Collapsible steering shaft apparatus and method of making same

Details Collapsible steering shaft apparatus and method of making same Collapsible steering shaft apparatus and method of making same

1991-11-04

1993-08-17

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Assembling or joining

29516, 74492, 74493, 280777, B21D 3900

Patent

active

052357341

ABSTRACT:
A collapsible steering shaft apparatus includes first and second telescopingly arranged steering shaft members. A plurality of longitudinally extending projections are formed in one of the steering shaft members and engage a plurality of longitudinally extending grooves formed in the other steering shaft member. The mating projections and grooves join the steering shaft members together for longitudinal sliding movement under external forces exerted on the steering shaft apparatus. The mating projections and grooves also prevent rotation of the two steering shaft members relative to each other and insure that the two steering shaft member rotate together as a unit without backlash upon rotation of the vehicle steering wheel. A method of forming the projections and grooves in the tubular steering shaft members is also disclosed.

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