专利名称：Portable unloading device发明人：George F. Kuhn, Jr.申请号：US08/121604申请日：19930914公开号：US05348439A公开日：19940920
摘要：A truck has been adapted to receive the unloading device of the presentinvention. The unloading device includes a removable rotatable jib frame which ismounted on the partition walls of the truck. An elongated hollow lever arm member isattached to the jib frame for unloading a load. The lever arm member utilizes amechanical advantage for unloading a load. It incorporates a braking system togetherwith a chain retraction system for ease in safety of operation.
申请人：KUHN, JR.; GEORGE F.
代理人：Ronald S. Lombard
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