| 摘要 |
A constant velocity ratio plunging universal joint, comprising an outer joint member (101, 201, 301), an inner joint member (102, 202, 302), torque-transmitting balls (103, 203, 303) engaging in straight axis-parallel tracks in the joint members, and a cage (104, 204, 304) holding the balls with their centers in a common plane. There are further provided control members either in the form of radially disposed pins (105, 106, 305, 306) or smaller balls (221, 225) engaging further tracks in the joint members to control the axial position of the cage relative thereto. The further tracks engaged by the control members are not parallel to the axes of the joint members, either crossing one another in developed view of the joint or diverging from one another in longitudinal section of the joint.
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