Ink cartridge
US7178911B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2006 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Mar 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.