Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1978-10-26
1980-05-13
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15314, 15327D, 15339, 15352, 29460, A47L 538
Patent
active
042020700
ABSTRACT:
A car wash vacuum cleaner and the method of making same is disclosed. The car wash vacuum cleaner comprises an inner shell means. A plurality of vacuum motors are secured within the inner shell means and adapted to provide a suction means therein. A monolithic concrete outer housing surrounds the inner shell means and encloses the top and bottom thereon. A plurality of door means disposed on the concrete housing provides an opening within the housing and inner shell means to both provide a vent means for the vacuum motor and a means for removing dirt particles or the like from within the inner shell. A suction tube fitting extends through the concrete housing and inner shell and is adapted to attach to a suction tube. Dirt particles or the like are drawn through the tube and tube opening into the inner shell when the motors are energized.
REFERENCES:
patent: 1765784 (1930-01-01), Aldinger
patent: 3308608 (1967-03-01), Brimberg
patent: 3535730 (1970-10-01), McClure
patent: 3568239 (1971-03-01), Hamrick
patent: 3618297 (1971-11-01), Hamrick
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