Spring drive

Details Spring drive Spring drive

1984-12-20

1986-11-18

Herrmann, Allan D.

Motors: spring, weight, or animal powered

Spring

With winding means

185DIG1, 446464, F03G 108, A63H 2904, A63H 3100

Patent

active

046230394

ABSTRACT:
Disclosed herein is a spring drive for use in a moving toy which comprises a windup pinion 5, a spring windup shaft 7 having a gear 6 meshing with the pinion 5, a large gear 8 provided around the spring windup shaft 7, a drive pinion 9 always meshing with the large gear 8, and a spur gear 20 integrally formed with the drive pinion 9, wherein a stepped portion 10 having a larger diameter than that of the gear 6 is formed between the gear 6 of the spring windup shaft and the large gear 8, and one end of the windup pinion 5 is supported by the stepped portion 10 and the spur gear 20 integrally formed with the drive pinion 9, thereby omitting an intermediate partition frame.

REFERENCES:
patent: 3919804 (1975-11-01), Nakata
patent: 4077156 (1978-03-01), Asano
patent: 4463831 (1984-08-01), Wakase
patent: 4478313 (1984-10-01), Wakase

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