| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a resin constant velocity universal joint boot capable of suppressing degradation of durability even when used at high-speed rotation. Ž<P>SOLUTION: In the axial cross section of the resin constant velocity universal joint boot 1, a region on the radial inward side of a line A including the line A between the peak point of a mountain part 10 adjacent to a small diameter part 3 and the peak point of the mountain part 10 adjacent to a large diameter part 2 includes all of the mountain parts 10 held between both mountain parts 10. A magnitude relation among radial thicknesses T1-T5 of bent portions 11a located at valley parts 11 on a bellows part 4 is T1>T2>T3>T4>T5. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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