| 摘要 |
<p>1. An Element for fixing two pieces, including a fixing rod (1), at one end (2) thereof means (4, 5, 9) for anachroring the rod (1) in one of the two pieces, at the other end (3) of the rod (1) means (8, 7, 10) for anchoring the rod (1) in the other of the two pieces, the means (4, 5, 9) and the means (8, 7, 10) for anchoring the rod (1) in the two pieces, respectively, including an expandable plug (5, 7) and an expanding core (4, 8) and being controlled by a common nut (6), which element is characterized by the fact the the two end portions (2, 3) of the rod (1) are threaded, each expandable plug (5, 7) is in abutment against a shoulder (9, 10, 11, 12) of the rod (1), one (4) of the expanding cores is threaded and screwed onto the corresponding end portion (2) of the rod (1) and the anchoring nut (6) is screwed onto and is removably rotatably interlocked with the other end portion (3) of the rod (1).</p> |
