- 专利标题: Step stool with step lock
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申请号: US10636395申请日: 2003-08-07
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公开(公告)号: US06902035B2公开(公告)日: 2005-06-07
- 发明人: Joseph Baumgartner , Andrew Mendenhall
- 申请人: Joseph Baumgartner , Andrew Mendenhall
- 申请人地址: US DE Wilmington
- 专利权人: Cosco Management, Inc.
- 当前专利权人: Cosco Management, Inc.
- 当前专利权人地址: US DE Wilmington
- 代理机构: Barnes & Thornburg LLP
- 主分类号: E06C1/393
- IPC分类号: E06C1/393 ; E06C1/00
摘要:
A step stool includes a frame, a step coupled to the frame for pivotable movement, and a step lock. The step lock is used to lock the step to block pivotable movement of the step relative to the frame.
公开/授权文献
- US20050029050A1 Step stool with step lock 公开/授权日:2005-02-10
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