| 摘要 |
<p>PURPOSE:To improve the junction strength of a ball seat and a housing, and restrict the acceleration of abrasion of the ball seat. CONSTITUTION:In a ball joint provided with a ball stud 2, which has a spherical head part in one end thereof, and a ball seat 4, which is made of synthetic resin and which covers the periphery of the spherical head part 3 and which can slide, and a housing 1, which is made of synthetic resin and which has an inner chamber 5 corresponding to the peripheral surface of the ball seat 4 to fix the ball seat 4, the synthetic resin having a melting point equal to the melting point of the synthetic resin forming the ball seat 4 or more is used for the housing 1.</p> |
