Ink jet recording apparatus and ink supply member therefor
US5963239A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1997 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | Mar 14, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17523
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet recording apparatus and printer whereby air bubbles in the ink supply path are easily expelled even where a stagnation point or flow boundary is formed within the ink jet recording apparatus in which air bubbles tend to collect inside the ink supply path. Even when the air bubbles are not completely expelled, occlusion of the ink supply path by an air bubble is also prevented. In particular, the ink jet recording apparatus includes a capillary member which defines plural capillary paths disposed within the ink supply path upstream of the stagnation point or flow boundary occurring at the connection of the recording head to ink supply tube. These capillary paths are separated a distance away from the flow boundary and included angled walls and cross sections to enable fractionation of larger, potentially ink occluding bubbles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.