Liquid cartridge including communication passage and sealing member fitted thereto
US10611164B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 31, 2018 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Aug 31, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17566
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
There is provided a liquid cartridge attachable to an attachment portion. The attachment portion includes: a holder providing an accommodation space; a tube formed with an opening; a valve movable between an open position opening the opening and a closed position closing the opening; a protrusion protruding from the valve toward the accommodation space; and a spring urging the valve toward the closed position. The liquid cartridge includes: a liquid chamber; a communication passage extending from the liquid chamber in a first direction to have an open end; a sealing member fitted to the communication passage; and a surface positioned closer to the liquid chamber than the sealing member to the liquid chamber in the first direction. In an attached state, the tube extends through the open end and sealing member, the opening is positioned in the communication passage, and the surface is in contact with the protrusion and tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.