Patent ID: 8939553
Filing Date: 2015-01-27
Classification: B41J

Abstract:
1. A head chip for a liquid jet head of a liquid jet recording apparatus, the head chip comprising: an actuator plate having, in one side surface thereof, a plurality of liquid jet channels arranged in a longitudinal direction of the head chip; a flow path plate mounted to the one side surface of the actuator plate and covering the plurality of liquid jet channels; and a nozzle plate having a plurality of nozzle holes communicating with the plurality of liquid jet channels, wherein the flow path plate has a first circulation path and a second circulation path extending in the longitudinal direction of the head chip and communicating with each of the plurality of liquid jet channels, and wherein the first circulation path communicates with a first inflow port at one longitudinal end portion of the head chip for inflowing liquid into the first circulation path and the second circulation path communicates with a second inflow port at the other longitudinal end portion of the head chip for inflowing liquid into the second circulation path so that liquid flows through the first and the second circulation paths in opposite directions while being supplied to the plurality of liquid jet channels.