Steerable single wheel unit for trailers
AssigneeSteerable Wheel Systems Pty. Ltd.
InventorGarth Davey
Life of this patent
Estimating the term…
Abstract
A single wheel unit adapted to be mounted on a vehicle body (11) comprising: a wheel frame supporting a suspension mechanism (15) and a wheel assembly mounted on the suspension mechanism (15), and steering means mounted between the wheel frame and vehicle body (11) for pivoting the wheel fame relative to the vehicle body (11) so as to steer a vehicle, wherein the steering means includes two steering components (30) pivotally attached (32, 33) one at each of the leading and trailing portions of the wheel frame and capable of being actuated to independently displace the leading and trailing portions laterally of the vehicle body (11).
Claims29
1-25. (canceled)
A single wheel unit adapted to be mounted on a vehicle body comprising:
- a wheel frame supporting a suspension mechanism and a wheel assembly mounted on the suspension mechanism;
- wherein the suspension mechanism comprises a “Z” link comprising three arms pivotally joined end to end, the suspension mechanism being pivotally anchored to the wheel frame, and dampening means for dampening movement of the suspension mechanism.
A bearing for a suspension joint for locating between two pivoting components, the bearing comprising a cylindrical sleeve assembly defining a central axis and having open ends with curved shoulders, the sleeve assembly adapted to be located in a bore of a first pivoting component wherein a shaft is journaled through the sleeve assembly and extends through apertured flanges in the second pivoting component which flanges are located on either side of the bore and sleeve assembly, wherein the flange apertures contain curved faces to correspondingly receive the curved shoulders of the sleeve bearing.
Dependencies are inferred from the claim text.