| 摘要 |
An aluminum rear case assembly (12) for a trailer body (10) includes a rectangular frame assembly (16). The frame assembly (16) includes an extruded aluminum top rail (22), an extruded aluminum bottom rail (24), and a pair of extruded aluminum side rails (26) connecting the top and bottom rails (22, 24). The top, bottom, and side rails (22, 24, 26) are joined to define the rectangular shape. The frame assembly (16) has an exposed side (18) facing outward from the trailer body (10) and an internal side (20) facing inward toward the cargo area defined by the trailer body (10) and attached to the rear end of the trailer body (10).
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