| 摘要 |
PROBLEM TO BE SOLVED: To provide a low-cost constant velocity joint with fine ceramics coatings formed on the surfaces of balls and needle rollers, having improved seizure resistance. SOLUTION: In the constant velocity joint, a trunnion member 11 having a spherical roller 13 mounted on three leg portions 11a extending from circumferential equally distributed positions to the radial direction, via the plurality of needle rollers 15 on which the ceramics coatings 10 are formed, is stored in an outer ring in the inner wall face of which three pairs of axial guide grooves are formed at its circumferential equally distributed positions, for transmitting torque via contact portions between the guide grooves and the spherical face of the spherical roller 13. The ceramics coatings 10 are formed by introducing aerosol having ceramics particles dispersed in gas into a sealed container in which the plurality of needle rollers are put, and vibrating the sealed container to give mutual collision or slide contact to the needle rollers under the existence of the aerosol or give collision or slide contact to the needle rollers with the sealed container. COPYRIGHT: (C)2008,JPO&INPIT
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