Ink cartridge and recording apparatus
First Claim
1. An ink cartridge for an ink jet recording apparatus, the ink cartridge comprising:
- an ink supply port disposed at a position offset toward a first side of the ink cartridge;
a projection having a surface; and
a plurality of electrodes formed on the surface, wherein;
the surface is disposed at a second side of the ink cartridge opposite from the first side; and
at least a portion of the surface lies in a plane that is parallel to an axial direction of the ink supply port.
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Accused Products
Abstract
The ink cartridge includes an ink supply port formed at a position, offset to one side, of a wall configuring an ink container body; a positioning projecting portion, formed on one wall out of two opposing walls adjacent the wall, whose upper surface and side portion are regulated in position when the cartridge has been mounted on a recording apparatus; a lever, formed on the other wall out of the two walls, maintaining a normal hinged-open state and having a projection that is forcibly displaced outward when the cartridge is mounted on the recording apparatus; and electrodes that are connected to a memory unit storing information on the ink in an ink container and formed on the positioning projecting portion.
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Citations
64 Claims
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1. An ink cartridge for an ink jet recording apparatus, the ink cartridge comprising:
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an ink supply port disposed at a position offset toward a first side of the ink cartridge; a projection having a surface; and a plurality of electrodes formed on the surface, wherein; the surface is disposed at a second side of the ink cartridge opposite from the first side; and at least a portion of the surface lies in a plane that is parallel to an axial direction of the ink supply port. - View Dependent Claims (2)
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3. A combination of an ink jet recording apparatus and an ink cartridge, the ink jet recording apparatus comprising:
a cartridge holder having a bottom portion, a first wall surface extending from the bottom portion, a second wall surface extending from the bottom portion and opposing the first wall surface, an ink cartridge storage region defined by the bottom, the first wall surface and the second wall surface; an ink supply needle protruded from the bottom, and disposed at a position offset toward the first wall surface in the ink cartridge storage portion; and a plurality of elastic contacts disposed on the second wall surface, and the ink cartridge comprising; an ink supply port that engages the ink supply needle when the ink cartridge is mounted in the ink cartridge storage portion at a predetermined position; and a plurality of electrodes that are electrically connected to the elastic contacts when the ink cartridge is mounted in the ink cartridge storage portion at the predetermined position.
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4. An ink cartridge mountable to an ink jet recording apparatus including a cartridge holder having a bottom portion, a first wall surface extending from the bottom portion, a second wall surface extending from the bottom portion and opposing the first wall surface, an ink cartridge storage region defined by the bottom, the first wall surface and the second wall surface;
- an ink supply needle protruded from the bottom, and disposed at a position offset toward the first wall surface in the ink cartridge storage portion; and
a plurality of elastic contacts disposed on the second wall surface, the ink cartridge comprising;an ink supply port that engages the ink supply needle when the ink cartridge is mounted in the ink cartridge storage portion at a predetermined position; and a plurality of electrodes that are electrically connected to the elastic contacts when the ink cartridge is mounted in the ink cartridge storage portion at the predetermined position.
- an ink supply needle protruded from the bottom, and disposed at a position offset toward the first wall surface in the ink cartridge storage portion; and
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5. An ink cartridge, to be mounted on a recording apparatus, the ink cartridge comprising:
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a front, a back, a top and a bottom; an ink supply port formed in the bottom and disposed closer to the front than the to the back, the ink supply port having an axis; a first projection disposed on the back closer to the bottom than to the top, the projection having a surface lying in a plane that is parallel to the axis, the projection extending away from the front; a memory unit disposed on the ink cartridge; and a plurality of electrodes disposed on the surface, wherein at least some of said electrodes are in electrical communication with the memory unit. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. An ink cartridge detachably mountable on a recording apparatus having an ink supply needle, comprising:
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an upper wall, a bottom wall, a first side wall intersecting the bottom wall and a second side wall intersecting the bottom wall and facing the first side wall; an ink supply port disposed on the bottom wall at an offset position closer to the first side wall than to the second side wall; and a circuit board disposing portion provided at a lower location on the second side wall, said circuit board disposing portion provided with a circuit board with a memory unit and a plurality of electrodes thereon, and further comprising opposite two sides for regulating a horizontal position of the ink cartridge with respect to the recording apparatus;
whereinthe plurality of electrodes are in electrical communication with the memory unit of the circuit board. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42)
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43. An ink cartridge detachably mountable on a recording apparatus having an ink supply needle, comprising:
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a front, a back, a top, and a bottom; an ink supply port formed in the bottom and disposed closer to the front than to the back;
the ink supply port having an axis,a circuit board having a memory unit and a plurality of electrodes; a circuit board disposing portion provided at a lower location on the back and having two opposite sides for regulating a position of the ink cartridge with respect to the recording apparatus. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64)
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Specification