Patent ID: 8439481
Filing Date: 2013-05-14
Classification: B41J,Y10T

Abstract:
1. A liquid dispenser comprising: a liquid supply channel; a liquid return channel including a vent; a liquid dispensing channel including a wall, the wall including a surface, a portion of the wall defining an outlet opening, the outlet opening including a downstream edge relative to a direction of liquid flow through the liquid dispensing channel, the downstream edge being sloped relative to the surface of the wall of the liquid dispensing channel; a liquid supply that provides liquid that flows from the liquid supply channel through the liquid dispensing channel to the liquid return channel; and a diverter member that selectively diverts a portion of the flowing liquid through the outlet opening of the liquid dispensing channel, wherein the liquid provided by the liquid supply is provided under pressure sufficient to cause the liquid to serve as the primary motive force for liquid ejection through the outlet opening.