Knife sharpener
US5005319A · kind A · utility
53Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 22, 1989 |
| Grant date | Apr 9, 1991 |
| Priority date | — |
| Expiry date | Aug 22, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B3/546
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A knife sharpener includes a sharpening member having a flat outer face with abrasive particles mounted thereon. The sharpening member is orbitally driven to impart an orbital motion to each of the particles of no greater than 3/8 inch effective diameter and an orbital velocity of no greater than 1500 feet per minute.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.