United States Patent | 3,814,021 |
McHenry | June 4, 1974 |
Spiral jump stunt apparatus, either in full scale version or toy version, in which a wheeled vehicle takes off from a ramp so constructed as to impart roll, pitch and lift impulses to the vehicle as it assumes free flight to cause the vehicle to spiral while jumping a gap between such take-off ramp and a receiving ramp on which the vehicle lands on its wheels.
Inventors: | McHenry; Raymond R. (Williamsville, NY) |
Assignee: | Calspan Corporation (Buffalo, NY) |
Appl. No.: | 306240 |
Filed: | November 13, 1972 |
Current U.S. Class: | 104/69 ; 446/444; 472/128 |
Current International Class: | A63G 31/00 (20060101) |
Field of Search: | 104/54,69,70,134 272/1B 46/43,216,243P |
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