Recycling automatic document feeder
US5186446A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1991 |
| Grant date | Feb 16, 1993 |
| Priority date | — |
| Expiry date | Oct 2, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00337
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A recycling automatic document feeder (RADF) for use with a copier or similar equipment for feeding a stack of documents to an illuminating position one by one, then returning each document, and repeating the cycle to illuminate the documents a plurality of times. A gate pawl is located movable into and out of contact with a document table. A feeding section has feeding means for feeding, a stack of documents on the table one by one. A transporting section transports the document fed from the feeding section to a predetermined illuminating position and, then, discharges the document. A returning section turns over the document transported by transporting means. The returning section returns the document discharged to the top of the stack of documents. Sensors sense a condition in which the documents are fed or transported. A controller performs control in response to output signals of the sensors such that when the stack of documents is to be illuminated a plurality of times, the gate pawl is moved away from the table after the illumination of the last document of the first cycle to start the feed of the second cycle, then the gate pawl is brought into contact with the top of the s…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.