Ink cartridge having retaining structure and memory
First Claim
1. An ink cartridge detachably mountable on a recording apparatus having an ink supply needle, comprising:
- an ink container having an upper wall, a bottom wall, and opposing first and second walls;
an ink supply port, for receiving the ink supply needle of the recording apparatus, disposed on the bottom wall closer to the first wall than to the second wall;
a retaining member having an engagement portion that is spaced apart from the first wall;
a projection protruding from the second wall, the projection having a plurality of side portions and a surface disposed between the side portions;
a memory unit disposed on the ink container;
a plurality of electrodes in electrical communication with the memory unit, the electrodes being disposed on the surface of the projection.
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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 imposition 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
120 Claims
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1. An ink cartridge detachably mountable on a recording apparatus having an ink supply needle, comprising:
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an ink container having an upper wall, a bottom wall, and opposing first and second walls; an ink supply port, for receiving the ink supply needle of the recording apparatus, disposed on the bottom wall closer to the first wall than to the second wall; a retaining member having an engagement portion that is spaced apart from the first wall; a projection protruding from the second wall, the projection having a plurality of side portions and a surface disposed between the side portions; a memory unit disposed on the ink container; a plurality of electrodes in electrical communication with the memory unit, the electrodes being disposed on the surface of the projection. - View Dependent Claims (2, 3, 4, 5, 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, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. 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, the ink supply port having an axis; a retaining member that is spaced apart from the front; a first projection having a surface lying in a plane that is parallel to the axis; a memory unit disposed on the ink cartridge; and a plurality of electrodes disposed on the surface and being in electrical communication with the memory unit;
characterized in that;the ink supply port is disposed closer to the front than to the back; and the first projection is disposed on the back and located adjacent to the bottom, the first projection extending away from the front. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80)
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81. 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 retaining member that is spaced apart from the front; 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 an ink cartridge with respect to the recording apparatus. - View Dependent Claims (82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113)
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114. An ink cartridge detachably mountable on a recording apparatus having an ink supply needle, comprising:
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an ink container having 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; a circuit board disposing portion provided at a lower location on the second side wall, said circuit board disposing portion being adapted to support a circuit board with a memory unit and a plurality of electrodes thereon, and having two opposite sides for regulating a horizontal position of the ink cartridge with respect to the recording apparatus; and a retaining member having an engagement portion provided at an upper location on the first side wall adapted to regulate a vertical position of the ink cartridge with respect to the recording apparatus, wherein the plurality of electrodes are in electrical communication with the memory unit on the circuit board, and wherein by such arrangement, the ink cartridge is held diagonally by the circuit board disposing portion at the lower location on the second side wall and the retaining member at the upper location on the first side wall, and so can be held at a predetermined position on the recording apparatus. - View Dependent Claims (115, 116, 117, 118, 119, 120)
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Specification