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.
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
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