Patent · US Expired

Copying apparatus with drum or fixing roller cleaning belt driven from document scanner

US4939552A · kind A · utility

16Cited by
4References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 31, 1988
Grant dateJul 3, 1990
Priority date
Expiry dateAug 31, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/041
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A cleaning device for cleaning the surface of an element of a copying apparatus to be cleaned by contacting a cleaning web therewith is connected to a driving mechanism of a scanning member of the copying apparatus and is driven in correlative movement with the scanning member. It is driven only when the scanning member returns to its original position by a one way clutch and by a constant amount of movement irrespective of the amount of movement of the scanning member.

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