发明名称 STABILISING BAND FOR A ROLLER ASSEMBLY
摘要 The invention relates to a stabilising band for a roller assembly of the typ e used in the drilling industry. The roller assembly includes a roller pin mounted within a bore of a roller and the stabilising band is configured so as to fit tightly about the roller pin with a minimal running fit and within an annular groove formed in a wall of the bore of the roller.
申请公布号 CA2523767(A1) 申请公布日期 2004.11.18
申请号 CA20042523767 申请日期 2004.04.15
申请人 EXTREME MACHINING AUSTRALIA PTY LTD 发明人 KENNEDY, JOHN FRANCIS
分类号 E21B10/22;E21B10/30;(IPC1-7):E21B10/30 主分类号 E21B10/22
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