Ink remain detector having a flexible member and a liquid injection recording apparatus utilizing the detector
US4977413A · kind A · utility
90Cited by
5References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 1989 |
| Grant date | Dec 11, 1990 |
| Priority date | — |
| Expiry date | Oct 19, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/17586
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid injection recording apparatus having a recording head for injecting ink toward a recording medium to thereby effect recording, an ink tank storing therein ink to be supplied to the recording head, and an ink remain detector provided within a supply path communicating the recording head with the ink tank are presented. The ink remain detector has an ink chamber having at least one wall surface thereof formed of a flexible film member, and at least two detector means responsive to the displacement of the film member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.