Ink cartridge and recording apparatus
First Claim
1. A recording apparatus, which receives an ink cartridge including:
- an ink supply port formed at a position, offset to one side, of a bottom wall defining in part an ink container;
a projecting portion, formed on a lower portion of a first wall out of two opposing walls adjacent to the bottom wall, the projecting portion having an upper surface and side portions that have specific and predetermined positions when the cartridge is mounted on the recording apparatus, wherein the first wall is located further from the ink supply port than another wall, out of the two walls, is located;
an elastically deformable lever formed on the other wall, the lever extending upwardly from the other wall to be spaced apart from the other wall, and having an engaging portion located at an intermediate position, which said engaging portion engages a corresponding part of the recording apparatus when the ink cartridge is mounted on the recording apparatus; and
a plurality of electrodes formed on the projecting portion and which are electrically connected to a memory unit disposed on the ink container, the ink jet recording apparatus comprising;
a flow path forming member communicating with a recording head, and formed at a position which opposes the ink supply port of the ink cartridge which is received by the recording apparatus, a width direction regulating projecting portion that abuts the side portions of the projecting portion, and a position regulating elastic piece that abuts the upper surface of the projecting portion.
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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
38 Claims
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1. A recording apparatus, which receives an ink cartridge including:
- an ink supply port formed at a position, offset to one side, of a bottom wall defining in part an ink container;
a projecting portion, formed on a lower portion of a first wall out of two opposing walls adjacent to the bottom wall, the projecting portion having an upper surface and side portions that have specific and predetermined positions when the cartridge is mounted on the recording apparatus, wherein the first wall is located further from the ink supply port than another wall, out of the two walls, is located;
an elastically deformable lever formed on the other wall, the lever extending upwardly from the other wall to be spaced apart from the other wall, and having an engaging portion located at an intermediate position, which said engaging portion engages a corresponding part of the recording apparatus when the ink cartridge is mounted on the recording apparatus; and
a plurality of electrodes formed on the projecting portion and which are electrically connected to a memory unit disposed on the ink container, the ink jet recording apparatus comprising;
a flow path forming member communicating with a recording head, and formed at a position which opposes the ink supply port of the ink cartridge which is received by the recording apparatus, a width direction regulating projecting portion that abuts the side portions of the projecting portion, and a position regulating elastic piece that abuts the upper surface of the projecting portion. - View Dependent Claims (2, 3, 4, 5, 6)
- an ink supply port formed at a position, offset to one side, of a bottom wall defining in part an ink container;
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7. A recording apparatus, which receive an ink cartridge including:
- an ink container having a first wall surface, a second wall surface and a third wall surface, the second and third wall surfaces being adjacent to the first wall surface and opposing each other;
an ink supply port disposed on the first wall surface;
a retaining member disposed on the second wall surface, the retaining member having an engagement portion that elastically engages a part of a recording apparatus as the ink cartridge is mounted thereon;
a lever-pressed portion disposed on the third wall surface and which is pressed by a cartridge holding mounting lever of the recording apparatus as the ink cartridge is mounted thereon;
a plurality of electrodes which are disposed closer to the ink supply port than the lever-pressed portion, and which are electrically connected to a memory unit disposed on the ink container, the ink jet recording apparatus comprising;
a flow path forming member communicating with a recording head, and formed at a position which opposes the ink supply port of the ink cartridge when the ink cartridge is mounted on the recording apparatus; and
the cartridge-holding mounting lever has a rotation fulcrum on a side of the lever-pressed portion, wherein when the engagement portion of the retaining member engages with the part of the recording apparatus, the mounting lever rotates about the rotation fulcrum, presses the lever-pressed portion to a lever-pressed portion'"'"'s predetermined position and is retained in a mounting lever'"'"'s predetermined position. - View Dependent Claims (8)
- an ink container having a first wall surface, a second wall surface and a third wall surface, the second and third wall surfaces being adjacent to the first wall surface and opposing each other;
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9. An ink cartridge that, when used, is mounted on a recording apparatus having a first receiving portion and a second receiving portion, said ink cartridge comprising:
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an ink container having a first side, a second side, a top wall, a bottom wall, a front wall, and a rear wall;
an ink supply port located on the bottom wall;
the ink supply port being located closer to the front wall than the rear wall;
an outwardly-extending first positioning member having a face and a top surface, the face and the top surface lying in intersecting planes, and which said first positioning member is located on the rear wall proximate to the bottom wall;
an outwardly-extending second positioning member shaped to cooperate with the first receiving portion of the recording apparatus, and which is located on the front wall proximate to the bottom wall;
a third positioning member having an elongated member pivotally mounted on the front wall at a position between a first point where the front wall meets the top wall and a second point where the front wall meets the bottom wall;
the elongated member having a projection shaped to cooperate with the second receiving portion of the recording apparatus; and
a plurality of electrodes located on the face of the first positioning member and lying in a plane parallel to the rear wall. - View Dependent Claims (10, 11, 12, 13, 14)
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15. An ink jet recording apparatus which receives an ink cartridge having an ink container having a first side, a second side, a top wall, a bottom wall, a front wall, and a rear wall;
- an ink supply port located on the bottom wall;
the ink supply port being located closer to the front wall than the rear wall;
an outwardly-extending first positioning member having a face and a top surface, the face and the top surface lying in intersecting planes, and which said first positioning member is located on the rear wall proximate to the bottom wall;
an outwardly-extending second positioning member which is located on the front wall proximate to the bottom wall;
a third positioning member having an elongated member pivotally mounted on the front wall at a position between a first point where the front wall meets the top wall and a second point where the front wall meets the bottom wall;
the elongated member having a projection shaped to cooperate with a corresponding second receiving portion of the recording apparatus; and
a plurality of electrodes located on the face of the first positioning member and lying in a plane parallel to the rear wall, the ink jet recording apparatus comprising;
a carriage having an engaging portion that receives the projection of the elongated member, a receptacle that accommodates the first positioning member, the receptacle having a downwardly projecting cantilever having a free end and dimensioned and disposed so that when the ink cartridge is mounted on the carriage the free end of the cantilever contacts the top surface of the first positioning member, and a receiving portion dimensioned and disposed to accommodate the second positioning member; and
a plurality of contacts disposed in the receptacle, the contacts being arranged so that, when said ink cartridge is mounted in the carriage, the contacts are in electrical communication with respective said electrodes. - View Dependent Claims (16)
- an ink supply port located on the bottom wall;
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17. An ink cartridge, comprising:
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a rectangular ink reservoir having a front, a back and a bottom, the front and the back both intersecting the bottom;
an ink supply port formed in the bottom, the ink supply port having an ink supply port axis;
an identification block disposed on the back and having a pair of parallel sides, a face lying in a plane parallel to the ink supply port axis, the parallel sides being perpendicular to the face, a plurality of electrical contacts lying on the face, and at least one projection having a tip and extending outward from the identification block away from the back toward the face, the tip of the projection being disposed further from the back than the face. - View Dependent Claims (18, 19, 20, 21)
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22. An identification block for mounting on an ink jet cartridge, comprising:
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a block body having a pair of parallel sides, a back surface intersecting the parallel sides, and a flat face intersecting the parallel sides; and
at least one projection having a tip and extending outward from the block body in the direction from the back surface toward the flat face, the tip of the projection being disposed further from the back surface than the face. - View Dependent Claims (23, 24, 25)
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26. An ink cartridge, comprising:
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an ink container having 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 extending from the front toward the top, the retaining member having a protruding engagement portion;
a projection located where a plane of the back and a plane of the bottom intersect, and extending away from the front, the projection having a surface lying in a plane that is parallel to the axis;
a memory unit disposed on the ink jet cartridge; and
a plurality of electrodes disposed on the surface and which are in electrical communication with the memory unit. - View Dependent Claims (27, 28, 29)
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30. An ink cartridge, comprising:
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an ink container having 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 extending from the front toward the top, the retaining member having a protruding engagement portion;
a projection located where a plane of the back and a plane of the bottom intersect, and extending away from the front, the projection having a surface lying in a plane that is parallel to the axis;
a memory unit disposed on the ink jet cartridge;
a plurality of electrodes disposed on the surface and which are in electrical communication with the memory unit; and
an identification protrusion extending outward from the back at a position located between the top and the projection. - View Dependent Claims (31, 32, 33, 34, 35)
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36. An ink cartridge that, when used, is mounted on a recording apparatus having a contact structure, said ink cartridge comprising:
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an ink container having a front, a back, a top and a bottom, the front intersecting the bottom at a first edge, the back intersecting the bottom at a second edge, the top intersecting the front at a third edge, and the top intersecting the back at a fourth edge;
an ink supply port formed in the bottom, the ink supply port having an axis;
a retaining member extending from the front at a position between the first edge and the third edge toward the top, the retaining member having a protruding engagement portion;
a raised rib disposed on the front, the rib extending in a direction parallel to the axis from the first edge toward the top;
a projection located at the second edge and extending away from the front, the projection having a surface lying in a plane that is parallel to the axis;
a memory unit disposed on the ink jet cartridge;
a plurality of electrodes disposed on the surface and which are in electrical communication with the memory unit;
a protuberance extending from the back, the protuberance being located between the fourth edge and the projection, the protuberance having a flat surface positioned so that when the ink jet cartridge is mounted in the ink jet printer, the contact structure of the ink jet printer contacts the flat surface and presses the flat surface toward the bottom; and
an identification protrusion extending outward from the back at a position located between the second edge and the fourth edge. - View Dependent Claims (37, 38)
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Specification