Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1974-06-19
1976-03-09
Aegerter, Richard E.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15 50C, 15 50R, A47L 1129
Patent
active
039422186
ABSTRACT:
A scrubbing machine that includes an articulated vehicle having a power unit and a trailer unit coupled thereto, said trailer unit having cleaning and dirty solution tanks thereon, a squeegee assembly on the power unit having a central liquid take-up tube and a second take-up tube at one end portion thereof, controls operated by turning the vehicle in the appropriate direction for switching the application of vacuum from the central tube to the second tube, a scrubber head unit and an assembly for mounting and carrying the scrubber unit on the vehicle and raising and lowering the scrubber unit including an articulated joint to permit limited pivotal movement of the scrubber head about a generally vertical axis and an axis perpendicular thereto.
REFERENCES:
patent: 1463707 (1923-07-01), Koger
patent: 1878508 (1932-09-01), Menkhaus
patent: 3702488 (1972-11-01), Kasper
Brown Neil F.
Krier Keith N.
Waldhauser Steven J. A.
Aegerter Richard E.
Jones Larry
Tennant Company
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