| 摘要 |
To prevent disengagement of the element which it is attempted to fasten on the joining piece, the first end 8 of the elastic wedge 5A, 5B; 6A, 6B is free and has a support surface 9, the wedge being joined to the body of the joining piece by a side 13 transverse to said first and second ends; and the body 4 of the joining piece has a support surface 9 when the element which it is attempted to fasten fits under pressure in the wedge. <IMAGE> |
