发明授权
- 专利标题: Step stool
- 专利标题(中): 步粪
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申请号: US701491申请日: 1996-08-22
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公开(公告)号: US5762163A公开(公告)日: 1998-06-09
- 发明人: James M. Kain
- 申请人: James M. Kain
- 申请人地址: IN Columbus
- 专利权人: Cosco, Inc.
- 当前专利权人: Cosco, Inc.
- 当前专利权人地址: IN Columbus
- 主分类号: E06C1/393
- IPC分类号: E06C1/393 ; E06C1/00
摘要:
The invention relates to platform step stools wherein a top step of the stool is movable from its top position to a position in alignment with the step below it to provide for a wider platform than a single step and in particular, to a particular single handle actuated locking mechanism for securing the top step both in its top and alignment height positions.
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