Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1986-12-09
1988-02-09
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15321, 15353, A47L 1130
Patent
active
047233370
ABSTRACT:
A single unit readily portable carpet and rug cleaning apparatus receives water directly from any spigot into a high pressure pump without the necessity for a clean water holding tank. Shampoo or cleaning concentrate from an outside container is delivered by siphoning to the incoming water stream being delivered to the high pressure pump. The high pressure cleaning liquid is delivered through a high pressure line extending along a vacuum wand directly onto the carpet or rug through a high pressure nozzle close to floor level. Simultaneously, water and dirt are withdrawn from the carpet or rug through a suction head and delivered through the vacuum wand and a vacuum hose to a dirty water holding tank within the apparatus by the action of twin vacuum motors. When the recovered dirty water reaches a certain level in the holding tank, a float actuates a switch causing the dirty water to be pumped from the holding tank into any convenient drain, commode, laundry tray or sewer. A second float-operated switch automatically cuts off the vacuum pump motors if for any reason the dirty water pump out system malfunctions. Dirty water entering the apparatus holding tank is filtered to remove debris and large particulate matter. Dirty water is never reused by the apparatus in the cleaning mode.
REFERENCES:
patent: 4080104 (1978-03-01), Brown
patent: 4153968 (1979-05-01), Perkins
patent: 4168563 (1979-09-01), O'Bryan
patent: 4542556 (1985-09-01), Hepple
patent: 4651380 (1987-03-01), Ogden
Ellison Clifford D.
Shumpert George E.
Moore Chris K.
Shumpert & Ellison, Inc.
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