| 摘要 |
A first shaft which is, for example, the output shaft of a clutch, is coupled to a second shaft which, for example, is the input shaft of a transmission, by a splined coupling. The splined coupling includes a first sleeve having internal splines for splining with the first shaft and external splines for splining with the internal splines of a second sleeve which internal splines also spline with the external splines of the second shaft. A first spring extending between the first sleeve and first shaft biases the first sleeve toward the second shaft, while a second spring extending between the first sleeve and second sleeve biases the second sleeve toward the second shaft. In order to decouple the first shaft from the second shaft so that, for example, a clutch may be removed from a drive train without removing a transmission, the first and second sleeves are pushed to a retracted position, collapsing the first and second springs. The sleeves are then held in the retracted position by a screw which extends through the sleeves and is tightened against the first shaft. Upon replacing or repairing the clutch, the clutch is reinstalled and a retaining screw released in order to reproject the sleeves and effect positive engagement between the output shaft of the clutch and input shaft of the transmission.
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