Global Patent Index - EP 0430098 A3

EP 0430098 A3 19930317 - FEED ROLLER

Title (en)

FEED ROLLER

Publication

EP 0430098 A3 19930317 (EN)

Application

EP 90122401 A 19901123

Priority

  • JP 31095589 A 19891129
  • JP 31096089 A 19891129
  • JP 31096189 A 19891129

Abstract (en)

[origin: EP0430098A2] In a feed roller for mixing a developer and feeding it to a developing roller, a first mixing wing (40) parallel to a rotating shaft (43) is provided, a second spiral-shape mixing wing (41) is diagonally provided in a manner to cross the first wing (40), and a spiral-shape groove (42) for feeding a powder is formed on the one side located on the forward section with respect to rotating direction and being the powder scraping-up side of the both sides of said second mixing wing (41), along said second mixing wing (41), so as to enhance the feed performance, lateral-mixing performance and lateral-feed performance of the feed roller.

IPC 1-7

G03G 15/08; B01F 7/02

IPC 8 full level

B01F 7/00 (2006.01); B01F 15/00 (2006.01); G03G 15/08 (2006.01)

CPC (source: EP)

B01F 27/05 (2022.01); G03G 15/0822 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0430098 A2 19910605; EP 0430098 A3 19930317; EP 0430098 B1 19950503; DE 69019113 D1 19950608; DE 69019113 T2 19951012

DOCDB simple family (application)

EP 90122401 A 19901123; DE 69019113 T 19901123