Land vehicles – Wheeled – Extensible
Reexamination Certificate
2011-05-31
2011-05-31
Dickson, Paul N (Department: 3616)
Land vehicles
Wheeled
Extensible
C280S682000, C280S686000, C280S124170
Reexamination Certificate
active
07950678
ABSTRACT:
A trailer leveling system for adjusting a height of a frame of a trailer above a ground surface is disclosed. The trailer leveling system comprises at least one trailer leveling apparatus configured to adjust a distance between an axle of the trailer and the frame of the trailer. The at least one trailer leveling apparatus acts on a suspension of the trailer. The at least one trailer leveling apparatus moving the suspension between a traveling position and a leveling position, with the traveling position being characterized by the suspension being capable of supporting the frame during movement of the trailer along a road and the leveling position being characterized by a portion of the suspension being moved away from the frame with respect to the travel position.
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Dickson Paul N
Freedman Laura
Proehl Jeffrey A.
Woods Fuller Shultz & Smith PC
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