Liquid ejection recording head and liquid ejection recording apparatus
AssigneeCanon Kabushiki Kaisha
InventorHiroyuki Maeda
Life of this patent
Estimating the term…
Abstract
A liquid ejection recording head includes a liquid ejecting portion for ejecting liquid; a casing having a first side provided with the liquid ejecting portion, and a second side different from the first side; a first opening provided between the liquid ejecting portion and an edge of the first side; a second opening which is provided in the second side and which is in fluid communication with the first opening; and a projection provided in the second side between the second opening and such an edge of the second side as corresponds to the edge of the first side.
Claims12
A liquid ejection recording head comprising:
- a liquid ejecting portion for ejecting liquid;
- a casing having a first side provided with said liquid ejecting portion, and a second side different from said first side;
- a first opening provided between said liquid ejecting portion and an edge of said first side;
- a second opening which is provided in said second side and which is in fluid communication with said first opening;
- and
- a projection provided at said second side between said second opening and an edge of said second side that corresponds to said edge of said first side.
A liquid ejection type recording apparatus, comprising:
- a liquid ejection recording head including
- a liquid ejecting portion for ejecting liquid,
- a casing having a first side provided with said liquid ejecting portion, and a second side different from said first side,
- a first opening provided between said liquid ejecting portion and an edge of said first side,
- a second opening which is provided in said second side and which is in fluid communication with said first opening, and
- a projection provided at said second side between said second opening and an edge of said second side that corresponds to said edge of said first side;
- and
- a scanning guiding portion for guiding a scanning movement of said liquid ejection recording head relative to a recording material,
- wherein said first opening is disposed adjacent a front side with respect to a scanning direction for recording, and said projection is disposed at a downstream side of said second opening with respect to the scanning direction.
A liquid ejection type recording apparatus comprising:
- a liquid ejection recording head for ejecting liquid onto a recording material;
- a carriage for carrying said liquid ejection recording head and for scanningly moving said recording liquid ejection recording head for effecting recording;
- a carriage casing having a first side for facing the recording material with said liquid ejection recording head, and a second side different from said first side;
- a first opening provided between said liquid ejection recording head and an edge of said first side;
- a second opening which is provided in said second side and which is in fluid communication with said first opening;
- a projection provided at said second side between said second opening and an edge of said second side that corresponds to said edge of said first side;
- and
- a scanning guiding portion for guiding a scanning movement of said carriage relative to a recording material.
Dependencies are inferred from the claim text.