Patent ID: 9144974
Filing Date: 2015-09-29
Classification: B41J

Abstract:
1. A liquid jet head comprising: an ejecting portion having a first head chip and a second head chip for jetting liquid, the first head chip and the second head chip being laminated with each other; a circuit board for outputting a drive signal for driving the ejecting portion, the circuit board including an external device connecting terminal portion for electrically connecting the circuit board and an external device to each other, and a window portion for allowing the external device connecting terminal portion to be exposed to the outside; a first connection board electrically connecting the first head chip and the circuit board to each other; and a second connection board electrically connecting the second head chip and the circuit board to each other, wherein a first end of the first connection board and a first end of the second connection board are separately formed on any two lateral sides of the circuit board, and wherein, by bending at least any one of the circuit board, the first connection board and the second connection board at a bend portion provided in at least any one of the circuit board, the first connection board and the second connection board, a second end of the first connection board and a second end of the second connection board are made to extend in the same direction.