Patent ID: 7399058

Claim:
A liquid jet head comprising: at least two independent head units each having a plurality of heads, wherein each of the heads comprises a linear array of nozzles which are arrancied in a first direction and which eject at least liquid droplets, in each of the at least two head units, the plurality of heads are arranged in parallel at a second pitch along a second direction substantially orthogonal to the first direction, the at least two head units are arranged in parallel at a first pitch along the first direction, and end portions on a first side of the heads in one of the head units are inserted and arranged in respective spaces between end portions on a second side of the heads in an adjacent one of the head units; each of the head units comprises a holding member having a plurality of head attachment portions provided at the second pitch, and the plurality of heads of each of the head units are attached to the head attachment portions; and a width of each of the plurality of head attachment portions along the first direction is formed shorter than a length of the linear array of nozzles of each of the plurality of heads.