发明名称 Telescoping lifting hand truck with a folding platform
摘要 A hand truck having a folding platform attached to a wheeled base. The base having an arrangement of stabilizing bars and feet and vertically extensible masts that raise and lower the folding platform by operation of a motor attached to the base. The platform of the hand truck, when in the extended position, has modular removable railings attached along the perimeter of different platform sections. The platform is collapsible about pivot pins and suspended by chains attached to brackets atop the extensible masts.
申请公布号 US7607513(B1) 申请公布日期 2009.10.27
申请号 US20070998364 申请日期 2007.11.29
申请人 ROJAS ELMO 发明人 ROJAS ELMO
分类号 E04G1/22 主分类号 E04G1/22
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