Vehicle leveling apparatus

Details Vehicle leveling apparatus Vehicle leveling apparatus

2011-06-21

2011-06-21

Wilson, Lee D (Department: 3727)

Implements or apparatus for applying pushing or pulling force

Vehicle attached jack

Hydraulic or pneumatic

C254S418000, C254S420000

Reexamination Certificate

active

07963506

ABSTRACT:
The present invention may be used for leveling a land vehicle. A frame lifting assembly may have a frame cross-member adjustable in length for attachment at each end to each side of a vehicle frame. A folding jack with a force element and a folding leg may be attached to the frame cross-member. The folding leg may have a leg member with a foot attached at a first end to a force rod of the force element. A support arm may be rotatably attached intermediate the first end and the second end of the leg member and may be rotatably attached adjacent a second end of the frame cross-member. A positioning rod may be rotatably attached at the first end of the leg member and rotatably attached to the frame member. The force rod may be movably attached to a fixed element of the force element and the fixed element may be attached to the frame cross-member. A power source may be operable to move the force rod relative to the fixed element to move the leg member between a generally horizontal position and a generally vertical position.

REFERENCES:
patent: 3182957 (1965-05-01), Dalton
patent: 3387821 (1968-06-01), Saddler
patent: 4103869 (1978-08-01), Mesny et al.
patent: 4245855 (1981-01-01), Larson
patent: 5398969 (1995-03-01), Wimmer
patent: 6237953 (2001-05-01), Farmer
patent: 6311954 (2001-11-01), Breslin et al.
patent: 6827335 (2004-12-01), Medberry
patent: 7004457 (2006-02-01), Jackson et al.
patent: 7261304 (2007-08-01), Trudeau et al.

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