Vehicle
AssigneeNtn Corporation
InventorsHirokazu Ohba, Taisuke Igi
Life of this patent
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Abstract
The present invention provides a vehicle including wheels, and a steering module configured to steer the wheels in one of two mutually opposite right and left directions, or in one and the other of the two mutually opposite right and left directions, respectively. In the vehicle, a caster angle is set within the range of ±3 degrees relative to a kingpin angle. Though each wheel usually forms a camber angle when steered, by setting in the wheel the caster angle beforehand within the above range, the wheel does not or is less likely to form the camber angle because the camber angle and the caster angle cancel each other. Therefore, it is possible to prevent the steering angles of the wheels from being restricted, and to prevent the deterioration of steering operability.
Claims4
A vehicle comprising:
- wheels;
- and
- a steering module configured to steer the wheels in one of two mutually opposite right and left directions, or in one and another of the two mutually opposite right and left directions, respectively,
- wherein a caster angle is set within a range of ±3 degrees relative to a kingpin angle, and the kingpin angle is set within a range of 4 to 10 degrees, and
- wherein the steering module is capable of steering the wheels by 90 degrees relative to a direction in which the vehicle travels in a straight line.
Dependencies are inferred from the claim text.