Top brush interrupt system for a car wash

Details Top brush interrupt system for a car wash Top brush interrupt system for a car wash

1990-05-29

1992-03-10

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

15DIG2, B60S 306

Patent

active

050939513

ABSTRACT:
A top brush interrupt system for a vehicle wash system particularly adapted for pickup trucks that includes a top brush rotatable on a generally horizontal cross shaft that journalled in a pair of spaced arms that are pivoted on a frame for movement toward and away from the top of the vehicle to be washed. The interrupt system includes a proximity switch on the frame cooperating with a proximity target on one of the arms for sensing when the top brush is in position on top of the vehicle and for indicating when the top brush is not on the top of the vehicle and associated circuitry including timing means for terminating rotation of the top brush and/or raising the top brush from the vehicle.

REFERENCES:
patent: 3822429 (1974-07-01), Thompson
patent: 4562848 (1986-01-01), Messing et al.

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