Ultracompact miniature toy vehicle with four-wheel drive and unu

Details Ultracompact miniature toy vehicle with four-wheel drive and unu Ultracompact miniature toy vehicle with four-wheel drive and unu

1982-09-13

1985-01-08

Yu, Mickey

Amusement devices: toys

Rolling or tumbling

Including intrinsic motive power means for propulsion

A63H 1700

Patent

active

044920580

ABSTRACT:
A toy vehicle only slightly longer than a "penlight" battery, and with chassis less than twice the width of such a battery, is able (traction permitting) to climb any grade on which it will not tip over backward--grades up to about 40.degree.--and to negotiate a vertical step taller than its tire radius. The AA-battery-powered four-wheel-drive vehicle has a small electric motor with a double-ended shaft, and a symmetrical gearing system consisting of, at each end of the motor, a pinion fixed on the shaft, a spur gear driven by the pinion and driving a worm, and a worm gear keyed to a corresponding axle. The motor, pinions, spur gears and worms, and the upper portions of the worm gears, are aligned along one side wall inside the vehicle chassis, with the battery alongside them occupying the rest of the chassis. Traction and climbing characteristics are enhanced by twice-overscale tires, preferably of open foam, with highly pronounced treads. A light distributor in the vehicle simulates two headlights, using light from a single light bulb.

REFERENCES:
patent: 3080827 (1963-03-01), Zion
patent: 3501863 (1970-03-01), Matsushiro
patent: 3810515 (1974-05-01), Ingro
patent: 3849931 (1974-11-01), Gulley, Jr.
patent: 3977758 (1976-08-01), Mabuchi
patent: 4306375 (1981-12-01), Goldfarb et al.

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