Drill bit grinding device
US6652367B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Oct 15, 2002 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Oct 15, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B3/24
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A grinding device includes a rotary grinding wheel having an annular grinding surface, a first grinding seat located in front of the grinding wheel, a sleeve disposed rotatably within a through hole in the first grinding seat, an abrasion measuring device for measuring amount of flank portions of a drill bit to be ground, and a tubular holding unit for holding releaseably the drill bit therein. The holding unit is sleeved on the drill bit, is disposed initially in the abrasion measuring device so as to fix position of the drill bit within the holding unit, and is then transferred into the first grinding seat for grinding the flank portions of the drill bit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.