Patent ID: 7810868
Filing Date: 2010-10-12
Classification: B60R

Abstract:
1. A crash box assembly for connecting a bumper of a motor vehicle to a longitudinal beam of the motor vehicle, the crash box assembly comprising: a main section configured to compress in a longitudinal direction of the motor vehicle; a spigot member extending from the main section in the longitudinal direction of the motor vehicle, the spigot member being configured for insertion into a cavity of the longitudinal beam, the spigot member including a sleeve adapted for attachment to the longitudinal beam, the sleeve having an internal cavity and the sleeve being configured to spread in a lateral direction of the motor vehicle when attached to the longitudinal beam, and the sleeve being configured to expand further in the lateral direction such that side walls of the sleeve and the longitudinal beam come into contact with each other in the event of a collision; and an at least one piece member configured for insertion into the internal cavity of the sleeve and adapted for attachment to the sleeve and to the longitudinal beam, the at least one piece member being further configured to expand in the lateral direction of the motor vehicle when the sleeve expands and to generally inhibit a deformation of the spigot member by a movement of the sidewalls of the sleeve toward one another in the event of a collision.