| 摘要 |
An anchor that has a rod with threading at the end, a washer fit to the rod, tension nut, thrust section, at that the rod is arranged with a diameter long plane that forms lugs near the ends, one of those at the end opposite to the threading is arranged with an inclined cant from the plane to the end, and the thrust section is arranged as a set of semi-round cylindrical segments with cants at the ends from the long plane of the rod, with those the segments are in sequence in contact one with another, at that the segment at the side of threading is arranged with one cant to outside to the threading, segment near the lug of the rod with inclined cant is arranged with two cants that go to outside to different sides, one of those is in contact with the cant of the ledge, and the segments placed between those two segments are arranged with two parallel cants. |
