Car washing apparatus

Details Car washing apparatus Car washing apparatus

1982-08-02

1984-04-10

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

15DIG2, B60S 306

Patent

active

044412266

ABSTRACT:
Apparatus for detecting the position of an object, for example, a licence plate, on the exterior of a car during the washing thereof includes a rotary brush which is driven by a hydraulic motor and is mounted on a pivotable structure adapted to move relative to and scrub the surface of the car as it advances therepast along a conveyor. A detection mechanism is positioned on an overhead structure to detect the position of the brush support structure corresponding to a position of the brush near the location of the license plate. A control mechanism responds to detection of the license plate and opens a fluid control valve, thereby reducing the rate of fluid flow to the hydraulic motor to slow the speed of brush rotation until the brush travels beyond the license plate.

REFERENCES:
patent: 3035293 (1962-05-01), Larson
patent: 3350733 (1967-11-01), Hanna
patent: 3506995 (1970-04-01), Larson et al.
patent: 3581334 (1971-06-01), Follis

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