发明名称 Adjustable scaffold
摘要 An adjustable scaffold having a platform supported from a base by at least two sets of scissors connectors, and a lifting means for adjusting the platform between stored and elevated positions. The lifting means is pivotally attached between, rather than within, the sets of scissors connectors.
申请公布号 US4088203(A) 申请公布日期 1978.05.09
申请号 US19760738599 申请日期 1976.11.03
申请人 SMITH, JR., RAYMOND E. 发明人 SMITH, JR., RAYMOND E.
分类号 E04G1/22;(IPC1-7):E04G1/22 主分类号 E04G1/22
代理机构 代理人
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