Sprayer with hydraulically adjustable wheel spacing

Details Sprayer with hydraulically adjustable wheel spacing Sprayer with hydraulically adjustable wheel spacing

1990-10-30

1992-01-28

Marmor, Charles A.

Motor vehicles

Special wheel base

With means for changing number of supporting wheels, or for...

180340, B62D 6100, B60K 1700

Patent

active

050836307

ABSTRACT:
A self-propelled chemical applicator with adjustable rear wheel tread includes two rear fore-and-aft spaced cross tubes which are cantilevered from the main frame. A pair of roller mechanisms are supported between the tubes on opposite sides of the centerline of the vehicle. Each mechanism includes a roller frame supporting eight rollers, two transversely spaced on each of the upper and lower sides of each tube. The roller frames, contained between and rollable along the tubes, are connected to the upper ends of corresponding drop assemblies which mount hydraulically driven wheels. A transversely extending hydraulic cylinder is connected between each roller frame and the main frame to roll the drop assembly in or out to change wheel spacing. Each drop assembly is releasibly clamped in position by a simple mechanism which includes a fore-and-aft extending bolt which pulls the spaced cross tubes towards each other to clamp the roller frame tightly between the tubes.

REFERENCES:
patent: 3000673 (1961-09-01), Lansing
patent: 3156316 (1964-11-01), Peterson
patent: 3820615 (1974-06-01), Bobard
patent: 3964565 (1976-06-01), Cagle et al.
patent: 4619340 (1986-10-01), Elmer et al.
John Deere 6000 Hi-Cycle.RTM. Operator's Manual (OM-N159517), p. 13, Nov. 1979.

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