Spring prime mover unit

Details Spring prime mover unit Spring prime mover unit

1975-08-28

1976-06-08

Shay, F. Barry

Motors: spring, weight, or animal powered

Animal powered

Belt tread

46 39, 46 40, 46104, 46100, 46202, 46221, 185 39, 185DIG1, A63H 1700

Patent

active

039614409

ABSTRACT:
A spring prime mover unit comprising a spring prime mover, a transmission gear and a plurality of connectors. Among the connectors, there are rotatable connectors and non-rotary connectors. The rotatable connectors are the ends of some shafts of the transmission gear and the non-rotary connectors are the attachments of a covering frame. The spring prime mover unit may be exchangeably equipped with auxiliary toy parts or toys which have not prime movers and form various movable toys to one prime mover unit. Therefore, children themselves can assemble various interesting movable toys and enjoy various motion of the toys.

REFERENCES:
patent: 798041 (1905-08-01), Kingsbury
patent: 3541725 (1970-11-01), Miura
patent: 3579901 (1971-05-01), Perhacs
patent: 3599363 (1971-08-01), Baginski
patent: 3728815 (1973-04-01), Tomiyama

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