Patent · US Expired

Image forming apparatus and method

US6643489B2 · kind B2 · utility

13Cited by
36References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 2002
Grant dateNov 4, 2003
Priority date
Expiry dateMar 4, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0193
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus includes an image bearing member that bears visual images, a visual image forming device that forms the visual images on the image bearing member, and a two-side transfer device including a recording medium holding member spanning a plurality of stretch members to hold a recording medium thereon. The two-side transfer device transfers respective of the visual images on the image bearing member onto respective of both sides of the recording medium on the recording medium holding member while the recording medium holding member is moved in a predetermined direction. The image bearing member intrudes into a part of the recording medium holding member spanning two adjacent stretch members of the plurality of stretch members by an intrusion amount of about 0.2 mm or greater so that the recording medium holding member moves in contact with the image bearing member, having a contact width in a predetermined direction.

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