发明名称 Safety fence for scaffolds
摘要 A safety fence for scaffolds of the type having flat end portions is disclosed. The fence comprises a rectangular framework, upright when installed and provided with a bottom slot for slidably receiving an end portion of the scaffold. A second framework is rigidly fixed to the bottom of the main framework and forms a second slot to slidably receive the end portion of the scaffold, and this maintains the framework in secure immobile upright position.
申请公布号 US4858724(A) 申请公布日期 1989.08.22
申请号 US19880245461 申请日期 1988.09.02
申请人 ST-GERMAIN, JEAN 发明人 ST-GERMAIN, JEAN
分类号 E04G5/14 主分类号 E04G5/14
代理机构 代理人
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