Drilling apparatus
US8382402B2 · kind B2 · utility
2Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2008 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Nov 25, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/96
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A drilling apparatus capable of having a minimal axial length to permit its use within limited confines. The drilling apparatus includes a housing with a housing bore and a first housing end, a spindle rotatably supported within the housing bore, bearing elements within the housing bore and surrounding the spindle to rotatably support the spindle within the housing, and a drive unit for rotating the spindle. The spindle is configured to secure a shank of a drill bit at a first end thereof exposed at the first housing end, and the drive unit is transversely offset from an axis of rotation of the spindle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.