Abstract: A lifting carriage for use on an industrial truck is connected to a lifting frame which moves vertically along a lift mast. The lifting carriage includes a rotatable guide roller arrangement for adjusting the position of the lifting carriage. The guide roller arrangement includes a first pair of horizontally spaced guide rollers and a second pair of horizontally spaced guide rollers which are vertically spaced from the first pair of horizontally spaced guide rollers. The position of guide rollers of the first pair of guide rollers is not movable relative to the lifting carriage and the position of the guide rollers of the second pair of guide rollers is movable relative to the lifting carriage in a direction having a horizontal component.

Abstract: A forklift truck having a drive wheel and a plurality of support wheels and a mounting arrangement for independently adjusting the vertical position of each support wheel. The mounting arrangement includes a cylindrical pivot sleeve attached to the forklift truck and a cylindrical pivot member coaxial with the cylindrical pivot sleeve and longitudinally and rotatably adjustable in the cylindrical pivot sleeve. A support wheel is pivotally mounted on the lower end of the cylindrical pivot member and a pin is provided adjacent to the lower end of the cylindrical pivot member for locking the cylindrical pivot member in one of at least two vertical positions in the cylindrical pivot sleeve.