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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|