Land vehicles – Wheeled – Running gear
Patent
1993-03-03
1995-01-03
Hill, Mitchell J.
Land vehicles
Wheeled
Running gear
280775, 188377, 74493, B62D 111
Patent
active
053780213
ABSTRACT:
A collapsible steering column apparatus comprises a steering column capable of receiving, a steering shaft having one end to which a steering wheel is fixed; and an energy absorbing member composed of a plastically deformable material and having its front end joined to a partial outer peripheral surface of the steering column and its rear end joined to a portion fixed to a vehicle body. The energy absorbing member is formed by punching out a sheet of metal plate to achieve a laterally undulating configuration with the extent of the undulations laterally of the energy absorbing member varying along its length. When applying an impulsive force to thrust the steering column forward due to a secondary shock in a collision, the energy absorbing member permits a forward displacement of the steering column while being plastically deformed in such a direction as to extend the undulations thereof.
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patent: 5005863 (1991-04-01), Drefahl
Saitoh Takahiro
Yamaguchi Mikio
Ellis Christoper P.
Hill Mitchell J.
NSK Ltd.
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