Patent · US Active

Development device and image forming apparatus

US7965965B2 · kind B2 · utility

2Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 18, 2009
Grant dateJun 21, 2011
Priority date
Expiry dateNov 18, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0634
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Provided is a development device including: a development roller in which continuous spiraling inclined grooves having different inclinations with respect to an axial direction are formed so as to cross each other; and a feed roller which is in contact with the development roller and feeds toner to the development roller, wherein transportation force, which is used for transporting the toner on the development roller from one side to the other side of the axial direction of the development roller, is generated by the rotation of the feed roller.

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