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US 10,308,201 B2Granted
Vehicle body structure
AssigneeGM Global Technology Operations LLC
InventorsBradley A. Newcomb, Hamid G. Kia, John C. Johnson, Robert N. Saje
Life of this patent
Estimating the term…
Abstract
A vehicle chassis rail includes a tubular structure and an insert, both co-extending along a centerline. The insert is disposed, at least in-part, in the tubular structure, and includes a first wall, a second wall opposed to the first wall, and a corrugated mid-wall spanning laterally between, and attached to, the first and second walls.
Claims19
A vehicle chassis rail comprising:
- a tubular structure extending along a centerline;
- and
- an insert disposed at least in-part in the tubular structure, the insert including a first wall, a second wall opposed to the first wall, and a corrugated mid-wall spanning laterally between and attached to the first and second walls, wherein the insert includes an energy absorbing tail portion attached to the first wall, the second wall, and the mid-wall and projecting axially outward from an end portion of the tubular structure for engagement to a bumper.
An energy absorbing insert adapted to extend between and attach to a tubular structure of a vehicle chassis rail and a bumper, the energy absorbing insert comprising:
- an accordion-like portion disposed inside the vehicle chassis rail and extending along a centerline;
- and
- a tail portion attached to the accordion-like portion and axially projecting outward from the vehicle chassis rail for attachment to the bumper.
Dependencies are inferred from the claim text.