Brushing – scrubbing – and general cleaning – Machines – Combined
Patent
1976-01-29
1977-09-06
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Combined
15DIG2, 15 53A, 15 97R, B60S 306
Patent
active
040458369
ABSTRACT:
An automobile polishing apparatus including a main frame supported on wheels for movement around the automobile to be polished and upon which is mounted a polishing wheel for polishing the sides and front and rear of the automobile and a portable polishing unit which is adapted to be hand held for polishing the upper surfaces of the automobile. The preferred design includes a reversible drive for the polishing wheel, a brake for restraining movement of the apparatus along the floor, a pair of oppositely rotated polishing heads on the portable polishing unit, a hydraulic drive for the polishing heads, and an electric power supply including ring and brush contacts permitting free movement of the apparatus around the automobile.
REFERENCES:
patent: 2804635 (1957-09-01), Wilson
patent: 3192547 (1965-07-01), Nahrstedt et al.
patent: 3448476 (1969-06-01), Zaccone
patent: 3775800 (1973-12-01), Veneziani
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