US Patent 7540604 Inkjet recording apparatus

It is rendered possible to attach and detach an inkjet line head chassis to and from a controller housing in an inkjet recording apparatus. To this end, the inkjet recording apparatus in which the inkjet line head chassis (2) is detachably attached to a portion of the controller housing (1) comprises: a bracket (4) mounted to the controller housing and movable upward and downward, the bracket supporting the inkjet line head chassis so that the chassis can be attached and detached unidirectionally; a drive plate (18) mounted in the controller housing so as to be rotatable in a plane parallel to a direction in which the bracket is moved vertically; a link mechanism for coupling the drive plate and the bracket to move the bracket vertically when the dive plate is rotated; and a fluid cylinder (19) coupled to the drive plate.