Patent ID: 6318848
Filing Date: 2001-11-20
Classification: B41J

Abstract:
A liquid jet head provided with discharge ports formed in discharge port formation areas for discharging liquid, liquid flow paths conductively connected with said discharge ports, bubble generating areas for creating bubbles in said liquid, and movable members arranged to face said bubble generating areas, each said movable member having a free end in a position relatively near to a respective one of said discharge ports with respect to a fulcrum thereof,each said movable member being arranged at a position where the free end of each said movable member is located such that each said bubble generating area is in fluid communication with the said respective discharge port such that a line tangent to the free end of each said movable member reaches directly a respective one of said discharge port formation area at a liquid flow path side when each said movable member is not displaced before the creation of a bubble on each said bubble generating area, and with this position as a reference, each said movable member moves after the creation of the bubble on each said bubble generating area.