发明名称 |
Driving device and door closer |
摘要 |
A driving apparatus for driving an assisting mechanism serving as an assistant for opening operation or closing operation of a door includes a plurality of driving sources, a plurality of driving gears that is individually provided at the driving sources, and a driven gear that is engaged with each of the driving gears. The assisting mechanism is activated through rotation of the driven gear by driving of the driving sources.
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申请公布号 |
US7627986(B2) |
申请公布日期 |
2009.12.08 |
申请号 |
US20050521573 |
申请日期 |
2005.01.18 |
申请人 |
MITSUI MINING & SMELTING CO., LTD. |
发明人 |
HIRAI MAKOTO;HOSHIKAWA TSUGUO |
分类号 |
E05F15/00;E05F15/12;B60J5/00;E05B65/12;E05B65/19 |
主分类号 |
E05F15/00 |
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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