发明名称 HYDRAULIC SYSTEM
摘要 A hydraulic system useful in combination with a hoist for raising or lowering a truck bed to and from a truck frame, including safely and controllably lowering said truck bed to said truck frame by gravity alone, is provided.
申请公布号 CA2712571(A1) 申请公布日期 2012.02.09
申请号 CA20102712571 申请日期 2010.08.09
申请人 JONES BUILDING LLLP 发明人 JONES, ELDON D.
分类号 B60P1/16;B66F3/25;F15B7/00 主分类号 B60P1/16
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