Patent · US Active

Developer container, developing cartridge, process cartridge and image forming apparatus

US9229371B2 · kind B2 · utility

49Cited by
34References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 23, 2014
Grant dateJan 5, 2016
Priority date
Expiry dateMay 23, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0875
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A developer container includes: a developer accommodating chamber, provided with an opening, for accommodating a developer; a sealing member bonded to the developer accommodating container so as to block the opening; and a rotatable member, having a connecting surface where the sealing member is connected thereto, for peeling off the sealing member from the opening by rotation thereof. The connecting surface has a rectangular shape which has a long side with respect to a rotational axis direction of the rotatable member and which is twisted in a rotational direction of the rotatable member.

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