发明名称 LOCKING PIN FOR ATTACHING EXCAVATOR TOOL TO SHANK
摘要 A method of installing and removing a locking device for a two-part earth working tool having aligned openings in the two parts thereof, the locking device having an elongated metal, generally cylindrical body equipped with identical flat diametrically opposed recesses intermediate the ends with identical resiliently supported metal bearing pieces in the recesses protruding beyond the cylindrical periphery of the body whereby the steps of installation and removal include the application of balanced forces on the bearing pieces to avoid shearing thereof.
申请公布号 NZ184014(A) 申请公布日期 1979.12.11
申请号 NZ19770184014 申请日期 1977.05.04
申请人 ESCO CORP 发明人 GETTMAN H
分类号 E02F9/28 主分类号 E02F9/28
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