发明名称 STEPLADDER
摘要 A stepladder includes a first ladder having a first side rail and a second side rail and step members disposed there between. A second ladder includes a third side rail and a fourth side rail and step members disposed there between. Such ladders are pivotally connected for positioning between an open position and a closed position. A platform is at least one of pivotally attached to an upper end of at least one of such first side rail, such second side rail, such third side rail, and such fourth side rail, and permanently attached to an upper end of at least one of such first side rail, such second side rail, such third side rail, and such fourth side rail, and a combination thereof. A telescoping portion is disposed on each bottom end of such side rails, for selectively extending and retracting the length of each side rail.
申请公布号 US2009183949(A1) 申请公布日期 2009.07.23
申请号 US20090356739 申请日期 2009.01.21
申请人 BARANOVSKIS LEONS;ZELTINS MAREKS 发明人 BARANOVSKIS LEONS;ZELTINS MAREKS
分类号 E06C1/39 主分类号 E06C1/39
代理机构 代理人
主权项
地址