Patent · US Expired

Developer regulation member and developing apparatus

US7239832B2 · kind B2 · utility

3Cited by
12References
46Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 14, 2004
Grant dateJul 3, 2007
Priority date
Expiry dateSep 28, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0875
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A developer regulation member includes developer regulation device for regulating an amount of developer carried on a developer carrying member. The developer regulation device includes a first regulation portion formed of a first material which has a Shore D hardness of not less than 70 degrees or is metal, and a second regulation portion which is disposed opposite to the developer carrying member and is formed of a material different from the first material for the first regulation portion. The second regulation portion has an edge which is in contact with the developer carrying member.

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