WO2004091920A1 - Ink refill apparatus for waste ink cartridge - Google Patents

Ink refill apparatus for waste ink cartridge Download PDF

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Publication number
WO2004091920A1
WO2004091920A1 PCT/KR2004/000466 KR2004000466W WO2004091920A1 WO 2004091920 A1 WO2004091920 A1 WO 2004091920A1 KR 2004000466 W KR2004000466 W KR 2004000466W WO 2004091920 A1 WO2004091920 A1 WO 2004091920A1
Authority
WO
WIPO (PCT)
Prior art keywords
inlc
ink
waste
refill
section
Prior art date
Application number
PCT/KR2004/000466
Other languages
French (fr)
Inventor
Kyu-Nam Kim
Original Assignee
Rio Korea Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rio Korea Inc. filed Critical Rio Korea Inc.
Publication of WO2004091920A1 publication Critical patent/WO2004091920A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17506—Refilling of the cartridge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor

Definitions

  • the present invention relates to an ink refill apparatus for a waste ink cartridge, and more particularly to an automatic ink refill apparatus for a waste ink cartridge, capable of rapidly, stably and simultaneously refilling at least one of waste ink cartridges with new ink.
  • printers include various kinds of ink cartridges in the form of small vessels for receiving ink. Ink contained in the ink cartridge may be exhausted when a certain period of time lapses, so users must exchange the waste ink cartridge with a new ink cartridge.
  • impurities such as lubricant for facilitating an operation of the ink refill apparatus, may be introduced into the waste ink cartridge together with new ink, so ink spreads on papers.
  • the present invention has been made in view of the above- mentioned problems occurring in the prior art, and it is an object of the present invention to provide an ink refill apparatus for waste ink cartridges, capable of automatically refilling at least one of waste ink cartridges with new ink by automatically fixing the waste ink cartridges while preventing impurities from being introduced into the waste ink cartridges when refilling the waste ink cartridges with new ink.
  • FIG. 1 is a left-side perspective view showing an ink refill apparatus for a waste ink cartridge according to one embodiment of the present invention
  • FIG. 2 is a right-side perspective view showing an inlc refill apparatus for a waste ink cartridge according to one embodiment of the present invention
  • FIG. 3 is a front view showing an inlc refill apparatus for a waste ink cartridge according to one embodiment of the present invention
  • FIG. 4 is a rear view showing an inlc refill apparatus for a waste inlc cartridge according to one embodiment of the present invention
  • FIG. 5 is a bottom view showing an inlc refill apparatus for a waste inlc cartridge according to one embodiment of the present invention
  • FIG. 6 is a view showing a structure of an inlc refill apparatus for a waste inlc cartridge shown in FIG. 1 according to one embodiment of the present invention.
  • FIG. 7 is an exploded perspective view showing an ink refill cylinder, an inlc quantity determining member, and a proximity sensor installed in a supporting bar of an ink refill apparatus for a waste ink cartridge according to one embodiment of the present invention.
  • an ink refill apparatus comprises a body section provided at a front center portion thereof with a receiving part, a fixing unit for fixing at least one of the inlc cartridges installed in front of the receiving part of the body section by using pressurized air supplied thereto from a pressurized air supplying section, a waste inlc exhausting unit installed in the body section so as to exhaust waste inlc from the waste inlc cartridges, an inlc refill unit for refilling the waste ink cartridges with new inlc supplied from an ink reservoir, a control panel section installed at a front upper portion of the body section and including a power button for turning on/off the inlc refill apparatus and a plurality of selection buttons and operation buttons, and a control unit installed in the body section in order to control the fixing unit, the waste inlc exhausting unit, and the inlc refill unit as the power button is powered on and having a relay section and a control section for controlling an amount of refill inlc.
  • a basic concept of the present invention is to simultaneously refill at least one of waste inlc cartridges with inlc by fixing or releasing various inlc cartridges installed in a printer using pressurized air and to prevent impurities from being introduced into the ink cartridges when refilling the inlc cartridges with inlc by movably installing an ink quantity determining member having a vacuum state in an inlc refill cylinder.
  • an ink refill apparatus for a waste inlc cartridge having the above basic concept will be described with reference to accompanying drawings.
  • FIGS. 1 to 5 show the ink refill apparatus for the waste inlc cartridge according to the present invention.
  • the ink refill apparatus 10 for the waste inlc cartridge includes a body section 20 provided at a front center portion thereof with a receiving part 201, a fixing unit 30 for fixing at least one of various ink cartridges installed in front of the receiving part 201 of the body section 20 by using pressurized air supplied thereto from a pressurized air supplying section, a waste ink exhausting unit 40 installed in the body section 20 so as to exhaust waste ink from the waste inlc cartridges, an inlc refill unit 50 for refilling the waste ink cartridges with new inlc supplied from an ink reservoir, a control panel section 60 installed at a front upper portion of the body section 20 and including a power button 601 for turning on/off the inlc refill apparatus 10 and a plurality of selection buttons 602 and operation buttons 603, and a control unit 70 installed in the body section 20 in order to control the fixing unit 30, the waste inlc exhausting
  • the fixing unit 30 has a plurality of receiving members 301 to 307 installed at a front portion of the body section 20 so as to receive the waste ink cartridge. At least one of jigs 313 to 317 is fixed to a lower portion of at least one of the receiving members 301 to 307. An insertion groove 313a having a sectional shape corresponding to a sectional shape of the waste inlc cartridge is formed at each upper portion of the jigs 313 to 317 in order to receive the waste inlc cartridge.
  • a main ink exhaust hole 313b for exhausting waste inlc from the waste ink cartridge and a main inlc refill hole 313c for refilling the waste inlc cartridge with new inlc are formed at a bottom portion of the insertion hole 313a.
  • the jigs 313 to 317 are provided at front portions thereof with first solenoid valves 308 to 312 for opening/closing the main inlc exhaust holes 313b under the control of the control unit 70.
  • At least one of pressing members 327 to 332 is provided at an upper portion of at least one of the receiving members 301 to 307 in order to press an upper portion of the waste ink cartridge inserted into the insertion groove 313a.
  • the pressing members 327 to 332 are formed at front portions thereof with a plurality of pressurized air inlet ports 327a, 327b, 328a, 328b, 329a, 329b, 330a, 330b, 331a, 331b, 332a, and 332b.
  • Pressurized air supplied from a pressurized air supplying section is introduced into the pressurized air inlet ports 327a, 327b, 328a, 328b, 329a, 329b, 330a, 330b, 331a, 331b, 332a, and 332b through a regulator 202 installed at one side of the body section 20 in order to adjust pressure of pressurized air and to remove impurities contained in pressurized air, a second solenoid valve 318, a branch hose 319 and a pressurized air branching section 320.
  • the pressing members 327 to 332 are provided at lower portions thereof with pressing pieces 321 to 326, which are movable up and down corresponding to pressurized air introduced into the pressurized air inlet ports 327a, 327b, 328a, 328b, 329a, 329b, 330a, 330b, 331a, 331b, 332a, and 332b.
  • An inlc injection port 326c is formed at one of the pressing pieces 321 to 326 in order to refill the waste inlc cartridge with new ink.
  • the waste inlc exhausting unit 40 includes a vacuum pump 401 installed in the body section 20 and driven by receiving power from a power supply section so as to exhaust waste inlc from the waste inlc cartridge fixed by the fixing unit 30, a collecting container 402 connected to the vacuum pump 401 through a vacuum hose 401a so as to collect waste inlc therein using waste ink draining hoses 402a to 402f, which are connected to a bottom portion of the main inlc exhaust hole 313b of the jigs 313 to 317 or a bottom portion of the receiving member 307, when waste inlc is exhausted from the waste inlc cartridge by means of the vacuum pump 401, and a third solenoid valve 403 installed at a lower portion of the waste ink collecting container 402 and operated under the control of the control unit 70 in order to exhaust waste inlc from the waste inlc collecting container 402 to a main waste ink reservoir.
  • a vacuum pump 401 installed in the body section 20 and driven by receiving power from a power
  • the inlc refill unit 50 includes a fixing member 501 vertically installed on the body section so as to refill the empty waste inlc cartridge with new ink, an ink intake section 510, an ink refill section 519, a fourth solenoid valve 562, a plurality of inlc refill cylinders 520 to 525 made from transparent acryl material, a plurality of ink quantity determining members 527 to 532 made from transparent acryl material, a pair of proximity sensors 540 and 540', a plurality of inlc feeding hoses 541 to 546, and a plurality of ink refill hoses 547 to 552.
  • the ink intake section 510 is provided at one side of an upper portion of the fixing member 501.
  • the ink intake section 510 is connected to the waste inlc collecting container 402 through an inlc intake hose 503 having a fifth solenoid valve 502, which is operated under the control of the control unit 70 to allow ink to be introduced into the inlc intake section 510.
  • a plurality of inlc intake ports 504 to 509 are provided at an upper portion of the inlc intake section 510.
  • the inlc refill section 519 is fixed to the other side of the upper portion of the fixing member 501,
  • the inlc refill section 519 is connected to the branch hose 319 through an inlc injection hose 512 having a sixth solenoid valve 511, which is operated under the control of the control unit 70 to allow ink to be introduced into the inlc refill section 519.
  • a plurality of inlc refill ports 513 to 518 are provided at an upper portion of the ink refill section 519.
  • the fourth solenoid valve 562 is arranged between the sixth solenoid valve 511 and the ink refill section 519 so as to exhaust pressurized air under the control of the control unit 70 when the waste ink cartridge is filled with new ink.
  • the ink refill cylinders 520 to 525 are detachably coupled to a coupling member 526, which is fixedly installed in the receiving part 201 of the body section 201.
  • First ends of main intake hoses 504a to 509a are connected to the inlc intake ports 504 to 509, first ends of main refill hoses 513a to 518a are connected to the inlc refill ports 513 to 518, and second ends of main intake hoses 504a to 509a and main refill hoses 513a to 518a are connected to an upper portion of the coupling member 526.
  • connection ports 520a to 525a are provided at bottom portions of inlc refill cylinders 520 to 525.
  • the inlc quantity determining members 527 to 532 have cylindrical shapes and are installed in the inlc refill cylinders 520 to 525 in such a manner that the inlc quantity determining members 527 to 532 are moved up and down while maintaining a vacuum state.
  • a magnet 527a is fixedly inserted into each upper portion of the ink quantity determining members 527 to 532.
  • the proximity sensors 540 and 540' are provided at upper and lower ends of supporting bars 533 to 538, first ends of which are fixedly coupled to the coupling member 526 adjacent to the ink refill cylinders 520 to 525 in such a manner that the operation of the sixth solenoid valve 511 and the vacuum pump 401 is controlled by the control unit 70 as the magnets 527a provided in the inlc quantity determining members 527 to 532 approach the proximity sensors 540 and 540'.
  • One of the proximity sensors 540 and 540' is fixedly inserted into a moving member 539, which is moved along the supporting bars 533 to 538.
  • First ends of the ink feeding hoses 541 to 546 are connected to the comiection ports 520a to 525a of the inlc refill cylinders 520 to 525 and second ends of the ink feeding hoses 541 to 546 are connected to the new inlc reservoir.
  • a plurality of inlc feeding valves 541a to 546a operated under the control of the control unit 70 are installed in the inlc feeding hoses 541 to 546.
  • the ink feeding hoses 541 to 546 have branch sections 541b to 546b for feeding new ink into the waste inlc cartridge.
  • First ends of the inlc refill hoses 547 to 552 com ected to the branch sections 541b to 546b of the inlc feeding hoses 541 to 546 and second ends of the inlc refill hoses 547 to 552 are connected to the main inlc refill holes 313c of the jigs 313 to 317 and an injection port 336c formed in the pressing piece 336.
  • a plurality of inlc refill valves 547a to 552a operated under the control of the control unit 70 are installed in the inlc refill hoses 547 to 552.
  • a pair of ink adjustment valves 563 and 564 are installed in the inlc intake hose
  • the moving member 539 is used for adjusting an amount of new inlc introduced into the waste inlc cartridge. As shown in FIG. 7, not only the proximity sensor 540', but also the supporting bars 533 to 538 are fixedly inserted into the moving member 539.
  • the moving member 539 includes a moving piece 539a having an H- sectional shape and moving up and down, a fixing pin 539b passing through the moving piece 539a so as to press the supporting bars 533 to 538, thereby fixing the moving piece 539a, and an indication pin 539c fixedly installed at a front portion of the moving piece 539a so as to indicate an amount of inlc contained in the ink refill cylinders 519 to 525.
  • an on/off switch 204 is provided at one side of the body section 20 in order to allow a user to operate the vacuum pump 401
  • an ink suction hose 206 is provided at the other side of the body section 20 so as to intake and exhaust inlc remaining in the jigs 313 to 317 after the waste inlc cartridge has been filled with ink by means of the operation of the driving pump 401.
  • One end of the suction hose 206 is connected to the collecting container 402 and the other end of the suction hose 206 is hanging on a hanger section 207 installed at the other side of the body section 20.
  • the inlc refill apparatus for the waste ink cartridge according to the present invention can simultaneously exhaust waste inlc from a plurality of waste inlc cartridges installed in a plurality of jigs.
  • the following description will be made in connection with one waste cartridge installed in one jig for the purpose of explanation.
  • the user After installing the waste ink cartridge in the insertion groove of the jig 313 through the receiving member 301 of the fixing unit 30 fixedly installed at the front portion of the body section 20, the user operates the power button 601, selection buttons 602 and operation buttons 603, which are installed in the control panel 60. Then, The control section 702 of the control unit 70 opens the second solenoid valve 318 so that pressurized air is supplied from the pressurized air supplying section (not shown) into the pressurized air inlet port 327b of the selected pressing member 327 by way of the regulator 202, the second solenoid valve 318, the branch hose 319 and the pressurized air branching section 320.
  • the pressing piece 321 is moved down while pressing an upper portion of the waste ink cartridge.
  • control section 702 of the control unit 70 applies a control signal to the vacuum pump 401 of the waste ink exhausting unit 40 so that the vacuum pump 401 is driven, thereby exhausting waste ink from the waste inlc cartridge.
  • the first solenoid valve 308 installed at a front end of the jig 313, the fifth solenoid valve
  • the inlc quantity determining member 527 moves upwards.
  • the proximity sensor 540 detects the magnet 527a and sends a detected value to the control section 702.
  • the control section 702 Upon receiving the detected value for the magnet 527a, the control section 702 shuts off the inlc feeding valve 541 and opens the inlc refill valve 547a and the sixth solenoid valve 511. Therefore, pressurized air is introduced into the inlc refill cylinder 520 through the inlc refill hose 547, the inlc refill section 519, and the main refill hose 513a.
  • the inlc quantity determining member 527 installed in the introduced into the inlc refill cylinder 520 is moved down due to pressurized air introduced into the ink refill cylinder 520, so that new ink introduced into the introduced into the inlc refill cylinder 520 introduced into the main inlc refill hole 313c through the inlc feeding hose
  • the waste ink cartridge is filled with new ink.
  • the proximity sensor 540' detects the magnet 527a and sends a detected value to the control section 702.
  • control section 540 Upon receiving the detected value from the proximity sensor 540', the control section
  • control section 702 shuts off the inlc refill valve 547a and opens the fourth solenoid valve 562 and second solenoid 318, thereby exhausting remaining pressurized air.
  • control section 702 releases the pressing piece 321 applying pressure to the upper portion of the waste ink cartridge, thereby completing refill work for the waste ink cartridge.
  • the fixing unit automatically fixes the waste ink cartridge by using pressurized air, and waste inlc contained in the waste ink cartridge can be exhausted by the waste inlc exhausting unit having the vacuum pump.
  • waste inlc exhausting unit operates, new inlc is introduced into the inlc refill cylinder so that the waste inlc cartridge is filled with new inlc.
  • the ink refill cylinder for refilling the waste inlc cartridge with new inlc is operated by means of the vacuum pump and pressurized air so that impurities are not introduced into the waste ink cartridge when refilling the waste ink cartridge with new ink.

Abstract

Disclosed is an ink refill apparatus for refilling a waste ink cartridge with ink, capable of automatically fixing the waste ink cartridge while preventing impurities from being introduced into the waste ink cartridge. The ink refill apparatus includes a body section provided at a front center portion thereof with a receiving part, a fixing unit for fixing at least one of the ink cartridges installed in front of the receiving part of the body section by using pressurized air supplied thereto from a pressurized air supplying section, a waste ink exhausting unit installed in the body section so as to exhaust waste ink from the waste ink cartridges, an ink refill unit for refilling the waste ink cartridges with new ink supplied from an ink reservoir, a control panel section installed at a front upper portion of the body section and including a power button for turning on/off the ink refill apparatus and a plurality of selection buttons and operation buttons, and a control unit installed in the body section in order to control the fixing unit, the waste ink exhausting unit, and the ink refill unit as the power button is powered on and having a relay section and a control section for controlling an amount of refill ink.

Description

INK REFILL APPARATUS FOR WASTE INK CARTRIDGE
Technical Field The present invention relates to an ink refill apparatus for a waste ink cartridge, and more particularly to an automatic ink refill apparatus for a waste ink cartridge, capable of rapidly, stably and simultaneously refilling at least one of waste ink cartridges with new ink.
Background Art
Recently, as personal computers have been widely used, there is a great demand for printers.
Various kinds of printers are now available from markets and such printers include various kinds of ink cartridges in the form of small vessels for receiving ink. Ink contained in the ink cartridge may be exhausted when a certain period of time lapses, so users must exchange the waste ink cartridge with a new ink cartridge.
Currently, various kinds of ink refill apparatuses have been developed in order to reuse the waste ink cartridge by refilling the waste ink cartridge with new ink when ink contained in the ink cartridge has been completely exhausted. However, such ink refill apparatuses have a disadvantage in that a worker must manually refill the waste ink cartridge with new ink after fixing the waste ink cartridge, lowering workability.
In addition, when refilling the waste ink cartridge with new ink, impurities, such as lubricant for facilitating an operation of the ink refill apparatus, may be introduced into the waste ink cartridge together with new ink, so ink spreads on papers.
Disclosure of the Invention
Therefore, the present invention has been made in view of the above- mentioned problems occurring in the prior art, and it is an object of the present invention to provide an ink refill apparatus for waste ink cartridges, capable of automatically refilling at least one of waste ink cartridges with new ink by automatically fixing the waste ink cartridges while preventing impurities from being introduced into the waste ink cartridges when refilling the waste ink cartridges with new ink. Brief Description of the Drawings
The foregoing and other objects, features and advantages of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which: FIG. 1 is a left-side perspective view showing an ink refill apparatus for a waste ink cartridge according to one embodiment of the present invention;
FIG. 2 is a right-side perspective view showing an inlc refill apparatus for a waste ink cartridge according to one embodiment of the present invention;
FIG. 3 is a front view showing an inlc refill apparatus for a waste ink cartridge according to one embodiment of the present invention;
FIG. 4 is a rear view showing an inlc refill apparatus for a waste inlc cartridge according to one embodiment of the present invention;
FIG. 5 is a bottom view showing an inlc refill apparatus for a waste inlc cartridge according to one embodiment of the present invention; FIG. 6 is a view showing a structure of an inlc refill apparatus for a waste inlc cartridge shown in FIG. 1 according to one embodiment of the present invention; and
FIG. 7 is an exploded perspective view showing an ink refill cylinder, an inlc quantity determining member, and a proximity sensor installed in a supporting bar of an ink refill apparatus for a waste ink cartridge according to one embodiment of the present invention.
Best Mode for Carrying Out the Invention
In order to accomplish the above object, there is provided an ink refill apparatus comprises a body section provided at a front center portion thereof with a receiving part, a fixing unit for fixing at least one of the inlc cartridges installed in front of the receiving part of the body section by using pressurized air supplied thereto from a pressurized air supplying section, a waste inlc exhausting unit installed in the body section so as to exhaust waste inlc from the waste inlc cartridges, an inlc refill unit for refilling the waste ink cartridges with new inlc supplied from an ink reservoir, a control panel section installed at a front upper portion of the body section and including a power button for turning on/off the inlc refill apparatus and a plurality of selection buttons and operation buttons, and a control unit installed in the body section in order to control the fixing unit, the waste inlc exhausting unit, and the inlc refill unit as the power button is powered on and having a relay section and a control section for controlling an amount of refill inlc.
Hereinafter, a preferred embodiment of the present invention will be described with reference to accompanying drawings.
It is noted that a basic concept of the present invention is to simultaneously refill at least one of waste inlc cartridges with inlc by fixing or releasing various inlc cartridges installed in a printer using pressurized air and to prevent impurities from being introduced into the ink cartridges when refilling the inlc cartridges with inlc by movably installing an ink quantity determining member having a vacuum state in an inlc refill cylinder. Hereinafter, a preferred embodiment of an ink refill apparatus for a waste inlc cartridge having the above basic concept will be described with reference to accompanying drawings.
FIGS. 1 to 5 show the ink refill apparatus for the waste inlc cartridge according to the present invention. As shown in FIG. 1, the ink refill apparatus 10 for the waste inlc cartridge includes a body section 20 provided at a front center portion thereof with a receiving part 201, a fixing unit 30 for fixing at least one of various ink cartridges installed in front of the receiving part 201 of the body section 20 by using pressurized air supplied thereto from a pressurized air supplying section, a waste ink exhausting unit 40 installed in the body section 20 so as to exhaust waste ink from the waste inlc cartridges, an inlc refill unit 50 for refilling the waste ink cartridges with new inlc supplied from an ink reservoir, a control panel section 60 installed at a front upper portion of the body section 20 and including a power button 601 for turning on/off the inlc refill apparatus 10 and a plurality of selection buttons 602 and operation buttons 603, and a control unit 70 installed in the body section 20 in order to control the fixing unit 30, the waste inlc exhausting unit 40, and the inlc refill unit 50 as the power button 601 is powered on and having a relay section 701 and a control section 702 for controlling an amount of refill inlc.
The fixing unit 30 has a plurality of receiving members 301 to 307 installed at a front portion of the body section 20 so as to receive the waste ink cartridge. At least one of jigs 313 to 317 is fixed to a lower portion of at least one of the receiving members 301 to 307. An insertion groove 313a having a sectional shape corresponding to a sectional shape of the waste inlc cartridge is formed at each upper portion of the jigs 313 to 317 in order to receive the waste inlc cartridge. A main ink exhaust hole 313b for exhausting waste inlc from the waste ink cartridge and a main inlc refill hole 313c for refilling the waste inlc cartridge with new inlc are formed at a bottom portion of the insertion hole 313a. The jigs 313 to 317 are provided at front portions thereof with first solenoid valves 308 to 312 for opening/closing the main inlc exhaust holes 313b under the control of the control unit 70. At least one of pressing members 327 to 332 is provided at an upper portion of at least one of the receiving members 301 to 307 in order to press an upper portion of the waste ink cartridge inserted into the insertion groove 313a. The pressing members 327 to 332 are formed at front portions thereof with a plurality of pressurized air inlet ports 327a, 327b, 328a, 328b, 329a, 329b, 330a, 330b, 331a, 331b, 332a, and 332b. Pressurized air supplied from a pressurized air supplying section (not shown) is introduced into the pressurized air inlet ports 327a, 327b, 328a, 328b, 329a, 329b, 330a, 330b, 331a, 331b, 332a, and 332b through a regulator 202 installed at one side of the body section 20 in order to adjust pressure of pressurized air and to remove impurities contained in pressurized air, a second solenoid valve 318, a branch hose 319 and a pressurized air branching section 320. The pressing members 327 to 332 are provided at lower portions thereof with pressing pieces 321 to 326, which are movable up and down corresponding to pressurized air introduced into the pressurized air inlet ports 327a, 327b, 328a, 328b, 329a, 329b, 330a, 330b, 331a, 331b, 332a, and 332b. An inlc injection port 326c is formed at one of the pressing pieces 321 to 326 in order to refill the waste inlc cartridge with new ink.
As shown in FIG. 6, the waste inlc exhausting unit 40 includes a vacuum pump 401 installed in the body section 20 and driven by receiving power from a power supply section so as to exhaust waste inlc from the waste inlc cartridge fixed by the fixing unit 30, a collecting container 402 connected to the vacuum pump 401 through a vacuum hose 401a so as to collect waste inlc therein using waste ink draining hoses 402a to 402f, which are connected to a bottom portion of the main inlc exhaust hole 313b of the jigs 313 to 317 or a bottom portion of the receiving member 307, when waste inlc is exhausted from the waste inlc cartridge by means of the vacuum pump 401, and a third solenoid valve 403 installed at a lower portion of the waste ink collecting container 402 and operated under the control of the control unit 70 in order to exhaust waste inlc from the waste inlc collecting container 402 to a main waste ink reservoir. The inlc refill unit 50 includes a fixing member 501 vertically installed on the body section so as to refill the empty waste inlc cartridge with new ink, an ink intake section 510, an ink refill section 519, a fourth solenoid valve 562, a plurality of inlc refill cylinders 520 to 525 made from transparent acryl material, a plurality of ink quantity determining members 527 to 532 made from transparent acryl material, a pair of proximity sensors 540 and 540', a plurality of inlc feeding hoses 541 to 546, and a plurality of ink refill hoses 547 to 552. The ink intake section 510 is provided at one side of an upper portion of the fixing member 501. The ink intake section 510 is connected to the waste inlc collecting container 402 through an inlc intake hose 503 having a fifth solenoid valve 502, which is operated under the control of the control unit 70 to allow ink to be introduced into the inlc intake section 510. A plurality of inlc intake ports 504 to 509 are provided at an upper portion of the inlc intake section 510. The inlc refill section 519 is fixed to the other side of the upper portion of the fixing member 501, The inlc refill section 519 is connected to the branch hose 319 through an inlc injection hose 512 having a sixth solenoid valve 511, which is operated under the control of the control unit 70 to allow ink to be introduced into the inlc refill section 519. A plurality of inlc refill ports 513 to 518 are provided at an upper portion of the ink refill section 519. The fourth solenoid valve 562 is arranged between the sixth solenoid valve 511 and the ink refill section 519 so as to exhaust pressurized air under the control of the control unit 70 when the waste ink cartridge is filled with new ink. The ink refill cylinders 520 to 525 are detachably coupled to a coupling member 526, which is fixedly installed in the receiving part 201 of the body section 201. First ends of main intake hoses 504a to 509a are connected to the inlc intake ports 504 to 509, first ends of main refill hoses 513a to 518a are connected to the inlc refill ports 513 to 518, and second ends of main intake hoses 504a to 509a and main refill hoses 513a to 518a are connected to an upper portion of the coupling member 526. As shown in FIG. 7, connection ports 520a to 525a are provided at bottom portions of inlc refill cylinders 520 to 525. The inlc quantity determining members 527 to 532 have cylindrical shapes and are installed in the inlc refill cylinders 520 to 525 in such a manner that the inlc quantity determining members 527 to 532 are moved up and down while maintaining a vacuum state. A magnet 527a is fixedly inserted into each upper portion of the ink quantity determining members 527 to 532. The proximity sensors 540 and 540' are provided at upper and lower ends of supporting bars 533 to 538, first ends of which are fixedly coupled to the coupling member 526 adjacent to the ink refill cylinders 520 to 525 in such a manner that the operation of the sixth solenoid valve 511 and the vacuum pump 401 is controlled by the control unit 70 as the magnets 527a provided in the inlc quantity determining members 527 to 532 approach the proximity sensors 540 and 540'. One of the proximity sensors 540 and 540'is fixedly inserted into a moving member 539, which is moved along the supporting bars 533 to 538. First ends of the ink feeding hoses 541 to 546 are connected to the comiection ports 520a to 525a of the inlc refill cylinders 520 to 525 and second ends of the ink feeding hoses 541 to 546 are connected to the new inlc reservoir. A plurality of inlc feeding valves 541a to 546a operated under the control of the control unit 70 are installed in the inlc feeding hoses 541 to 546. The ink feeding hoses 541 to 546 have branch sections 541b to 546b for feeding new ink into the waste inlc cartridge. First ends of the inlc refill hoses 547 to 552 com ected to the branch sections 541b to 546b of the inlc feeding hoses 541 to 546 and second ends of the inlc refill hoses 547 to 552 are connected to the main inlc refill holes 313c of the jigs 313 to 317 and an injection port 336c formed in the pressing piece 336. A plurality of inlc refill valves 547a to 552a operated under the control of the control unit 70 are installed in the inlc refill hoses 547 to 552. A pair of ink adjustment valves 563 and 564 are installed in the inlc intake hose
503 and the inlc injection hose 512, respectively, so as to prevent bubbles from being formed in ink by adjusting a moving speed of the ink quantity determining members 527 to 532 installed in the ink refill cylinders 519 to 525.
The moving member 539 is used for adjusting an amount of new inlc introduced into the waste inlc cartridge. As shown in FIG. 7, not only the proximity sensor 540', but also the supporting bars 533 to 538 are fixedly inserted into the moving member 539. The moving member 539 includes a moving piece 539a having an H- sectional shape and moving up and down, a fixing pin 539b passing through the moving piece 539a so as to press the supporting bars 533 to 538, thereby fixing the moving piece 539a, and an indication pin 539c fixedly installed at a front portion of the moving piece 539a so as to indicate an amount of inlc contained in the ink refill cylinders 519 to 525.
In addition, an on/off switch 204 is provided at one side of the body section 20 in order to allow a user to operate the vacuum pump 401, and an ink suction hose 206 is provided at the other side of the body section 20 so as to intake and exhaust inlc remaining in the jigs 313 to 317 after the waste inlc cartridge has been filled with ink by means of the operation of the driving pump 401. One end of the suction hose 206 is connected to the collecting container 402 and the other end of the suction hose 206 is hanging on a hanger section 207 installed at the other side of the body section 20. Hereinafter, an operation of the inlc refill apparatus for the waste inlc cartridge having the above-mentioned structure according to the present invention will be described.
The inlc refill apparatus for the waste ink cartridge according to the present invention can simultaneously exhaust waste inlc from a plurality of waste inlc cartridges installed in a plurality of jigs. However, the following description will be made in connection with one waste cartridge installed in one jig for the purpose of explanation.
As shown in FIGS. 1 to 7, after installing the waste ink cartridge in the insertion groove of the jig 313 through the receiving member 301 of the fixing unit 30 fixedly installed at the front portion of the body section 20, the user operates the power button 601, selection buttons 602 and operation buttons 603, which are installed in the control panel 60. Then, The control section 702 of the control unit 70 opens the second solenoid valve 318 so that pressurized air is supplied from the pressurized air supplying section (not shown) into the pressurized air inlet port 327b of the selected pressing member 327 by way of the regulator 202, the second solenoid valve 318, the branch hose 319 and the pressurized air branching section 320.
Accordingly, the pressing piece 321 is moved down while pressing an upper portion of the waste ink cartridge.
Then, the control section 702 of the control unit 70 applies a control signal to the vacuum pump 401 of the waste ink exhausting unit 40 so that the vacuum pump 401 is driven, thereby exhausting waste ink from the waste inlc cartridge. At this time, the first solenoid valve 308 installed at a front end of the jig 313, the fifth solenoid valve
502 of the inlc refill unit 50 and the inlc feeding valve 541 are opened.
Due to the operation of the vacuum pump 401, air contained in the collecting container 402 is completely exhausted through the vacuum hose 401 so that the collecting container 402 is maintained in a vacuum state. Thus, waste inlc contained in the waste inlc cartridge installed in the jig 313 of the fixing unit 30 is exhausted towards the collecting container 402 through the waste inlc draining hoses 402a. At the same time, since the fifth solenoid valve 502 and the inlc feeding valve 541 have been opened, new inlc is introduced into the inlc refill cylinder 520 from the new inlc reservoir (not shown).
That is, as the vacuum pump 401 operates, air contained in the inlc refill cylinder 520 is exhausted into the collecting container through the inlc intake port 504 connected to the ink intake hose 503 and the main intake hose 504a connected to the inlc intake port 504, so that new inlc is introduced into the ink refill cylinder 520 through the inlc feeding hose 541 connected to both connection port 520a of the inlc refill cylinder 520 and new inlc reservoir.
As new inlc is introduced into the inlc refill cylinder 520, the inlc quantity determining member 527 moves upwards.
While the inlc quantity determining member 527 is moving upwards, if the magnet 527a approaches the proximity sensor 540, the proximity sensor 540 detects the magnet 527a and sends a detected value to the control section 702.
Upon receiving the detected value for the magnet 527a, the control section 702 shuts off the inlc feeding valve 541 and opens the inlc refill valve 547a and the sixth solenoid valve 511. Therefore, pressurized air is introduced into the inlc refill cylinder 520 through the inlc refill hose 547, the inlc refill section 519, and the main refill hose 513a.
The inlc quantity determining member 527 installed in the introduced into the inlc refill cylinder 520 is moved down due to pressurized air introduced into the ink refill cylinder 520, so that new ink introduced into the introduced into the inlc refill cylinder 520 introduced into the main inlc refill hole 313c through the inlc feeding hose
541, the refill valve 547a and the refill hose 512. Accordingly, the waste ink cartridge is filled with new ink.
At this time, if the magnet 527a approaches the proximity sensor 540' while the ink quantity determining member 527 is moving downwards, the proximity sensor 540' detects the magnet 527a and sends a detected value to the control section 702.
Upon receiving the detected value from the proximity sensor 540', the control section
702 shuts off the inlc refill valve 547a and opens the fourth solenoid valve 562 and second solenoid 318, thereby exhausting remaining pressurized air. In addition, the control section 702 releases the pressing piece 321 applying pressure to the upper portion of the waste ink cartridge, thereby completing refill work for the waste ink cartridge.
While this invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiment and the drawings, but, on the contrary, it is intended to cover various modifications and variations within the spirit and scope of the appended claims.
Industrial Applicability
As can be seen from the foregoing, according to the present invention, the fixing unit automatically fixes the waste ink cartridge by using pressurized air, and waste inlc contained in the waste ink cartridge can be exhausted by the waste inlc exhausting unit having the vacuum pump. In addition, as the waste inlc exhausting unit operates, new inlc is introduced into the inlc refill cylinder so that the waste inlc cartridge is filled with new inlc. Furthermore, the ink refill cylinder for refilling the waste inlc cartridge with new inlc is operated by means of the vacuum pump and pressurized air so that impurities are not introduced into the waste ink cartridge when refilling the waste ink cartridge with new ink.

Claims

Claims
1. An inlc refill apparatus for exhausting waste ink from a waste inlc cartridge and for automatically refilling at least one of waste inlc cartridges with new ink, the inlc refill apparatus comprising: a body section provided at a front center portion thereof with a receiving part; a fixing unit for fixing at least one of the inlc cartridges installed in front of the receiving part of the body section by using pressurized air supplied thereto from a pressurized air supplying section; a waste ink exhausting unit installed in the body section so as to exhaust waste inlc from the waste ink cartridges; an ink refill unit for refilling the waste inlc cartridges with new inlc supplied from an inlc reservoir; a control panel section installed at a front upper portion of the body section and including a power button for turning on/off the inlc refill apparatus and a plurality of selection buttons and operation buttons; and a control unit installed in the body section in order to control the fixing unit, the waste inlc exhausting unit, and the ink refill unit as the power button is powered on and having a relay section and a control section for controlling an amount of refill inlc.
2. The inlc refill apparatus as claimed in claim 1, wherein the fixing unit includes: a plurality of receiving members provided at a front portion of the body section so as to receive the waste inlc cartridge; at least one jig fixed to a lower portion of at least one of the receiving members, an insertion groove having a sectional shape corresponding to a sectional shape of the waste inlc cartridge being formed at an upper portion of the jig in order to receive the waste ink cartridge, a main ink exhaust hole for exhausting waste inlc from the waste inlc cartridge and a main ink refill hole for refilling the waste inlc cartridge with new ink being formed at a bottom portion of the insertion hole, the jig being provided at a front portion thereof with a first solenoid valve for opening/closing the main ink exhaust hole under a control of the control unit; and at least one pressing member provided at an upper portion of at least one of the receiving members in order to apply pressure to an upper portion of the waste inlc cartridge inserted into the insertion groove of the jig, the pressing member being formed at a front portion thereof with a plurality of pressurized air inlet ports for receiving pressurized air supplied from a pressurized air supplying section through a second solenoid valve, a branch hose and a pressurized air branching section, the pressing member being provided at a lower portion thereof with a pressing piece, which is movable up and down corresponding to pressurized air introduced into the pressurized air inlet ports, the pressing piece having an inlc injection port in order to refill the waste inlc cartridge with new inlc.
3. The ink refill apparatus as claimed in claim 1, wherein the waste inlc exhausting unit includes : a vacuum pump installed in the body section and driven by receiving power from a power supply section so as to exhaust waste inlc from the waste inlc cartridge fixed by the fixing unit; a collecting container connected to the vacuum pump through a vacuum hose so as to collect waste ink therein using waste ink draining hoses, which are connected to a bottom portion of the main ink exhaust hole of the jig or a bottom portion of the receiving member, when waste inlc is exhausted from the waste inlc cartridge by means of the vacuum pump; and a second solenoid valve installed at a lower portion of the waste ink collecting container and operated under a control of the control unit in order to exhaust waste inlc from the waste ink collecting container to a main waste ink reservoir.
4. The inlc refill apparatus as claimed in claim 1, wherein the inlc refill unit includes: a fixing member vertically installed on the body section so as to refill the waste inlc cartridge, in which waste inlc is completely exhausted by the waste inlc exhausting unit, with new inlc; an inlc intake section provided at a first side of an upper portion of the fixing member and connected to a waste inlc collecting container through an inlc intake hose having a second solenoid valve, which is operated under a control of the control unit to allow inlc to be introduced into the ink intake section, a plurality of inlc intake ports being provided at an upper portion of the inlc intake section; an inlc refill section fixed to a second side of the upper portion of the fixing member and connected to a branch hose through an ink injection hose having a third solenoid valve, which is operated under a control of the control unit to allow inlc to be introduced into the ink refill section, a plurality of ink refill ports being provided at an upper portion of the inlc refill section; an inlc refill cylinder detachably coupled to a coupling member, which is fixedly installed in the receiving part of the body section, first ends of main intake hoses being connected to the inlc intake ports, first ends of main refill hoses being connected to the ink refill ports, second ends of main intake hoses and main refill hoses being connected to an upper portion of the coupling member, a connection port being provided at a bottom portion of the inlc refill cylinder; an ink quantity determining member having a cylindrical shape and installed in the inlc refill cylinder in such a manner that the inlc quantity determining member is moved up and down while maintaining a vacuum state, a magnet being fixedly inserted into an upper portion of the ink quantity determining member; a pair of proximity sensors provided at upper and lower ends of a supporting bar, a first end of which is fixedly coupled to the coupling member adjacent to the ink refill cylinder in such a manner that an operation of an ink refill solenoid valve and the vacuum pump is controlled by the control unit as the magnet provided in the inlc quantity determining member approaches the proximity sensors, one of the proximity sensors being fixedly inserted into a moving member, which is moved along the supporting bar; an inlc feeding hose having a first end connected to the connection port of the inlc refill cylinder and a second end connected to a new ink reservoir, an ink feeding valve operated under a control of the control unit being installed in the inlc feeding hose, the inlc feeding hose having a branch section for feeding new inlc into the waste inlc cartridge; and an inlc refill hose having a first end connected to the branch section of the inlc feeding hose and a second end connected to both main inlc refill hole of the jig and injection port formed in a pressing piece, an ink refill valve operated under a control of the control unit being installed in the ink refill hose.
5. The inlc refill apparatus as claimed in claim 3, further comprising an on/off switch 204 provided at a first side of the body section in order to operate the vacuum pump, and an ink suction hose provided at a second side of the body section so as to intake and exhaust inlc remaining in the jig after the waste inlc cartridge is filled with inlc by means of the driving pump, a first end of the suction hose being connected to a collecting container, a second end of the suction hose hanging on a hanger section installed at the second side of the body section.
6. The inlc refill apparatus as claimed in claim 4, further comprising a fourth solenoid valve arranged between the ink refill solenoid valve and the ink refill section so as to exhaust pressurized air under a control of the control unit when the waste inlc cartridge is filled with new inlc.
7. The ink refill apparatus as claimed in claim 4, wherein each of the inlc refill cylinder and the inlc quantity determining member is made from transparent acryl.
8. The ink refill apparatus as claimed in claim 4, wherein the moving member includes a moving piece moving up and down and having an H-sectional shape such that the proximity sensor and the supporting bar are fixedly inserted into the moving piece, a fixing pin passing through the moving piece so as to press the supporting bars, thereby fixing the moving piece, and an indication pin fixedly installed at a front portion of the moving piece so as to indicate an amount of inlc contained in the ink refill cylinder.
9. The inlc refill apparatus as claimed in claim 4, further comprising a pair of inlc adjustment valves installed in the ink intake hose and the ink injection hose, respectively, so as to prevent bubbles from being formed in ink by adjusting a moving speed of the inlc quantity determining member installed in the ink refill cylinder.
PCT/KR2004/000466 2003-03-05 2004-03-05 Ink refill apparatus for waste ink cartridge WO2004091920A1 (en)

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Application Number Priority Date Filing Date Title
KR20-2003-0006517 2003-03-05
KR20-2003-0006517U KR200315829Y1 (en) 2003-03-05 2003-03-05 Ink refill equipment for waste ink cartridge

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WO2006072157A1 (en) * 2005-01-07 2006-07-13 Samuel Isacco Hazan Device and method for the refill of inkjet printer cartridges
CN1332814C (en) * 2005-01-28 2007-08-22 缪则夫 Composite cylinder pressurizing ink-joiner
US7571995B2 (en) * 2005-04-27 2009-08-11 Intek Co., Ltd. Ink cartridge refill system for inkjet printers and method of refilling ink cartridges using the same
WO2007046652A1 (en) 2005-10-20 2007-04-26 Inktec Co., Ltd. Ink recharging system for ink cartridge, bulk ink cartridge used in said system, and ink recharging method using them
EP1976701A1 (en) * 2005-10-20 2008-10-08 Inktec Co., Ltd. Ink recharging system for ink cartridge, bulk ink cartridge used in said system, and ink recharging method using them
EP1976701A4 (en) * 2005-10-20 2010-08-11 Inktec Co Ltd Ink recharging system for ink cartridge, bulk ink cartridge used in said system, and ink recharging method using them
US7661804B2 (en) * 2005-12-23 2010-02-16 Inktec Co., Ltd. Ink recharge system and ink recharge method for ink cartridge
WO2007141553A1 (en) * 2006-06-09 2007-12-13 Cartucho Holdings Ltd. Inkjet cartridge refilling system
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EP2014474A1 (en) * 2007-06-18 2009-01-14 Canon Kabushiki Kaisha Method for refilling ink cartridge
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CN102717603A (en) * 2012-06-29 2012-10-10 珠海天威飞马打印耗材有限公司 Ink filling device
CN106985539A (en) * 2015-12-07 2017-07-28 精工爱普生株式会社 Fluid supply unit and tape deck
CN106985539B (en) * 2015-12-07 2018-08-03 精工爱普生株式会社 Fluid supply unit and recording device

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