Subject matter under cross-reference subcollection 19 wherein the transmission of motion from the motor to the arm* is accomplished by a system which includes first and second relatively rotatable bodies provided with teeth or other interengaging drive surfaces and wherein motion is imparted from the first to the second body by rolling contact. [figure]
SEE OR SEARCH CLASS
74, Machine Element or Mechanism,
640+, for gearing, per se.
475, Planetary Gear Transmission Systems or Components, for planetary gear transmissions.
