Connection between steering column and motor vehicle body

Details Connection between steering column and motor vehicle body Connection between steering column and motor vehicle body

1998-04-01

1999-09-21

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Hand operated

188371, 280777, 280779, 411182, B62D 119, F16B 3704

Patent

active

059539615

ABSTRACT:
A connection between a collapsible mast jacket of an energy absorbing steering column and a body of a motor vehicle including a mounting bracket on the mast jacket having an attachment flange perpendicular to a longitudinal centerline of the steering column, an aperture in the attachment flange, a plastic bushing captured in the aperture, and a fastener operative to rigidly clamp the plastic bushing to the body of the motor vehicle. The plastic bushing fractures in response to an impact on the steering column to release the mounting bracket. In a preferred embodiment, retention between the attachment flange and the plastic bushing is effected by an edge of the aperture in the attachment flange seated in an annular outside groove in the plastic bushing. A plurality of linear slots in the plastic bushing divide the plastic bushing into a plurality of cantilever spring segments which flex inward when the bushing is pushed into the aperture in the attachment flange and which snap out when the annular slot in the bushing registers with the peripheral edge of the aperture in the attachment flange.

REFERENCES:
patent: 1611302 (1926-12-01), Bourgon
patent: 3329040 (1967-07-01), Stein
patent: 3392599 (1968-07-01), White
patent: 3394613 (1968-07-01), Curtindale
patent: 3476345 (1969-11-01), Ristau
patent: 3747427 (1973-07-01), Milton et al.
patent: 3795038 (1974-03-01), Brezinski et al.
patent: 3868864 (1975-03-01), Durkee et al.
patent: 4000876 (1977-01-01), Usui et al.
patent: 5026092 (1991-06-01), Abramczyk

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