Suspension and control system for a vehicle surface treating imp

Details Suspension and control system for a vehicle surface treating imp Suspension and control system for a vehicle surface treating imp

1995-07-28

1997-03-25

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Machines

Brushing

15DIG2, 15 532, B60S 306

Patent

active

056132603

ABSTRACT:
A vehicle surface treating implement, such as is used in a carwash, having an improved suspension and position control system. The surface treatment implement, such as a rotary brush, is carried at the free end of one or more secondary support arms which are in turn pivotally connected to one or more spaced apart primary support arms, said primary support arms being driven in rotation about an axis in accordance with signals as determined by the orientation of the secondary arms relative to a fixed reference which is in turn a function of the contact pressure between the brush and the vehicle surface being treated. Vehicles to be treated approach from the free ends of the primary arms, which rotate about the axis as necessary to maintain the brush in contact with the surface of the vehicle. In a preferred embodiment, the axis is horizontal and is well below the maximum height of vehicles to be treated.

REFERENCES:
patent: 3224108 (1965-12-01), Flaming
patent: 3292192 (1966-12-01), Maxwell
patent: 3510899 (1970-05-01), Vollenweider et al.
patent: 3593358 (1971-07-01), Hofmann
patent: 3688329 (1972-09-01), Capra
patent: 3793663 (1974-02-01), Lieffring
patent: 3798696 (1974-03-01), Cirino
patent: 3822429 (1974-07-01), Thompson
patent: 4338698 (1982-07-01), Beer et al.

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