
基本信息:
- 专利标题: Step Stool with Rib, and Method
- 申请号:US15667356 申请日:2017-08-02
- 公开(公告)号:US20180363374A1 公开(公告)日:2018-12-20
- 发明人: Stephen Woodward
- 申请人: Stephen Woodward
- 申请人地址: US PA Greenville
- 专利权人: Werner Co.
- 当前专利权人: Werner Co.
- 当前专利权人地址: US PA Greenville
- 主分类号: E06C1/393
- IPC分类号: E06C1/393 ; A47C12/00 ; E06C1/387
摘要:
A step stool having a platform having a length at least 1.5 times a length of a first step. The platform rotatably attached to a first front leg and a second front leg above the first step. The first step having a perimeter having a first side which extends down from a top of the first step. The first step having a first boss that extends outward from the first side through which a first fastener extends to attach the first front leg to the first step. The first step having a rib which extends outwards from the first side adjacent the first boss and in alignment with the first front leg when the first and second front legs and first and second rear legs are in an open position where they form a generally upside down V shape. The rib providing support to the first front leg when a cantilever type force is applied to the stepladder. A method.
公开/授权文献:
- US10941616B2 Step stool with rib, and method 公开/授权日:2021-03-09
IPC结构图谱:
E | 固定建筑物 |
--E06 | 一般门、窗、百叶窗或卷辊遮帘;梯子 |
----E06C | 梯子 |
------E06C1/00 | 一般梯子 |
--------E06C1/02 | .有纵向固定部件的或杆件的 |
----------E06C1/34 | ..可以装设在建筑物构件,例如,窗、挑檐、支杆或类似物上面的梯子 |
------------E06C1/39 | ...带平台的梯子;可变成平台的梯子 |
--------------E06C1/393 | ....平台可与梯子一起折叠的梯子 |