| 摘要 |
PCT No. PCT/SE93/00692 Sec. 371 Date Jul. 13, 1994 Sec. 102(e) Date Jul. 13, 1994 PCT Filed Aug. 19, 1993 PCT Pub. No. WO94/05463 PCT Pub. Date Mar. 17, 1994A tool for the controlled tightening of bolts or other threaded objects comprises an arrangement that indicates when the turning moment attains a certain indication moment that is preset by displacing one of the ends of a spring (21), said end being displaced by rotating a screw (13) connected to the grip of the tool. The indication moment can be read off on a scale (31) on the tool's shaft (24), relative to a movable index (33) situated on a sleeve (30) which is actuated in relation to the grip by a thread (12) with a larger pitch than that of thread of the screw (13). The rotation of the grip (11) can be locked relative to the shaft (24) by a detachable handle (10). |
