Inkjet head
AssigneeBrother Kogyo Kabushiki Kaisha
InventorNaoki Katayama
Life of this patent
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Abstract
An inkjet head has a channel unit including a manifold extending in one predetermined direction and a plurality of individual ink channels extending from the manifold to nozzles through pressure chambers respectively. The channel unit has a plurality of manifold plates for forming the manifold, damper plates provided between two plates of the plurality of manifold plates and communication holes. The damper plates partition the manifold into two spaces and have a damper chamber for absorbing a fluctuation of ink pressure in the manifold. The two spaces partitioned by the damper plates communicate with each other through the communication holes.
Claims13
An inkjet head comprising:
- a channel unit which includes a common ink channel which extends in one predetermined direction, and a plurality of individual ink channels extending from the common ink channel to nozzles through pressure chambers respectively, wherein
- the channel unit includes:
- a plurality of common ink channel formation plates forming the common ink channel;
- and a damper portion provided between two plates included in the plurality of common ink channel formation plates,
- the damper portion includes a damper chamber, and partitions the common ink channel into two spaces,
- the channel unit includes at least one communication channel which allows the two spaces partitioned by the damper portion to communicate with each other.
Dependencies are inferred from the claim text.