.~ Including intrinsic motive power means for propulsion {6}
461
.~.~ Having lock for rotary motor or transmission
DEFINITION
Classification: 446/461
Having lock for rotary motor or transmission:
(under subclass 457) Device wherein the energy-transducing or storing means or, power-transmitting means therefrom, includes an element which turns about an axis, wherein means are provided to selectively interfere with the rotation of said element to prevent the energy storing or transducing means from propelling the rolling or tumbling means.