Device for producing drilled holes with undercut
US5458530A · kind A · utility
0Cited by
8References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1994 |
| Grant date | Oct 17, 1995 |
| Priority date | — |
| Expiry date | Jun 7, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23B51/0027
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A device for producing drilled holes with an undercut has a swivel bearing, a drill shank mounted in the swivel bearing, swivelling means displacing the drill shank in a gyratory movement about a center line of drilling, a displacement element projecting at one side from the swivel bearing and displacing the drill shank against a resilient restoring force, and a ring around which the displacement element moves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.