| 摘要 |
A uniform coupling comprises a torque transmitting unit; first and second shafts that are connected through the torque transmitting unit; a boot covering the torque transmitting unit and having a first end connected to the first shaft and a second end connected to the second shaft, the second end being formed into a cylindrical wall that is tightly disposed on a cylindrical portion of the second shaft and has an axially leading end; a boot cover disposed on the cylindrical portion of the second shaft to cover the cylindrical wall leaving an annular space therebetween, the boot cover having an inside end surface that contacts the axially leading end of the cylindrical wall; and an air bleeding passage that communicates the inside of the boot with the outside of the same. The air bleeding passage includes a groove formed in an inner surface of the cylindrical wall and a passage that is defined between the axially leading end of the cylindrical wall and the inside end surface of the boot cover.
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