Knife sharpener
US4528777A · kind A · utility
17Cited by
10References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1984 |
| Grant date | Jul 16, 1985 |
| Priority date | — |
| Expiry date | Jan 30, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B3/54
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A knife sharpening device having a grinding element adapted to be moved into the knife edge in a spiral path through a 180.degree. traverse and reverse, simultaneously moving longitudinally throughout the length of the knife's edge. A blade stropping element may be contained as an insert in the grinding element to strop the knife's edge during the reverse traverse.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.