(under the class definition) Process or apparatus combined with a step or means requiring no other control by an operator other than the initial starting or presetting of the condition of operation, for the tool or tool shaft to follow a complete cycle of operation of advance and retraction or retraction and advance returning to its original or starting position and then stopping.
SEE OR SEARCH THIS CLASS, SUBCLASS:
27, for automatic control of tool advance.
SEE OR SEARCH CLASS
173, Tool Driving or Impacting,
19, for a tool driving or impacting device which is advanced and retracted through a cycle by a self-acting means. 408, Cutting by Use of Rotating Axially Moving Tool,
14+, for machines of that class type including stopping upon completion of operation.
