Railroad trailer chassis
AssigneeHarsco Technologies LLC
InventorsRyan Meyer, Robert R. Schrunk, III
Life of this patent
Estimating the term…
Abstract
A railroad trailer chassis comprising two or more road axles, two or more rail axles operable to be moved between first and second positions, and a work unit. The railroad trailer chassis is operable to be driven or towed in a road mode when the two or rail axles are in their respective first positions. The railroad trailer chassis is operable to be driven or towed in a rail mode when the two or more rail axles are in their respective second positions. The work unit is operable to perform one or more railroad maintenance or operation functions when driven in the rail mode.
Claims24
A railroad trailer chassis, comprising:
- two or more road axles;
- two or more rail axles operable to be moved between first and second positions;
- and
- a work unit;
- a foldable trailer towing hitch operable to, in a horizontal orientation, couple the railroad trailer chassis to a tow vehicle;
- wherein the railroad trailer chassis is operable to be driven or towed in a road mode when the two or more rail axles are in their respective first positions;
- wherein the railroad trailer chassis is operable to be driven or towed in a rail mode when the two or more rail axles are in their respective second positions;
- wherein the work unit is operable to perform one or more railroad maintenance or operation functions when driven in the rail mode;
- and
- wherein the two or more rail axles are coupled to the work unit.
A railroad trailer chassis, comprising:
- two or more road axles coupled to one or more friction drives;
- two or more rail axles coupled to the one or more friction drives, the two or more rail axles operable to be pivoted between first and second positions;
- and
- a work unit;
- a foldable trailer towing hitch operable to, in a horizontal orientation, couple the railroad trailer chassis to a tow vehicle;
- wherein the railroad trailer chassis is operable to be driven or towed in a road mode when the two or more rail axles are in their respective first positions;
- wherein the railroad trailer chassis is operable to be driven or towed in a rail mode when the two or more rail axles are in their respective second positions;
- wherein the work unit is operable to perform one or more railroad maintenance or operation functions when driven in the rail mode;
- and
- wherein the two or more rail axles are coupled to the work unit.
Dependencies are inferred from the claim text.