| 发明名称 |
ECCENTRIC CONES FOR ROCK CUTTING |
| 摘要 |
A backreaming assembly having an elongate rotatable tool shaft and a plurality of cutting elements. The tool shaft is disposed on a tool axis and has a first end and a second end. Each cutting element is supported on the shaft in side-to-side relationship. Each cutting element is rotatable with respect to the shaft and with respect to each other. Each cutting element has a center offset from the tool axis. |
| 申请公布号 |
US2016340981(A1) |
申请公布日期 |
2016.11.24 |
| 申请号 |
US201615158240 |
申请日期 |
2016.05.18 |
| 申请人 |
Earth Tool Company LLC |
发明人 |
Wentworth Steven W.;Crane Robert F.;Randa Mark D. |
| 分类号 |
E21B10/26;E21B7/28 |
主分类号 |
E21B10/26 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A tool, comprising:
an elongate rotatable tool shaft disposed on a tool axis and having a first end and a second end; and a plurality of cutting elements supported on the shaft in side-to-side relationship, each cutting element rotatable with respect to the shaft and with respect to each other and having a center offset from the tool axis. |
| 地址 |
Lake Mills WI US |
