| 发明名称 |
Load carrying and lifting apparatus |
| 摘要 |
A load carrying apparatus is supported on wheels and has a load-bearing member which is raised or lowered by a gear system operating a lead screw to raise and lower a load. Ground wheels are disposed on retractable arms to enable passage through restricted spaces and doorways. |
| 申请公布号 |
US2004195789(A1) |
申请公布日期 |
2004.10.07 |
| 申请号 |
US20040817672 |
申请日期 |
2004.04.02 |
| 申请人 |
CHRISTENSEN LOUIS S. |
发明人 |
CHRISTENSEN LOUIS S. |
| 分类号 |
F16M11/18;F16M11/28;F16M11/42;(IPC1-7):B62B1/00 |
主分类号 |
F16M11/18 |
| 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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