发明名称 |
Overhead door with dual safety-edge |
摘要 |
A door assembly comprising a door body having a bottom edge. The door body is selectively movable up and down to open and close an opening. The door assembly further comprises a first sensor body and a second sensor body. Each sensor body is in communication with a door controller, and each sensor body has an impact portion responsive to an impact proximate the bottom edge of the door body.
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申请公布号 |
US6286257(B1) |
申请公布日期 |
2001.09.11 |
申请号 |
US20000507834 |
申请日期 |
2000.02.22 |
申请人 |
RYTEC CORPORATION |
发明人 |
GREGORIOU DANIEL J.;KONETZKI JEFFREY |
分类号 |
E05F15/00;(IPC1-7):E05F15/02 |
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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