发明名称 ADJUSTABLE LADDERS
摘要 <p>The present invention relates to ladders and, more particularly, various configurations of ladders including straight and extension ladders, as well as to methods relating to the use and manufacture of such ladders. In accordance with one embodiment of the present invention, a ladder is provided that includes a first pair of spaced apart rails and a plurality of rungs extending between and coupled to the first pair of spaced apart rails. The ladder also includes a pair of lateral support members, wherein each support member is selectively displaceable in a lateral direction relative to an associated rail. Additionally, the ladder includes a pair of adjustable legs, each leg having a first end slidably coupled to an associated rail of the first pair of spaced apart rails and being slidably coupled to an associated lateral support member.</p>
申请公布号 EP2404022(A1) 申请公布日期 2012.01.11
申请号 EP20100707766 申请日期 2010.03.03
申请人 WING ENTERPRISES, INC. 发明人 MOSS, N., RYAN;JONAS, GARY, M.;GROTEGUT, CHAD;PETERSON, SEAN, R.;RUSSELL, BRIAN, B.;BOYNTON, STEPHEN, E.;CRAWFORD, RYAN;PENROD, DARIUS, S.
分类号 E06C1/12;E06C7/00;E06C7/42 主分类号 E06C1/12
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