发明名称 |
DOOR CLOSER |
摘要 |
<p>A door closer comprising a drive spindle which is operably connected to a first spring configured to apply a first closing torque to the drive spindle, wherein the drive spindle is also operably connected to a second spring configured to apply a second closing torque to the drive spindle, wherein the connection between the first spring and the drive spindle is independent from the connection between the second spring and the drive spindle, and wherein variation of the first closing torque as a function of drive spindle orientation is different from variation of the second closing torque as a function of drive spindle orientation.</p> |
申请公布号 |
EP2553197(A1) |
申请公布日期 |
2013.02.06 |
申请号 |
EP20110715725 |
申请日期 |
2011.03.28 |
申请人 |
INGERSOLL RAND SECURITY TECHNOLOGIES |
发明人 |
HENSH, SOMNATH;RAMADAS, BARATH, COUMAR |
分类号 |
E05F3/10;E05F1/10;E05F1/12 |
主分类号 |
E05F3/10 |
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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