Tank Car Underframe
AssigneeTrinity Tank Car, Inc.
InventorAubra D. McKisic
Life of this patent
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Abstract
According to particular embodiments, a railway tank car comprises a tank for transporting a commodity. The tank comprises a tank shell and at least one tank head. A front sill pad is welded to the underside of the tank shell. The front sill pad is located at a first end of the tank shell proximate the tank head and extending inboard longitudinally along the underside of the tank shell. A draft sill apparatus is coupled to the underside of the tank shell at least partially by the front sill pad. A body bolster extends transversely from and perpendicular to the draft sill apparatus for supporting the tank. The body bolster is coupled to the draft sill. The draft sill apparatus is welded to the front sill pad inboard of the body bolster and the inboard weld does not extend outboard of the body bolster.
Claims14
A railway tank car comprising:
- a tank for transporting a commodity, the tank comprising a tank shell and at least one tank head;
- a front sill pad welded to the underside of the tank shell, the front sill pad located at a first end of the tank shell proximate the tank head and extending inboard longitudinally along the underside of the tank shell;
- a draft sill apparatus coupled to the underside of the tank shell at least partially by the front sill pad;
- a body bolster extending transversely from and perpendicular to the draft sill apparatus for supporting the tank, the body bolster coupled to the draft sill apparatus;
- and
- wherein the draft sill apparatus is welded to the front sill pad inboard of the body bolster and the inboard weld does not extend outboard of the body bolster.
A tank car underframe, the underframe comprising:
- a draft sill apparatus;
- a body bolster coupled to the draft sill apparatus, the body bolster extending transversely from and perpendicular to the draft sill apparatus for supporting a tank;
- a front sill pad coupled to the draft sill apparatus, the front sill pad positioned to extend longitudinally along an underside of the tank;
- and
- wherein the draft sill apparatus is welded to the front sill pad inboard of the body bolster and the inboard weld does not extend outboard of the body bolster.
Dependencies are inferred from the claim text.