Coupling used for torque limiting purposes
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United States of America Patent
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N/A
Issued Date -
May 19, 2005
app pub date -
Oct 12, 2004
filing date -
Oct 13, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
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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