(under subclass 272.1) Implements in which the blade moving means is in the form of mechanism to give the tool an impact blow to perform the cutting operation.
(1) Note. Compare cold chisels in this class, subclass 168 and see subclass 164.6 for ice picks and chippers provided with impact moving means.
SEE OR SEARCH CLASS
81, Tools,
463, and see the notes thereto for other impact tools.
173, Tool Driving or Impacting,
90+, for an impacting device adapted to drive a cutting tool.
