Patent ID: 8226211
Filing Date: 2012-07-24
Classification: B41J

Abstract:
1. A liquid discharge head which discharges a liquid, comprising: a channel unit including: an actuator unit which selectively applies a discharge pressure to the liquid in the first and second pressure chambers; wherein the first and second pressure chamber arrays are arranged on one side and the other side of the common liquid chamber in the intersection direction, respectively, such that the first and second pressure chambers are arranged in a staggered manner in the one direction; wherein each of the first connecting channels extends in the intersection direction from one of the first pressure chambers in a portion of the channel unit between the second pressure chambers, up to an area, of the channel unit, not overlapped with the common liquid chamber on the other side of the common liquid chamber to make communication with the common liquid chamber; wherein each of second connecting channels extends in the intersection direction from one of the second pressure chambers in a portion of the channel unit between the first pressure chambers, up to an area, of the channel unit, not overlapped with the common liquid chamber on the one side of the common liquid chamber to make communication with the common liquid chamber; and wherein the first connecting channels and the second connecting channels are arranged alternately in relation to the one direction.