Media cartridge and image recording apparatus with detachably mountable media cartridge

• US 6,523,933 B1
• Filed: 09/06/2000
• Issued: 02/25/2003
• Est. Priority Date: 09/10/1999
• Status: Expired due to Fees

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Takahashi, Keiji, Hirano, Hirofumi, Nakai, Hiroshi
• Primary Examiner(s): Nghiem, Michael
• Assistant Examiner(s): HSIEH, SHIH WEN
• Application Number:
  US09/656,472
• Time in Patent Office: 902 Days
• Field of Search: 347/36, 347/108, 347/101, 347/104, 347/29, 347/30, 347/31, 347/35, 347/85, 347/86, 347/2, 355/18, 355/64, 358/296, 358/302, 358/502, 400/88, 400/612, 396/429
• US Class Current: 347/36
• CPC Class Codes: B41J 11/0065 Means for printing without leaving a margin on at least one edge of the copy material, e.g. edge-to-edge printing
• CPC Class Codes: B41J 13/0081 Sheet-storing packages, e.g. for protecting the sheets against ambient influences, e.g. light, humidity, changes in temperature
• CPC Class Codes: B41J 13/103 for the sheet feeding section
• CPC Class Codes: B41J 13/12 specially adapted for small cards, envelopes, or the like , e.g. credit cards, cut visiting cards
• CPC Class Codes: B41J 2/16523 Waste ink collection from caps or spittoons, e.g. by suction
• CPC Class Codes: B41J 29/023 with reduced dimensions
• CPC Class Codes: B41J 29/026 Stackable
• CPC Class Codes: B41J 3/36 for portability , i.e. hand-held printers or laptop printers B41J3/4075 takes precedence

Abstract

The present invention provides an ink jet image recording apparatus adapted for use in mobile printing, and a media cartridge for containing a sheet to be recorded by such apparatus. The media cartridge is detachably mountable on an image recording apparatus for forming an image on a sheet and includes a frame body which includes sheets for recording an image by the image recording apparatus, an ink containing member for containing ink to be supplied to an image recording unit of the image recording apparatus and to be discharged on the sheets, a pick-up unit for feeding the sheets one by one from the frame body, and an ink absorbent member for absorbing the ink not used for recording in the image recording apparatus in a state that the frame body is mounted thereon.

Claims

1. A media cartridge detachably mountable on an image recording apparatus for recording an image on a sheet and including a frame body, said frame body comprising:

sheets for recording an image in said image recording apparatus;

an ink containing member for containing ink to be supplied to image recording means of said image recording apparatus and to be discharged to said sheets;

pickup means for advancing said sheets one by one from said frame body; and

an ink absorbent member for absorbing ink not used for the recording in said image recording apparatus in a state that said frame body is mounted on said image recording apparatus.

2. A media cartridge according to claim 1, wherein said frame body further includes a shutter member capable of sliding so as to expose said ink absorbent member to the exterior of said frame body by engaging said media cartridge with a main body of said image recording apparatus.

3. A media cartridge according to claim 1, wherein said media cartridge includes an exposed portion to be inserted below said image recording means upon mounting on said image recording apparatus, and said ink absorbent member is provided in said exposed portion.

4. A media cartridge according to claim 3, wherein said frame body further includes a shutter member capable of sliding so as to expose said exposed portion by engagement with said image recording apparatus when said media cartridge is mounted on said image recording apparatus.

5. A media cartridge according to claim 3, wherein said exposed portion includes a supply aperture for supplying the ink contained in said ink containing member to said image recording apparatus.

6. A media cartridge according to claim 3, wherein said ink absorbent member has a length in the direction of width larger than the width of the sheet contained in said frame body, and is provided in said exposed portion.

7. A media cartridge according to claim 3, wherein said ink absorbent member is positioned at least outside the conveying area of the sheets conveyed in said exposed portion.

8. A media cartridge according to claim 3, wherein said exposed portion serves also as a platen for supporting the sheet in an image recording operation by said image recording means.

9. A media cartridge according to claim 1, wherein said ink absorbent member is detachable from said frame body.

10. A media cartridge according to claim 1, wherein said ink absorbent member is comprised of a porous material formed by sintering an ink absorbent material.

11. A media cartridge according to claim 1, wherein said frame body includes a limiting guide for limiting lateral faces and sheet faces of the sheets contained in said frame body.

12. A media cartridge according to claim 1, wherein said frame body includes a sheet supporting plate for supporting the sheets contained in said frame body, and said sheet supporting plate serves also as a protective member for protecting said ink containing member.

13. A media cartridge according to claim 1, wherein said pickup means is adapted to advance a stack of the sheets in succession from the lowermost one of the stacked sheets in the direction of gravity from said frame body toward said image recording apparatus.

14. A media cartridge according to claim 13, wherein said pickup means includes a sheet feeding member for advancing the sheets and a separating portion for separating one of the sheets advanced by said sheet feeding member, wherein said separating portion is of a slit separation type for separating the sheets by an aperture allowing only one sheet to pass.

15. A media cartridge according to claim 14, wherein said separating portion includes an impingement portion for preventing feeding of plural sheets by impinging on sheets other than the lowermost one, and said impingement portion serves also as a guide for containing the sheets.

16. A media cartridge according to claim 14, wherein said sheet feeding member is comprised of a rotary feeding member positioned below the sheets contained in said frame body and successively advances the sheets by rotation while in contact with the lowermost sheet.

17. A media cartridge according to claim 16, wherein said rotary feeding member is provided with a coupling connected to a shaft supporting said rotary feeding member, and is rotated by transmission of driving power to said coupling.

18. A media cartridge according to claim 14, wherein said sheet feeding member is adapted to advance the sheets by engagement with an engaging portion formed in each sheet contained in said frame body.

19. A media cartridge according to claim 18, wherein said sheet feeding member is provided between said frame body and a lateral plate limiting lateral faces of the sheets contained in said frame body.

20. A media cartridge according to claim 19, wherein said sheet feeding member is provided at the leading end side of said sheets in the feeding direction thereof, and said engaging portion is formed in a position capable of engaging with said sheet feeding member.

21. A media cartridge according to claim 18, wherein said engaging portion formed in each sheet is formed by notching an end portion of each sheet so as to form a plane substantially parallel to a transverse direction of the sheet.

22. A media cartridge according to claim 18, wherein said engaging portion formed in each sheet is formed by notching an end portion of the sheet in a rectangular form.

23. A media cartridge according to claim 18, wherein said engaging portion formed in each sheet is formed by notching an end portion of the sheet in an approximately semicircular form.

24. A media cartridge according to claim 18, wherein said engaging portion formed in each sheet is an aperture formed in the sheet surface.

25. A media cartridge according to claim 24, wherein said aperture is formed as an approximately triangular aperture at the side of said sheet feeding member within said frame body.

26. A media cartridge according to claim 24, wherein said aperture is formed as an approximately rectangular aperture at the side of said sheet feeding member within said frame body.

27. A media cartridge according to claim 24, wherein said aperture is formed at the approximate center in the width of each sheet, and said sheet feeding member is provided at a position below said sheet and capable of engaging with said aperture.

28. A media cartridge according to claim 18, wherein said engaging portion formed in each sheet is a rack-shaped notch portion formed on an end of the sheet, and said sheet feeding member is an advancing gear for advancing the sheet by rotation in engagement with said notch portion.

29. A media cartridge according to claim 1, wherein said frame body includes conveying means for further conveying the sheets separated and advanced by said pickup means.

30. A media cartridge according to claim 29, wherein said conveying means is provided in the exposed portion to be inserted under said image recording means.

31. A media cartridge according to claim 29, wherein said conveying means is a pinch roller capable of rotation while supporting the sheets.

32. A media cartridge according to claim 29, wherein a biasing member for biasing said conveying means toward said image recording apparatus is provided under said conveying means.

33. A media cartridge according to claim 1, wherein the amount of the ink contained in said ink containing member is a minimum amount necessary for image recording on a maximum number of the sheets contained in said frame body.

34. A media cartridge according to claim 1, wherein, when sheets contained in said frame body are advanced by said pickup means and no longer exist in said frame body, sheets can be supplied again in said frame body.

35. A media cartridge according to claim 1, wherein, when said ink contained in said ink containing member is supplied to said image recording means and is consumed, the ink can be replenished again in said ink containing member.

36. A media cartridge according to claim 1, wherein said frame body contains said ink containing member in a replaceable manner.

37. A media cartridge according to claim 1, wherein said ink containing member contains inks of yellow, magenta and cyan colors.

38. A media cartridge according to claim 1, wherein said ink containing member is a flexible bag member.

39. An image recording apparatus comprising:

a) a mounting portion capable of detachably mounting a media cartridge comprised of a frame body including;

sheets for recording an image in said image recording apparatus;

an ink containing member for containing ink to be supplied to said image recording apparatus and to be discharged to said sheets;

pickup means for advancing said sheets one by one from said frame body; and

an ink absorbent member for absorbing ink not used for the recording in said image recording apparatus in a state that said frame body is mounted on said image recording apparatus;

b) image recording means for discharging ink supplied from said ink containing member to said sheets contained in said media cartridge;

c) drive means for activating said pickup means; and

d) conveying means for conveying the sheets.

40. An image recording apparatus according to claim 39, wherein said frame body of said media cartridge further includes a shutter member capable of sliding so as to expose said ink absorbent member to the exterior of said frame body by engaging said frame body with a main body of said image recording apparatus.

41. An image recording apparatus according to claim 39, wherein said media cartridge includes an exposed portion to be inserted below said mounting portion of said image recording apparatus upon mounting on said mounting portion of said image recording apparatus, and said ink absorbent member is provided in said exposed portion.

42. An image recording apparatus according to claim 41, wherein said frame body further includes a shutter member capable of sliding so as to expose said exposed portion by engagement with a main body of said image recording apparatus when said media cartridge is mounted in said mounting portion of said image recording apparatus.

43. An image recording apparatus according to claim 41, wherein said exposed portion serves also as a platen for supporting the sheets in an image recording operation by said image recording means.

44. An image recording apparatus according to claim 41, wherein said exposed portion includes a supply aperture for supplying the ink contained in said ink containing member to said image recording means.

45. An image recording apparatus according to claim 44, wherein the ink supply from said supply aperture to said image recording means is executed by connection with said supply aperture by displacement of said image recording means toward said supply aperture.

46. An image recording apparatus according to claim 39, wherein said pickup means includes a sheet feeding member for advancing a stack of the sheets in succession from the lowermost one of the stacked sheets in the direction of gravity and a separating portion for separating one of the sheets advanced by said sheet feeding member, wherein said separating portion is of a slit separation type for separating the sheets by an aperture allowing only one sheet to pass.

47. An image recording apparatus according to claim 46, wherein said sheet feeding member is comprised of a rotary feeding member positioned below said sheets and successively advances the sheets by rotation while in contact with the lowermost sheet.

48. An image recording apparatus according to claim 47, wherein said rotary feeding member is provided with a coupling connected to a shaft supporting said rotary feeding member, and is rotated by transmission of driving power from said drive means to said coupling.

49. An image recording apparatus according to claim 48, wherein said drive means for driving said rotary feeding member is formed on said image recording apparatus and is capable of drive transmitting by mounting said media cartridge on said image recording apparatus.

50. An image recording apparatus according to claim 49, further including a pressing member for pressing the sheets contained in said frame body toward said rotary feeding member, and said pressing member is adapted, by said drive means, to displace between a position contacting the uppermost sheet contained in said frame body and a position separated from the sheet.

51. An image recording apparatus according to claim 50, wherein said frame body is provided with an aperture for exposing the upper surface of the uppermost sheet contained in said frame body when said media cartridge is mounted on said image recording apparatus, and said pressing member contacts said uppermost sheet through said aperture.

52. An image recording apparatus according to claim 51, wherein said aperture is so constructed as to be positioned substantially vertically above said rotary feeding member, and said pressing member is so positioned in said image recording apparatus, by mounting said media cartridge on said mounting portion, as to be substantially vertically above said aperture.

53. An image recording apparatus according to claim 46, wherein said sheet feeding member is adapted to advance the sheets by engagement with an engaging portion formed in each sheet contained in said frame body.

54. An image recording apparatus according to claim 53, wherein said sheet feeding member is adapted to feed each sheet by transmission of driving power from said drive means provided in a main body of said image recording apparatus.

55. An image recording apparatus according to claim 39, further including a pinch roller provided, when said media cartridge is mounted on said image recording apparatus, in a position opposed to said conveying means provided in said image recording apparatus and adapted to pinch and convey the sheets in cooperation with said conveying means.

56. An image recording apparatus according to claim 55, wherein a biasing member for biasing said conveying means toward said image recording apparatus is provided under said conveying means.

57. An image recording apparatus according to claim 39, further including a control portion for controlling said image recording apparatus and said media cartridge, wherein said control portion is adapted, in response to input of an image recording command, to execute control for supplying ink from said media cartridge to said image recording means, then control for activating said pickup means to feed the sheets thereby executing an image recording operation on said sheets.

58. An image recording apparatus according to claim 57, wherein the ink supplying operation from said media cartridge to said image recording means is executed for every image recording on a sheet.

59. An image recording apparatus according to claim 39, wherein said conveying means of said image recording apparatus is so constructed as to substantially linearly convey the sheets advanced from said media cartridge.

60. An image recording apparatus according to claim 39, wherein said image recording means includes an ink jet recording head for recording an image by discharging ink onto the sheets.

61. A media cartridge detachably mountable on an image recording apparatus provided with image recording means capable of discharging ink, the media cartridge including:

a frame body;

a sheet body comprising plural stacked sheets contained in said frame body;

a sheet feeding roller adapted to contact the outermost sheet surface of said sheet body thereby feeding the sheets one by one; and

an ink containing member storing ink to be supplied to said image recording means,

wherein said sheet feeding roller is positioned at the leading end side, in a sheet feeding direction, on the sheet surface of said sheet body, and said ink containing member is positioned at the sheet surface at the side of said sheet feeding roller and at the upstream side of said sheet feeding roller in the sheet feeding direction, both being contained in said frame body.

62. A media cartridge according to claim 61, wherein said ink containing member and said sheet feeding roller are contained in said frame body and positioned therein within a projected area of said sheets, observed from a direction perpendicular to a sheet surface on which the image is to be recorded.

63. A media cartridge according to claim 61, wherein, taking a face of said frame body at the side of said ink containing member as a bottom face, the height from said bottom face to the upper surface of said ink containing member is approximately same as the height from said bottom face to a position where said sheet feeding roller is in contact with the sheet body.

64. A media cartridge according to claim 61, wherein said frame body includes an ink absorbent member for absorbing ink not used for recording by said image recording means, and said ink absorbent member is provided in an exposed portion positioned at the downstream side of said sheet feeding roller in the sheet feeding direction in a state that said media cartridge is mounted on said image recording apparatus.

65. A media cartridge according to claim 64, wherein, taking a face of said frame body at the side of said ink containing member as a bottom face, the height of said exposed portion from said bottom face is smaller than the height from said bottom face to a position where said sheet feeding roller is in contact with the sheet body.

66. A media cartridge according to claim 64, wherein said frame body includes a shutter member adapted to cover said exposed portion, and said shutter member is slidable to expose said exposed portion by engaging with said image recording apparatus when said media cartridge is mounted on said image recording apparatus.

67. A media cartridge according to claim 64, wherein said exposed portion is positioned below said image recording means when said media cartridge is mounted on said image recording apparatus.

68. A media cartridge according to claim 61, wherein said frame body includes a limiting guide for limiting lateral faces and the surfaces of the sheets contained in said frame body.

69. A media cartridge according to claim 61, wherein said frame body includes a sheet supporting plate for supporting the sheets contained in said frame body, and said sheet supporting plate is positioned between said sheet body and said ink containing member thereby serving also as a protective member for protecting said ink containing member.

70. A media cartridge according to claim 61, wherein said sheet feeding roller is adapted for advancing the sheets in succession from the lowermost sheet of said sheet body in the direction of gravity from said frame body to said image recording apparatus.

71. A media cartridge according to claim 70, wherein said frame body includes a separating portion for separating one of the sheets at the leading end side thereof in the sheet feeding direction, wherein said separating portion is of a slit separation type for separating the sheets by an aperture allowing only one sheet to pass.

72. A media cartridge according to claim 71, wherein said separating portion includes an impingement portion, at the downstream side of said sheets contained in said frame body in the sheet feeding direction, for preventing feeding of plural sheets by impinging on sheets other than the lowermost one, and said impingement portion serves also as a guide for containing the sheets in said frame body.

73. An image recording apparatus comprising:

a media cartridge according to any one of claims 61 to 72; and

conveying means for conveying a sheet fed from said media cartridge when said media cartridge is mounted on said image recording apparatus.

74. A media cartridge according to claim 61, wherein said image recording means includes an ink jet recording head for forming an image by discharging ink.

75. A media cartridge detachably mountable on an image recording apparatus for forming an image on a sheet, the media cartridge comprising:

a frame body;

a sheet containing portion provided in said frame body and adapted for containing sheets for recording an image in said image recording apparatus;

an ink containing portion provided in said frame body and adapted for containing an ink containing member containing ink to be supplied to image recording means of said image recording apparatus and to be discharged onto said sheets;

pickup means provided in said frame body and adapted to feed said sheets one by one from said frame body; and

an ink absorbent member containing portion provided in said frame body and containing an ink absorbent member for absorbing the ink not used in said image recording means in a state that said frame body is mounted on said image recording apparatus.

76. A media cartridge according to claim 75, wherein said frame body includes a shutter member slidable to expose said ink absorbent member to the exterior of said frame body by engaging with a main body of said image recording apparatus.

77. A media cartridge according to claim 75, further comprising an exposed portion to be positioned below said image recording means when said media cartridge is mounted on said image recording apparatus, and said ink absorbent member containing portion is provided in said exposed portion.

78. A media cartridge according to claim 77, wherein said frame body further includes a shutter member capable of sliding so as to expose said exposed portion by engagement with said image recording apparatus when said media cartridge is mounted on said image recording apparatus.

79. A media cartridge according to claim 77, wherein said exposed portion includes a supply aperture for supplying the ink contained in said ink containing member contained in said ink containing portion to said image recording means.

80. A media cartridge according to claim 77, wherein said ink absorbent member has a length larger than the width of the sheets contained in said sheet containing portion, and is provided in said exposed portion.

81. A media cartridge according to claim 77, wherein said ink absorbent member is positioned at least outside a conveying area of the sheets conveyed in said exposed portion.

82. A media cartridge according to claim 77, wherein said exposed portion serves also as a platen for supporting the sheets in an image recording operation by said image recording means.

83. A media cartridge according to claim 77, wherein the amount of the ink contained in said ink containing member is a minimum amount necessary for image recording on a maximum number of the sheets contained in said frame body.

84. A media cartridge according to claim 75, wherein said ink absorbent member is detachable from said frame body.

85. A media cartridge according to claim 75, wherein said ink absorbent member is comprised of a porous material formed by sintering an ink absorbent material.

86. A media cartridge according to claim 75, wherein said frame body includes a limiting guide for limiting the lateral faces and upper surfaces of the sheets contained in said sheet containing portion.

87. A media cartridge according to claim 75, wherein said frame body includes a sheet supporting plate for supporting the sheets contained in said sheet containing portion, and said sheet supporting plate serves also as a protective member for protecting said ink containing member contained in said ink containing portion.

88. A media cartridge according to claim 75, wherein said pickup means is adapted to feed a stack of the sheets in succession from the lowermost one of the stacked sheets in the direction of gravity, from said sheet containing portion toward said image recording apparatus.

89. A media cartridge according to claim 88, wherein said pickup means includes a sheet feeding member for feeding the sheets from said sheet containing portion and a separating portion for separating one of the sheets fed by said sheet feeding member, wherein said separating portion is of a slit separation type for separating the sheets by an aperture allowing only one sheet to pass.

90. A media cartridge according to claim 89, wherein said separating portion includes an impingement portion for preventing feeding of plural sheets by impinging the sheets contained in said sheet containing portion other than the lowermost one, and said impingement portion serves also as a sheet containing guide for said sheet containing portion.

91. A media cartridge according to claim 89, wherein said sheet feeding member is comprised of a rotary feeding member positioned below said sheet containing portion for feeding the sheets by rotation while in contact with the lowermost sheet.

92. A media cartridge according to claim 91, wherein said rotary feeding member is provided with a coupling connected to a shaft supporting said rotary feeding member, and is rotated by transmission of driving power to said coupling.

93. A media cartridge according to claim 92, wherein said sheet feeding member is provided between said frame body and a lateral plate of said sheet containing portion.

94. A media cartridge according to claim 89, wherein said sheet feeding member is adapted to feed the sheets by engagement with an engaging portion formed in each sheet contained in said sheet containing portion.

95. A media cartridge according to claim 94, wherein said engaging portion formed in each sheet is formed by notching an end portion of each sheet so as to form a plane substantially parallel to a transverse direction of the sheets.

96. A media cartridge according to claim 94, wherein said engaging portion formed in each sheet is formed by notching an end portion of each sheet in a rectangular form.

97. A media cartridge according to claim 94, wherein said engaging portion formed in each sheet is formed by notching an end portion of each sheet in an approximately semicircular form.

98. A media cartridge according to claim 94, wherein said sheet feeding member is provided at the leading end side of said sheets in the feeding direction thereof, and said engaging portion is formed in a position capable of engaging with said sheet feeding member.

99. A media cartridge according to claim 94, wherein said engaging portion formed in each sheet is an aperture formed in the sheet surface.

100. A media cartridge according to claim 99, wherein said aperture is formed as an approximately triangular aperture at the side of said sheet feeding member within said frame body.

101. A media cartridge according to claim 99, wherein said aperture is formed as an approximately rectangular aperture at the side of said sheet feeding member within said frame body.

102. A media cartridge according to claim 99, wherein said aperture is formed at the approximate center in the width of each sheet, and said sheet feeding member is provided at a position below said sheets and capable of engaging with said aperture.

103. A media cartridge according to claim 94, wherein said engaging portion formed in each sheet is a rack-shaped notch portion formed on an end of each sheet, and said sheet feeding member is an advancing gear for advancing each sheet by rotation in engagement with said notch portion.

104. A media cartridge according to claim 75, wherein said frame body includes conveying means for further conveying the sheets separated and fed by said pickup means.

105. A media cartridge according to claim 104, wherein said conveying means is provided in an exposed portion to be positioned under said image recording means.

106. A media cartridge according to claim 104, wherein said conveying means is a pinch roller capable of rotation while supporting the sheets.

107. A media cartridge according to claim 104, wherein a biasing member for biasing said conveying means toward said image recording apparatus is provided under said conveying means.

108. A media cartridge according to claim 75, wherein, when the sheets contained in said frame body are advanced by said pickup means and no longer exist in said frame body, sheets can be supplied again in said frame body.

109. A media cartridge according to claim 75, wherein, when said ink contained in said ink containing member is supplied to said image recording means and is consumed, the ink can be replenished again in said ink containing member.

110. A media cartridge according to claim 75, wherein said frame body contains said ink containing member in replaceable manner.

111. A media cartridge according to claim 75, wherein said ink containing member contains inks of yellow, magenta and cyan colors.

112. A media cartridge according to claim 75, wherein said ink containing member is a flexible bag member.