Amusement devices: toys – Rolling or tumbling – Including means for causing erratic movement
Patent
1982-12-10
1984-09-18
Hafer, Robert A.
Amusement devices: toys
Rolling or tumbling
Including means for causing erratic movement
446456, 446439, A63H 1700, A63H 3004
Patent
active
044715676
ABSTRACT:
A vehicle within a ball self-maneuvers to escape obstacles with which confronted, without need for special sensors or programmed response; the vehicle has four wheels, two in front and two behind, but the wheels are of two different tread widths, wider tread widths being one in front and, for example, one diagonally from it at the rear, and similarly narrower tread widths being supplied on the remaining two wheels; relation of the wheel spacing and ball inner diameter prevents more than three wheels from touching the ball at any one time; this, combined with tumbling causing the vehicle to operate upside down at times and initiated by stoppage of the ball at an obstacle, turns the vehicle as it oscillates within the ball and redirects the ball, freeing it from the obstacle.
REFERENCES:
patent: 2267254 (1941-12-01), Reilley
patent: 2372043 (1945-03-01), Aghnides
patent: 3312013 (1967-04-01), Graves
patent: 3474565 (1969-10-01), Hanmer
patent: 3500579 (1970-03-01), Bryer
patent: 3696557 (1972-10-01), Ruppel
patent: 3722134 (1973-03-01), Merrill et al.
patent: 4438588 (1984-03-01), Martin
Hafer Robert A.
Honaker William H.
McClellan, Sr. John F.
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