US PATENT SUBCLASS 173 / 83
.~ Advance means bodily reciprocated

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

81  DF  MEANS TO CONTROL ADVANCE AND CYCLICALLY RECIPROCATE A CABLE-OPERATED HAMMER OR TOOL {5}
83.~ Advance means bodily reciprocated

DEFINITION

Classification: 173/83

(under subclass 81) Apparatus in which the means to control

forward movement of the hammer head or tool is bodily reciprocated by a separate means which causes the reciprocation of the hammer head or tool.