Variable ratio rack and pinion steering gear

Details Variable ratio rack and pinion steering gear Variable ratio rack and pinion steering gear

1981-10-16

1984-10-09

Staab, Lawrence J.

Machine element or mechanism

Gearing

Directly cooperating gears

74498, F16H 104, B62D 120

Patent

active

044754132

ABSTRACT:
In accordance with the present invention, there is provided a novel and improved varibale ratio rack and pinion steering gear wherein the pinion has teeth of variable shape and size and the rack has teeth of variable shape and size. The teeth of the pinion are correctly meshable with a uniformly shaped rack profile and adapted to provide variable pitch circles. The teeth of the rack are generated by using the profile of the pinion teeth in a manner to provide a varying gear ratio even when the steering angle is larger than 180.degree..

REFERENCES:
patent: Re28740 (1976-03-01), Bishop
patent: 3064491 (1962-11-01), Bishop
patent: 3267763 (1966-08-01), Merritt
patent: 4133221 (1979-01-01), Clary

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