Land vehicles – Wheeled – Occupant propelled type
Patent
1988-10-18
1990-02-27
Hill, Mitchell J.
Land vehicles
Wheeled
Occupant propelled type
2801122, 280269, 280772, B62D 902, B62K 508
Patent
active
049038575
ABSTRACT:
A three wheeled vehicle, with two steerable front wheels and a driven rear wheel which may be either rider- or motor-powdered, includes steering/coupling linkage disposed adjacent to the lower end of a steering column having a handlebar attached to its upper end. The steering/coupling linkage pivotally couples a forward frame to a rear frame which supports the rider and includes the rear wheel and its means for propulsion. The steering/coupling linakge includes a pivot shaft, a bearing housing and a mechanical connection for leaning the rear frame in the direction of a turn so as to compensate for centrifugal force encountered in turning the vehicle. The mechanical connection causes the rear frame to lean in a controlled relationship to the amount of rotation of the steering shaft, within rotational limits, to emulate the leaning action of a conventional bicycle when making a turn.
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