| 摘要 |
A constant velocity joint has an input shaft side member (12) having first guiding grooves (32a-32f) formed in it; an output shaft side member (14) having guiding grooves (38a-38f) formed in it, the second guiding grooves (38a-38f) intersecting the first guiding grooves (32a-32f); a retainer (16) having retaining windows (18) formed in it; and a torque transmission member (20) that is held so as to be displaceable along the retaining windows (18) of the retainer (16) and in which a first ring body (27a) and a second ring body (27b) are rotatably supported by a first shaft body (23a) and a second shaft body (23b) through a needle bearing (25), the first shaft body (23a) and the second shaft body (23b) being in rotating contact with side walls (35a, 35b) of the first guiding grooves (32a-32f) and/or with side walls (41a, 41b) of the second guiding grooves (38a-38f).
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