| 摘要 |
A bearing comprising an active bearing arrangement (5/6) that is operative during a relative movement of parts (1,3) of the bearing supported relative to one another through this active bearing arrangement, and a passive bearing arrangement (7/8) normally disposed in a non-bearing condition, this passive bearing arrangement being actuable to adopt an active condition in which it supports said parts relative to one another and permits removal of said active bearing arrangement. <IMAGE> |
