| 摘要 |
The present invention relates to a seal used in a U-joint assembly. A compressible annular seal has two annular legs radially spaced apart with a rigid insert at least partially disposed within each leg to provide a desired loading. The inner leg creates a first loading against the relatively stationary surface of a trunnion of a U-joint to provide a static seal. The outer leg creates a loading, lighter than the first loading, to provide a dynamic seal against the relatively moveable surface of a cup of a U-joint. The seal may include a bridge that allows for relative movement and variations in loads between the legs.
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