Patent ID: 8578834

Claim:
A vehicle including a structural enclosure including a hull floor and a roof and enclosing a compartment for crew, cargo, or crew and cargo, comprising: a structural vent channel attached to the structural enclosure and extending between the hull floor and the roof, the structural vent channel extending vertically through the compartment from an open bottom end at the hull floor to an open top end at the roof, to vent energy and effluent from a blast originating beneath the vehicle on a vertical path through the structural vent channel, the structural vent channel comprising one or more walls structurally attached to the hull floor at the open bottom end; and an object mounted to the vehicle in a location that blocks at least a portion of the vertical path through the structural vent channel, the object mounted to the vehicle via one or more mounting fixtures that provide a load path between the structural enclosure of the vehicle and the object, each mounting fixture including a weakened portion in the load path that is capable of carrying the object under normal loading conditions and that breaks in the event of an explosive blast from a location beneath the vehicle, each mounting fixture including fasteners connected to the vehicle and to the object, one or more of the fasteners forming the weakened portion in the load path.