US Patent 7419245 Ink-jet head

An ink-jet head comprises a passage unit, a reservoir unit, an actuator unit, and a flexible cable. The reservoir unit stores ink in an ink reservoir, and supplies the ink into the passage unit. The actuator unit is fixed to a portion of the passage unit spacedly confronting the reservoir unit. The flexible cable is connected with the actuator unit in order to supply a drive signal to the actuator unit. A channel is formed in the reservoir unit, the channel penetrating through the reservoir unit in a direction across a face of the passage unit where the actuator unit is fixed. The flexible cable connected with the actuator unit is extended out through the channel.