Floor treating machine

Details Floor treating machine Floor treating machine

1992-06-15

1995-07-25

Spisich, Mark

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 98, A47L 11162

Patent

active

054350352

ABSTRACT:
A floor treating machine includes an electric motor, batteries free from leakage and mounted on a motor deck for supplying a current to the electric motor, a rotary shaft extending vertically and driven by the electric motor, and a floor treating device, such as a brush or sponge, detachably attached to a lower end of the rotary shaft to be rotatable therewith. The floor treating device contacts a floor and supports the machine during a floor treating operation. The electric motor is connected to the batteries through an on/off switch. The floor treating machine further includes a rotating rate varying device operable upon start of the electric motor for gradually increasing a rotating rate of the electric motor to reach a predetermined operational rotating rate after lapse of a predetermined time.

REFERENCES:
patent: 4122576 (1978-10-01), Bevington et al.
patent: 4339841 (1982-07-01), Waldhauser et al.
patent: 4483041 (1984-11-01), Waldhauser et al.
patent: 4674142 (1987-06-01), Meili
patent: 4805258 (1989-02-01), Sitarski et al.
patent: 4900881 (1990-02-01), Fischer

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