发明名称 |
Telescopic feed beam for rock drill |
摘要 |
A telescopic feed beam for a rock drill includes a lower beam and an upper beam arranged to move with respect to each other in the longitudinal direction. The cross section of the lower beam is such that there is a groove-like open space at the bottom of the lower beam and a transfer cylinder between the lower beam and the upper beam is mounted in the groove. |
申请公布号 |
ZA200609400(B) |
申请公布日期 |
2008.07.30 |
申请号 |
ZA20060009400 |
申请日期 |
2006.11.13 |
申请人 |
SANDVIK MINING AND CONSTRUCTION OY |
发明人 |
VOIMANEN, JANNE;PIIPPONEN, JUHA |
分类号 |
E21B;E21B7/02;E21B15/04;E21B19/086 |
主分类号 |
E21B |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|