Rack bushing for rack and pinion steering assembly

Details Rack bushing for rack and pinion steering assembly Rack bushing for rack and pinion steering assembly

2008-07-22

2008-07-22

Hurley, Kevin (Department: 3611)

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

C277S549000, C277S582000, C277S407000, C180S428000, C074S089120

Reexamination Certificate

active

07401789

ABSTRACT:
The invention contemplates a rack bushing and a rack and pinion steering assembly for use in a vehicle that includes such a rack bushing. The steering assembly may include a housing having a tubular rack portion with a tubular end, a rack mounted in the tubular rack portion and extending out of the tubular end, and a rack bushing mounted in the rack portion around the rack. The rack bushing includes a generally annular main body portion having a generally cylindrical inner surface centered about the axis and supporting the rack, an outer surface centered about the axis and including a generally cylindrical main surface adapted to engage the tubular end of the housing, and a first end and an opposed second end. The rack bushing may include a plurality of bores extending within the main body axially from the first end a portion of the way toward the second end. The rack bushing may also include a plurality of channels extending parallel to the axis, recessed in, and spaced circumferentially around the outer surface.

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