Double overhead brush assembly

Details Double overhead brush assembly Double overhead brush assembly

1976-03-11

1977-06-14

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

15DIG2, B60S 1306

Patent

active

040287661

ABSTRACT:
A machine for washing vehicles such as large trucks and tractor-trailer combinations includes a triangular frame at each side of the path of the vehicle during the washing operation. Brushes rotatable about horizontal axes wash the front, top and rear of the vehicle. A first brush is mounted to be pushed upwardly by the front end of the vehicle as it moves through the apparatus and a second brush moves downwardly under its own weight in contact with the rear end of the vehicle. These brushes also engage the top of the vehicle. The first brush may be raised to clear exhaust stacks and the like, and the second brush is retained at an elevated position until the vehicle enters the apparatus sufficiently for it to be lowered onto the top. When the second brush reaches the lower end of its track after the vehicle departs, it is restored to the elevated position. The first brush is lifted from the top of the vehicle before it reaches the rear end of the vehicle, and is returned to its lowermost position after completion of the washing cycle.

REFERENCES:
patent: 2610342 (1952-09-01), Griffiths
patent: 2879529 (1959-03-01), Piper
patent: 2881459 (1959-04-01), Emanuel
patent: 3060473 (1962-10-01), Vani

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