Rotating, drivable cutter
US6089138A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1997 |
| Grant date | Jul 18, 2000 |
| Priority date | — |
| Expiry date | Jan 22, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9341
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cutter rotatably drivable about a rotational axis for cutting articles including printed products and lengths of flexible materials including paper, plastic, fabric, leather, and metal, includes a drive shaft; a circular knife holder which has a hub, which is removably connected to the drive shaft, and which has defined therein a plurality of guide grooves having a dovetail shape; a plurality of knives which are adjustably positioned within respective guide grooves, which are distributed across the circular knife holder, which have a clamping cross section that is movable within the guide grooves and is locked in place, which project beyond the circumference of the circular knife holder, and which have respective knife ends projecting beyond the circumference of the knife holder and forming a cutting plane that is perpendicular to the rotational axis of the cutter; and a clamping arrangement which extends conically from the hub to the circumference of the circular knife holder, which includes a clamping plate positioned between pairs of adjacent knives, which fastens each respective pair of adjacent knives to one another and to the knife holder in tightenable engagement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.