发明名称 STEP LADDER
摘要 A ladder including a first frame, a second frame and a platform assembly. The first frame includes one or more fixed steps. The platform assembly includes a first platform pivotably coupled to the first frame, a second platform pivotably coupled to the first frame, a first linkage coupled between the second frame and one of the first platform and the second platform, and a second linkage coupled to the first platform and the second platform. The ladder is movable between a closed position and an open position
申请公布号 US2015308190(A1) 申请公布日期 2015.10.29
申请号 US201514617441 申请日期 2015.02.09
申请人 Tricam Industries, Inc. 发明人 Skubic Jeff;Simpson Dennis D.;Williams Ben;Lu Yongxue
分类号 E06C7/16;E06C1/16 主分类号 E06C7/16
代理机构 代理人
主权项 1. A ladder, comprising: a first frame; a second frame; a fixed step coupled to the first frame; and a platform assembly, including: a first platform pivotably coupled to the first frame;a second platform pivotably coupled to the first frame;a first linkage coupled between the second frame and one of the first platform and the second platform; anda second linkage coupled to the first platform and the second platform, wherein the ladder is configured to be movable between a closed position and an open position.
地址 Eden Prairie MN US