| 摘要 |
PCT No. PCT/EP95/04311 Sec. 371 Date Aug. 28, 1998 Sec. 102(e) Date Aug. 28, 1998 PCT Filed Nov. 3, 1995 PCT Pub. No. WO97/17548 PCT Pub. Date May 15, 1997In an angularly adjustable, releasably lockable ball joint, the ball has a surface covered with polygonal patterns of spaced apart protuberances, the protuberances define concavities. An actuator tip is provided to penetrate at least one concavity and simultaneously contact the protuberances if the pattern to lock the ball and actuator together, thereby fixing the orientation of shanks attached to the ball and actuator. |
