发明授权
- 专利标题： Rung lock and latch assembly for an extension ladder
- 专利标题（中）： 用于延伸梯的梯形锁和闩锁组件
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申请号： US197745申请日： 1994-02-17
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公开(公告)号： US5429207A公开(公告)日： 1995-07-04
- 发明人: William H. Frank , Claude R. Wallick, Jr.
- 申请人： William H. Frank , Claude R. Wallick, Jr.
- 申请人地址： MO St. Louis
- 专利权人： Emerson Electric Co.
- 当前专利权人： Emerson Electric Co.
- 当前专利权人地址： MO St. Louis
- 主分类号： E06C1/12
- IPC分类号： E06C1/12 ; E06C7/06
摘要：
A rung lock frame and a mechanical latching structural assembly for selectively releasably locking and releasably and augmentally latching a pair of adjacently positioned rungs of relatively slidable ladder sections of an extension ladder, the rung lock frame and latching structure including guide rib and inclined ramp arrangement to permit ready movement of said latching structure into and out of augmental latching position on the rung lock frame.
公开/授权文献
- US4366413A Secondary electron multiplication target 公开/授权日：1982-12-28
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