Self-propelling toy

Claim 1

A WALKING GYROSCOPIC TOY ADAPTED TO ROTATE IN A VERTICAL PLANE AND TO WALK ALONG A HORIZONTAL SURFACE WITH SPASMODIC MOTION, SAID TOY COMPRISING AN ANNULAR OUTER WHEEL HAVING A ROUNDED OUTER PERIPHERAL SURFACE, A FRAME MOUNTED ON SAID OUTER WHEEL, A ROTOR SUPPORTED ON SAID FRAME AND ADAPTED TO SPIN CONCENTRICALLY WITHIN SAID OUTER WHEEL, A FRICTION CLUTCH MOUNTED ON SAID OUTER WHEEL ENGAGEABLE WITH THE OUTER PERIPHERY OF SAID ROTOR TO COUPLE ENERGY OF ROTATION FROM SAID ROTOR, WHEN SPINNING, TO SAID OUTER WHEEL, SAID CLUTCH HAVING EXTENSION MEANS DISPOSED OUTWARDLY RADIALLY BEYOND THE OUTER PERIPHERY OF SAID OUTER WHEEL, A BIASING SPRING URGING SAID CLUTCH TO A DISENGAGED POSITION AND URGING SAID EXTENSION MEANS OUTWARDLY, SAID BIASING SPRING HAVING A FORCE LESS THAN THAT PRODUCED BY THE WEIGHT OF THE TOY SO THAT THE NET BIASING FORCE IS OVERCOME AND SAID CLUTCH IS ENGAGED WHEN THE WEIGHT OF SAID TOY IS TRANSMITTED THROUGH SAID CLUTCH EXTENSION MEANS TO SAID CLUTCH, THUS CAUSING A MOMENTARY IMPULSE OF ENERGY OF ROTATION TO BE IMPARTED FROM SAID ROTOR TO SAID OUTER WHEEL EACH TIME THE WEIGHT OF SAID TOY IS TRANSMITTED TO SAID CLUTCH AS SAID TOY ROLLS ALONG A HORIZONTAL SURFACE, WHEREBY THE TOY WALKS WITH A SPASMODIC MOTION.