发明授权
- 专利标题： Control wand for coverings for architectural openings
- 专利标题（中）： 控制魔杖用于建筑开口的覆盖物
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申请号： US09562576申请日： 2000-05-01
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公开(公告)号： US06298897B1公开(公告)日： 2001-10-09
- 发明人: Darrell J. Metcalf , Clyde L. Tichenor , Irwin Ginsburgh
- 申请人： Darrell J. Metcalf , Clyde L. Tichenor , Irwin Ginsburgh
- 主分类号： E06B938
- IPC分类号： E06B938
摘要：
A system for reversibly rotating a shaft for operation of the control system in a covering for an architectural opening includes two relatively linearly moveable members at least one of which has a low friction component engaging a helical path on the other so that linear movement of the members causes relative rotation to drive the rotatable shaft of the control system.
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