发明名称 |
Loading and unloading of vehicles |
摘要 |
Apparatus for loading and unloading of vehicles such as a semi-trailer in which two pairs of continuous chains riding on their side plates extend substantially the length of the vehicle, the pairs being separated by a vertical wall, each pair of chains having a sprocket equipped drive shaft at the rear end of the vehicle with a hydraulic motor for driving the shaft and hydrauically operated struts connected to the bearing housings of the shaft for varying the chain tension.
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申请公布号 |
US4261682(A) |
申请公布日期 |
1981.04.14 |
申请号 |
US19780935698 |
申请日期 |
1978.08.21 |
申请人 |
METAL BOX LIMITED |
发明人 |
PAPPS, ROBERT K.;WEBBER, FRANK E. |
分类号 |
B60P1/38;B62D53/08;B62D53/12;(IPC1-7):B66F9/08 |
主分类号 |
B60P1/38 |
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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