Patent · US Expired

Belt member incorporated in image forming apparatus

US6993270B2 · kind B2 · utility

10Cited by
9References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 2003
Grant dateJan 31, 2006
Priority date
Expiry dateOct 25, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/19
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A belt member is formed with a seam portion by overlapping and adhering both longitudinal end portions thereof to constitute an endless belt stretched and circulated by a rotative, first stretching member and a second stretching member. A length of the seam portion is no less than a length between a first point at which the endless belt is separated from one of the first stretching member and the second stretching member and a second point at which the endless belt is brought into contact with the other one of the first stretching member and the second stretching member.

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