Parallel-aligned all-wheel steered vehicle II

Details Parallel-aligned all-wheel steered vehicle II Parallel-aligned all-wheel steered vehicle II

1995-07-17

1998-03-17

Johnson, Brian L.

Motor vehicles

Steering gear

Each wheel steerable

180 8913, 280 99, 280 911, B62D 714

Patent

active

057276447

ABSTRACT:
An all-wheel steered vehicle in which all wheels are always parallel and have an equal role in steering the vehicle. It consists of a plurality of wheel assemblies capable of wheel rotation about the wheel's axis. The shaft of each wheel assembly (14) passes through bearings (16) such that the shaft is fastened to the chassis (15) but rotatable in its vertical axis. These wheel assemblies are attached to a common steering linkage (18) by lever arms(17). The steering linkage maintains the wheels in parallel, but allow the wheel assemblies to rotate simultaneously about their vertical axis. The vehicle body or seat (23) is rotatable about the center of the chassis. The vehicle body or seat is in linkage with the wheel assemblies such that a rotation of vehicle body or seat relative to the chassis causes a simultaneous and equal rotation of all the wheel assemblies about their vertical axis. That is, both the vehicle body or seat and all of the wheels are maintained parallel to one another. The steering mechanism is such that initiating a turn with the steering control (24), rotates the vehicle body or seat with respect to the chassis and simultaneously rotates all the wheels on their vertical axes, changing the direction of the vehicle. All wheels have an equal role in steering the vehicle.

REFERENCES:
patent: 4664213 (1987-05-01), Lin
patent: 5139279 (1992-08-01), Roberts

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