发明名称 Sleeve insert mounting for mining pick
摘要 A rotatable tool which includes a pick carrier having a recess which receives one end of a rod-shaped support secured thereto, an opposite end of the rod-shaped support as a right-cylindrical bore opening axially outwardly of an end face thereof, a pick bit is formed by a shaft having a right-cylindrical bore and a bit-end, and the shaft is received in a split sleeve which in turn is received in the bore to press-fit the bit in the bore.
申请公布号 US4647111(A) 申请公布日期 1987.03.03
申请号 US19850736720 申请日期 1985.05.22
申请人 BELZER-DOWIDAT GMBH WERKZEUG-UNION 发明人 BRONDER, WALTER;SPIEKERS, GERD
分类号 E21B10/56;E21C35/18;E21C35/183;(IPC1-7):E21C25/12 主分类号 E21B10/56
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