发明名称 Apparatus for elevating a stepladder
摘要 Stepladder support apparatus for use with a stepladder to allow the stepladder to be positioned on an uneven surface and maintain the rung side of the stepladder at an elevated position includes a support member having a top end and a bottom end. Rung engagement members are attached to the support member for engaging and supporting one or more rungs of the stepladder. The bottom end of the support member extends below the lower end of the rung side of the stepladder when the rung engagement members engage and support a rung or rungs of the stepladder.
申请公布号 US5944142(A) 申请公布日期 1999.08.31
申请号 US19980141661 申请日期 1998.08.28
申请人 MILNER, ROBERT W. 发明人 MILNER, ROBERT W.
分类号 E06C7/42;E06C7/44;(IPC1-7):E06C1/00 主分类号 E06C7/42
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