Global Patent Index - EP 0161795 B1

EP 0161795 B1 19880113 - DEVELOPING APPARATUS

Title (en)

DEVELOPING APPARATUS

Publication

EP 0161795 B1 19880113 (EN)

Application

EP 85302499 A 19850409

Priority

  • JP 7252784 U 19840516
  • JP 7252884 U 19840516
  • JP 7252984 U 19840516

Abstract (en)

[origin: EP0161795A1] A developing apparatus with a stirring roller for effecting frictional charging of toner particles and uniform mixing of a toner and a carrier, said stirring roller rotating in the same direction as the rotation direction of the developer delivery sleeve and being provided with a plurality of stirring vanes, an earing plate for controlling the earing length of a magnetic brush formed on the developer delivery sleeve, and a developer flow guiding machanism arranged above the stirring roller, wherein the top end of each stirring vane is bent in the rotation direction of the stirring roller and a notch is formed on each stirring vane, a spiral passage is formed on the stirring roller by the notches of the stirring vanes, and the developer flow guiding mechanism comprises a partition plate and a plurality of guide plates arranged at predetermined intervals at least on the upper face of the partition plate.

IPC 1-7

G03G 15/09

IPC 8 full level

B07B 9/00 (2006.01); G03G 15/08 (2006.01); G03G 15/09 (2006.01)

CPC (source: EP)

B07B 9/00 (2013.01); G03G 15/0822 (2013.01); G03G 15/09 (2013.01)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0161795 A1 19851121; EP 0161795 B1 19880113; DE 3561423 D1 19880218; DE 3561423 T 19880218

DOCDB simple family (application)

EP 85302499 A 19850409; DE 3561423 T 19850409