发明名称 |
Closing devices incorporating rolling means |
摘要 |
Closures such as rolling shades or blinds which include a drum for winding slats of the closure body and which are formed by two superposed shafts. Separation devices are provided adapted to prevent any friction between layers of slats wound on the shafts. These devices may include stepped pulleys associated with slat end pieces of different lengths.
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申请公布号 |
US5682937(A) |
申请公布日期 |
1997.11.04 |
申请号 |
US19960629051 |
申请日期 |
1996.04.08 |
申请人 |
SIMU;ALUROY |
发明人 |
DECRANE, PIERRE;ROY, BERNARD |
分类号 |
E06B9/13;E06B9/174;E06B9/58;(IPC1-7):E06B9/08 |
主分类号 |
E06B9/13 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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