Motor vehicles – Special driving device – Portable track
Patent
1984-05-10
1985-12-24
Camby, John J.
Motor vehicles
Special driving device
Portable track
74391, 180 926, 180 2403, 180241, 180251, B62D 5500, B62D 300, F16H 3500
Patent
active
045600180
ABSTRACT:
A drive mechanism is disclosed for rotating a pair of tandem wheel assemblies journalled on a centrally pivoted tandem drive housing. A jointless elastomeric belt extends about the wheel assemblies which are driven by two chains entrained over respective sprockets contained within the tandem drive housing. A planetary gear set is effective to powerably drive both chains with a differential action to minimize the influence of the belt loading upon the chains. The planetary gear set and the sprockets are constructed to deliver a greater torque to the rear wheel assembly than the front wheel assembly through the chains.
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Camby John J.
Caterpillar Tractor Co.
Lanchantin, Jr. Charles E.
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