US PATENT SUBCLASS 173 / 97
.~.~.~ Arcuate or rotary movement transmitted to tool

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

90  DF  IMPACTING DEVICES (E.G., HAMMERS) {19}
94  DF  .~ Hammer head moves in arcuate path or rotates {3}
95  DF  .~.~ Hammer head reciprocates along fixed transverse axis {2}
97.~.~.~ Arcuate or rotary movement transmitted to tool

DEFINITION

Classification: 173/97

(under subclass 95) Apparatus in which the hammer is coupled to the tool to cause the tool to move in the path generated about an axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

96, for a hammer head which rotates and reciprocates, in which means are provided to selectively release or vary rotation, generally such rotation being transmitted to the driven element.