Steering column assembly with energy absorption mechanism

Details Steering column assembly with energy absorption mechanism Steering column assembly with energy absorption mechanism

1989-07-25

1991-03-12

Bertsch, Richard A.

Land vehicles

Wheeled

Running gear

280780, 74492, B62D 118, B62D 119

Patent

active

049989995

ABSTRACT:
A steering column assembly includes a steering column having an upper steering column tube and a lower steering column tube which are telescopically connected at their lower and upper portions respectively, a stationary bracket fixed to a vehicle body and an energy absorption bracket fixed to the stationary bracket. The energy absorption bracket fixedly receives the upper steering column tube which extends therethrough. The energy absorption bracket gets plastically deformed in response to an impact load exceeding a predetermined value to allow the upper steering column tube to displace downward with respect to the lower steering column tube. The impact load is applied to the energy absorption bracket through the upper steering column tube in the direction along the axis of the steering column. The applied impact load is absorbed through the plastic deformation of the energy absorption bracket.

REFERENCES:
patent: 3470761 (1969-10-01), Okamoto et al.
patent: 3492888 (1970-02-01), Nishimura et al.
patent: 3944244 (1976-03-01), Albrecht
patent: 4000876 (1977-01-01), Usui et al.
patent: 4102217 (1978-07-01), Yamamoto et al.
patent: 4228695 (1980-10-01), Trevisson et al.
patent: 4616522 (1986-10-01), White et al.
patent: 4703669 (1987-11-01), Hyodo
patent: 4786076 (1988-11-01), Wierschem
patent: 4838576 (1989-06-01), Hamasaki et al.

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