Assisted braking in chain saws
US7640669B1 · kind B1 · utility
3Cited by
24References
5Claims
0Family size
Inventor
Key dates
| Filing date | Nov 25, 2005 |
| Grant date | Jan 5, 2010 |
| Priority date | — |
| Expiry date | Sep 28, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27B17/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A chain saw with a centrifugal clutch in a housing made at least partially of, or which is mounted magnetized material which aides clutch operation. An elongated support extending outward from inside the housing preferably includes at least one lateral or longitudinal slit to aid with adjusting chain saw tension or braking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.