Machine element or mechanism – Gearing – Follow-up mechanism
Patent
1982-11-02
1985-06-25
Herrmann, Allan D.
Machine element or mechanism
Gearing
Follow-up mechanism
74422, 251229, 251237, 180148, 137DIG4, 91368, F16H 3500, F16K 3144, B62D 506, F15B 910
Patent
active
045246319
ABSTRACT:
Valve for controlling a power-assisted rack-and-pinion steering mechanism, of the slide-valve kind, whose slide member 11 moves along an axis different from that of the pinion 1 as a result of the axial movement of the pinion produced by the thrust exerted on it by the rack because of the inclination of its teeth, said slide member being connected to the pinion through a kinematic mechanism with a high transmission ratio consisting of a rubber ring, all outer surfaces of which are enclosed by rigid walls, a push-rod 10, and resilient means pressing one against the other said rubber ring, push-rod and slide member in such a way that the displacements of the slide member is given by the displacement of the pinion multiplied by the ratio between the area of the rubber exposed to the axial thrust acting on the pinion and the area of the cross-section of push-rod 10.
REFERENCES:
patent: 3997425 (1976-08-01), Hayashida
patent: 4182427 (1980-01-01), Ewald
patent: 4245815 (1981-01-01), Willis
patent: 4279323 (1981-07-01), Ando et al.
patent: 4369694 (1983-01-01), Perineau
patent: 4449601 (1984-05-01), Adams
Andrews Stephen B.
CORINT S.r.l.
Herrmann Allan D.
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