发明授权
- 专利标题: Ladder joint for a folding collapsible ladder
- 专利标题(中): 折叠梯子的梯子关节
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申请号: US136124申请日: 1993-10-14
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公开(公告)号: US5353892A公开(公告)日: 1994-10-11
- 发明人: Feng-Hui Lu
- 申请人: Feng-Hui Lu
- 专利权人: Lu Feng Hui
- 当前专利权人: Lu Feng Hui
- 主分类号: E06C1/32
- IPC分类号: E06C1/32 ; E06C1/39 ; E06C1/28
摘要:
A ladder joint includes a pivot, a first base plate mounted on the pivot and connected to a first side rail section of one side rail of a ladder, a second base plate mounted on the pivot and connected to a second side rail section of the side rail, a spring-supported lever pivoted to the pivot, a lock bolt inserted through an eccentric hole on the second base plate and controlled by the lever to engage into either of a series of eccentric holes on the first base plate.
公开/授权文献
- US6039659A Interchangeable shaft golf club 公开/授权日:2000-03-21
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