Patent ID: 6435098
Filing Date: 2002-08-20
Classification: B61F,E01B

Abstract:
A suspension system for a railroad maintenance machine having a frame and a chassis, said suspension system being selectively operable during transportation of the machine, said system comprising;suspension means for providing suspensive support to the frame relative to the chassis and operable between a first position when said means are substantially inflated for transportation of the machine, and a second position when said means are substantually deflated for conducting railroad maintenance; said suspension means configured at said first position to obsorb rail beb-induced shocks and vibrations; said suspension means configured at said second, substantually-deflated, position to effect contact between the frame and the chassis, so that the entire weight of the frame and the other machine componets is resting directlt on the chassis to provide increased stability during railroad repair and maintenance; and control means connected to said suspension means for selectively placeing said suspension means in one of said first and second positions.