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US 5,138,954 AGranted
Freight railcar truck and bolster for outboard support of car body with side bearings located entirely outside of the sideframes for receiving the entire vehicle weight
AssigneeAMSTED Industries Incorporated
InventorHarry W. Mulcahy
Life of this patent
Estimating the term…
Abstract
A three piece freight railcar truck with a truck bolster having distal ends that extend outward of the truck side frames to beneath the sides of a rail car body and the bolster ends have seats for self leveling bearings which directly support the car body at the side sills.
Claims18
An improved rail car truck bolster comprising:
- a box like body having upper and lower walls and sidewalls therebetween;
- a pin receptor centrally located in said upper wall;
- gibs on said sidewalls spaced from said pin receptor, said gibs adapted to position said truck bolster in respective sideframes of a truck;
- distal ends on said bolster extending beyond said gibs such that the entire weight of a railcar is supported entirely outside said side frames at about the side sills thereof.
1 more element
An improved rail car truck comprising a floating transverse structural truck bolster carried on springs in side frames, said bolster housing side bearings, the improvement comprising:
- structural truck bolster distal ends extending outwardly of said side frames proximate to the car body side sills for constantly carrying the entire weight of a car body on the side bearing, said side bearing located entirely outside said side frames such that the entire weight of said car is transferred from side sills directly into said side bearings, then onto said truck bolster distal ends, and then onto said springs in said side frames.
Dependencies are inferred from the claim text.