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 |