Rack bushing with integral seal

Details Rack bushing with integral seal Rack bushing with integral seal

1991-02-08

1993-01-26

Focarino, Margaret A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180132, 92168, 277153, 384 16, B62D 522

Patent

active

051815818

ABSTRACT:
A bushing and a seal member are disposed within a tubular housing partially defining the fluid chamber of a fluid power rack and pinion vehicle steering gear. The steering gear rack is axially movable within the chamber and extends axially through the seal and the bushing. The bushing supports the rack for axial movement in the tubular housing. The inner seal surface of the seal member sealingly engages the rack. The outer seal surface of the seal member sealingly engages the cylinder wall. The seal member and the retaining ridge have interdigitated portions which are urged into interlocking engagement by the cylinder wall.

REFERENCES:
patent: 2387182 (1945-10-01), Procter
patent: 3366425 (1968-01-01), Genz
patent: 3831697 (1974-08-01), Wahlmark
patent: 4195854 (1980-04-01), Bertin
patent: 4211152 (1980-07-01), Colletti et al.
patent: 4351228 (1982-09-01), Schultz et al.
patent: 4721175 (1988-01-01), Butler

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