Patent ID: 7044578

Claim:
A liquid ejection head comprising: a flow path unit including a nozzle having a nozzle opening for ejecting a liquid, and a pressure chamber communicating with the nozzle in which a pressure of the liquid is changed; a head case on a surface of which the flow path unit is attached so that the nozzle opening is located on the surface of the head case; and a head cover attached on the head case for protecting the liquid ejection head, the head cover including: an opening portion from which the nozzle face is exposed, a frame portion surrounding the opening portion and supporting a peripheral edge portion of the flow path unit so that the flow path is attached to the head case, at least one protective wall portion extending from the frame portion so as to cover a side face of the head case, and a support portion formed integrally with the protective wall portion by being bent from the protective wall portion so as to extend to a surrounding direction, the support portion is adjoined to the head case; wherein a liquid restricting portion for restricting an invasion and/or storage of liquid between the head case and head cover is formed on the head cover; wherein the liquid restricting portion has a notch portion at a vicinity of a boundary of the frame portion and the protective wall portion; and wherein the notch portion includes an enclosed opening that does not communicate with the opening portion of the head cover.