Pinion for variable ratio rack and pinion steering gear

Details Pinion for variable ratio rack and pinion steering gear Pinion for variable ratio rack and pinion steering gear

1975-06-27

1976-10-05

Gerin, Leonard H.

Machine element or mechanism

Gearing

Varying speed ratio

74401, 74497, 74498, F16H 3506, F16H 3508, B62D 120

Patent

active

039837637

ABSTRACT:
A drive transmission mechanism comprises an axially fixed rotatable primary pinion, an intermediate pinion rotatable in response to the primary pinion to effect rotation of a secondary pinion, and cam means responsive to rotation of the primary pinion to effect axial displacement of the intermediate pinion during its rotation. The rotary drive is transmitted from the primary pinion to the secondary pinion by at least one set of mutually engaging helical teeth. The axial displacement of the intermediate pinion produces a variation in the movement ratio between the primary and secondary pinions.

REFERENCES:
patent: 1772372 (1930-08-01), Tierney, Jr.
patent: 2260402 (1941-10-01), Potoevin
patent: 2881628 (1959-04-01), Hannon

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