Boots – shoes – and leggings
Patent
1982-06-07
1985-04-23
Smith, Jerry
Boots, shoes, and leggings
364188, 364191, 364511, 364174, 364474, 318305, 318345C, 318345D, 318345H, 318571, 318332, 318345E, 340802, 408 9, H02P 122, H02P 728
Patent
active
045133816
ABSTRACT:
A power tool in which feed rate information is used as a means of changing cutting implement speed to maintain an optimum chip rate removal. As the tool is loaded by a feed rate increase, the motor speed will increase to that point empirically determine to provide a good finish for the material and cutting implement size selected. If the load decreases, the motor speed will correspondingly decrease to that speed which will provide a good finish for the material and cutting implement size selected with out overheating of the material. A limit would be set to indicate to an operator when he is at the upper limit of the speed and feed rate range and turn off the tool after a short period of time to prevent destructive overheating.
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Hitachi Hammer Drill.
Houser, Jr. John
Laughon Thomas C.
Bell Edward L.
MacDonald Allen
Schmidt Edward P.
Smith Jerry
Smith Robert E.
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