Air cooled floor polishing machine

Details Air cooled floor polishing machine Air cooled floor polishing machine

1995-01-11

1999-02-16

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Machines

Wiping

15 491, 451353, A47L 11162

Patent

active

058707913

ABSTRACT:
A light-weight, high-speed, electrically powered manually directed floor polisher for cleaning and polishing a floor, the polisher having a carriage on which is mounted wheels, a motor, an electronic motor controller means for providing the current and voltage to operate the motor, cooling means for cooling the motor and its controller, the controller including a power factor correction device, a polishing pad, means engaged to the polishing pad and the brushless D.C. motor for rotating the polishing pad, the polishing pad fixed on the carriage so that substantially the entire area of its polishing face is in contact with the surface during operation of the polisher, and a detachable free-floating handle rotatably mounted to the carriage to direct transport of the polisher when in operation. The motor is mounted on the carriage to operate the polisher and to place a constant percentage of the force produced by the weight of the polisher down through the polishing pad to maintain substantially the entire area of the polishing face in polishing contact with the floor being serviced during operation while the remainder of the force is transmitted down through the wheels.

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