Automatic sharpener for chain saw
US4843718A · kind A · utility
6Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1988 |
| Grant date | Jul 4, 1989 |
| Priority date | — |
| Expiry date | Aug 11, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23D63/168
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An automatic sharpener for a chain saw in which a securing mechanism is released by a grip portion thereof, and a sleeve-like member is moved forward with respect to the main body by urging force of a spring so that the grindstone thereof can be automatically pushed forward from its retracted position upto the position at which the teeth of the saw chain are set, and a grindstone receiving body can be slightly moved forwardly or rearwardly with respect to the main body thereof by rotation of a screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.