| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a coupling device for the sake of a vertical drive shaft and an axle module or similar objects, permitting a high maneuvering stroke and a steering angle in the case of reducing an expense of structure. SOLUTION: A device has at least one friction coupling unit 17 having a drivable case 18 and a driven boss 19 and an operating device provided with a pump unit 28 having a case part and a pump part rotatable relating to a part of this case 18. Here, in a coupling of type where one part of the pump unit 28 is connected to a case of the friction coupling unit 17 with rotation impeded and where the other part of the pump unit 28 is connected to a boss of the friction coupling unit 17 with rotation impeded, the boss 19 of at least one friction coupling unit 17 receives a joint outer side part of a synchronous rotary joint 20.</p> |
