发明名称 MULTI-SECTION LADDER
摘要 A multi-section ladder comprises a first ladder and at least one second ladder which respectively includes two upper and lower stiles, two coupling members and a plurality of rung assemblies, the upper stiles provided at the upper ends thereof with two retaining members, the lower stiles provided at the lower ends thereof with two support seats, in specific directions of the support seats in response to the retaining members being individually formed two recesses, the coupling members covered onto the lower ends of the upper stiles and the upper ends of the lower stiles, and the rung assemblies which are equally spaced apart from each other mounted between the inner walls of the two upper or lower stiles, and each of the rung assemblies including two side plates and a rung, thereby disassembling the upper and lower stiles from each other so as to be small in the size of the present invention while in storage.
申请公布号 US2008236949(A1) 申请公布日期 2008.10.02
申请号 US20070691991 申请日期 2007.03.27
申请人 LIN CHEN-HSIUNG 发明人 LIN CHEN-HSIUNG
分类号 E06C1/38;E06C7/06 主分类号 E06C1/38
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