Patent ID: 9044945
Filing Date: 2015-06-02
Classification: B41J

Abstract:
1. An inkjet nozzle device comprising a main chamber having a floor, a roof and a perimeter wall extending between the floor and the roof, the main chamber comprising: a firing chamber having a nozzle aperture defined in the roof and an actuator for ejection of ink through the nozzle aperture; an antechamber for supplying ink to the firing chamber, the antechamber having a main chamber inlet defined in the floor; and a baffle structure partitioning the main chamber to define the firing chamber and the antechamber, the baffle structure extending between the floor and the roof, wherein: the firing chamber and the antechamber have a common plane of symmetry, and the perimeter wall encloses the main chamber and defines sidewalls of the firing chamber and the antechamber.