发明名称 |
Manual hydraulic dock board hold down arrangement |
摘要 |
A hydraulic hold down locking cylinder is disclosed by replacing mechanical lock arrangements commonly used on less expensive dock boards. This arrangement provides superior performance, reliability, and lower maintenance. In the preferred form all components are provided in a cylindrical casing which is mounted as a variable length locking link in the dock board.
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申请公布号 |
US5647081(A) |
申请公布日期 |
1997.07.15 |
申请号 |
US19950539064 |
申请日期 |
1995.10.04 |
申请人 |
MARLER, ARNOLD HARVEY;MARLER, STANLEY ALLEN |
发明人 |
MARLER, ARNOLD HARVEY;MARLER, STANLEY ALLEN |
分类号 |
B65G69/28;(IPC1-7):E01D1/00 |
主分类号 |
B65G69/28 |
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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