| 摘要 |
A ball and socket joint is provided having a casing with a bore closed at one end with a cover, a ball in the casing and a resilient bearing between the ball and the wall of the bore, the bore being cylindrical from the opening closed by the cover to a point below the maximum cross-section of the ball where it merges into a frustoconical portion terminating adjacent the ball pin in an annular inwardly extending flange, the external configuration of the bearing corresponding to that of the wall of the bore, having protuberances adjacent to and compressed by the cover and having circumferentially spaced longitudinal slots in that portion thereof which is frusto-conically shaped to reduce the volume of the bearing and reduce friction when the ball moves with respect to the bearing. |
