| 发明名称 |
DRILLING APPARATUS AND METHOD |
| 摘要 |
A drill bit has a shank adapted to be attached to a power tool and a cutting portion adapted to drill a hole in a material. A collar is spaced along the length of the drill bit to set a depth distance that the drill bit is allowed to be inserted into a material being drilled. The drill bit further comprises a first engagement structure. A sleeve comprises a second engagement structure that is releasably engageable with the first engagement structure. The sleeve further comprises a coupling mechanism for connecting the sleeve to a fastener driver. |
| 申请公布号 |
US2015101177(A1) |
申请公布日期 |
2015.04.16 |
| 申请号 |
US201314051914 |
申请日期 |
2013.10.11 |
| 申请人 |
Irwin Industrial Tool Company |
发明人 |
Hall Ryan;Eggers Rainer;Franklin Kim |
| 分类号 |
B23B51/08 |
主分类号 |
B23B51/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A drilling apparatus comprising:
a drill bit comprising a shank adapted to be attached to a power tool, a cutting portion adapted to drill a hole in a material and a collar spaced along the length of the drill bit and a first engagement structure; a sleeve comprising a second engagement structure releasably engageable with the first engagement structure and a coupling mechanism for connecting the sleeve to a fastener driver. |
| 地址 |
Huntersville NC US |
