Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1976-12-02
1977-09-27
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15DIG2, B60S 306
Patent
active
040501094
ABSTRACT:
A self-propelled and contained trailer washing machine, operable by one individual, which machine is comprised of an integrally powered and steerable wheel mounted rigid frame structure configured to straddle the height and width dimensions of a typical over-the-road commercial trailer so that when the washing machine is operator-aligned to straddle a trailer and then driven along the longitudinal dimension thereof, on such a single driven pass the exterior surfaces of the trailer are automatically washably cleaned by the operator first activating a selected material application pump which supplies an operator controlled amount of a suitable fluid cleaning material directed through a spray arch from one of a plurality of tanks mounted within and carried upon the rigid frame structure, followed by operator activation of a set of spaced frame structure mounted laterally adjustable vertical rotary brushes which simultaneously engage and by opposing rotary motion scrub the respective trailer sides concurrent with driven washing machine displacement along the longitudinal dimension thereof, and lastly, operator activation of a piston pump which supplies high pressure water through a rinse arch from one of a plurality of water tanks also mounted within and carried upon the rigid frame structure whereby there is accomplished a directed high pressure rinsable removal and flushing of soil and residue material from the external trailer surfaces to complete the single pass washable cleaning thereof.
REFERENCES:
patent: 2865034 (1958-12-01), Petite
patent: 3581335 (1971-06-01), Saxonmeyer
patent: 3772723 (1973-11-01), Krimm
Learned Jr. Samuel M.
Roberts Edward L.
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