Self-powered miniature toy vehicle with treads and with unusual

Details Self-powered miniature toy vehicle with treads and with unusual Self-powered miniature toy vehicle with treads and with unusual

1983-02-04

1985-06-11

Yu, Mickey

Amusement devices: toys

Rolling or tumbling

Endless track vehicle

446463, A63H 1714

Patent

active

045226067

ABSTRACT:
This toy operates on continuous-belt treads that cooperate with other "climbing toy" features to provide extremely exaggerated ability to negotiate steep and/or rough surfaces. The car selectably operates: (1) as a conventional electrically powered toy, at at least one speed, on a flat surface; (2) as an electrically powered "climbing toy" with particularly advantageous weight distribution, at at least one reduced speed with greater torque, on a steep and/or irregular surface; or (3) as an unpowered free-rolling toy vehicle. Major weight components, particularly the battery and motor, are in a symmetrical, compact, balanced and relatively low arrangement--at about the same height as the tread drivers. Together with a speed-reduction mechanism they fill the toy's housing. The speed-reduction mechanism preferably has front-and-rear duplicate gear trains: at each end, two worms that are both powered from the motor shaft but through different speed-reduction gears, and an axle-driving worm gear shiftable between the worms.

REFERENCES:
patent: 1754307 (1930-04-01), Conboy
patent: 3540152 (1970-11-01), Beny et al.
patent: 3553886 (1971-01-01), Hamilton
patent: 3735527 (1973-05-01), Lombardo
patent: 3810515 (1974-05-01), Ingro
patent: 3849931 (1974-11-01), Gulley, Jr.
patent: 4152866 (1979-05-01), Suda

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