| 摘要 |
A dynamometric wrench comprises a handle part (1) and an elongated torsion body (2) which at a first end (3) is co-rotatively connected with the handle part (1) and at the opposite end (4) has means for connecting the torsion body (2) with a screw or similar. In the region of the latter end (4), the torsion body (2) is co-rotatively connected with a socket- or ring-like part (8) which is rotatable relative to the handle part (1) when the body (2) is submitted to torsion due to it being loaded with a torque. A stop element (10) is connected with the handle part (1), which element is arranged to cooperate with at least one shoulder (12') on the socket part (8), more specifically in such a way that the stop element is brought into contact with the shoulder when a predetermined, optimal torque has been applied upon the screw, which torque confers an elastic, but not a plastic distortion to the torsion body.
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