发明申请
- 专利标题： Reinforced shutter
- 专利标题（中）： 强化快门
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申请号： US10690136申请日： 2003-10-21
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公开(公告)号： US20050082020A1公开(公告)日： 2005-04-21
- 发明人: James Miller
- 申请人： James Miller
- 主分类号： E06B9/17
- IPC分类号： E06B9/17 ; E06B9/58 ; A47H1/00
摘要：
A shutter for a building aperture comprising a shutter curtain having a first and second face, the shutter curtain being locatable in the aperture. The shutter further comprises a filament spanning the aperture and lying in a plane substantially parallel and adjacent to the first face of the shutter curtain and a tensioning device for applying tension to the filament to provide support to the curtain against flexure thereof in a direction towards the filament.
公开/授权文献
- US2137988A Adherent aluminum compound 公开/授权日：1938-11-22
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