Ball joint
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United States of America Patent
Stats
-
Nov 9, 2004
Grant Date -
Aug 21, 2003
app pub date -
Dec 27, 2002
filing date -
Feb 21, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ball joint includes a retaining ring fitted to a shank of a ball stud, and a boot having first and second annular beads fitted to the retaining ring and a ball socket. The first mounting bead is formed with an end face seal portion and an inner periphery seal portion, which are adapted to come into close contact with a cylindrical portion and a large flange of the retaining ring, respectively. In such a ball joint, a clearance is provided between the first mounting bead and the small flange for permitting the movement of the first mounting bead toward the small flange. Thus, even when the ball stud and the ball socket are swung relative to each other in a state in which the boot has been hardened due to the freezing of snow deposited to the boot and the like, the generation of an excessive stress in the mounting bead of the boot can be avoided.
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Cited Art Landscape
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