Vehicle leveling system

Details Vehicle leveling system Vehicle leveling system

1978-02-01

1979-08-28

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Multiple lifters

B66F 724

Patent

active

041658612

ABSTRACT:
A vehicle leveling system utilizing a plurality of support assemblies mounted on the bottom of the vehicle for rotative movement between an upper storage position and a lower operating position. Each support assembly includes two hydraulically extendable plungers and a control mechanism which automatically operates the plungers in sequence, the first plunger extending to rotate the support assembly into a vertical operating position and the second plunger then extending into engagement with the ground. Retraction of the plungers and return of the support assembly to its upper storage position are accomplished by spring means. The system also includes structure which will respond automatically to excessive internal pressure to permit rotation of the support assembly without damage either to the assembly or vehicle should the vehicle be moved inadvertently while the second plunger is in engagement with the ground.

REFERENCES:
patent: 2442881 (1948-06-01), Soskin
patent: 2546203 (1951-03-01), Tucker

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