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US 4,064,809 AGranted
Articulated railway car truck
AssigneeAMSTED Industries Incorporated
InventorHarry William Mulcahy
Life of this patent
Estimating the term…
Abstract
There is provided an articulated four wheel truck for a railway freight car and the like, having independently rotatable wheels mounted at opposite ends of longitudinally spaced apart axle bolsters. A span bolster connects and mounts the axle bolsters for yawing movement about a vertical axis relative to the span bolster.
Claims5
A four wheel truck for a railway freight car and the like comprising
- a pair of longitudinally spaced apart axle bolsters;
- independently rotatable wheels mounted at opposite ends of each axle bolster;
- a span bolster connecting each of said axle bolsters;
- and
- mounting means mounting said axle bolsters for independent movement relative to each other and to said span bolster for yawing movement about respective vertical axes located approximately on the respective axis of rotation of said wheels at each end of said axle bolster and substantially midway of said wheels at each end of said axle bolster.
2 more elements
Dependencies are inferred from the claim text.