Saw chain having drive link with guard feature
US6748840B2 · kind B2 · utility
14Cited by
15References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 7, 2002 |
| Grant date | Jun 15, 2004 |
| Priority date | — |
| Expiry date | Aug 7, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/925
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A saw chain for a chain saw including alternating center and side link pairs with certain of said side links being cutting links and certain of said center links preceding said cutting links having guard portions to inhibit kick back. Said guard portions including a forward and rearward guard portion, the rearward guard portion in overlapping relation with a depth guide of the cutting link. A relief spacing between the guard portions facilitates chip carriage and the guard portions cooperatively form a ramp to guide wood being cut over and onto the depth gauge for controlling the depth of cut taken by the cutting link.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.