发明名称 Universal ladder stand dolly system
摘要 A ladder dolly engagable to multiple styles of ladders. The dolly comprises two separate tubular bodies with each having at least one side shorter than the other sides. Two horizontal members extending from sides perpendicular to the shorter side and outwardly extend past the shorter side. Multiple holes are spaced in the outwardly extended ends of the horizontal members, whereby allowing securement to various sizes of ladder rungs. Each pair of horizontal members includes a pin engagable between corresponding holes for securing each tubular body to a ladder rung. An axle is attached to one side perpendicular to the shorter side of one tubular body and extends outwardly in the opposite direction of the shorter side. A second axle is attached to the opposite perpendicular side of the second tubular body and also extends outwardly past the shorter side. Each axle rotatably supports a wheel on the outwardly extended end.
申请公布号 US2007199768(A1) 申请公布日期 2007.08.30
申请号 US20060584910 申请日期 2006.10.23
申请人 DUKE DAVID JAMES;KALCHBRENNER KERRY STEPHEN 发明人 DUKE DAVID JAMES;KALCHBRENNER KERRY STEPHEN
分类号 E06C1/00 主分类号 E06C1/00
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