| 摘要 |
<p>The roof housing (16) comprises a base frame (17) having a substantially peripheral portion (36) resting on a respective portion (37) of the roof (14) of the cab (10). A number of screw (41) and nut (42) type fastening elements (39) are provided for a respective number of pairs of holes (43, 44), each comprising a hole (43) in the frame (17) and a hole (44) in the roof (14), and formed outwards in relation to the aforementioned mating portions (36, 37). Each fastening element (39) is housed inside a barrel-shaped pad (46) of elastomeric material molded together with a metal bush (47) and inserted inside one (43) of the holes in each pair. The screw (41) is inserted inside the bush (47), while the nut (42) is welded to the other hole (44) in the pair. <IMAGE></p> |
