Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1978-03-06
1980-10-07
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15DIG2, B60S 306
Patent
active
042259959
ABSTRACT:
A rotating brush assembly for a vehicle washing apparatus is disclosed in which the brush assembly, which includes a brush, a brush shaft supporting the brush, a brush motor for driving the brush shaft and a flexible elastic coupling, is permitted to swing or tilt in response to the force exerted on the brush by the movement of the vehicle relative to the vehicle washing apparatus. The flexing of the flexible elastic coupling, which couples the brush shaft to the support arm, permits the brush to tilt or swing in any direction. For example, when the brush assembly engages the front of a vehicle, the flexible elastic coupling permits the brush to tilt as it passes along the front end of the vehicle. The brush motor rotates the brush in a direction which causes the brush to walk along the front of the vehicle. As a result, the cooperative action of the rotary reaction force of the brush and the flex of the flexible elastic coupling causes the brush to turn the front corner of the vehicle and pass along the side of the vehicle. Similarly, the flex of the flexible elastic coupling together with the rotary reaction force of the brush against the vehicle enables the brush to wash the side and turn the rear corner to wash the rear of the vehicle.
REFERENCES:
patent: 3428983 (1969-02-01), Seakan
patent: 3434172 (1969-03-01), Wilson
patent: 3720972 (1973-03-01), Ennis
patent: 3747151 (1973-07-01), Takeuchi
patent: 3806978 (1974-04-01), Takeuchi
patent: 3868740 (1975-03-01), Brovig
patent: 3881208 (1975-05-01), Miner
patent: 3908219 (1975-09-01), Chapman
N/S Car Wash Enterprises, Inc.
Roberts Edward L.
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