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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
  • B04B—CENTRIFUGES
  • B04B5/00—Other centrifuges
  • B04B5/02—Centrifuges consisting of a plurality of separate bowls rotating round an axis situated between the bowls
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
  • B04B—CENTRIFUGES
  • B04B7/00—Elements of centrifuges
  • B04B7/02—Casings; Lids
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
  • B04B—CENTRIFUGES
  • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
  • B04B9/14—Balancing rotary bowls ; Schrappers
• • 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
  • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
  • B04B—CENTRIFUGES
  • B04B7/00—Elements of centrifuges
  • B04B2007/005—Retaining arms for gripping the stationary part of a centrifuge bowl or hold the bowl itself
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
  • B04B—CENTRIFUGES
  • B04B11/00—Feeding, charging, or discharging bowls
  • B04B11/04—Periodical feeding or discharging; Control arrangements therefor
  • B04B2011/046—Loading, unloading, manipulating sample containers

Definitions

• the present invention relates to a centrifugal separator for removing residual ink in an ink cartridge, and more particularly, to such a centrifugal separator, which is operated to remove residual ink remained in the ink cartridge so that it can be refilled.
• the accommodated ink in the ink cartridge has been completely consumed from a printer body, there has been usually remained a little amount of ink in the ink cartridge. If residual ink remains in the ink cartridge, when the ink cartridge is to be refilled, the residual ink causes several problems such as decrease of the printing quality and difficulty in determining the volume of the ink to be refilled, and the like, so that it is desirous to remove the entire residual ink.
• absorption of the residual ink is generally employed to remove the residual ink in the ink cartridge, and in the US Patent No.6, 773, 087 (2004. 8. 10), there is disclosed a discharge device, in which cleansing solution is filled in the cartridge for cleansing the inside of the ink cartridge and discharge the cleansing solution by using a centrifugal separator .
• a vacuum pump, and the like are required, so that problems are arising that the structure of the device becomes complex, and the installation cost increases.
• the present invention provides a centrifugal separator for removing residual ink in an ink cartridge, comprising a frame formed into a box type closed body and is provided with a lid at the upper portion thereof; a motor disposed vertically by means of a shaft at the inside of a frame; a rotation plate engaged with a rotation shaft of the motor so that it can be operated in cooperation with the rotation shaft; securing means formed in a rod shape and disposed at the upper portion of the rotation plate so that it is elastically supported by a spring for securing a side of the ink cartridge to thereby prevent the movement of the secured ink cartridge at the time of the centrifugal separation; an ink cartridge securing portion for securing the ink cartridge so that a residual ink discharge opening of the ink cartridge is directed to the outside so as to discharge the residual ink in the ink cartridge by means of the centrifugal force produced by the rotation of the rotation plate; an accommodation vessel formed by the frame for accommodating and hermetically
• the ink cartridge securing portion of the present invention is characterized by being provided with a fastening screw at one side of the upper portion for securing the ink cartridge, and a securing plate at the lower portion of the fastening screw for securing the upper portion of the ink cartridge by the movement to the lower portion by means of the fastening, and further comprising a residual ink accommodation vessel disposed detachably at the frame and positioned at the lower portion of the discharge portion for collecting the residual ink in the ink cartridge, which is discharged from the discharge portion.
• the present invention is characterized by comprising a movement prevention portion secured to the accommodation vessel and formed in a "CZ 7 shape for accommodating the rotation plate, and in which a bearing is disposed at the inside to engage with the outside of the rotation plate, for preventing the movement of the rotation plate to the right and left.
• the ink cartridge securing portions of the present invention are characterized by being secured to the upper portion of the rotation plate by at least two pieces so that they are symmetric to each other with respect to the rotation shaft of the motor to minimize the vibration and the noise. Meanwhile, when any one ink cartridge is applied of the centrifugal separation, or at least two ink cartridges having different weights are applied of the centrifugal separation at the same time according to the circumstances, there occurs a weight difference of the opposite securing portions with respect to the rotation shaft of the motor to thereby produce the vibration and the noise, resulting in the reduction of the durability of the device.
• the present invention employs following characteristic measures to overcome such problems.
• the ink cartridge securing portion is characterized in that it is disposed at one side of the upper portion of the rotation plate, and a balance-weight securing portion corresponding to a weight of the ink cartridge securing portion and the ink cartridge secured thereto is further disposed at the other side of the upper portion of the rotation plate to align the center of weight between the right and left.
• the ink cartridge securing portion of the present invention is characterized by being disposed at one side of the upper portion of the rotation plate, and a balance-weight securing portion is disposed at the other side for aligning center of weight between the right and left by securing a balance-weight thereon, which corresponds to a weight of the ink cartridge securing portion and the ink cartridge secured thereto, and can be moved slide to the inside and outside so that it can be adjusted to align the center of weight between the right and left.
• the ink cartridge securing portion of the present invention is characterized in that it further comprises a plurality of engagement openings into which the balance-weight is engaged from one side, so that the weight can be adjusted to be symmetric to the right and left with respect to the rotation shaft of the motor by securing the ink cartridges having weights different from each other on the ink cartridge securing portions.
• FIG. 1 is a perspective view showing an outer appearance of a centrifugal separator for removing residual ink in an ink cartridge according to the present invention
• FIG. 2 is a perspective view showing a principal portion of the centrifugal separator for removing the residual ink in an ink cartridge according to the present invention
• FIG. 3 is a perspective view showing an inner structure of the centrifugal separator for removing the residual ink in an ink cartridge according to the present invention
• FIG. 4 is a detailed view showing ⁇ A" portion of FIG. 3;
• FIG. 5 is a detailed view showing "B" portion of FIG. 3;
• FIG. ⁇ is a detailed view showing X ⁇ C" portion of FIG. 3;
• FIG. 7 is a perspective view showing a principal portion of the centrifugal separator for removing residual ink in an ink cartridge according to first embodiment of the present invention
• FIG. 8 a is perspective view showing a principal portion of the centrifugal separator for removing residual ink in an ink cartridge according to second embodiment of the present invention
• FIG. 9 is a perspective view showing a principal portion of the centrifugal separator for removing residual ink in an ink cartridge according to third embodiment of the present invention
• FIG. 10 is a perspective view showing a principal portion of the centrifugal separator for removing the residual ink in an ink cartridge according to fourth embodiment of the present invention .
• ink cartridge 10 frame 11: lid 12: power switch
• FIG. 1 is a perspective view showing an outer appearance of a centrifugal separator for removing the residual ink in an ink cartridge according to the present invention
• FIG. 2 is a perspective view showing a principal portion of the centrifugal separator for removing the residual ink in an ink cartridge according to the present invention
• FIG. 3 is a perspective view showing an inner structure of the centrifugal separator for removing the residual ink in an ink cartridge according to the present invention
• FIG. 4 is a detailed view showing "A" portion of FIG. 3
• FIG. 5 is a detailed view showing "B" portion of FIG. 3
• FIG. 6 is a detailed view showing "C" portion of FIG. 3.
• the centrifugal separator 100 for removing the residual ink in an ink cartridge comprises a frame 10 formed into a box-like body and provided with a lid 11 at the upper portion; a motor 20 disposed by means of a shaft at the inside of the frame 10; a rotation plate 30 engaged with a rotation shaft 21 of the motor 20; an ink cartridge securing portion 40 secured to the upper portion of the rotation plate 30; securing means 44 formed of at least two rods and disposed at the upper portion of the rotation plate 30 for preventing the movement of the cartridge when the centrifugal separator is operated; an accommodation vessel 50 for accommodating and hermetically sealing the rotation plate 30 and the ink cartridge securing portion 40; and a discharge portion 70 disposed below the side wall of the accommodation vessel 60 for discharging the residual ink in the ink cartridge.
• the frame 10 is formed into a box-like body and is provided with a lid 11 at the upper portion.
• the frame 10 is also provided with a motor 20, a rotation plate 30, an ink cartridge securing portion 40, an accommodation vessel 50, and a discharge portion at the inside, and is provided with a power switch 12 for supplying and intercepting the electric power to the motor 20 at the front.
• the frame 10 is provided with an emergency switch 13 for intercepting the electric power at the time of emergency at the front, a timer 14 for controlling the rotation time of the motor 20, and a speedometer 15 for displaying the rotation speed of the motor 20.
• the motor 20 is provided at the inside of the frame vertically, the rotation shaft 21 of the motor 20 is engaged with the rotation plate 30 to rotate the rotation plate 30.
• the rotation shaft 21 of the motor 20 is engaged with a bushing 22, which is secured to the rotation shaft 21 by means of a key 23 and is secured to the rotation plate 30 by means of a pin 24.
• a bushing 22 which is secured to the rotation shaft 21 by means of a key 23 and is secured to the rotation plate 30 by means of a pin 24.
• the engagement of the motor 20 with the rotation plate 30 is shown that it is made by means of the bushing 22, it can be modified to engage with the motor by means of a spline formed at the rotation plate 30, or the engaging means can be modified into several forms such as a cotter joint.
• the rotation plate 30 is engaged with the rotation shaft 21 of the motor 20 to be rotated in coupled relation with the rotation shaft 21.
• the rotation plate 30 is engaged with the ink cartridge securing portion 40 at the upper portion, so that it is rotated by the rotation of the rotation shaft 30. As shown in FIG.
• securing means 44 having a rod shape are provided at the upper portion of the rotation plate 30 for securing the side of the ink cartridge so that the movement of the ink cartridge 1, which is elastically supported by means of a spring 45, in the left and right can be prevented at the time of the centrifugal separation.
• the ink cartridge securing portion 40 is disposed at the upper portion of the rotation plate 30, for securing the ink cartridge 1 so that a discharge opening for the residual ink of the ink cartridge 1 is disposed at the outside to discharge the residual ink remained in the ink cartridge by the centrifugal force generated by the rotation of the rotation plate 30.
• the ink cartridge securing portions 40 are provided at the upper portion of the rotation plate 30 by at least two pieces .
• the ink cartridge securing portion 40 is provided with a fastening screw 41 for securing the ink cartridge at one side of the upper portion, and a securing plate 42 is provided at the lower portion of the fastening screw 41 for securing the ink cartridge so that it is moved to the lower portion by the fastening of the fastening screw 41 to thereby A.
• the fastening screw 41 for securing the ink cartridge and the securing plate 42 is rotatably engaged with each other so that the securing plate 42 can be moved to the lower portion without any rotation in spite of the rotation of the fastening screw 41.
• the lower portion of the fastening screw 41 is engaged by rotatably inserting a securing pin 43, however, various types of engagement can be employed. Also, as shown in FIG.
• another securing means 44 having a rod shape are provided at the lower portion of the securing plate 42 for securing the side of the ink cartridge so that the movement of the ink cartridge 1, which is elastically supported by means of a spring 45, in the left and right can be more securely prevented at the time of the centrifugal separation.
• the centrifugal separation is carried out at the state of securing the ink cartridge 1 by means of the securing plate 42 with the fastening of the fastening screw 41, the device is made to rotate at high speed so that the ink cartridge 1 is forced in one direction to thereby be moved in the right and left.
• the securing means 44 is made to secure the side of the ink cartridge 1 to thereby prevent movement to the right and left, which is produced in this regard.
• the securing means 44 is preferable to be disposed at proper positions by plural pieces so that it can secure the side of the ink cartridge 1 to correspond to the respective size of the various ink cartridges 1.
• the securing means disposed at a position where the distance of the one side of the securing portion is smaller than the distance of the cartridge according to the size of the cartridge, is lowered by the pressing of the cartridge, and the securing means 44, which is located at a position where the length of the cartridge is the same as the distance of the securing portion, secures the other side of the ink cartridge.
• the accommodation vessel 50 is secured to the frame 10, and closed tightly by accommodating the rotation plate 30 and the ink cartridge securing portion 40.
• the accommodation vessel 50 is provided with a discharge opening at the lower portion of the side wall 51 for collecting and discharging the residual ink remained in the ink cartridge.
• a movement prevention portion 60 is further fixedly disposed at the lower portion of the accommodation vessel 50.
• the movement prevention portion 60 is provided with a accommodation plate 61 formed in a "C" shape and a bearing 62 engaged with the outer portion of the rotation plate 30 at the inside, in which the rotation plate 30 is received.
• the movement prevention portion 60 functions to prevent the movement of the rotation plate 30 in the left and right directions, which is produced due to the movement of the rotation shaft 21 in the left and right directions, when the rotation plate 30 is made to rotate by the shaft 21 of the motor 20 because the securing portion 40 fixed to the upper portion of the rotation plate 30 is wider than the rotation plate 30. In other words, it functions to make the rotation shaft 21 rotate safely by securing. As a result, it is possible to reduce the force applied to the rotation shaft 21 to thereby prevent the overload of the motor 20.
• the discharge portion 80 is disposed below from the side wall 51 of the accommodation vessel 50 to collect the residual ink of the ink cartridge 1 discharged by the centrifugal force and to discharge from the accommodation vessel 50.
• the residual ink of the ink cartridge 1 discharged from the discharge portion 80 is collected in the residual ink collection vessel disposed at the lower portion of the discharge portion 80, which is engaged detachably at the frame, so that it is separated from the frame and the residual ink collected in it is emptied, when it is filled with the residual ink.
• the ink cartridge securing portions 40 are shown to be provided by two pieces. If the ink cartridge securing portions 40 are provided by two pieces as shown in the drawings, it is preferable that the ink cartridge securing portions 40 are fixedly disposed at the upper portion of the rotation plate 30 so that they are symmetric to each other with respect to the rotation shaft 21 of the motor 20. Thus, the rotation plate 30 can be rotated with keeping the balance to thereby suppress the occurrence of the vibration and the noise, by fixedly disposing the ink cartridge securing portions 40 at the upper portion of the rotation plate 30 so that they are symmetric with each other. In this instance, it is preferable that each of the ink cartridge securing portions 40 has the same structure with respect to the rotation shaft 21 of the motor 20.
• FIGs. 1 through 3 show an embodiment, in which identical kind of the ink cartridge 1 can be secured and used at the respective ink cartridge securing portions 40.
• FIGs. 7 through 10 show several embodiments of the present invention, in which only one kind of ink cartridges are applied of the centrifugal separation, or different kinds of ink cartridges are applied of the centrifugal separation at the same time.
• FIG. 7 shows a principal portion of the centrifugal separator for removing the residual ink in an ink cartridge according to a first embodiment of the present invention.
• FIG. 8 shows the centrifugal separator for removing the residual ink in an ink cartridge according to a second embodiment of the present invention, in which the ink cartridge securing portion 40 is provided at one side of the rotation plate 30, and a balance-weight 90 corresponding to a weight of the ink cartridge 1 is disposed at the opposite side of the ink cartridge securing portion 40 to thereby form a symmetry between the left and right with respect to the rotation shaft 21 of the motor 20, so that occurrence of the vibration and the noise can be reduced.
• FIG. 9 shows the centrifugal separator for removing the residual ink in an ink cartridge according to a third embodiment of the present invention, in which the balance- weight 90 corresponding to a weight determined according to the kind of the ink cartridge 1 is moved slide to the inside or outside direction to thereby make it possible to adjust the center of the weight. If the ink cartridge 1 of a little weight is applied of the centrifugal separation, the balance- weight 90 is moved to be close to the rotation shaft 21 of the motor 20, and when the ink cartridge 1 of a large weight is applied of the centrifugal separation, the balance-weight 90 is moved to be farther from the rotation shaft 21 of the motor 20 to thereby align the center of weight between the right and left.
• indications are represented at the upper portion of the rotation plate 30 at one side of the balance-weight so that the position of the balance-weight 90 can be aligned with the corresponding ink cartridge 1. Accordingly, the user detects the position of the corresponding balance-weight 90 of the respective ink cartridge 1 by means of a manual and fixes the ink cartridge to thereby align the center of the weight.
• FIG. 10 shows the centrifugal separator for removing the residual ink in the ink cartridge according to a fourth embodiment of the present invention, in which the balance- weight 70 is provided to align the center of the weight between the right and left as is shown in FIG. 8, and a plurality of engagement openings 46 are formed at the securing portion 40 into which the balance-weight 70 can be engaged from one side.
• the user searches the relative position of the balance-weight 70 corresponding to the respective ink cartridge 1 by means of a manual so as to align the center of weight between the right and left, and then secure it into the engagement opening 46 to align the center of weight between the right and left.
• the present invention is not restricted to the embodiments described above, and can be applied variously. Also, it should be understood that the present invention can be modified and changed diversely by those skilled in the field of art without departing from the technical spirit and scope of the present invention as represented by the appended claims.

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Citations (4)

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• 2005
  • 2005-11-11 KR KR1020050108165A patent/KR100684138B1/ko not_active IP Right Cessation
• 2006
  • 2006-11-10 WO PCT/KR2006/004701 patent/WO2007055530A1/en active Application Filing

Patent Citations (4)

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