Document registration system
US4506978A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1983 |
| Grant date | Mar 26, 1985 |
| Priority date | — |
| Expiry date | Jul 1, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B27/625
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a document handling apparatus for registered feeding of document sheets to the imaging station of a copier with a document imaging station transport, and a document sheet acquisition and initial registration system for feeding document sheets to the document imaging station transport, the improvement wherein said document sheet acquisition and initial registration system includes a sheet inversion path with a sheet inverting roller and spaced plural sheet retaining belts partially wrapped around the inverting roller to provide separate document sheet lead edge capturing nips therewith, and to provide a non-slip document feeding path when a document is held between the plural belts and the roller, and with apparatus for mounting a central one of the plural belts differently from the other belts for centrally engaging a document sheet in a registration nip with the central belt prior to engagement of a document sheet in the capture nips of the other belts. Preferably the document imaging station transport includes a document imaging transport belt extending around the inverting roller to form the operative outer surface thereof against which document sheets are held by the plural …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.