Bushing assembly for a rack and pinion steering gear

Details Bushing assembly for a rack and pinion steering gear Bushing assembly for a rack and pinion steering gear

1999-03-18

2000-12-05

DePumpo, Daniel G.

Motor vehicles

Steering gear

With fluid power assist

384 16, 92168, 277585, B62D 506

Patent

active

061553751

ABSTRACT:
A vehicle steering apparatus (10) comprises a rack (24) connectable with steerable vehicle wheels and a housing (20) partially enclosing the rack and defining a fluid chamber (50). The housing (20) includes an inner surface (30) and a radially extending end surface (36). An annular seal member (72) seals the fluid chamber (50). The seal member (72) encircles the rack (24) and extends between the rack and the inner surface (30). A bushing (70) encircles the rack (24) and is attachable to the housing (20). The bushing (70) includes a first portion (80) disposed between the rack (24) and the housing (20). The first portion (80) supports the seal member (72) and supports the rack (24) for sliding movement relative to the housing (20). The bushing (70) includes a second portion (82) having a first section (130) disposed between the rack (24) and the housing (20). The second portion (82) has a second section (132) extending beyond the end surface (36). A bellows member (200) encircles the rack (24) and encloses the second section (132). The bellows member (200) is connected to the second section (132).

REFERENCES:
patent: 3190702 (1965-06-01), Flick
patent: 3559540 (1971-02-01), Sheldon
patent: 4123965 (1978-11-01), Brown et al.
patent: 4323003 (1982-04-01), Clippard, III
patent: 4594938 (1986-06-01), Shore
patent: 4721175 (1988-01-01), Butler
patent: 4934668 (1990-06-01), Vassmer
patent: 5181581 (1993-01-01), Engler
patent: 5505276 (1996-04-01), Luibrand
patent: 5709283 (1998-01-01), Nief
patent: 5911607 (1999-06-01), Lacko et al.

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