1980-02-14
1981-12-22
Mancene, Gene
46230, A63H 1700
Patent
active
043063756
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 small light bulb.
REFERENCES:
patent: 2883796 (1959-04-01), Reveka
patent: 3080827 (1963-03-01), Zion
patent: 3628284 (1971-12-01), Soulakis
patent: 3712359 (1973-01-01), Willams
patent: 3810515 (1974-05-01), Ingro
patent: 3835583 (1974-09-01), Manning
patent: 3849931 (1974-11-01), Gulley, Jr.
patent: 4113255 (1978-09-01), Goldfarb et al.
Everitt Delmar K.
Goldfarb Adolph E.
Goldfarb Adolph E.
Mancene Gene
Yu Mickey
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