| 摘要 |
A ball joint is provided to decrease the entire weight by simplifying the structure of a knuckle, and to improve freedom of design in moving the knuckle by fastening the ball joint without a fixing nut. A ball joint includes a knuckle(10) having an installation hole(12) whose inner part is inclined and a pin hole(14) spaced from the installation hole, a first ball joint stud(20) having an assembling groove(22) inserted to the installation hole of the knuckle with thread, a pressure surface(26) contacted to an outside of the knuckle in inserting the assembling groove to the installation hole and provided with a first pin hole(24) arranged in a line with the pin hole and a spherical head(28) extended in the pressure surface, a second ball joint stud(30) having a thread part(32) mounted in the assembling groove of the first ball joint stud, a pressure surface(36) contacted to the outside of the knuckle in assembling the thread part with the assembling groove and provided with a second pin hole(34) arranged in a lie with the pin hole and a spherical head(38) extended in the pressure surface, and a fixing pin(40) inserted to the first and second pin holes and the pin hole of the knuckle to combine the first and second ball joint studs. The ball joint is crossed and installed at an end of the knuckle.
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