| 发明名称 |
Rooftop safety apparatus for elevator servicing |
| 摘要 |
Apparatus for protecting a workman mounted upon the roof of a traction elevator car. A vertically disposed sleeve is secured to the roof top area of the car and an elongated column is slidably mounted in the sleeve. A harness is attached near the top of the column by a lanyard.
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| 申请公布号 |
US6481537(B1) |
申请公布日期 |
2002.11.19 |
| 申请号 |
US20010940118 |
申请日期 |
2001.08.27 |
| 申请人 |
OTIS ELEVATOR COMPANY |
发明人 |
MALONE, JR. THOMAS F.;ISAMAN ROBERT |
| 分类号 |
B66B5/00;B66B5/28;(IPC1-7):B66B7/00 |
主分类号 |
B66B5/00 |
| 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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