Retractable abrasive sharpener and carrying case
US7553220B2 · kind B2 · utility
8Cited by
20References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 11, 2007 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Oct 11, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24D15/06
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hand held retractable abrasive sharpener having a rod formed with a tapered end portion and a partially cylindrical opposite end portion. A part of the partially cylindrical opposition end portion is flat. A slot is formed in the rod. Substantially all of the outer surfaces include layers of the rod have an abrasive material. The rod is carried in a carrying case for transport and storage in a locked relationship and being capable of being released and withdrawn for sharpening with carrying case serving as a holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.