| 摘要 |
The hard shell comprises a fore element (1) and a back element (2) permanently mounted on the bed and a certain number of intermediate elements (3, 4, 5, 6, 7); the fore element (1) and the back element (2) of the shell are made up of rigid frames; to each free end of the girders a moving element is fixed, sliding in a rail (19) fixed to the side edge of the motor vehicle bed; each intermediate element (3, 4, 5, 6, 7) is formed by at least one upper crosspiece (3.1, 4.1, 5.1, 6.1, 7.1) and two girders (3.2, 4.2, 5.2, 6.2, 7.2); each girder (3.2, 4.2, 5.2, 6.2, 7.2) is hinged to the upper crosspieces (3.1, 4.1, 5.1, 6.1, 7.1); each intermediate element (3, 4, 5, 6, 7) is foldable along the hinge plans and the girders (3.2, 4.2, 5.2, 6.2, 7.2) are placed under the upper crosspiece (3.1, 4.1, 5.1, 6.1, 7.1) when the shell is not mounted.
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