FIELD: development. SUBSTANCE: gripping device has case provided with a longitudinal groove for placing anchor. The latter is made in form of flat part disposed at some distance from end of the rod. Gripping device is provided with two clamping members disposed in groove of the case for lateral motion relatively axis of fitting rod. Any clamping member is made in form of a wedge with two flat faces. One face is in contact with anchor, and the other one - with the rod. Any clamping member has also two bevelled faces which are in contact with bevelled walls of the groove. EFFECT: improved efficiency. 11 dwg
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