Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 4, 2023
0Patent Application Number
175524700
Date Filed
December 16, 2021
0Patent Citations
Patent Citations Received
Patent Primary Examiner
A cartridge includes a liquid containing portion and a liquid supply portion that includes a cartridge side valve mechanism, the cartridge side valve mechanism includes a cartridge side valve seat in which a cartridge side valve hole is formed, a cartridge side valve body that stops the cartridge side valve hole and has a tip surface positioned adjacent to the supply opening, and a cartridge side urging member that urges the cartridge side valve body in a direction toward the cartridge side valve seat, and the cartridge side valve body has a protrusion that protrudes from the tip surface and pushes the device side valve body to open the device side valve body.
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