| 摘要 |
Apparatus is disclosed for protecting the driver of a motor vehicle including a steering bracket for supporting the main steering shaft of the motor vehicle, the steering bracket including a first portion mounted on the body of the motor vehicle and a second portion mounted on the main steering shaft, the first and second portions being relatively displaceable with respect to each other, an energy absorbing tube which includes a number of grooves having different deformation resistances, a knife mounted adjacent to the energy absorbing tube so that upon relative displacement of the two portions of the steering bracket, the knife moves along one of the grooves, and a controller for setting the position of the knife with respect to one of the grooves whereby the deformation resistance of the energy absorbing tube can be adjusted by the controller. |
