发明名称 |
Drive Unit For Raising And/Or Lowering A Roller Shutter |
摘要 |
A drive unit ( 10 ) for a roller shutter assembly is disclosed. The drive unit ( 10 ) includes at least two electrical motors ( 14 ) and a reduction gear train ( 12 ). Each electric motor ( 14 ) includes an output shaft that is mechanically coupled to an axle engaging means ( 20 ) via the reduction gear train ( 12 ). The electric motors ( 14 ) are operable to generate mechanical power generated by the combination of the electric motors ( 14 ) is coupled to the axle engaging means ( 20 ) via the reduction gear train ( 12 ) to wind a roller shutter of the roller shutter assembly onto or off an axle. |
申请公布号 |
US2008163989(A1) |
申请公布日期 |
2008.07.10 |
申请号 |
US20050592392 |
申请日期 |
2005.03.11 |
申请人 |
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发明人 |
SALES MICHAEL PAL;CORBOY STEPHEN NOEL |
分类号 |
E05F15/16;E05F15/10;E06B9/70 |
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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