes a pump having an open conduit which continuously recycles cleaning fluid to a reservoir. The continuous recycle allows a solenoid valve in a line transporting fluid to the cleaning head spray nozzles to be abruptly closed without subjecting the entire fluid delivery system to a sudden, potentially damaging increase in fluid pressure. An automatic drain system utilizes a vacuum line to direct spent cleaning fluid to a removable waste tank for disposal. Suction can be selectively directed to the cleaning head or to the auxiliary head.

REFERENCES:
patent: 2557216 (1951-06-01), Calabrese
patent: 3774261 (1973-11-01), Colt
patent: 3848291 (1974-11-01), Morse
patent: 3879797 (1975-04-01), Principe et al.
patent: 4014067 (1977-03-01), Bates
patent: 4136420 (1979-01-01), Cyphert et al.
patent: 4153968 (1979-05-01), Perkins
patent: 4159554 (1979-07-01), Knight et al.
patent: 4167798 (1979-09-01), Klugl et al.
patent: 4167799 (1979-09-01), Webb
patent: 4272861 (1981-06-01), Notta et al.
patent: 4558484 (1985-12-01), Groth
patent: 4598440 (1986-07-01), Wilson

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