Patent Grant
11850865
The present application is based on, and claims priority from JP Application Serial Number 2021-056848, filed Mar. 30, 2021, the disclosure of which is hereby incorporated by reference herein in its entirety.
The present disclosure relates to technologies for a cartridge and a printing system.
In the related art, a technology for an ink cartridge in which an absorbent that absorbs and holds ink is disposed in a recess formed over an outer peripheral side of an ink supply port and a rear end of a lower surface of a cartridge main body has been known (see JP-A-9-20015).
In the technology of the related art, the absorbent of the ink cartridge absorbs the ink leaked from the ink supply port in a gravity direction. However, in the related art, when the ink cartridge is removed from a printer, the absorbent cannot catch the ink scattered from a liquid introduction portion. In addition, the absorbent is too small to hold sufficient ink in the related art. The problem described above is not limited to the ink cartridge and the printer in which the ink cartridge is detachably mounted, and is common to a cartridge in which the cartridge containing a liquid in addition to the ink and a printing apparatus in which the cartridge is detachably mounted.
(1) According to a first aspect of the present disclosure, there is provided a cartridge that is detachably mounted in a printing apparatus including a liquid introduction portion. The cartridge includes: a liquid containing portion containing a liquid; a liquid supply portion coupled to the liquid introduction portion and supplying the liquid to the printing apparatus; an arrangement portion having the liquid supply portion arranged inside thereof and having a bottom wall facing a distal end of the liquid supply portion, in which the bottom wall has an opening portion through which the liquid introduction portion is inserted at a position facing the distal end; a first liquid absorbing member arranged inside the arrangement portion, of which a part of the first liquid absorbing member is exposed from the opening portion, and a second liquid absorbing member arranged inside the arrangement portion and coming into contact with the first liquid absorbing member.
(2) According to a second aspect of the present disclosure, there is provided a printing system. The printing system includes the cartridge according to the aspect, and the printing apparatus having the liquid introduction portion coupled to the liquid supply portion.
The printing system 1 includes a printing apparatus 10, and a cartridge 4 supplying ink, which is a liquid, to the printing apparatus 10.
The printing apparatus 10 in the present embodiment is an ink jet printer that discharges the ink, as a liquid, from a discharge head 22. The printing apparatus 10 is a large printer that performs printing on a large-sized sheet (A2 to A0, and the like) such as a poster. The printing apparatus 10 includes a cartridge mounting portion 6, a control portion 31, a carriage 20, a discharge head 22, and a drive mechanism 30. In addition, the printing apparatus 10 includes an operation button 15 for a user to operate operations of the printing apparatus 10.
The cartridge mounting portion 6 has a first apparatus wall 67 located on the +Y direction side. The first apparatus wall 67 has an insertion/removal opening portion 674 as an inlet/outlet of the cartridge 4 to an accommodation chamber 61. The cartridge 4 is accommodated in the accommodation chamber 61 of the cartridge mounting portion 6 via the insertion/removal opening portion 674, and the cartridge 4 is removed from the accommodation chamber 61. A plurality of cartridges 4 are detachably mounted in the cartridge mounting portion 6. In the present embodiment, four types of cartridges 4, corresponding to ink having four colors of black, yellow, magenta, and cyan, are mounted in the cartridge mounting portion 6 one by one, that is, a total of four cartridges 4 are mounted in the cartridge mounting portion 6. The cartridge 4 containing black ink is referred to as a cartridge 4K, the cartridge 4 containing yellow ink is referred to as a cartridge 4Y, the cartridge 4 containing magenta ink is referred to as a cartridge 4M, and the cartridge 4 containing cyan ink is referred to as a cartridge 4C. In the present embodiment, the cartridge 4K is configured to contain more liquid than the cartridges 4C, 4M, and 4Y. Thus, the cartridge 4K is referred to as a first-type cartridge 4A, and the cartridges 4C, 4M, and 4Y are referred to as a second-type cartridge 4B.
The printing apparatus 10 has a replacement cover 13 on a front surface thereof in the +Y direction side. When the +Z direction side of the replacement cover 13 is tilted forward, that is, tilted to the +Y direction side, an opening of the cartridge mounting portion 6 appears and the cartridge 4 can be detached. When the cartridge 4 is mounted in the cartridge mounting portion 6, the ink can be supplied to the discharge head 22 that is provided on the carriage 20 via a tube 24 as a liquid circulating tube. In the present embodiment, the ink is supplied from the cartridge 4 to the discharge head 22 with a head difference. Specifically, the ink is supplied to the discharge head 22 due to a head difference between a liquid level of the ink in the cartridge mounting portion 6 and the discharge head 22. In another embodiment, a pump mechanism (not illustrated) of the printing apparatus 10 may suck the ink in the cartridge 4 to supply the ink to the discharge head 22. The tube 24 is provided for each type of the ink. Here, a state in which the cartridge 4 is mounted in the cartridge mounting portion 6 and the ink, as a liquid, can be supplied to the printing apparatus 10 is referred to as a “mounted state”.
A nozzle for each type of ink is provided on the discharge head 22. The discharge head 22 discharges the ink from the nozzle toward a printing sheet 2 and prints data such as characters or images on the printing sheet 2. In the present embodiment, the printing apparatus 10 is a so-called “off-carriage type” printer in which the cartridge mounting portion 6 is not interlocked with the movement of the carriage 20. A technology of the present disclosure can also be applied to a so-called “on-carriage type” printer in which the cartridge mounting portion 6 is provided on the carriage 20 and the cartridge mounting portion 6 moves together with the carriage 20.
The control portion 31 controls each portion of the printing apparatus 10, and transmits and receives a signal to and from the cartridge 4. The carriage 20 relatively moves the discharge head 22 to the printing sheet 2.
The drive mechanism 30 reciprocates the carriage 20 based on a control signal from the control portion 31. The drive mechanism 30 includes a timing belt 32 and a drive motor 34. The carriage 20 reciprocates in a main scanning direction, which is a direction along the X direction, by transmitting power of the drive motor 34 to the carriage 20 via the timing belt 32. In addition, the printing apparatus 10 includes a transport mechanism for moving the printing sheet 2 in a sub-scanning direction which is the +Y direction. When printing is performed, the transport mechanism moves the printing sheet 2 in the sub-scanning direction, and the printed printing sheet 2 is output onto a front cover 11.
A region called a home position is provided at a position outside a printing region where the carriage 20 is moved in the main scanning direction, and a maintenance mechanism that performs maintenance to normally perform printing is mounted at the home position. The maintenance mechanism includes a cap member 8 that is pushed against a surface where the nozzle is formed on a bottom surface side of the discharge head 22 and forms a closed space so as to surround the nozzle, a lifting mechanism (not illustrated) that lifts the cap member 8 to be pushed against a nozzle surface of the discharge head 22, a suction pump (not illustrated) that introduces a negative pressure into the closed space where the cap member 8 is formed by being pushed against the nozzle surface of the discharge head 22, and the like.
In the present embodiment, in the use state of the printing system 1, an axis along the sub-scanning direction of transporting the printing sheet 2 is defined as the Y axis, an axis along the gravity direction is defined as the Z axis, and an axis along the movement direction of the carriage 20 is defined as the X axis. Here, “the use state of the printing system 1” refers to a state in which the printing system 1 is installed on a horizontal surface. In the present embodiment, the sub-scanning direction is defined as the +Y direction, a direction opposite to the +Y direction is referred to as the −Y direction, and the gravity direction is defined as the −Z direction, and the antigravity direction is defined as the +Z direction. The X direction and the Y direction are directions along the horizontal direction. When the printing system 1 is viewed from a front side, a direction from the left side to the right side is defined as the +X direction, and a direction opposite to the +X direction is defined as the −X direction. In the present embodiment, an insertion direction in which the cartridge 4 is inserted into the cartridge mounting portion 6 for mounting is defined as the −Y direction, and a direction in which the cartridge 4 is removed from the cartridge mounting portion 6 is defined as the +Y direction. Thus, in the cartridge mounting portion 6, a −Y direction side is referred to as a depth side, and a +Y direction side is referred to as a front side. In the present embodiment, an arrangement direction of the plurality of cartridges 4 is defined as the X direction.
The mounting process includes a terminal coupling process and a supply portion coupling process performed after the terminal coupling process. As illustrated in
As illustrated in
As illustrated in
The liquid introduction portion 642 receives the liquid supplied from the cartridge 4. The liquid introduction portion 642 is a cylindrical member, and has an internal flow path for allowing the liquid to circulate therein. The liquid introduction portion 642 has a proximal end 642a and a distal end 642b. An opening communicating with an introduction portion flow path, which is the internal flow path, is formed in the distal end 642b, and the ink in the liquid supply portion 442 circulates through the introduction portion flow path via the opening. The proximal end 642a is coupled to the liquid storage portion 699, and the ink circulated through the introduction portion flow path circulates in the liquid storage portion 699. The liquid storage portion 699 is located on the −Z direction side of the accommodation chamber 61. The liquid storage portion 699 communicates with the discharge head 22 via the tube 24 illustrated in
As illustrated in
In the present embodiment, the plurality of (nine) apparatus-side terminals 721 are provided. Each of the plurality of apparatus-side terminals 721 is a metal plate member having conductivity. The apparatus-side terminal 721 has a terminal rotation fulcrum Rp, in which a portion where the terminal rotation fulcrum Rp is in contact with the cartridge-side terminal 521 of the circuit board 50, which is an end of the fulcrum, can be elastically deformed. A direction in which the portion where the terminal rotation fulcrum Rp is in contact with the cartridge-side terminal 521 of the circuit board 50 is elastically deformed is a direction along the X direction and the Z direction. The terminal holding portion 750 holds the plurality of apparatus-side terminals 721. The connector 739 is electrically coupled to the plurality of apparatus-side terminals 721. In addition, the connector 739 is electrically coupled to the control portion 31 of the printing apparatus 10 by wiring (not illustrated). As a result, data communication between the circuit board 50 and the control portion 31 is available.
The holding mechanism 73 includes a biasing member 780 and an attachment member 782. The biasing member 780 is composed of a coil spring. The biasing member 780 is disposed inside the attachment member 782. In addition, the apparatus-side terminal portion 70 is attached to the attachment member 782. The biasing member 780 is compressed in a state in which the insertion of the cartridge 4 into the cartridge mounting portion 6 is completed. As a result, the biasing member 780 applies an external force Fa via the attachment member 782 in a direction in which the apparatus-side terminal portion 70 is directed to a removal direction side of the cartridge 4, which is the first apparatus wall 67 side. Since the apparatus-side terminal portion 70 is pushed against the circuit board 50 by the external force Fa, the contact between the apparatus-side terminal 721 and the cartridge-side terminal 521 is maintained well.
As described above, the holding mechanism 73 holds the apparatus-side terminal portion 70 to be displaceable in a direction along the insertion direction of the cartridge 4. In addition, one end of the biasing member 780 on the apparatus-side terminal portion 70 side is configured to be slightly movable in the X direction and the Z direction intersecting with the insertion direction. As a result, the apparatus-side terminal portion 70 is held by a holding mechanism 73 to be slightly movable in the X direction and the Z direction intersecting with the insertion direction.
As illustrated in
In the mounted state of the cartridge 4, a main wall 613 forming a bottom portion of the support member 610 is tilted to the Y direction. Specifically, the main wall 613 of the support member 610 is tilted so as to be located on the −Z direction side, which is a lower side, toward the +Y direction side. The main wall 613 is in parallel to the Y direction in the initial arrangement state of the cartridge mounting portion 6 in which the cartridge 4 is not mounted.
In the mounted state of the cartridge 4, the cartridge mounting portion 6 includes the biasing member 625 that applies an external force Ft1 to the support member 610 in order to return the support member 610 to a position where the support member 610 is in the initial arrangement state. The biasing member 625 is a coil spring provided between the support member 610 and the liquid storage portion 699, and becomes a compressed state in the mounted state. The external force Ft1 having a +Z direction component is applied to the support member 610 depending on the compressed state. Meanwhile, in the mounted state of the cartridge 4, a cartridge engagement portion 497 of the cartridge 4 is engaged with a mounting engagement portion 697 of the cartridge mounting portion 6, and the mounted state is thus maintained. The mounting engagement portion 697 is formed on the engagement forming body 677 located on the first apparatus wall 67 side of the cartridge mounting portion 6.
As described above, as illustrated in
As illustrated in
The cartridge 4 includes a cartridge main body 41, and the circuit board 50 attached to the cartridge main body 41. In the present embodiment, the cartridge main body 41 is composed of two members. Specifically, the cartridge main body 41 includes the liquid containing body 401, and the adapter 402, as an arrangement portion, attached to the liquid containing body 401 by engagement. In other embodiments, the cartridge main body 41 may be integrally formed.
The liquid containing body 401 and the adapter 402 are each molded by, for example, injection molding a synthetic resin such as polypropylene. The liquid containing body 401 and the adapter 402 may be formed of the same material or different materials.
The cartridge main body 41 has a front wall 42, a rear wall 47, an upper wall 43, a bottom wall 44, a first side wall 45, a second side wall 46, and a corner portion 89. The walls 42, 43, 44, 45, 46, and 47 are referred to as surfaces 42, 43, 44, 45, 46, and 47, respectively. The front wall 42 and the rear wall 47 face each other in the Y direction along the insertion direction. The upper wall 43 and the bottom wall 44 face each other in the Z direction. The Z direction is parallel with the central axis CA2 along the direction in which the liquid supply portion 442 extends. The first side wall 45 and the second side wall 46 face each other in the X direction.
The front wall 42 is located on the insertion direction side in which the cartridge 4 is inserted into the cartridge mounting portion 6. That is, the front wall 42 forms an insertion distal end surface on the −Y direction side, which is the insertion direction side. The rear wall 47 forms a surface on the +Y direction side, which is the removal direction. The upper wall 43 is located on the +Z direction side, and intersects with the front wall 42 and the rear wall 47. The bottom wall 44 is located on the −Z direction side, which is the gravity direction side in the mounted state, and forms a coupling distal end surface in the coupling direction D2 illustrated in
The first side wall 45 is located on the −X direction side, and the second side wall 46 is located on the +X direction side. The first side wall 45 intersects with the front wall 42 and the rear wall 47, and the second side wall 46 intersects with the upper wall 43 and the bottom wall 44. The corner portion 89 is provided at a corner part where the front wall 42 intersects with the bottom wall 44. The corner portion 89 has a terminal arrangement portion 90 having a recess shape recessed inwardly. The circuit board 50 is attached to the terminal arrangement portion 90.
The liquid containing body 401 has the liquid containing portion 450 containing the liquid, and the liquid supply portion 442. The liquid supply portion 442 is a cylindrical member protruding from a containing body bottom wall 431 of the liquid containing body 401 that faces the upper wall 43. The liquid supply portion 442 is coupled to the liquid introduction portion 642 in the mounted state, and supplies the liquid in the liquid containing portion 450 to the discharge head 22 of the printing apparatus 10 via the liquid introduction portion 642. As illustrated in
As illustrated in
As illustrated in
As illustrated in
As illustrated in
The first liquid absorbing member 471 is arranged inside the adapter 402, that is, in the recess 830. Specifically, the first liquid absorbing member 471 is arranged over the supply portion arrangement portion 831 and an absorbing member arrangement portion 832, and is located between the supply portion distal end 442a and the bottom wall 44. The absorbing member arrangement portion 832 is a constituent element of the recess 830 adjacent to the supply portion arrangement portion 831. The first liquid absorbing member 471 is arranged on an inner surface of the bottom wall 44. The first liquid absorbing member 471 has an absorbing member opening portion 476 through which the liquid introduction portion 642 is inserted in the mounted state of the cartridge 4. That is, a positional relationship in which the absorbing member opening portion 476, the opening portion 446, and the supply portion distal end 442a overlap is made, when the cartridge 4 is viewed from the bottom wall 44. In addition, as illustrated in
As illustrated in
The second liquid absorbing member 472 has a greater capillary force than the first liquid absorbing member 471. The capillary force, which is a force absorbing the liquid, is generated by a capillary phenomenon. A magnitude of the capillary force can be controlled by a material of the first liquid absorbing member 471 or second liquid absorbing member 472, a size of a hole, or the like. For example, by using a member having a finer mesh than the first liquid absorbing member 471 for the second liquid absorbing member 472, the capillary force of the second liquid absorbing member 472 can be greater than that of the first liquid absorbing member 471. As the capillary force of the second liquid absorbing member 472 is greater than that of the first liquid absorbing member 471, the liquid captured by the first liquid absorbing member 471 can be smoothly moved to the second liquid absorbing member 472 with a difference of the capillary force as a driving force. As a result, an amount of liquid that can be held by the first liquid absorbing member 471 can be prevented from reaching an upper limit thereof, thereby preventing the liquid from being leaked from the first liquid absorbing member 471.
According to the embodiment, as illustrated in
According to the present embodiment, as illustrated in
According to the embodiment, as illustrated in
In the embodiment, as illustrated in
The present disclosure is not limited to an ink jet printer and an ink cartridge thereof, but can be applied to a cartridge mounted in any printing apparatus that ejects other liquids except for ink. For example, various printing apparatuses and cartridges thereof can be applied as follows.
The “liquid droplets” refers to a state of the liquid discharged from the printing apparatus, and includes those having trails with particles, tears, or threads. In addition, the “liquid” here may be any material that can be ejected by the liquid ejecting apparatus. For example, the “liquid” may be a material in a state where the substance is in a liquid phase, and liquid materials with high or low viscosity and liquid materials such as sol, gel water, other inorganic solvents, organic solvents, solutions, liquid resins, and liquid metal are also included in the “liquid”. In addition, the “liquid” includes not only a liquid as one state of a substance but also a “liquid” obtained by dissolving, dispersing or mixing particles of a functional material made of a solid such as a pigment or metal particles in a solvent. In addition, representative examples of the liquid include ink and liquid crystal as described in the above embodiment. Here, the ink includes various liquid compositions such as normal water-based ink and oil-based ink, gel ink, and hot-melt ink.
The present disclosure is not limited to the above-described embodiment, and can be realized with various configurations without departing from the spirit of the present disclosure. For example, the technical features of the embodiments corresponding to the technical features in each embodiment described below can be appropriately replaced or combined to solve some or all of the above-described problems, or to achieve some or all of the above effects. In addition, when the technical feature is not described as essential in the present specification, it can be deleted as appropriate. In addition, when the technical feature is not described as essential in the present specification, it can be appropriately deleted.
(1) According to a first aspect of the present disclosure, there is provided a cartridge that is detachably mounted in a printing apparatus including a liquid introduction portion. The cartridge includes: a liquid containing portion containing a liquid; a liquid supply portion coupled to the liquid introduction portion and supplying the liquid to the printing apparatus; an arrangement portion having the liquid supply portion arranged inside thereof and having a bottom wall facing a distal end of the liquid supply portion, in which the bottom wall has an opening portion through which the liquid introduction portion is inserted at a position facing the distal end; a first liquid absorbing member arranged inside the arrangement portion, of which a part of the first liquid absorbing member is exposed from the opening portion; and a second liquid absorbing member arranged inside the arrangement portion and coming into contact with the first liquid absorbing member. According to the aspect, since the first liquid absorbing member is exposed from the opening portion, the liquid can be captured by the first liquid absorbing member even if the liquid is scattered from the liquid introduction portion in a process of removing the cartridge from the printing apparatus. Further, according to the aspect, since the second liquid absorbing member is in contact with the first liquid absorbing member, the liquid captured by the first liquid absorbing member can be moved to the second liquid absorbing member side and held by the second liquid absorbing member. That is, according to the aspect, the second liquid absorbing member can hold an amount of liquid that cannot be held by the first liquid absorbing member alone.
(2) In the aspect, the second liquid absorbing member may have a greater capillary force than the first liquid absorbing member. According to the aspect, the liquid captured by the first liquid absorbing member can be smoothly moved to the second liquid absorbing member. As a result, an amount of liquid that can be held by the first liquid absorbing member can be prevented from reaching an upper limit thereof, thereby preventing the liquid from being leaked from the first liquid absorbing member.
(3) In the aspect, the first liquid absorbing member may be a sheet-shaped member, and the second liquid absorbing member may be a block-shaped member having a larger volume than the first liquid absorbing member. According to the aspect, the second liquid absorbing member can hold a larger amount of liquid.
(4) According to a second aspect of the present disclosure, there is provided a printing system. The printing system includes the cartridge according to the aspect, and the printing apparatus having the liquid introduction portion coupled to the liquid supply portion. According to the aspect, since the first liquid absorbing member is exposed from the opening portion, the liquid can be captured by the first liquid absorbing member even if the liquid is scattered from the liquid introduction portion upon removing the cartridge from the printing apparatus. Further, according to the aspect, since the second liquid absorbing member is in contact with the first liquid absorbing member, the liquid captured by the first liquid absorbing member can be moved to the second liquid absorbing member side and held by the second liquid absorbing member. That is, according to the aspect, the second liquid absorbing member can hold the liquid that cannot be held by the first liquid absorbing member alone.
(5) In the aspect, the printing apparatus further may have a support member supporting the cartridge, and a rotation fulcrum for rotatably moving the support member, in which as the support member is pushed down around the rotation fulcrum, the liquid supply portion may be pushed down and coupled to the liquid introduction portion, and as the support member is pushed up around the rotation fulcrum, the liquid supply portion may be pushed up and the coupling with the liquid introduction portion may be released. Here, in a process in which the liquid supply portion is pushed up and the coupling with the liquid introduction portion is released, the liquid in the liquid introduction portion may be leaked from the liquid introduction portion in an upward direction according to the pushing-up operation of the liquid supply portion. According to the aspect, even if the liquid is leaked from the liquid introduction portion in the upward direction, the liquid can be captured by an exposed part of the first liquid absorbing member because the first liquid absorbing member is exposed from the opening portion.
In addition to the aspect described above, the present disclosure can be realized as an aspect such as a method of manufacturing a cartridge.
| Number | Date | Country | Kind |
|---|---|---|---|
| 2021-056848 | Mar 2021 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 6705715 | Morita | Mar 2004 | B2 |
| 8733909 | Qin | May 2014 | B2 |
| 8733911 | Mizutani | May 2014 | B2 |
| Number | Date | Country |
|---|---|---|
| H09-020015 | Jan 1997 | JP |
| Number | Date | Country | |
|---|---|---|---|
| 20220314631 A1 | Oct 2022 | US |
