发明名称 Constant level scaffold adapted for use with a tilt bed truck
摘要 A versatile, low cost scaffold is constructed of commonly available materials and is adapted to be placed upon the bed of a tilt bed truck. When thereupon placed, the platform of the scaffold remains level as it is raised by tilting the bed of the truck. The scaffold comprises a lower portion which rests upon and is securely fastened to the bed of the truck. An upper portion, which includes the platform and safety rails of the scaffold is connected to the lower portion on one side by means of a hinge.
申请公布号 US4137994(A) 申请公布日期 1979.02.06
申请号 US19780878258 申请日期 1978.02.16
申请人 WOOD, DONALD 发明人 WOOD, DONALD
分类号 B66F11/04;(IPC1-7):E04G1/18 主分类号 B66F11/04
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