Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1991-05-28
1992-09-15
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 221, 15 503, A46B 1304
Patent
active
051466422
ABSTRACT:
A powered scrub brush having a power head module, a brush head module, and n extension shaft module. The power head module includes a positive-displacement motor and a flow-control valve. The motor may be coupled directly to the brush head module or indirectly through one or more extension shaft modules. The power head module has a liquid discharge port that is connected to a liquid discharge tube on the extension shaft module that in turn is connected to a liquid sprayer having a nozzle on the brush head module. Mechanical power is transferred from the motor to the brush via an output shaft on the motor, a flexible shaft in the extension shaft module, and a shaft in the brush head module on which the brush is removably mounted. The powered scrub brush is manually operated by regulating a flow-control valve that is connected between a pressurized water source and an inlet port on the motor. As pressurized liquid flows through the motor, the brush will rotate and liquid will be discharged via the nozzle. In an alternate embodiment, the brush is eccentrically mounted for orbital motion. In this version, a counterweight provides dynamic balance.
REFERENCES:
patent: 1479272 (1924-01-01), Young
patent: 1922238 (1933-08-01), Freed
patent: 2801431 (1957-08-01), Eastis
patent: 3605154 (1971-09-01), Dawkins
patent: 4461052 (1984-07-01), Mostul
Carpenter Timothy J.
Mank James F.
Milosh Michael D.
Goldberg Edward
Lane Anthony T.
Roberts Edward L.
Sachs Michael C.
The United States of America as represented by the Secretary of
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