Land vehicles – Wheeled – Running gear
Patent
1996-05-13
1997-09-23
Dickson, Paul N.
Land vehicles
Wheeled
Running gear
74493, B62D 119
Patent
active
056696345
ABSTRACT:
An energy absorber for a motor vehicle steering column including a yoke pivotable about a lateral centerline of a body of the motor vehicle and an energy absorbing structure responsive to linear translation of a mast jacket of the steering column relative to the yoke in the direction of a longitudinal centerline of the mast jacket. The mast jacket extends through a bore in the yoke and is prevented by the bore from tipping relative to the yoke. The energy absorbing structure includes a convex anvil on the mast jacket and a J-shaped flat metal strap seated on the convex anvil with a short leg rigidly attached to the yoke and a long leg juxtaposed a wall of the mast jacket. An impact on the steering column initiates linear translation of the mast jacket in the direction of its longitudinal centerline relative to the yoke during which the convex anvil translates linearly relative to the stationary metal strap so that the metal strap is pulled over the convex anvil and plastically deformed to convert into work a fraction of the kinetic energy of the impact.
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Anspaugh Michael Patrick
Byers David Michael
Heinzman Marc William
Riefe Richard Kremer
Dickson Paul N.
General Motors Corporation
Schwartz Saul
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