发明名称 HYDRAULIC CLAMPING DEVICE
摘要 A hydraulic clamping device (1), wherein a clamping piece (4) is supported in a structure (2), and wherein a cylinder housing (36) of a hydraulic cylinder (26) is fixedly connected to the structure (2), the hydraulic cylinder (26) being arranged to exert, along a longitudinal axis (42) of the cylinder (26), a force against the clamping piece, and wherein a piston (32) in the hydraulic cylinder (26) is isolated from the clamping piece (6) with respect to forces acting perpendicularly relative to the longitudinal axis (42).
申请公布号 CA2726637(A1) 申请公布日期 2009.12.23
申请号 CA20092726637 申请日期 2009.06.15
申请人 NATIONAL OILWELL VARCO NORWAY AS 发明人 WEBB, JONATHAN GARRICK
分类号 E21B19/16;B25B13/50 主分类号 E21B19/16
代理机构 代理人
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