A step of or apparatus for performing an operation of the class type by use of a tool driven to operate by a motor powered by compressed air.
SEE OR SEARCH THIS CLASS, SUBCLASS:
63, for a fluid motor adapted to drive a work-infeed means.
130, for a fluid motor combined with a tool of the class type or with a machine frame structure of the class type wherein the motor is adapted to move the tool along the tool-axis.
