发明名称 Pin type tooth retention system
摘要 An excavator tooth assembly with an adapter and retaining means comprising an elastomer insert with a longitudinal hole therethrough in which a retaining pin is located to resiliently bias the tooth against an adapter, the assembly being simple and inexpensive.
申请公布号 US4324057(A) 申请公布日期 1982.04.13
申请号 US19790047292 申请日期 1979.06.11
申请人 WHITE, KENNETH M. 发明人 WHITE, KENNETH M.
分类号 E02F9/28;(IPC1-7):E02F9/28 主分类号 E02F9/28
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