Motor vehicle forward structure having a knee restraint with def

Details Motor vehicle forward structure having a knee restraint with def Motor vehicle forward structure having a knee restraint with def

1996-10-09

1998-05-19

English, Peter C.

Land vehicles

Wheeled

Attachment

180 90, 296 72, 188371, B60R 2102, B62D 2514

Patent

active

057527180

ABSTRACT:
A forward structure of a motor vehicle has a cross member which connects the two A-columns with one another and which is used for fixing a steering column and a knee restraint. A strut is fixed on the forward structure and extends from the cross member to a transmission tunnel extending in the longitudinal direction of the vehicle. At least two mutually overlapping strut sections of the strut have a connection area which, under a load during a crash and after overcoming a force threshold, can be elongated in a longitudinal direction while absorbing energy. A force limiting device is provided in the connection area of the strut sections in the force transmission path. Consequently, after the force threshold is exceeded, an energy reduction is achieved during a predetermined lengthening path of the connecting strut and at a constant force level so that a yielding of the impact-loaded knee restraint together with the cross member takes place with a force-limited resistance along a predetermined path distance.

REFERENCES:
patent: 3769851 (1973-11-01), Edme et al.
patent: 4325268 (1982-04-01), Benteler et al.
patent: 4709943 (1987-12-01), Yoshimura et al.
patent: 4723792 (1988-02-01), Sakamoto et al.
patent: 5238286 (1993-08-01), Tanaka et al.
Search Report from GB9620905.1, dated Nov. 25, 1996.

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