| 摘要 |
A constant velocity joint including an outer joint member formed with three track grooves having roller guide surfaces arranged in circumferentially opposed relation to each other; a tripod member having three radially projecting leg shafts; a plurality of rollers inserted in the track grooves; and a ring fitted directly on each of the leg shafts to support the rollers for rotation, the rollers being movable along the roller guide surfaces axially of the outer joint member, wherein each roller includes a set of annular roller portions and a plurality of balls interposed between outer raceway surfaces formed in rows in an inner periphery of the annular roller portions and two rows of inner raceway surfaces formed in an outer periphery of the ring, and wherein the inner peripheral surface of the ring is cylindrical and the outer peripheral surface of the leg shaft is spherical.
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