US PATENT SUBCLASS 173 / 190
.~.~ Powered by motor or mechanism

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

39  DF  WITH MEANS TO ADJUST POSITION OF AXIS OF TOOL ADVANCE {3}
42  DF  .~ Plural adjustments {1}
190.~.~ Powered by motor or mechanism {4}
191  DF  .~.~.~> Having screw threads
192  DF  .~.~.~> Having turntable
193  DF  .~.~.~> Having fluid motor {1}
196  DF  .~.~.~> Having flexible endless member

DEFINITION

Classification: 173/190

Powered by motor or mechanism:

(under subclass 42) Apparatus in which a device is provided to operate at least one of the adjustments which either (1) converts chemical or electrical energy or fluid pressure into mechanical energy or (2) contains a mechanical linkage.