Hand-held knife sharpener
US5163251A · kind A · utility
36Cited by
5References
2Claims
0Family size
Inventor
Key dates
| Filing date | Jul 22, 1991 |
| Grant date | Nov 17, 1992 |
| Priority date | — |
| Expiry date | Jul 22, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24D15/081
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A handy knife sharpener comprising two symmetric side frames connected together to hold two crossed abrasive rods therein for sharpening cutting tools, wherein the peripheral edge thereof comprises a hand-hold portion at one end for comfortable and positive grip, a bevel slot at the top for supporting and guiding the knife to be sharpened, a sloping surface portion at an opposite end at right angle relative to said bevel slot for stopping against the ground of a work table. The position of each abrasive rod can be changed once it is worn at a fixed area on the peripheral grinding surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.