Patent ID: 7044578
Filing Date: 2006-05-16
Classification: B41J

Abstract:
1. 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: 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.