Amusement devices: toys – Rolling or tumbling – Endless track vehicle
Patent
1991-09-13
1992-08-04
Muir, David N.
Amusement devices: toys
Rolling or tumbling
Endless track vehicle
446456, 446470, 180 67, A63H 1714, A63H 3004, A63H 1726, B62D 1102
Patent
active
051354276
ABSTRACT:
A vehicle toy has front wheels and larger rear wheels provided on each of the left and right sides of a two-piece, articulately coupled chassis. Caterpillars are engaged over the front and rear wheels on each side. Twin electric motors separately drive the left and right side caterpillars through separate reduction gear transmissions and the rear wheels. The twin motors are radio controlled for separate and independent operation. Two rings of teeth on each rear wheel mesh with two rows of teeth on the inner side of each caterpillar to provide a cog drive while a higher central row of teeth on the inner side of each caterpillar is received in circumferential grooves in each of the front and rear wheels. The separate reduction gear transmissions are simultaneously manually shiftable between high and low gear ratios to provide the vehicle with the ability to run at a high speed comparable to that of other radio-controlled, wheeled vehicle toys without caterpillars and at a lower speed for longer battery life with increased torque.
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Bosch Warren E.
Suto Shohei
Tilbor Neil
Muir David N.
Panitch Schwarze
Tyco Industries, Inc.
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