| 摘要 |
A driving or driven element 7 to which the double joint 20 is connected and which may undergo movements modifying the operating angle of the joint, is connected to a fixed part 12 of the vehicle through a resiliently yieldable articulation 22 which is roughly centered on the centre of the double joint and has a high tangential flexibility and a high axial rigidity. In this way there is achieved an equal division of the variation in the operating angle between the two articulations of the double joint and consequently optimum operating conditions.
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