.~ Including means for selectively varying motor speed or rotary motor direction
DEFINITION
Classification: 417/326
(under subclass 321) Apparatus in which there is provided motor control means which is operable at the will of a human operator, said control means being effective upon operation thereof to either (1) change the rate of movement of a motor working member or (2) change the direction of working member rotation in a motor of the type having a rotating working member.
(1) Note. The motor control means of this definition may be a reversible flow motive fluid generating pump, flow reversal of said motive fluid generating pump causing reversal or rotation of a rotary motor.