| 摘要 |
A coupling has a coupling hub ( 1 ), a coupling sleeve ( 2 ), and driving dogs ( 60 ). The driving dogs 6 are adjustably guided in the coupling hub ( 1 ) transversely to a longitudinal axis ( 42 ) between a torque transmitting position and a disconnected position. Recesses ( 9 ) in a bearing bore ( 4 ) of the coupling sleeve ( 2 ) are engaged by the driving dogs ( 6 ) in their torque transmitting position for transmitting torque between the coupling sleeve ( 2 ) and the coupling hub ( 1 ). A first switching ring ( 43 ) is axially loaded by a first spring in a first direction. A second switching ring ( 44 ) is axially loaded by a second spring. A setting mechanism ( 23 ) pretensions the first spring ( 20 ). The switching rings ( 43, 44 ) allow the driving dogs ( 6 ) to be set to the disconnected position if a predetermined limit torque is exceeded.
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