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US 2024/0367698 A1Published application
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, and
- a locking assembly connected to the door frame assembly, the locking assembly formed from a high strength steel.
3 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,
- first and second connection pipe assemblies including first and second pipes formed from advanced high strength steel, and
- a locking assembly connected to the door frame assembly,
- 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.
5 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, and
- a locking assembly connected to the door frame assembly, the locking assembly formed from a high strength steel.
3 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,
- first and second connection pipe assemblies including first and second pipes formed from ultra high strength steel, and
- a locking assembly connected to the door frame assembly,
- 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.
5 more elements
Dependencies are inferred from the claim text.