Portable riser unit with a telescopic brace

作者: John H. Kniefel , David R. Boeddeker , Glenn G. Kanengieter

DOI:

关键词:

摘要: A portable stepped riser unit for supporting persons or items above a floor, stage the like is provided. The foldable transport and storage. It includes generally tubular support frame, plurality of platforms forming steps removably mounted on lockable telescoping brace assembly associated with frame. foot operated lock, whereby single operator may fold, move erect unit.

参考文章(0)