| 摘要 |
<p>Shaft seal consisting of an annular body of elastic material, comprising a fastening flange (1;12), a substantial axially extending flexible hinge portion (6;13) and a sealing lip (7;14) said fastening flange, hinge portion and sealing lip forming a single piece, and said sealing lip (7;14) having a cylindrical contact surface with the shaft extending over substantially the entire length of the sealing lip, said length being sufficient to receive one or more tensioning elements (10,11; 15,16) of an operative width to guide the sealing lip concentrically on the shaft over its entire axial length. </p> |
