US PATENT SUBCLASS 173 / 7
.~.~.~ Drive motor motivating energy condition initiates control

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

2  DF  AUTOMATIC CONTROL OF POWER OPERATED MEANS {4}
4  DF  .~ Tool advance causing or controlling means {2}
5  DF  .~.~ Responsive to torque or speed condition of drive {3}
7.~.~.~ Drive motor motivating energy condition initiates control {1}
8  DF  .~.~.~.~> Motive fluid flow or pressure condition of drive motor

DEFINITION

Classification: 173/7

(under subclass 5) Apparatus in which means driving the tool comprises a motor, and the sensing means senses a condition of the motor power material or electric current.

SEE OR SEARCH CLASS

318, Electricity: Motive Power Systems,

39, for electrical work and feed motors which are interrelated.