Patent ID: 7131716
Filing Date: 2006-11-07
Classification: B41J

Abstract:
1. An ink jet printer head, comprising: at least one ejector unit having, in one of opposite surfaces thereof, a plurality of nozzles each of which ejects a droplet of ink toward a recording medium; a cover member which has at least one first opening and is fixed to said one surface of said at least one ejector unit such that the nozzles of said at least one ejector unit are exposed through said at least one first opening; a frame member including a bottom wall to which the other surface of said at least one ejector unit is fixed; at least one sealing portion which seals a first to-be-sealed portion of the one surface of said at least one ejector unit and a second to-be-sealed portion of the cover member to each other continuously along an entire periphery of said at least one first opening of the cover member; at least one first adhering portion which adhere to a first exposed edge portion of the other surface of said at least one ejector unit, and additionally adheres to a second exposed portion of the cover member that is different from the second to-be-sealed portion thereof and is adjacent to said first exposed edge portion of said at least one ejector unit, so as to fix said at least one ejector unit and the cover member to each other and thereby provide a subassembly including said at least one ejector unit and the cover member; and at least one second adhering portion which adheres, and thereby fixes, the subassembly including said at least one ejector unit and the cover member, to the bottom wall of the frame member, such that the other surface of said at least one ejector unit is fixed to the bottom wall of the frame member.