Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1991-04-12
1992-07-28
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15DIG2, B60S 306
Patent
active
051331004
ABSTRACT:
For washing the exterior of large vehicles such as trailers, busses, or truck tractors a portable washing device including a rotating brush assembly which can be raised and lowered. Water or other liquid can be supplied to the brush assembly for washing the vehicle. The entire device is mounted on a transmitting chassis capable of sharp turns especially in one direction so that it can move around the vehicle to be washed. The brush is also movable to a horizontally disposed carrying position, or can be tilted to maintain contact with the vehicle even when either it or the washer is on uneven ground.
REFERENCES:
patent: 2253609 (1941-08-01), Byron et al.
patent: 2636198 (1953-04-01), Wilson
patent: 2876472 (1959-03-01), Rousseau
patent: 2950492 (1960-08-01), Liekweg
patent: 3104406 (1963-09-01), Rhodes
Hill James D.
Shell James W.
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