Land vehicles – Wheeled – Running gear
Patent
1995-12-11
1997-11-25
Dickson, Paul N.
Land vehicles
Wheeled
Running gear
280777, 74492, B62D 116, B62D 119
Patent
active
056903634
ABSTRACT:
An energy absorbing mounting bracket is made of a flat rolled steel and includes a frame having a window through which a mast jacket of a steering column protrudes defined by a plurality of flat walls which plastically deform in twist instead of in hinge-like bending. The frame includes a horizontal flat wall above the mast jacket and a pair of generally diagonal flat walls converging toward an apex below the mast jacket where the mast jacket is rigidly connected to the mounting bracket. A mounting flange in the middle of the horizontal flat wall defines a platform whereat the frame is rigidly attached to a body structure of the motor vehicle in cantilever fashion with the frame extending laterally on both sides of the mounting flange so that each of the flat walls of the frame reacts in bending and in twist against a force on the mast jacket in a collapse direction. A reinforcing flange around the periphery of the frame reinforces each of the flat walls against hinge-like bending so that each of the flat walls permanently deforms in twist and not in hinge-like bending to absorb energy.
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Dickson Paul N.
General Motors Corporation
Schwartz Saul
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