| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a propeller shaft which can form a ventilation path for pressure adjustment in a stub shaft, surely ventilating a grease housing space and its outside, and returning grease to the grease housing space when the grease enters the ventilation path. <P>SOLUTION: Inside a stub shaft 20, a first ventilation path 23, communicated with the outside of a grease housing space 50 from the end surface of one end side of the stub shaft 20, and a second ventilation path 24, extended to the radial direction outside from the midway of the first ventilation path 23 to be communicated with the grease housing space 50, are formed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
