Patent · US Active

Image forming apparatus performing double-sided printing

US7431520B2 · kind B2 · utility

0Cited by
5References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 2005
Grant dateOct 7, 2008
Priority date
Expiry dateOct 16, 2026

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J13/14
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An image forming apparatus is provided and includes a platen roller and a thermal printing head. The thermal printing head is elastically biased toward the platen roller and rotates about a pivot of the platen roller for moving between first and second positions to faces first and second surfaces of a medium. A transfer portion has driving and driven rollers which are rotatably engageable with each other to transfer the media. A guiding unit reduces a difference of media transfer force of the transfer portion when the thermal printing head is respectively located in the first and second positions.

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