Vehicle steering mechanism

Details Vehicle steering mechanism Vehicle steering mechanism

1987-09-21

1988-11-22

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74 8915, 280775, B62D 118, F16H 2524

Patent

active

047856840

ABSTRACT:
A tiltable and telescopically extensible steering shaft assembly includes a lower main shaft journalled by a stationary bracket and an upper main shaft assembly including a first shaft portion telescopically connected with the lower main shaft through splines and a second shaft portion connected with the first shaft portion for pivotable movements with respect thereto through a universal joint. The stationary bracket carries a first screw shaft and one or more second screw shafts for rotation and engaged with first and second nuts, respectively. An upper bracket is provided on the second shaft portion of the upper shaft assembly and connected with the second nuts for pivotable movements about a transverse tilting axis passing through the pivot point of the universal joint. The first nut is carried by the upper bracket so that a rotation of the first screw shaft produces a tilting movement of the second shaft portion of the upper shaft assembly and rotations of the first and second screw shafts produce a telescopic movement of the upper shaft assembly.

REFERENCES:
patent: 3252350 (1966-05-01), Zeigler
patent: 4503504 (1985-03-01), Suzumura et al.
patent: 4602520 (1986-07-01), Nishikawa et al.
patent: 4633732 (1987-01-01), Nishikawa et al.
patent: 4669325 (1987-06-01), Nishikawa et al.

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