Vehicle crash protection structures

Abstract

An insert for a crash rail of a vehicle supports surfaces of a cell of the crash rail and accommodates a bolt assembly traversing the cell when the insert is inserted into the cell of the crash rail. A crash protection assembly for a vehicle comprises: a crash rail; a torque box; and a subframe member of a cast material that comprises: a first front node and a second front node configured for releasable attachment of the subframe member to the crash rail using bolts, each of the first front node and the second front node comprising a respective slot for engaging with a head of the bolt, the slot being open toward a front of the vehicle; and a first rear node and a second rear node, each of the first rear node and the second rear node configured for attachment of the subframe member to the torque box.

Dependencies are inferred from the claim text.