Ball joint assembly with wear indication
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 23, 2006
Grant Date -
Mar 25, 2004
app pub date -
Sep 20, 2002
filing date -
Sep 20, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ball joint assembly (10) comprises a socket (12) with a chamber (18), an opening extending through a first axial end (20) of the socket (12), and electrically conductive structure (60) closing the second axial end (22) of the socket (12). An electrically conductive ball stud (30) has a head portion (32) that is received in the chamber (18) and a shank portion (34) that extends through the opening. An electrically conductive bearing member (40) is received in the chamber (18) and provides an electrical connection between the structure (60) and the ball stud (30). An electrically non-conductive biasing member (50) is interposed between the structure (60) and the bearing member (40) and urges the bearing member away from the structure such that, in response to a predetermined amount of wear, the electrical connection between the structure (60) and the ball stud (30) is discontinued.
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