Buffer tank for ink jet printer
US7178908B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 26, 2004 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Apr 28, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17566
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
There is disclosed a buffer tank for an ink jet printer, comprising: a main body having a top plate; an air intake through which outside air is taken into the tank; an air outlet passage comprising at least a part extending in the main body downward from the top plate, to flow the air in the tank out into an ink cartridge; and an ink inlet passage comprising at least a part extending in the main body downward from the top plate, to draw the ink in the cartridge into the tank. Each of the air outlet and ink inlet passages comprises a hollow needle disposed at the top plate and vertically extends, and at least one of the air outlet and ink inlet passages comprises a hollow tubular member extending downward from the top plate, whose inner space is in communication with an inner space of the corresponding needle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.