Patent ID: 9050803
Filing Date: 2015-06-09
Classification: B41J

Abstract:
1. A liquid ejection head, comprising: a plurality of nozzles to eject liquid droplets; a channel member including a plurality of individual liquid chambers communicated with the plurality of nozzles; a common liquid chamber member forming a common liquid chamber to supply liquid to the plurality of individual liquid chambers; a damper member having a deformable area forming a portion of a wall of the common liquid chamber; a damper chamber formation member forming a damper chamber disposed opposing the common liquid chamber via the deformable area of the damper member, the damper member being disposed between the common liquid chamber member and the damper chamber formation member; a first adhesive disposed between the damper member and the common liquid chamber member to bond the damper member with the common liquid chamber member; a second adhesive disposed between the damper member and the damper chamber formation member to bond the damper member with the damper chamber formation member; and a filter member disposed in the common liquid chamber to filter a foreign substance from the liquid, wherein the deformable area of the damper member has a peripheral portion fringed with the first adhesive and the second adhesive, the filter member is an integral part of the damper member, the common liquid chamber member includes a first common liquid chamber member and a second common liquid chamber member, the first common liquid chamber member includes a first common liquid chamber of the common liquid chamber disposed upstream from the filter member in a direction in which the liquid is supplied to the plurality of individual liquid chambers, the second common liquid chamber member includes a second common liquid chamber of the common liquid chamber disposed downstream from the filter member in the direction in which the liquid is supplied to the plurality of individual liquid chambers, and the second common liquid chamber member is an integral part of the damper chamber formation member.