Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1974-07-19
1976-02-17
Hornsby, Harvey C.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15349, A47L 11292
Patent
active
039382125
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: 3702488 (1972-11-01), Kasper
patent: 3824645 (1974-07-01), Krier et al.
Brown Neil F.
Krier Keith N.
Waldhauser Steven J. A.
Hornsby Harvey C.
Moore C. K.
Tennant Company
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