Spring powered prime mover

Details Spring powered prime mover Spring powered prime mover

1982-03-19

1984-08-07

Herrmann, Allan D.

Motors: spring, weight, or animal powered

Spring

With winding means

74461, 74DIG10, 185DIG1, 446464, F03G 108, A63H 1700, A63H 2904

Patent

active

044638310

ABSTRACT:
An improved spring wound prime mover capable of use with toys is provided. A plastic resin housing member comprises a pair of housing shells having complementary locking pawls and keeper members to permit a snap together assembly. The housing member further supports a spring member that can be selectively connected to a gear train assembly having a first and second gear ratio. The first gear ratio includes gears with a higher degree of mechanical strength than those engaged in the second gear ratio whereby a durable gear transmission is provided that can run smooth for driving the vehicle.

REFERENCES:
patent: 3081648 (1963-03-01), Duer
patent: 3918198 (1975-11-01), Cheng et al.
patent: 4192093 (1980-03-01), Hamano
patent: 4237175 (1980-12-01), Kobayashi
patent: 4283879 (1981-08-01), Tsui

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