| 摘要 |
<p>A triple lip seal (10) for reciprocating members, and especially for an inner cylindrical tube (2) connected to a vehicle wheel and an off-road motorcycle or bicycle. The seal includes an oil side beam (22) generally parallel to the axis of the reciprocating members and having at least two sealing lips (30, 34) for engaging the inner cylindrical tube (2) and wherein the forces applied to the seal are balanced between the two lips (30, 34) to resist flattening of the sealing lips against the shaft (2) and to enhance the service life of the seal (10). The seal also includes an air side beam (24) having a third sealing lip (42) engaging the inner cylindrical tube (2).</p> |
