| 摘要 |
A ball joint, which has high reliability and reduced weight, is provided. A ball joint 10 includes: a ball stud 100 having a columnar stud portion 110 and a ball portion 120 which has a spherical side surface and a center positioned on an axis of the stud portion; a ball seat 210 which is made of a resin and has a spherical recess portion 212 into which the ball portion 120 is relatively rotatably and slidably fitted; a housing 220 which is made of a resin and holds the ball seat 210 therein; and a support bar 230 which is integrally formed with the housing 220, wherein the support bar 230 has a bar portion 231 which is a center portion extending along an axis of the support bar. |
