Variable ratio rack and pinion steering gear

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

1981-08-31

1984-04-24

Staab, Lawrence J.

Machine element or mechanism

Gearing

Directly cooperating gears

74498, 74508, F16H 104, B62D 120, G05G 103

Patent

active

044440707

ABSTRACT:
In accordance with the present invention, there is provided a novel and improved variable ratio rack and pinion steering gear wherein the pinion has teeth of variable shape and size and the rack has teeth at least in part of variable shape and size. The teeth of the pinion are correctly meshable with a uniformly toothed rack profile and adapted to provide variable pitch circles. The teeth of the rack are adapted to be generated by using the profile of the pinion teeth in a manner to provide a desired variable ratio between the pinion and the rack.

REFERENCES:
patent: Re28740 (1976-03-01), Bishop
patent: 2865339 (1958-12-01), Bishop
patent: 3064491 (1962-11-01), Bishop
patent: 3267763 (1968-08-01), Merritt
patent: 4133221 (1979-01-01), Clary

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