发明名称 Hinged trailer
摘要 A trailer having a hinged bed with a hinge positioned such that a rear bed portion automatically pivots toward the ground in an inclined load/unload position when the trailer is empty, forming a ramp for loading and unloading. The hinged bed automatically pivots to a horizontal transport position when a front portion of the bed is loaded. The trailer includes a transport locking mechanism for securing the rear bed portion in its horizontal transport position and a separate load/unload locking mechanism for securing the rear bed portion in its inclined load/unload position.
申请公布号 US5033931(A) 申请公布日期 1991.07.23
申请号 US19900485211 申请日期 1990.02.26
申请人 MANN, FRED W. 发明人 MANN, FRED W.
分类号 B60P1/24;B60P3/40;B62D63/06 主分类号 B60P1/24
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