Machine that quadrates documents
US4200239A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1978 |
| Grant date | Apr 29, 1980 |
| Priority date | — |
| Expiry date | Jul 14, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/64
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A machine that quadrates documents comprising a stationary plate having along one edge a plurality of transversely-spaced cutting edges defining a cutting area, a rotor having axially thereof and radially-spaced from its axis a plurality of complementary cutting edges supported for rotation with the rotor about an axis parallel to the edge of the stationary plate for movement of the cutting edges in shearing relation to the cutting edges on the stationary plate and sheet-feeding rolls for advancing the documents to be quadrated along the surface of the stationary plate onto the cutting area to present a portion thereof to the cutting edges in timed relation to movement of the cutting edges into cutting relation with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.