(under subclass 39) Apparatus having a rotatable tool turret which is advanced toward and retracted from the work-holding chuck by rack-and-pinion mechanism.
SEE OR SEARCH CLASS
408, Cutting by Use of Rotating Axially Moving Tool,
66, for drilling machines in which the work is made to move by means including a rack and pinion and subclasses 99+ and 135 for drilling machines in which the tool is made to move by means including a rack and pinion.