Special effects drive mechanism for self-propelled toy vehicles

Details Special effects drive mechanism for self-propelled toy vehicles Special effects drive mechanism for self-propelled toy vehicles

1984-02-08

1986-04-15

Herrmann, Allan D.

Motors: spring, weight, or animal powered

Spring

With winding means

74354, 74810, 185DIG1, 446463, 446464, F03G 108, A63H 2904, A63H 3100

Patent

active

045821712

ABSTRACT:
A unique drive mechanism for a toy vehicle is disclosed which can be selectively enabled to cause the toy to come to an abrupt halt after a powered run, and which can cause the toy to realistically imitate a "spin out" of a full scale vehicle. The drive train includes a first gear directly rotated by a coiled spring, a second gear coupled in driving engagement with the vehicle's wheels, and a third gear shiftable between an engaged position coupling the first and second gears, and a cleared position wherein the second gear can rotate independently of the first gear. The third gear can be locked in its engaged position by a pivotal, gravity biased locking mechanism. The selective, locked engagement of the first, second and third gears causes the vehicle to come to an abrupt halt after the coil spring has fully unwound at the completion of a powered run.

REFERENCES:
patent: 2257064 (1941-09-01), Muller
patent: 2697305 (1954-12-01), Muller
patent: 3538640 (1970-11-01), Hayes et al.
patent: 3647025 (1972-03-01), Rico
patent: 3798831 (1974-03-01), Higashi
patent: 3995718 (1976-12-01), Nakamori
patent: 4059918 (1977-11-01), Matsushiro
patent: 4116084 (1978-09-01), Masuda
patent: 4278149 (1981-07-01), Gittler
patent: 4363185 (1982-12-01), Masubuchi
patent: 4475618 (1984-10-01), Kennedy et al.
patent: 4478313 (1984-10-01), Wakase

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