Liquid discharge head, head cartridge and liquid discharge apparatus
US6439701B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2000 |
| Grant date | Aug 27, 2002 |
| Priority date | — |
| Expiry date | Jul 26, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14387
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention provides a liquid discharge head that includes a heat generating member for generating thermal energy for generating a bubble in liquid, a discharge port constituting a part for discharging the liquid, a liquid flow path communicating with the discharge port and having a bubble generating area for generating the bubble in the liquid, a movable member provided in the bubble generating area and adapted to displace with the growth of the bubble, and a limiting portion for limiting the displacement of the movable member within a desired range, the liquid discharge head being adapted to discharge the liquid from the discharge port by the energy at the generation of the bubble by the heat generating member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.