Drilling device for producing drilled holes with an undercut
US5702212A · kind A · utility
8Cited by
6References
7Claims
0Family size
Inventors
Key dates
| Filing date | Apr 16, 1996 |
| Grant date | Dec 30, 1997 |
| Priority date | — |
| Expiry date | Apr 16, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/93
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a drilling device for producing drilled holes with an undercut, in particular in facing panels of stone, ceramics, concrete or similar materials a drive motor of a drilling shaft is mounted so as to swivel, is displaced outward by a sloping surface, and is driven by a lead screw gear unit to perform a precession movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.