发明名称 Clamp
摘要 A clamp comprises two opposed generally 'C' shaped components each of which co-operates with a wedge formation on the other of the components in a manner which upon the drawing together of the two components the wedge formation effectively reduces the space between the limbs of the generally 'C' shaped formation of the other component.
申请公布号 US4305561(A) 申请公布日期 1981.12.15
申请号 US19780948862 申请日期 1978.10.05
申请人 COAL INDUSTRY (PATENTS) LIMITED 发明人 HUNTER, RODNEY J. A.;MAPPIN, HENRY
分类号 E01B25/24;E21D11/14;E21F17/02;(IPC1-7):A47B96/06 主分类号 E01B25/24
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