| 摘要 |
PCT No. PCT/AU93/00299 Sec. 371 Date Dec. 19, 1994 Sec. 102(e) Date Dec. 19, 1994 PCT Filed Jun. 21, 1993 PCT Pub. No. WO94/00276 PCT Pub. Date Jan. 6, 1994An adjustable gripping device (10) in the nature of an adjustable socket including a body (11) supporting a stem (14) having arcuate guide surfaces (16) along which gripping jaws (19) slide. The gripping jaws (19) include teeth (23) on their outer surfaces and a rotatable adjuster (24) is provided with an internal thread (27) for cooperation with the teeth (23) such that when the adjuster (24) is rotated in opposite directions, the jaws (19) move inwardly and outwardly. |
