Electrically operated tiltable vehicle steering mechanism

Details Electrically operated tiltable vehicle steering mechanism Electrically operated tiltable vehicle steering mechanism

1986-09-19

1988-04-26

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74 8915, 74411, 744248R, 192141, 192149, 280775, 464 46, B62D 118, F16H 2524, F16D 702

Patent

active

047396733

ABSTRACT:
An electrically operated tiltable vehicle steering mechanism includes an electric motor of a reversible type which is adapted to drive through a speed reduction mechanism a screw shaft of a screw-nut mechanism. The screw-nut mechanism includes a nut which is engaged with the screw shaft and connected with a tiltable bracket supporting a steering shaft. Stoppers are provided to limit the stroke of the movement of the nut. The stopper includes a stopper plate made of a metallic material of a low frictional coefficient and a rubber cushion. The stopper is located with the stopper plate faced to the nut for engagement therewith and the rubber cushion maintained in contact with the housing of the screw-nut mechanism. The mechanism is provided with a clutch means for allowing a slip between the motor and the screw nut mechanism when the excessive load is applied to a torque transmission mechanism.

REFERENCES:
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patent: 3203268 (1965-08-01), Manoni et al.
patent: 3252350 (1966-05-01), Zeigler
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patent: 4503504 (1985-03-01), Suzumura et al.
patent: 4612822 (1986-09-01), Nishikawa et al.
patent: 4633732 (1987-01-01), Nishikawa et al.
patent: 4669325 (1987-06-01), Nishikawa et al.

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