Vehicles
AssigneeMassey-Ferguson Services N.V.
InventorsEdward Geoffrey Metcalfe, Walter Henry Ward
Life of this patent
Estimating the term…
Abstract
A load carrying vehicle is provided with a pair of wheel assemblies which are swingable relative to the frame to vary the width of the track. The wheel assemblies are supported on torsion bars which extend along the frame and may be rotated by a hydraulic cylinder. The torsion bars also provide springing for the vehicle.
Claims9
A vehicle comprising a frame having a forward portion and two side portions, at least one support assembly attached to each side portion of the frame, each support assembly including at least one generally horizontal fore and aft extending torque shaft rotatably mounted on the frame, a crank arm secured to one end of the torque shaft, a wheel assembly pivotally attached to the crank arm and adjusting means to hold the torque shaft in one of at least two positions to position the wheel assembly laterally relative to the frame.
Dependencies are inferred from the claim text.