Rotary blade sheet material cutter with sharpener
US4643061A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 30, 1985 |
| Grant date | Feb 17, 1987 |
| Priority date | — |
| Expiry date | May 30, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/313
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cutter for cutting fabric and similar sheet materials spread on a supporting surface includes a rotary cutting blade and an associated sharpening element in the form of a rotary sharpening disk or similar element. A simplified sharpening apparatus and procedure is obtained wherein both the cutting blade and the sharpening element are continuously driven by a single drive motor and wherein the sharpening element is periodically moved along its axis of rotation into and out of sharpening engagement with the cutting blade to sharpen or renew the edge on the blade, such a sharpening event if desired occuring while the blade remains in cutting relation with the material being cut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.