| 摘要 |
A demountable frame (10) for a vehicle (68) fitted with hook unit equipment. The frame (10) includes skip arms (60) which are operable to hoist a skip (78) to and from the frame (10). The frame (10) further comprises a base section (12) and an upstanding section front section (24) pivotably connected thereto. Link members (56) extend between the front section (24) and the skip arms (60). In a preferred embodiment the front section (24) comprises inner and outer sections (26,28) movable relative to one another by drive means. The drive means may comprise double acting hydraulic rams or alternatively a driven threaded rod (44) and a captive nut (46). <IMAGE> |
