Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1977-01-17
1978-11-21
Whitehead, Harold D.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 88, 81 95R, A46B 1302, H02G 112, A46L 2500
Patent
active
041259165
ABSTRACT:
A power-driven tool for cleaning insulation and corrosion from conductors is portable and applies a controlled pressure established by hand. The tool employs a motor-driven abrasive drum and a pressure pad movable toward and away from the abrasive drum, with the conductor being squeezed between the pad and the drum during operation. A control for the motor is activated by the motion of the pressure pad toward the drum beyond a preestablished point, and an adjustable stop estalishes a minimum spacing between the pressure pad and the abrasive drum. A shroud covers the drum at all points except for an exposed area between the drum and the pressure pad, and a bias spring urges the pressure pad away from the drum to stop the motor upon release by the operator.
REFERENCES:
patent: 875824 (1908-01-01), Knisely
patent: 3187361 (1965-06-01), Wheeler
patent: 3447177 (1969-06-01), Williams et al.
patent: 3739415 (1973-06-01), Larson
Huber Robert L.
King Joseph S.
Gealow Jon Carl
LaPorte Ronald J.
McDonald Thomas E.
McGraw-Edison Company
Parker Roscoe V.
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