US PATENT SUBCLASS 173 / 35
.~.~ Tool advanced laterally of structure

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

31  DF  WITH WORK ENGAGING MEANS SUPPORTING DRIVE {4}
34  DF  .~ Structure extends between opposed points {1}
35.~.~ Tool advanced laterally of structure

DEFINITION

Classification: 173/35

(under subclass 34) Apparatus in which the drive is adapted to operate a tool to advance along an axis substantially perpendicular to a line extending between the opposed points of engagement.