| 摘要 |
A coupling for a vehicle includes a pilot clutch 15, a main clutch 13, a pressing system 21 and a coupling mechanism 17. The pilot clutch 15 generates a pilot torque and is operated by operating means 19. The main clutch 13 connects torque members 11 and 9 and transmits transmitted torque. The coupling mechanism 17 operated by the pilot torque converts the pilot torque into a pressing force for coupling the main clutch 13 via the pressing system 21 by use of a cam thrust force thereof. The main clutch 13 is disposed outside the pilot clutch 15 in a radial direction, and respective members of the pressing system 21 are mutually positioned and designed to move unitarily in a pressing direction, thus sliding portions caused by the main clutch 13 is connecting and disconnecting are limited to being on a side of the main clutch 13.
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