发明名称 |
Portable riser unit with a telescopic brace |
摘要 |
A portable stepped riser unit for supporting persons or items above a floor, a stage or the like is provided. The riser unit is foldable for transport and storage. It includes a generally tubular support frame, a plurality of platforms for forming the steps removably mounted on the support frame, and a lockable telescoping brace assembly associated with the support frame. The brace assembly includes a foot operated lock, whereby a single operator may fold, move and erect the riser unit.
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申请公布号 |
US5381873(A) |
申请公布日期 |
1995.01.17 |
申请号 |
US19930129798 |
申请日期 |
1993.09.30 |
申请人 |
WENGER CORPORATION |
发明人 |
KNIEFEL, JOHN H.;BOEDDEKER, DAVID R.;KANENGIETER, DECEASED, GLENN G. |
分类号 |
E04H3/12;(IPC1-7):E04H3/12 |
主分类号 |
E04H3/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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