Patent ID: 8496316

Claim:
A liquid ejection head comprising: a head main body which discharges liquid; a flow path member main body on which a liquid reception member for receiving liquid supplied from the outside is formed; a first case on which a window portion to which the liquid reception member of the flow path member main body faces is formed and which includes a first side wall that extends in a direction of the flow path member main body on a periphery; a second case on which a liquid supply path for receiving liquid supplied from the liquid reception member of the flow path member main body is formed and which includes a second side wall that extends in a direction of the flow path member main body and forms an outer wall on a periphery of a case together with the first side wall; and a first insertion portion which is provided on the flow path member main body and through which a securing member for securing the first case, the second case, and the flow path member main body to one another is inserted, wherein the first insertion portion is formed such that the outer wall covers an exposing portion from which the securing member is exposed.