Patent ID: 8845070
Filing Date: 2014-09-30
Classification: B41J,Y10T

Abstract:
1. An ink-jet print head comprising: a support member including a flat portion with an ink supply aperture and an ink discharge aperture formed therein and a recess portion; a base plate fitted in the recess portion; a nozzle plate placed over the base plate with a predetermined spacing from the base plate and including a plurality of nozzles formed therein, the nozzles facing the base plate and not facing the ink discharge aperture; an actuator disposed between the base plate and the nozzle plate and including a pressure chamber provided for each corresponding nozzle, and piezoelectric members that form walls for the pressure chambers which are deformable; and a frame member disposed between the base plate and the nozzle plate, both ends of the frame member having portions that project toward the flat portion of the support member, the ink supply aperture and the ink discharge aperture being arranged inside an area surrounded by the projecting portions of the frame member, and the nozzle plate being joined to the frame member and having a lower surface that abuts the piezoelectric members.