Recording head
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United States of America Patent
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-
Nov 10, 2015
Grant Date -
Aug 7, 2014
app pub date -
Feb 3, 2014
filing date -
Feb 4, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A recording head includes an ejection portion configured to eject ink, a first flow path forming member and a second flow path forming member joined to each other between which a flow path for supplying ink to the ejection portion, a buffer chamber for keeping gas, and a communication passage between the flow path and the buffer chamber are formed, a through-hole formed on the second flow path forming member configured to penetrate the second flow path forming member to open onto a surface on an opposite side of a joint surface facing the first flow path forming member, and a communication port formed at a position facing an interior of the buffer chamber, configured to communicate with the through-hole, wherein the communication port is arranged at a position higher than a wall of a top surface that constitutes a communication passage in a usage state of the recording head.
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