Patent · US Expired

Ink cartridge

US7178911B2 · kind B2 · utility

14Cited by
30References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 2006
Grant dateFeb 20, 2007
Priority date
Expiry dateMar 29, 2026

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J29/02
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink cartridge includes a cartridge case; an ink chamber situated within the cartridge case; an ink supply opening formed in the cartridge case for supplying ink from the ink chamber to an exterior of the cartridge; and a lever mechanism provided in the ink chamber, the lever mechanism including a light blocking member at a first end of the lever mechanism, the lever mechanism being rotatable about a rotation point on the lever mechanism, and the light blocking member being movable in association with rotation of the lever mechanism.

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