US PATENT SUBCLASS 173 / 114
.~ With means to reciprocate tool

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

90  DF  IMPACTING DEVICES (E.G., HAMMERS) {19}
114.~ With means to reciprocate tool

DEFINITION

Classification: 173/114

(under subclass 90) Apparatus including an additional means to reciprocate the tool.