Thread delasher in vehicle steering gear

Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type

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744248R, F15B 910

Patent

active

042941598

ABSTRACT:
Power steering gear with integral rotary valve for directing hydraulic pressure fluid to and from a hydraulically actuated rack piston nut drivingly connected to an output and in which an internal spring device effectively reduces lash in the threaded connection between the worm and rack piston nut so that the valve components will be immediately relatively rotated on stub shaft input from the handwheel for improved and quicker valve response.

REFERENCES:
patent: 525780 (1894-09-01), Boynton
patent: 3496794 (1970-02-01), Forichon
patent: 4009641 (1977-03-01), Rohde et al.
patent: 4217811 (1980-08-01), Dzioba et al.
patent: 4217812 (1980-08-01), Byrne
patent: 4217813 (1980-08-01), Bradley

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