JP2007015272A5 - - Google Patents

Claims (10)

A container holding unit for detachably holding a liquid storage container; a liquid discharge unit for discharging the liquid supplied from the liquid storage container provided in the container holding unit; and the liquid when the liquid storage container is mounted A recording head comprising a seal member that is sandwiched between a storage container and the container holding part and seals between the liquid storage container and the container holding part,
The seal member includes a first seal portion that can contact the pressing portion of the liquid storage container, a second seal portion that is connected to the first seal portion and contacts the liquid storage container, and a third seal portion. And a flexible member having
The first seal portion is formed by a plate-like portion that connects the second seal portion and the third seal portion, and is a space closed between the seal portions and the liquid storage container. Forming a recording head. The container holding unit has a supply pipe that communicates with the liquid storage container mounted on the container holding unit and guides liquid from the liquid storage container to the liquid discharge unit,
The recording head according to claim 1, wherein the seal member is disposed around the supply pipe. The volume of the space after the liquid container is mounted on the container holding unit may be reduced from the volume before the space in which the liquid container is first mounted on the container holder The recording head according to claim 1. 4. The recording head according to claim 1, wherein the first seal portion is most greatly deformed in a state where the liquid storage container is mounted on the container holding portion . 5.   5. The first sealing portion according to claim 1, wherein the first sealing portion maintains a deformed state by a negative pressure generated in the space after the liquid storage container is attached to the container holding portion. The recording head described.   The said 2nd seal | sticker part and said 3rd seal | sticker part are formed in the position remove | deviated from just under the location where the said liquid storage container and the said 1st seal member contact | abut. Or a recording head according to any one of 5 to 5; Said first seal portion is in the initial state before the liquid container is first mounted on the container holder, according to any of claims 1 to 6, characterized in that forming the flat plate-shaped Recording head.   Each of the second seal portion and the third seal portion is formed by an annular wall portion projecting from the first seal portion, and the annular wall portion is attached to the container holding portion. The recording head according to claim 1, wherein the pressing portion of the liquid storage container protrudes in a direction parallel to a direction in which the first sealing portion is pressed.   The recording head according to claim 1, wherein the first seal portion abuts on an annular rib that forms the pressing portion of the liquid storage container. Provided in a container holding part that detachably holds the liquid storage container, and is sandwiched between the liquid storage container and the container holding part when the liquid storage container is mounted, the liquid storage container and the container holding A sealing member for sealing between the parts,
The seal member includes a first seal portion that can contact the pressing portion of the liquid storage container, a second seal portion that is connected to the first seal portion and contacts the liquid storage container, and a third seal portion. And a flexible member having
The first seal portion is formed by a plate-like portion that connects the second seal portion and the third seal portion, and is a space closed between the seal portions and the liquid storage container. Forming a sealing member.