发明名称 |
Return and tensioning device for the chain drive of a garage door drive |
摘要 |
<p>The garage door is opened and closed by an electric motor driving a chain which runs through a guide rail the position of which may be adjusted axially. The unit also incorporates a pressure spring which operates axially between the movable rail and end-stop, tensioning the chain-roller and chain.</p> |
申请公布号 |
EP0936337(B1) |
申请公布日期 |
2003.05.28 |
申请号 |
EP19990101260 |
申请日期 |
1999.01.23 |
申请人 |
SOMFY FEINMECHANIK UND ELEKTROTECHNIK GMBH |
发明人 |
KAISER, NORBERT;BUEHNER, PETER;SIEGWART, BERNHARD;GRABANDT, PETER |
分类号 |
E05F15/16;(IPC1-7):E05F15/16 |
主分类号 |
E05F15/16 |
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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