Cushion Underframe : A term used to designate the framework of a railway car which is designed to prevent shocks and impact stresses from damaging the car structure or its lading
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}