发明名称 SAFETY LADDER PREVENTING FROM FALL DOWN
摘要 PURPOSE: A safety ladder for overturn prevention is provided to prevent a safety accident by preventing the ladder from being overturned. CONSTITUTION: A safety ladder for overturn prevention comprises a pair of ladder parts and support devices(20). The ladder parts are faced each other, and coupled by a hinge part to be foldable. The support devices are installed in both sides of the top end of the ladder. And the support devices prevent the ladder from being overturned by supporting the top end of the ladder to a building.
申请公布号 KR20100015169(A) 申请公布日期 2010.02.12
申请号 KR20080076100 申请日期 2008.08.04
申请人 LIM, KANG HO;LIM, WON GEUN 发明人 LIM, KANG HO
分类号 E06C7/44;E06C1/14;E06C7/00;E06C7/46 主分类号 E06C7/44
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