Liquid jet head and liquid jet apparatus
AssigneeSii Printek Inc.
InventorYoshinori Domae
Life of this patent
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Abstract
A liquid jet head is provided with: a nozzle plate which includes a nozzle array having a plurality of nozzle holes arranged side by side along a Y direction; an actuator plate which is laminated on the nozzle plate and includes a channel group having a plurality of first channels communicating with the nozzle holes, the first channels being arranged in parallel at intervals along the Y direction; and an inlet ink chamber and an outlet ink chamber both communicating with the first channels on opposite ends in an extending direction of the first channels. A film member which can be warp-deformed along with pressure fluctuation inside the inlet ink chamber and the outlet ink chamber is arranged as a part of inner surfaces of each of the inlet ink chamber and the outlet ink chamber.
Claims7
A liquid jet head comprising:
- a jet hole plate including at least one jet hole array having a plurality of jet holes configured to jet liquid therefrom, the jet holes being arranged side by side along a first direction;
- an actuator plate laminated on the jet hole plate, the actuator plate including at least one channel group having a plurality of channels communicating with the jet holes, the channels being arranged in parallel at intervals along the first direction;
- and
- a first common liquid chamber and a second common liquid chamber both communicating with the channels on opposite ends in an extending direction of the channels,
- wherein a pressure buffering portion configured to be warp-deformable along with pressure fluctuation inside the first common liquid chamber and the second common liquid chamber is arranged as a part of inner surfaces of each of the first common liquid chamber and the second common liquid chamber.
Dependencies are inferred from the claim text.