Force and deceleration delimiting devices and methods for operating the same

摘要

Force and deceleration delimiting methods for operating the same in a vehicle generally include an open celled material expandable from a non-expanded to an expanded state, wherein the material is sandwiched between first and second end cap members; an optional support surface cooperatively positioned with the material to cover a surface of the material in the expanded and non-expanded states; an optional shield cooperatively positioned with the material to cover a surface of the material in the expanded and non-expanded states; and an activation mechanism adapted to regulate selective expansion of the material from the non-expanded to the expanded state in response to a triggering event, wherein the support surface and/or shield have a compact shape when the material is in the non-expanded state and an expanded state when the material is in the expanded state.