Patent · US Expired

Original sheet carrying and illuminating device for use in electrophotographic copying machine

US4043666A · kind A · utility

0Cited by
6References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 24, 1976
Grant dateAug 23, 1977
Priority date
Expiry dateMar 24, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/602
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An original sheet carrying and illuminating device for use in an electrophotographic copying machine and which is provided with first and second carrying means driven at a predetermined speed to carry an original sheet, the portion of the second carrying means participating in carrying the sheet being shorter than the first carrying means, the second carrying means being provided with means for pneumatically attracting the sheet onto the second carrying means, and there being further provided first and second lighting means selectively energized to illuminate either of the surfaces of the sheet.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.