Vehicle crash energy absorbing mechanism

Details Vehicle crash energy absorbing mechanism Vehicle crash energy absorbing mechanism

B - Operations, Transporting

62

D

B62D 1/11 (2006.01) B62D 1/19 (2006.01) F16F 7/12 (2006.01)

Patent

CA 2100104

- 7 - ABSTRACT VEHICLE CRASH ENERGY ABSORBING MECHANISM A vehicle crash energy absorbing mechanism incorporated in a steering column structure mountable to a break away mounting, the structure including an inner steering shaft which is drivably coupled by a splined arrangement to an outer shaft. The inner shaft has an energy absorption member in the form of a tube which surrounds a pin which is mounted diametrically through the inner shaft. A crash induced force on the column structure causes the outer shaft to be forced relatively towards the tube, thereby inducing an interaction between the pin and tube, the latter being deformed thereby to achieve the requisite energy absorption. In an alternative embodiment, the splined outer shaft itself acts as the absorption energy member, the pin deforming the splined arrangement. (Fig. 2)

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