Patent · US Expired

Image forming apparatus

US6478491B2 · kind B2 · utility

2Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 22, 2001
Grant dateNov 12, 2002
Priority date
Expiry dateJan 22, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J15/04
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An image forming apparatus having a print member for forming an image on a recording sheet while reciprocating in a predetermined direction includes a pair of conveyance rollers and a separating member for separating the of conveyance rollers from one another. A control lever for controlling the separating member is provided as is a changeover element for permitting the control lever to rotate when said print member moves in a predetermined direction and is not located at an interference area in which the print member would collide with the conveyance rollers if they were separated, and for prohibiting the control lever from rotating when the print member is located at the interference area.

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