Joints and connections – Articulated members – Pivoted
Reexamination Certificate
2008-07-01
2008-07-01
Stodola, Daniel P. (Department: 3679)
Joints and connections
Articulated members
Pivoted
C403S077000, C403S133000, C403S368000
Reexamination Certificate
active
07393152
ABSTRACT:
A ball joint assembly (28) for a vehicular steering or suspension application includes a cap-like housing (42) in which is captured the articulating ball portion (32) of a stud (30). A shank (34) extends from the ball portion (32), outwardly from the housing cap (42), to provide a connection and anchoring interface for the suspension member (16) or other anchoring component. The connection interface with the anchoring suspension member (16) is characterized by a specially designed surface which is convenient to machine, provides increased surface-to-surface contact area, and provides additional advantages such as improved stress distribution and NVH benefits. A washer-like cone adaptor (54) mates with a specially formed adaptor interface region (48) on the stud (30). On its outer surface, the adaptor (54) has a broad tapering feature (56) designed to seat in a complementary-shaped receiving flare (58) in the anchoring suspension member (16). The mating contact region between the adaptor (54) and the stud (30) is formed with spherical or spheroidal curvatures, or by single or multiple step configurations.
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Byrnes Thomas J.
Curtis Norman F.
Schmidt George R.
Sellers Roger G.
Warhover Scott
Dickinson Wright PLLC
Federal - Mogul World Wide, Inc.
Ferguson Michael P.
Stearns Robert L.
Stodola Daniel P.
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