Two-speed action spring drive

Details Two-speed action spring drive Two-speed action spring drive

1983-12-07

1986-02-04

Cohan, Alan

Amusement devices: toys

Rolling or tumbling

Including intrinsic motive power means for propulsion

185 39, 185DIG1, 743375, A63H 3108, F16H 506, F03G 100

Patent

active

045683085

ABSTRACT:
A two-speed action spring drive which automatically changes the gears from very slow to fast moving state is disclosed. In this device the gear meshing with a driving gear group and the gear meshing with a reducing gear group are linked together by a detachable means which can idle these gears when an excessive force acts thereon.

REFERENCES:
patent: 3216529 (1965-11-01), Lohr
patent: 3548672 (1970-12-01), Conrad
patent: 3664207 (1972-05-01), White
patent: 3886802 (1975-06-01), Mason
patent: 4290227 (1981-09-01), Shimamura
patent: 4463831 (1984-08-01), Wakase
patent: 4496330 (1985-01-01), Terui

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