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US 12,709,311 B2Granted
Railroad car
AssigneeGunderson LLC
InventorsPeter L. Jones, Caglar Ozerdim, Xiaoyan Lu
Life of this patent
Estimating the term…
Abstract
A box railroad car with one or more door assemblies having doors that are more elastic than known boxcar doors, and that after being engaged in a potentially damaging manner, return or substantially return to their natural or original configurations.
Claims14
A railroad car comprising:
- a frame;
- and
- a first side wall supported by the frame, the first side wall including a door assembly including first and second doors, at least one of the first and second doors including:
- a door frame assembly formed from advanced high strength steel,
- a plurality of panels connected to the door frame assembly and formed from advanced high strength steel, each of the plurality of panels having a first shape configuration, and
- a locking assembly connected to the door frame assembly, the locking assembly formed from a high strength steel,
- wherein a force incurred by an interior of one or more of the plurality of panels causes the one or more of the plurality of panels to be changed to a second shape configuration different from the first shape configuration, and wherein the force is transferred to and absorbed by the door frame assembly such that the one or more of the plurality of panels is returned from the second shape configuration to the first shape configuration.
4 more elements
A railroad car comprising:
- a frame;
- and
- a first side wall supported by the frame, the first side wall including a door assembly including first and second doors, at least one of the first and second doors including:
- a door frame assembly formed from advanced high strength steel,
- a plurality of panels connected to the door frame assembly and formed from advanced high strength steel, each of the plurality of panels having a first shape configuration,
- first and second connection pipe assemblies including first and second lock rods formed from advanced high strength steel, and
- a locking assembly connected to the door frame assembly and formed from a high strength steel,
- wherein a force incurred by an interior of one or more of the plurality of panels causes the one or more of the plurality of panels to be changed to a second shape configuration different from the first shape configuration, and wherein the force is transferred to and absorbed by one or more of the door frame assembly and the first and second connection pipe assemblies such that the one or more of the plurality of panels is returned from the second shape configuration to the first shape configuration,
- wherein the advanced high strength steel has a yield strength of 80 ksi (550 MPa) or higher and a tensile strength of 90 ksi (620 MPa) or higher.
6 more elements
A railroad car comprising:
- a frame;
- and
- a first side wall supported by the frame, the first side wall including a door assembly including first and second doors, at least one of the first and second doors including:
- a door frame assembly formed from ultra high strength steel,
- a plurality of panels connected to the door frame assembly and formed from ultra high strength steel, each of the plurality of panels having a first shape configuration, and
- a locking assembly connected to the door frame assembly, the locking assembly formed from a high strength steel,
- wherein a force incurred by an interior of one or more of the plurality of panels causes the one or more of the plurality of panels to be changed to a second shape configuration different from the first shape configuration, and wherein the force is transferred to and absorbed by the door frame assembly such that the one or more of the plurality of panels is returned from the second shape configuration to the first shape configuration.
4 more elements
A railroad car comprising:
- a frame;
- and
- a first side wall supported by the frame, the first side wall including a door assembly including first and second doors, at least one of the first and second doors including:
- a door frame assembly formed from ultra high strength steel,
- a plurality of panels connected to the door frame assembly and formed from ultra high strength steel, each of the plurality of panels having a first shape configuration,
- first and second connection pipe assemblies including first and second lock rods formed from ultra high strength steel, and
- a locking assembly connected to the door frame assembly and formed from a high strength steel,
- wherein a force incurred by an interior of one or more of the plurality of panels causes the one or more of the plurality of panels to be changed to a second shape configuration different from the first shape configuration, and wherein the force is transferred to and absorbed by one or more of the door frame assembly and the first and second connection pipe assemblies such that the one or more of the plurality of panels is returned from the second shape configuration to the first shape configuration,
- wherein the ultra high strength steel has a yield strength of 140 ksi (965 MPa) or higher and a tensile strength of 170 ksi (1170 MPa) or higher.
6 more elements
Dependencies are inferred from the claim text.