Hydraulic rack steering system

Details Hydraulic rack steering system Hydraulic rack steering system

1981-03-03

1983-02-15

Peters, Jr., Joseph F.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

92167, 92168, 92169, 277152, 277166, 277188R, B62D 510, F16J 1518

Patent

active

043735991

ABSTRACT:
A hydraulic rack steering system is provided with a unitary seal assembly around a piston rod which is a composite of compressible toroidal gaskets having an intermediate pre-stressing ring constructed and arranged to radially stress a plastic sealing ring against a piston rod. Thus, there is a sliding sealed relationship established between the piston rod and a composite sealing assembly secured within the servocylinder. The composite sealing ring assembly is carried in an assembly housing with the components locked in place therein by a closure ring press fitted into the housing. The cover ring is spaced from the composite sealing members in order to permit clearance for the piston rod to follow bending of a rack with which the piston rod is integral and wherein the rack is subjected to bending effected by steering stress.

REFERENCES:
patent: 3528346 (1969-04-01), Lee
patent: 3817155 (1974-06-01), Walter
patent: 3860250 (1975-01-01), Lundquist
patent: 4063490 (1977-12-01), Duffy
patent: 4179131 (1979-12-01), Nussbaumer
patent: 4211152 (1980-07-01), Colletti et al.
patent: 4301691 (1981-11-01), Walter

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