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 | DF | .~.~ Powered by motor or mechanism {4} |
193 | DF | .~.~.~ Having fluid motor {1} |
194 | DF | .~.~.~.~ With mechanical movement {1} |
195 | .~.~.~.~.~ With flexible endless member |