Self-sealing yoke assembly for a steering apparatus

Details Self-sealing yoke assembly for a steering apparatus Self-sealing yoke assembly for a steering apparatus

2007-01-22

2008-12-02

Fenstermacher, David M (Department: 3682)

Machine element or mechanism

Gearing

Follow-up mechanism

C074S409000, C277S312000, C277S549000

Reexamination Certificate

active

07458291

ABSTRACT:
A rack and pinion steering system including a rack slidably supported within a housing that engages in a pinion gear wherein the housing includes a cylindrical sleeve having an outer seal surface with a slight medial taper at one end thereof. A yoke assembly, which is received by the cylindrical sleeve, operates to guide the rack and maintain engagement of the rack and pinion during operation of the steering system and includes a yoke member engaging the rack. A retainer member holds a yoke plug, used in the yoke assembly, in position and has a compliant annular seal member having an inner sealing surface that has a complementary slight outward extending taper to provide a self-sealing interface with the medial taper of the outer seal surface of the cylindrical sleeve to protect the internal components of the steering system from water and other contaminants.

REFERENCES:
patent: 6076417 (2000-06-01), Engler
patent: 6357314 (2002-03-01), Sommer
patent: 6591706 (2003-07-01), Harer et al.
patent: 6619420 (2003-09-01), Saarinen
patent: 6736021 (2004-05-01), Adams et al.
patent: 7281444 (2007-10-01), Bishop
patent: 2004/0036226 (2004-02-01), Hosoda et al.
patent: 2007/0209464 (2007-09-01), Roline et al.
patent: 2008/0034910 (2008-02-01), Roline et al.
patent: 2008/0078263 (2008-04-01), Pattok

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