Drilling tool
US8956091B2 · kind B2 · utility
6Cited by
14References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2008 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Apr 5, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/95
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a drilling tool including: a shank located at a tip side of a tool main body; and a bit located at a tip side of the shank, the shank and the bit (connection body) are connected to each other via screws, and a guide part for center alignment for aligning the centers of the shank and the bit is formed in the vicinity of screw portions of the shank and the bit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.