Land vehicles – Body elevation or tilt – Establishing riding or trim height
Reexamination Certificate
2011-06-14
2011-06-14
Dickson, Paul N (Department: 3616)
Land vehicles
Body elevation or tilt
Establishing riding or trim height
C280S005514, C280S124117, C267S064160, C267SDIG003
Reexamination Certificate
active
07959165
ABSTRACT:
A method of adjusting a suspension run height includes: pivotably mounting a leveling valve to a hanger bracket; attaching an indicator arm to a suspension component which displaces relative to the hanger bracket; and pivoting the leveling valve relative to the hanger bracket to thereby adjust the run height of the frame relative to the suspension component. A run height adjustment system includes: a leveling valve having a leveling arm pivotably mounted thereto at a first pivot, and an indicator arm being pivotably mounted to the leveling arm at a second pivot; an adjustment lever for pivoting the leveling valve about a third pivot; and the third pivot being positioned longitudinally between the first and second pivots. Another run height adjustment system includes: a leveling arm pivotably mounted to a leveling valve; an adjustment lever for pivoting the leveling valve; and the adjustment lever pivotably mounted to a hanger bracket.
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York Tecair 1 Air Suspension manual, Dec. 2004, 12 pages.
Picture of suspension system, Dallas Truck Show 2008, 1 page.
Dickson Paul N
Smith IP Services P.C.
Watson & Chalin Manufacturing, Inc.
Wilhelm Timothy D
LandOfFree
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