Brushing – scrubbing – and general cleaning – Machines – Wiping
Patent
1987-06-17
1988-07-12
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Wiping
15 53AB, 15DIG2, B60S 306
Patent
active
047560410
ABSTRACT:
A vehicle apparatus for washing upright surfaces of vehicles has an upper washer rotatable about a first upright axis and a lower washer rotatable about a second upright axis. The washers are loosely coupled together so as to permit lateral shifting of the two axes and washers relative to one another within limits.
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patent: 4441226 (1984-04-01), Hanna
patent: 4608726 (1986-09-01), Hanna
patent: 4670929 (1987-06-01), Hanna
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