Method and apparatus for sharpening a knife
US4807399A · kind A · utility
70Cited by
4References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 9, 1986 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Oct 9, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B3/546
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A knife sharpener is provided with a pre-sharpening section and with two honing sections. The pre-sharpening section includes a pair of spring biased back to back rotary disks. The honing sections include orbitally driven sharpening members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.