Floor scrubber

Details Floor scrubber Floor scrubber

2005-01-18

2005-01-18

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S340400

Reexamination Certificate

active

06842940

ABSTRACT:
A floor scrubber includes a forward cylindrical brush with adjustable down pressure. The cylindrical brush is sprayed uniformly with a controlled amount of water or solution and moves debris forward with a direct propelling action into a collection hopper. A set of three disc brushes is located behind the cylindrical brush, followed by a suction liquid recovery device for suctioning spent solution. A control system allows independent use of the forward cylindrical brush, or the rear disc brush set, or all brushes. A floor-engaging flap having a central opening extends transverse of the machine behind the cylindrical brush to channel water from the cylindrical brush to the disc brush set and then to the suction recovery device.

REFERENCES:
patent: 4173052 (1979-11-01), Burgoon et al.
patent: 4429433 (1984-02-01), Burgoon
patent: 4884313 (1989-12-01), Zoni
patent: 5623743 (1997-04-01), Burgoon et al.
patent: 5630286 (1997-05-01), Vanderlinden
patent: 5940928 (1999-08-01), Erko
patent: 6035479 (2000-03-01), Basham et al.

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