发明名称 Fold-away hook platform
摘要 A fold-away hook platform used as a scaffold for mounting to a structure such as the side of a railroad car. The platform having a pair of scaffold arms with upper end portions having hook portions extending therefrom for quickly mounting to a door, gate, or wooden cribbing. The lower end portion of the scaffold arms adapted for receiving the ends of a board for standing on while working on the platform. The platform is held rigidly in place by scaffold bracing pivotally attached to each scaffold arm.
申请公布号 US4022293(A) 申请公布日期 1977.05.10
申请号 US19760660708 申请日期 1976.02.23
申请人 HALLAGIN, ELMER L. 发明人 HALLAGIN, ELMER L.
分类号 E04G5/06;(IPC1-7):E04G3/10 主分类号 E04G5/06
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