| 摘要 |
This transmission shaft comprises a first transmission element having high torsional elasticity which is rigidly connected to rotate at its ends with the output shaft of the engine unit of the vehicle and a front wheel, and a second transmission element having a low torsional elasticity coaxial with the first transmission element. The second transmission element has one end rigidly connected to rotate with the wheel and another end connected to the shaft through a connection which has an angular play between two predetermined values of the torque applied to the shaft. The drag torque applied to the shaft when the engine is idling and the vehicle is held stationary by the brakes, is between these two values.
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