Patent ID: 6464345
Filing Date: 2002-10-15
Classification: B41J

Abstract:
A liquid discharging head, comprising:a discharge port for discharging liquid; a liquid passage provided with bubble-generating means for generating a bubble in the liquid supplied via a liquid supply port, said liquid passage communicating with said discharge port at one end of said liquid passage; and a movable member arranged apart from said discharge port by a gap in said liquid passage corresponding to said bubble-generating means, wherein a projected area of said movable member on said liquid supply port is larger than an opening area of said liquid supply port, said bubble-generating means is arranged on a wall facing a wall to which said liquid supply port in said liquid passage is open, said movable member comprises a fulcrum at one end of said liquid passage and a free end on a closed side of said liquid passage, said bubble-generating means is arranged to face said free end, and said liquid supply port is open to said liquid passage on a side of said fulcrum, and said discharge port is positioned on the side of said fulcrum.