Saw blade
US5094135A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1989 |
| Grant date | Mar 10, 1992 |
| Priority date | — |
| Expiry date | Dec 6, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9358
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A reduced resistance saw blade. The saw blade of the present invention has at least two or more groups of sawteeth, the groups of the sawteeth include a first group having a plurality of the sawteeth wherein the tips of the sawteeth are substantially situated on a first imaginary curve which changes in a periodic or irregular cycle, and a second group having a plurality of the sawteeth wherein the tips of the sawteeth are substantially situated on a second imaginary curve parallel to the first imaginary curve. Also provided is a saw blade which includes sets of the sawteeth having reversed set patterns, thus providing a saw blade which is capable of restraining deviation of the cut, maintaining the balance of the lateral sets of the overall saw blade. The saw blade of the present invention includes a plurality of sets of teeth, each set comprising unset, right set and left set teeth, wherein reversed set patterns with the same number of teeth are provided alternately.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.