Hand-held compass saw
US7047651B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2003 |
| Grant date | May 23, 2006 |
| Priority date | — |
| Expiry date | Apr 11, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23D61/128
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A power compass saw with a housing that accommodates a lifting rod for the up and down movement of a longitudinal saw blade attached thereto, has a toothed side and a saw blade back and with a guide roller which supports the saw blade back and has a central groove into which the saw blade extends with its saw blade back and is guided therein, the central circumferential groove has tapered groove sides with a 5° taper, the saw blade back has a straight portion and an end beveled portion with beveled edges having a 7° taper at both sides, the saw blade back has diametrically opposed edges provided at a transition from the straight portion to the beveled portion, and the saw blade back has a width which is measured between the diametrically opposed edges and is greater than a width of a bottom of the circumferential groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.