High-speed polishing machine

Details High-speed polishing machine High-speed polishing machine

1977-04-25

1978-09-26

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

15143A, 51177, 280 4322, 280 4737R, A47L 11162

Patent

active

041158903

ABSTRACT:
A high-speed polishing machine is provided which has a polishing pad rotatable at speeds substantially in excess of those heretofore usually employed for polishing machines. The new polishing machine is designed to operate at speeds in excess of 1,000 rpm and preferably about 1,150 rpm. Motors capable of rotating the polishing pads at such speeds operate close to the limits of 110 volt power and if excess pressure is placed on the pad, it will slow down substantially and frequently cause the motor to stall. The new machine has rear wheels which partially support the weight of the machine and has means for raising and lowering the wheels so as to control the pressure on the polishing pad. The machine also has a handle with a latch which enables the handle to raise the front of the machine when it is to be transported and the handle is in an upright, transporting, position. However, the latch will not enable the handle to place additional pressure on the rotating pad when the machine is operating and the handle is in a slanted, operating position.

REFERENCES:
patent: 1060041 (1913-04-01), Wagner
patent: 1694738 (1928-12-01), Geary
patent: 2079946 (1937-05-01), Myers
patent: 2541812 (1951-02-01), Finnell
patent: 3921244 (1975-11-01), Warren et al.

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