Apparatus for tensioning and deforming saw blades
US4875393A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 2, 1989 |
| Grant date | Oct 24, 1989 |
| Priority date | — |
| Expiry date | May 2, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23D63/18
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus for tensioning the metal in the saw blade, and at the same time deform the saw blade allowing the saw to cut a narrow kerf. The apparatus dishes or deforms the saw blade to remove kinks therein, it includes a support for the saw blade which permits movement in the face plane, a fist pair of rolls mounted for rotation on a single axle with a spacer therebetween, one roll having a larger diameter than the other roll, positioned to engage one face of the saw blade, a second pair of rolls, substantially the same as the fist pair of rolls, mounted for rotation on a single axle substantially parallel to the axle for the first pair of rolls, positioned to engage on the opposite face of the saw blade divertly opposite the first pair of rolls. Provision is made to move at least one of the axles axially relative to the saw blade, and to move at least one of the pairs of rolls perpendicular to the face of the saw blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.