83 / | HD | CUTTING |
284 | DF | CUTTING MOTION OF TOOL HAS COMPONENT IN DIRECTION OF MOVING WORK {17} |
285 | DF | .~ With means to initiate intermittent tool action {2} |
286 | .~.~ Tool moved in response to work-sensing means {4} | |
287 | DF | .~.~.~> With means to vary "length" of product {1} |
289 | DF | .~.~.~> With photo-electric work-sensing means |
290 | DF | .~.~.~> With trip-switch work-sensing means {1} |
293 | DF | .~.~.~> With work-responsive means to initiate flying movement of tool {2} |