Land vehicles – Wheeled – Articulated vehicle
Reexamination Certificate
2007-05-22
2007-05-22
Ellis, Christopher P. (Department: 3611)
Land vehicles
Wheeled
Articulated vehicle
C280S400000, C280S407100, C280S419000, C280S423100, C280S442000
Reexamination Certificate
active
10433061
ABSTRACT:
The invention provides a trailer for use as part of an articulated vehicle (15) with improved cornering characteristics. The trailer includes: a main chassis (18) connectable to a wheeled section (16) of the vehicle immediately ahead of the trailer so that the trailer is rotatable relative to the wheeled section (16) about a substantially upright first axis (19) in the main chassis (18); a sub-chassis (20) having ground-engaging wheels (21) mounted thereto, the sub-chassis (20) being connected to the main chassis (18) and pivotable about a substantially upright second axis (23) in the main chassis (18); and stop means arranged for limiting rotation of the sub-chassis (20) about the second axis (23) and away from a position of a longitudinal alignment with the main chassis (18). The stop means is movable responsively to relative rotation of the wheeled section (16) and the main chassis (18) about the first axis (19). In a preferred arrangement, some wheels on the sub-chassis (20) are steerable responsively to rotation of the sub-chassis (20) about the second axis (23).
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Ellis Christopher P.
Scharich Marc A.
Trackaxle Pty Ltd.
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