US PATENT SUBCLASS 173 / 221
.~.~ With manual means to control motor

Current as of: June, 1999
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173 /   HD   TOOL DRIVING OR IMPACTING

213  DF  MEANS TO DRIVE TOOL ABOUT AN AXIS {7}
218  DF  .~ Fluid motor {4}
221.~.~ With manual means to control motor

DEFINITION

Classification: 173/221

With manual means to control motor:

(under subclass 218) Apparatus wherein a means is provided that is directly actuable by an operator of the tool to regulate the motor.