JP2008188948A - Ink cartridge mounting and dismounting device, recording device, and liquid ejection device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent ink leakage due to wrong loading of an ink cartridge with the cartridge not held by a cartridge holding means. <P>SOLUTION: The ink cartridge mounting and dismounting device 201 has the cartridge holding means 210 holding the ink cartridge 211, a power transmission and conversion mechanism 230 converting the rotation of a lever arm 363 into the movement of loading the ink cartridge 211, and a wrong loading prevention means 420 to regulate the movement of the cartridge holding means 210 in the loading direction by the operation of a lever arm 363 when the cartridge holding means 210 is not holding the ink cartridge 211. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention converts the cartridge holding means for holding the ink cartridge by the first predetermined operation and the rotation of the lever arm into the second predetermined operation for loading the ink cartridge held in the cartridge holding means. The present invention relates to an ink cartridge attaching / detaching device including a power transmission conversion mechanism, a recording device including the ink cartridge attaching / detaching device, and a liquid ejecting apparatus.

Here, the liquid ejecting apparatus refers to an ink jet recording apparatus, a copying machine, a facsimile, or the like that performs recording on a recording material by ejecting ink from a recording head as a liquid ejecting head to a recording material such as recording paper. In addition to the recording apparatus, instead of ink, a liquid corresponding to a specific application is ejected from the liquid ejecting head corresponding to the recording head to the ejected material corresponding to the recording material, and the liquid is ejected to the ejected material. Used to include the device to be attached. In addition to the recording head described above, the liquid ejecting head includes a color material ejecting head used for manufacturing a color filter such as a liquid crystal display, an electrode material used for forming an electrode such as an organic EL display and a surface emitting display (FED) ( Examples thereof include a conductive paste) ejection head, a bio-organic matter ejection head used for biochip manufacturing, and a sample ejection head that ejects a sample as a precision pipette.
The recording apparatus includes types such as an ink jet printer, a wire dot printer, a laser printer, a line printer, a copying machine, and a facsimile.

  Hereinafter, an ink jet printer will be described as an example of an ink jet recording apparatus or a liquid ejecting apparatus. When an ink cartridge is loaded in an ink jet printer, a relatively large pushing force is required. Therefore, in the prior art, before loading the ink cartridge, the ink cartridge is inserted, and the pair of cartridge holding means provided in the ink jet recording apparatus is held in advance on both sides of the ink cartridge, and then the lever arm is moved. The ink cartridge is loaded by rotating from the “reset position” to the “set position” and moving the pair of cartridge holding means in the loading direction (for example, Patent Document 1).

In this specification, “insertion of an ink cartridge” refers to insertion from outside the recording apparatus into the recording apparatus. “Ink cartridge insertion complete” refers to a state in which the ink cartridge inserted by the cartridge holding means is held. “Ink cartridge loading” means that the ink cartridge held by the cartridge holding means is pushed together with the cartridge holding means by the rotation of the lever arm from the “reset position” to the “set position”. . “Ink cartridge loading completed” refers to a state in which the ink cartridge is pushed together with the cartridge holding means and the ink supply needle is stuck in the ink cartridge.
The “reset position” refers to the position of the lever arm that is in a state where the ink cartridge can be inserted before the ink cartridge is loaded. On the other hand, the “set position” refers to the position of the lever arm that moves the ink cartridge held in the cartridge holding means in the loading direction to take the loaded state.

FIGS. 36A and 36B show an example of cartridge holding means in an ink cartridge attaching / detaching device in the prior art.
As shown in FIGS. 36A and 36B, a pair of cartridge holding means 501 and 501 are provided on both the left and right sides in the loading direction of the ink cartridge attaching / detaching device 500. When the ink cartridge 508 is inserted into the insertion opening 503, the ink cartridge 508 is provided so as to be held by the pair of cartridge holding means 501 and 501.

Further, a rotation of the lever arm 505 is provided to be transmitted to the cartridge holding means 501 and 501 by a power transmission mechanism (not shown). Therefore, by rotating the lever arm 505, the ink cartridge 508 can be moved in the loading direction.
Here, the position of the lever arm 505 shown in FIG. 36A is the “reset position”, and the position of the lever arm 505 shown in FIG. 36B is the “set position”.

Conventionally, as in Patent Document 1, when the lever arm 505 is other than the “reset position”, the insertion / removal device 500 is provided with erroneous insertion prevention means 502 and 502 for preventing the user from inserting the ink cartridge 508, that is, so-called erroneous insertion. It was done.
In the present specification, “incorrect insertion of ink cartridge” means a state in which the ink cartridge 508 is inserted but is not normally held by the cartridge holding means 501 and 501.
JP 2005-254794 A

  However, when the user rotates the lever arm 505 from the “reset position” to the “set position” in a state where the ink cartridge 508 is not held by the cartridge holding means 501 and 501, that is, in a so-called no-latch state, the user erroneously inserts the ink cartridge 508 for some reason. There was a risk of overcoming the prevention means 502, 502. Then, there is a possibility that the ink supply needle 509 may be stuck in the ink cartridge 508 in a no latch state. This is a so-called erroneous loading of the ink cartridge.

  At this time, as described above, the ink cartridge 508 is not held by the cartridge holding means 501 and 501. That is, the ink cartridge 508 is in an unstable state. Accordingly, the ink cartridge 508 is pushed back in the discharge direction, and the ink supply needle 509 is stuck in the ink cartridge 508 halfway. As a result, problems such as ink leakage and problems such as poor connection between the ink remaining amount storage terminal (not shown) on the ink cartridge side and the connector portion (not shown) on the recording apparatus side occur.

  In addition, when the lever arm 505 is rotated from the “reset position” to the “set position”, the ink cartridge 508 is moved into the cartridge for some reason after having passed over the erroneous insertion prevention means 502 and 502 even though it is normally inserted. There is a case where a state in which the holding means 501 and 501 hold is changed to a no-latch state in which the holding means is not held. In such a case, the ink supply needle 509 may be stuck in the ink cartridge 508.

  The present invention has been made in view of such a situation, and the problem is that the ink holding cartridge does not hold the ink cartridge. It is an object to provide an ink cartridge attaching / detaching device capable of preventing ink leakage due to erroneous loading, a recording apparatus including the ink cartridge attaching / detaching device, and a liquid ejecting apparatus.

  In order to achieve the above object, an ink cartridge attaching / detaching device according to a first aspect of the present invention includes a cartridge holding means for holding an ink cartridge by a first predetermined operation, and a rotation of a lever arm held by the cartridge holding means. A power transmission conversion mechanism for converting to a second predetermined operation for loading an ink cartridge in a state where the ink cartridge is loaded, and a loading direction of the cartridge holding means by operation of the lever arm when the cartridge holding means does not hold the ink cartridge And a cartridge holding means having an engagement member that can be engaged with an ink cartridge, and the erroneous loading prevention means is provided on a base portion of the ink cartridge attaching / detaching device. It has a regulation part which can contact the engagement member and regulates the movement.

  According to the first aspect of the present invention, the cartridge holding means has an engaging member that can be engaged with an ink cartridge, and the erroneous loading preventing means is disposed on the base portion of the ink cartridge attaching / detaching device. It has a restricting portion that can contact the member and restrict the movement. Therefore, when the ink cartridge is loaded and when the lever arm is rotated for some reason after loading and the ink cartridge is in a no-latch state, the engagement member moves in the loading direction. Can be regulated. At the same time, the rotation of the lever arm to the “set position” can be restricted.

As a result, the ink cartridge can be prevented from moving in the loading direction. That is, due to the presence of the restricting portion, in the no latch state, the user can move the cartridge holding means only in the ejection direction. Therefore, it is possible to prompt the user to reinsert the ink cartridge.
As a result, erroneous loading of the ink cartridge can be prevented. Therefore, there is no possibility of ink leakage due to erroneous loading.

According to a second aspect of the present invention, in the first aspect, when the lever arm rotates from the set position taken when the ink cartridge is completely loaded to the reset position side taken before the ink cartridge is loaded, Disengagement means for displacing the engagement member in a direction crossing the loading direction and releasing engagement between the engagement member and the ink cartridge is provided.
Here, “displacement” not only means that the position of the member changes, but also means that the orientation changes (hereinafter the same).
According to the second aspect of the present invention, in addition to the same function and effect as the first aspect, the ink cartridge attaching / detaching device includes the engagement releasing means. Therefore, it is effective when the disengaging means is acted upon when the lever arm is rotated for some reason after being loaded.

According to a third aspect of the present invention, in the first or second aspect, when the lever arm is rotated in the rotation direction of the lever arm when the ink cartridge is loaded, the regulating portion is The movement of the engaging member in the loading direction and the displacement in the direction crossing the loading direction are restricted.
According to the third aspect of the present invention, in addition to the same effects as those of the first or second aspect, the restricting portion moves the engagement member in the loading direction and in a direction crossing the loading direction. Regulate displacement. Therefore, in the no latch state, the rotation of the lever arm in the rotation direction taken at the time of loading can be more reliably regulated.

According to a fourth aspect of the present invention, in any one of the first to third aspects, the restriction portion does not contact the engagement member when the cartridge holding unit moves in the discharge direction. Only when the cartridge holding means moves in the loading direction, the cartridge holding means can be brought into contact with the engaging member.
According to a fourth aspect of the present invention, in addition to the same function and effect as in any one of the first to third aspects, the restricting portion is configured to engage the engagement when the cartridge holding means moves in the discharge direction. Only when the cartridge holding means moves in the loading direction without coming into contact with the member, the structure can come into contact with the engaging member. Therefore, there is no possibility that the restricting portion hinders the operation of the engaging member when discharging the ink cartridge. That is, even when the restricting portion is provided, the ink cartridge discharging operation can be executed smoothly.
For example, the restricting portion has no possibility of preventing the engagement release means from displacing the engagement member.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the restricting portion includes an inclined portion inclined with respect to a surface facing the loading direction.
According to the 5th aspect of this invention, in addition to the effect similar to any one of the 1st-4th aspect, the said control part has an inclination part inclined with respect to the surface which faces a loading direction. . Accordingly, the restricting portion can restrict movement of the engaging member in the loading direction and displacement in a direction intersecting the loading direction of the engaging member.

According to a sixth aspect of the present invention, in any one of the first to fourth aspects, the restricting portion has an L-shaped saddle-shaped portion when viewed from the width direction with respect to the loading direction.
According to the sixth aspect of the present invention, in addition to the same function and effect as any one of the first to fourth aspects, the restricting portion is an L-shaped saddle-shaped portion when viewed from the width direction with respect to the loading direction. Have Accordingly, the restricting portion can restrict movement of the engaging member in the loading direction and displacement in a direction intersecting the loading direction of the engaging member. That is, the sixth aspect can obtain the same effects as the fifth aspect.

According to a seventh aspect of the present invention, in the fifth or sixth aspect, the end of the engaging member swings so as to be able to move toward and away from the ink cartridge, and the restricting portion of the engaging member When restricting movement in the loading direction, the restricting portion is configured to intersect with the track of the end portion.
According to the 7th aspect of this invention, in addition to the effect similar to the 5th or 6th aspect, the said control part is the structure which cross | intersects the track | orbit of the said edge part. Accordingly, the restricting portion can more reliably restrict the movement of the engaging member in the loading direction and the displacement in the direction intersecting the loading direction of the engaging member.

According to an eighth aspect of the present invention, in any one of the first to seventh aspects, a cover member that opens and closes an insertion opening into which the ink cartridge is inserted is provided, and the restricting portion restricts the engaging member. The lever arm is configured to come into contact with the lid member.
According to the eighth aspect of the present invention, in addition to the same function and effect as any one of the first to seventh aspects, when the restricting portion restricts the engaging member, the lever arm is It is the structure which contacts the said lid member. Therefore, when the restricting portion restricts the engaging member, the lid member is not completely closed. That is, the lid member is in an open state or is in a state of being closed halfway. Therefore, this configuration can inform the user that the ink cartridge has not been completely loaded.

It is also possible to provide a sensor for detecting opening and closing of the lid member in the insertion opening. In such a case, it is possible to control the recording apparatus main body so as not to operate unless the lid member is completely closed. Therefore, ink leakage can be prevented more reliably.
Furthermore, it can be configured to display and warn that the lid member is not completely closed on a display unit or the like provided at a position that is easy for the user to see in the recording apparatus.

A recording apparatus according to a ninth aspect of the present invention includes a feeding unit that feeds a recording medium, a recording unit that performs recording by discharging ink to the recording medium fed from the feeding unit, An ink cartridge attaching / detaching device for attaching / detaching an ink cartridge to / from a recording device main body, wherein the ink cartridge attaching / detaching device is the ink cartridge attaching / detaching device according to any one of the first to eighth aspects. It is characterized by that.
According to a ninth aspect of the present invention, the recording apparatus includes the ink cartridge attaching / detaching device according to any one of the first to eighth aspects. Therefore, in the recording apparatus, it is possible to obtain the same operational effects as in any one of the first to eighth aspects.

  A liquid ejecting apparatus according to a tenth aspect of the present invention includes a feeding unit that feeds a liquid ejecting medium, a liquid ejecting unit that ejects liquid onto the fed liquid ejecting medium, and a liquid cartridge. A liquid ejecting apparatus including a liquid cartridge attaching / detaching device attached to and detached from a main body, wherein the liquid cartridge attaching / detaching device includes a cartridge holding means for holding the liquid cartridge by a first predetermined operation, and a lever arm rotating. And a power transmission conversion mechanism for converting a second predetermined operation for loading a liquid cartridge held in the cartridge holding means, and when the cartridge holding means does not hold the liquid cartridge, the lever arm is operated. Erroneous loading preventing means for restricting movement of the cartridge holding means in the loading direction by the cartridge holding means, An engaging member that can be engaged with the liquid cartridge, and the erroneous loading preventing means includes a restricting portion that is capable of contacting the engaging member and restricting the movement on a base portion of the liquid cartridge attaching / detaching device. It is characterized by.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is an overall perspective view showing an outline of a recording apparatus according to the present invention. FIG. 2 is an overall plan view showing an outline of the recording apparatus according to the present invention.
On the back side of the main body of the recording apparatus 100, a hopper 101 on which sheets as recording media are stacked is provided so as to be swingable with the upper part as a fulcrum. The sheets stacked on the top of the hopper 101 are fed by the feeding unit 144 to the recording unit side, which is the downstream side in the transport direction.

  Specifically, the stacked sheets are picked up by a feeding roller (not shown) driven by a feeding motor 104. The paper is then fed to a transport roller (not shown) on the downstream side in the transport direction while being guided by the paper guide 103. The sheet fed to the conveyance roller is further conveyed to the recording unit 143 on the downstream side in the conveyance direction by a conveyance roller driven by a conveyance motor (not shown).

  The recording unit 143 includes a platen 105 that supports a sheet from below and a carriage 107 that is provided to face the upper side of the platen 105. Among them, the carriage 107 is driven by the carriage motor 102 while being guided by a carriage guide shaft (not shown) extending in the main scanning direction. Further, a recording head 106 that discharges ink toward the paper is provided on the bottom surface of the carriage 107. The sheet recorded by the recording unit 143 is further conveyed downstream and is discharged from the front side of the recording apparatus 100 by a discharge roller (not shown).

  In addition, an ink cartridge 211 (see FIG. 3) is loaded in the attachment / detachment device 201 below the main body of the recording apparatus 100, and an ink supply path (not shown) is provided via ink supply needles 411, 411,. Ink is supplied to the head. Further, the ink is supplied to the recording head 106 of the carriage 107 via the ink supply tube 110. When the recording head 106 is flushed and cleaned, ink is ejected and sucked in the ink suction device 200 that is provided on the first digit side and maintains the ejection characteristics of the recording unit 143. The ink suction device 200 includes a cap unit 213 and is configured to seal the recording head 106 by moving the cap unit 213 in the vertical direction.

FIG. 3 is an overall perspective view showing an outline of the attachment / detachment device according to the present invention.
As shown in FIG. 3, the ink cartridge attachment / detachment device 201 is provided with an insertion opening 271 into which the ink cartridge 211 is inserted. The insertion opening 271 is provided on the back side of the recording apparatus 100 shown in FIGS. The ink cartridge attaching / detaching device 201 includes a lever arm 363 operated by a user, and power transmission conversion for converting the power of the lever arm 363 into the movement of the second predetermined stroke S2 (see FIG. 11) necessary for loading the ink cartridge 211. The mechanism 230, the cartridge holding means 210 that holds the ink cartridge 211 inserted into the insertion opening 271 in the first predetermined stroke S1 (see FIG. 8), and the ink cartridge 211 held by the cartridge holding means 210 when discharged Cartridge unlocking means 220 for releasing the cartridge, and cartridge forcibly moving means 400 (see FIGS. 26 to 30) for forcibly moving the ink cartridge 211 in the discharging direction with respect to the cartridge holding means 210 when discharging. . Hereinafter, these structures and operations will be described in order.

Note that a frame member 190 formed of a metal plate is provided above the attachment / detachment device 201 to dispose a conveyance unit that conveys a sheet, a recording unit that performs recording on the sheet, and the like. The frame member 190 is provided so as to engage with a position that does not face the ink cartridge 211 in the attachment / detachment device 201 with the ink cartridge 211 loaded, that is, a position on the side wall near the side end of the attachment / detachment device 201. ing. Accordingly, the attachment / detachment device 201 is deformed by the weight pressed against the frame member 190, and it is possible to prevent the friction between the attachment / detachment device 201 and the ink cartridge 211 from increasing when the ink cartridge 211 is inserted, loaded, and discharged. it can.
Further, the fastening between the frame member 190 and another structure disposed above the frame member 190 can be removed from the side surface, so that the frame member 190 and the attachment / detachment device 201 disposed below the frame member can be detached independently. Is provided. That is, only the attachment / detachment device 201 can be easily detached from the entire recording apparatus.

FIG. 4 is a front perspective view showing the attachment / detachment device before the ink cartridge is inserted and the lever arm is in the “reset position”. FIG. 5 is a plan view showing the attachment / detachment device in which the lever arm is in the “reset position” while the ink cartridge is being inserted. 6 is a side perspective view of FIG. 5, and FIG. 7 is a side sectional view of the main part of FIG.
As shown in FIGS. 4 to 7, the ink cartridge 211 attachment / detachment device 201 includes a power transmission conversion mechanism 230, a cartridge holding means 210, a cartridge lock release means 220, and a cartridge forced movement means 400.

Among them, the power transmission conversion mechanism 230 includes a lever arm 363, a first gear 231, a second gear 232, a third gear 233, a fourth gear 234, a cam portion 235, and a slider portion 240. The
Among these, the 1st gear 231 is provided in the lever arm 363, and the 2nd gear 232 is provided so that the 1st gear 231 may be contacted so that power transmission may be possible. The third gear 233 is provided integrally with the second gear 232, and the fourth gear 234 is provided so as to contact the third gear 233 so that power can be transmitted. Furthermore, the cam portion 235 is provided integrally with the fourth gear 234, and the slider portion 240 as a cam follower is provided so as to contact the cam portion 235.

The cartridge forcibly moving unit 400 is configured to forcibly move the ink cartridge 211 in the discharging direction with respect to the cartridge holding unit 210 during discharging.
Furthermore, the slider portion 240 is provided with a first slider opening 246. Then, when the cam portion 235 abuts and presses against the first surface 246a or the second surface 246b of the first slider opening 246, the slider portion 240 is provided so as to be movable in the loading / discharging direction. In addition, the cam portion 235 includes an eccentric cam portion 235a and a concentric cam portion 235b described later (see FIG. 25).
Here, the moving direction of the slider part 240 is regulated by inserting the shafts 262a and 262b through the two guide slits 241a and 241b provided in the slider part 240 along the moving direction.

  In the present embodiment, the lever arm 363 is provided so as to rotate about the lever support shaft 364. The position of the lever arm 363 shown in FIGS. 4 to 10 is the “reset position” of the lever arm, and the position of the lever arm 363 shown in FIGS. 13 to 16 is the “set position” of the lever arm. Further, the rotation range of the lever arm 363 is restricted by a lever rotation restriction protrusion 369 provided on the base body 387 on the attachment / detachment apparatus main body side and two lever rotation restriction portions 366 provided on the lever arm 363. ing. Therefore, the lever arm 363 can rotate only between the “set position” and the “reset position”.

  The cartridge holding means 210 includes a slider portion 240 having a latch plate 250 formed with two claw portions 251 and 251 on the attachment / detachment device side, and two locations on the ink cartridge side that can be engaged with the claw portions 251 and 251. Of the concave portions 211a and 211a. The latch plate 250 has the latch plate engaging portion 254 on the opposite side to the claw portions 251 and 251 and the slider engaging portion 245 on the slider portion side as a fulcrum, with the claw portion side in the vertical direction in FIG. The slider portion 240 is swingable.

  The latch plate 250 is disposed on the upper surface of the slider portion 240. The two claw portions 251 and 251 of the latch plate 250 are provided so as to protrude downward through the two second slider openings 247 of the slider portion 240. At this time, a base opening 387a is also provided in the base 387 of the attachment / detachment device 201 so as not to prevent the engagement between the claw portions 251 and 251 and the recesses 211a and 211a.

A slider engaging portion 245 is formed by bending at the center in the loading direction of the slider portion 240. The slider engaging portion 245 is provided so as to be able to engage with the latch plate engaging portion 254 on the upstream side in the loading direction of the latch plate 250. In the present application, the first engaging means includes a slider engaging portion 245 and a latch plate engaging portion 254. The latch plate 250 is provided so as to be swingable with the position where the first engaging means is engaged as a fulcrum.
In the present application, “engagement of the first engagement means” means a state in which the slider engagement portion 245 and the latch plate engagement portion 254 are in surface contact.

  The slider portion 240 is formed with a slider protrusion 242 extending in the loading direction and the swinging direction of the latch plate 250 by bending in a direction orthogonal to the loading direction. The slider protrusion 242 is provided so as to be engageable with a hole-shaped latch plate slit 255 extending in the loading direction of the latch plate 250. In the present application, the second engaging means includes a slider protrusion 242 and a latch plate slit 255.

The latch plate spring 256 is provided so as to urge the latch plate 250 and the slider portion 240 to be engaged by the first engaging means when no external force is applied to the latch plate 250. Furthermore, the latch plate spring 256 is also provided to urge the claw portions 251 and 251 of the latch plate 250 downward.
In the present application, “engagement of the second engagement means” means a state in which the slider protrusion 242 presses the surface of the latch plate slit 255 on the loading direction side and is in surface contact.

Further, the cartridge lock releasing means 220 is provided with the inclined portion 253 formed on the latch plate 250 and cancel arms 260a and 260b that abut against the inclined portion 253 and push the latch plate 250 upward only when the ink cartridge 211 is discharged. It consists of.
Among these, the cancel arms 260a and 260b are provided on both sides of the latch plate 250 in the width direction with respect to the loading direction. Furthermore, the cancel arms 260a and 260b are rotatably provided against the urging force of the cancel arm spring 261 with the shafts 262a and 262c as fulcrums.

  The cartridge forced movement means 400 includes a push lever 401 provided in the slider portion 240, a protrusion 387b provided in the push lever opening 387d of the base 387, and a push lever spring 402, as will be described later. (See FIGS. 26 to 30).

A more detailed description of the structure will be given while explaining the operation of the attachment / detachment device 201.
In the present embodiment, the slider portion 240 and the latch plate 250 are formed of a metal plate. Therefore, the slider portion 240 and the latch plate 250 can accurately position the latch plate 250 in a so-called rigid manner. Further, there is no risk of deformation even when left under high temperature conditions.

[Ink cartridge insertion]
Next, the operation will be described separately for each state of insertion, loading, and ejection of the ink cartridge 211.
First, the ink cartridge 211 is inserted into the insertion opening 271 from the state where the ink cartridge 211 shown in FIG. At this time, a guide surface 363d is provided on the lever protrusion 363c of the knob 363a formed on the distal end side of the arm main body 363b of the lever arm 363. The guide surface 363d is provided to guide the ink cartridge 211 to the insertion opening 271 when the user inserts the ink cartridge 211 into the insertion opening 271.

More specifically, the guide surface 363d is inclined with respect to the loading direction of the ink cartridge 211. The guide surface 363d is provided so that the ink cartridge 211 protruding from the approach path A extending in the direction facing the insertion opening 271 is gradually pushed back to the entrance path A as the insertion opening 271 is approached.
Here, the “loading direction” refers to a direction in which the ink cartridge 211 enters the insertion opening 271 toward the ink supply needles 411, 411,. Specifically, it is a direction from the lower side to the upper side indicated by the arrow in FIG.

The user inserts the leading end side of the ink cartridge 211 into the insertion opening 271. Then, the leading end of the ink cartridge 211 hits the discharge lever 385 provided in the back of the insertion opening 271. The discharge lever 385 is provided so as to rotate about the discharge lever shaft 386 as a fulcrum and to be urged in a discharge direction in which the ink cartridge 211 is discharged by a spring (not shown).
Here, the “discharge direction” refers to a direction opposite to the loading direction.

  And the state which stopped for a while is a state shown in FIGS. In this state, the side surface of the ink cartridge 211 blocks the path of the lever protrusion 363c. Therefore, the user cannot rotate the lever arm 363 at the “reset position” to the “set position” side. As a result, an operation in which the user pushes the ink cartridge 211 in the loading direction with the lever protrusion 363c, that is, a so-called erroneous operation (abnormal operation) can be prevented.

  In addition, when the position of the lever arm 363 is a position other than the “reset position”, the lever protrusion 363 c is configured to block the entrance of the insertion opening 271. Accordingly, the user can insert the ink cartridge 211 into the insertion opening 271 only when the lever arm 363 is positioned at the “reset position”. In other words, when the position of the lever arm 363 is a position other than the “reset position”, the user cannot insert the ink cartridge 211.

FIG. 8 is a plan view showing the attachment / detachment device at the “reset position” of the lever arm when the ink cartridge is completely inserted. 9 is a side perspective view of FIG. 8, and FIG. 10 is a side sectional view of the main part of FIG.
5 to 7, the user further pushes the ink cartridge 211 against the biasing force of the discharge lever 385 and inserts it for the first predetermined stroke S1. Then, the ink cartridge 211 is completely inserted as shown in FIGS.

  Specifically, when the user further pushes the ink cartridge 211 from the state shown in FIGS. 5 to 7, the leading end of the ink cartridge 211 protrudes downward through the second slider opening 247 of the slider 240. It contacts the claw portions 251 and 251 of the latch plate 250. Then, the front end portion of the ink cartridge 211 pushes the claw portions 251 and 251 upward against the urging force of the latch plate spring 256.

  Thereafter, when the ink cartridge 211 is further pushed in, the two claw portions 251 and 251 are lowered, and the claw portions 251 and 251 are engaged with the two concave portions 211a and 211a on the ink cartridge side. That is, the slider portion 240 integrally holds the ink cartridge 211 via the latch plate 250. This state is a state where the ink cartridge 211 is completely inserted.

  Note that the two claw portions 251 and 251 of the latch plate 250 are formed integrally with the latch plate 250. The two claw portions 251 and 251 of the latch plate 250 are provided so as to engage with the two concave portions 211 a and 211 a provided at substantially the center in the width direction with respect to the loading direction of the ink cartridge 211. . Therefore, even if the orientation of the ink cartridge 211 is inclined to some extent with respect to the loading direction, the two claw portions 251 and 251 can engage with the two concave portions 211a and 211a. Further, the two claw portions 251 and 251 are synchronized by being integrally formed. Therefore, there is no possibility that only one of the recesses 211a and 211a is engaged and the other is not engaged with the recesses 211a and 211a, that is, a so-called one-side latch.

  8 to 10, even if the ink cartridge 211 is pushed by hand further from the position of the ink cartridge 211 shown in FIGS. 8 to 10, the tip side of the ink cartridge 211 is restricted by the contact portion 243 provided in the slider portion 240. Is done. At this time, the slider portion 240 is provided so as not to move unless the lever arm 363 is rotated by the shape of the cam portion 235 (see FIG. 25) described later.

[Loading ink cartridges]
FIG. 11 is a plan view showing the attachment / detachment device in the middle of loading of the ink cartridge, and FIG. 12 is a sectional side view of the main part of FIG.
As shown in FIG. 11, the user rotates the lever arm 363 from the “reset position” shown in FIG. 8 counterclockwise about the lever support shaft 364 as a fulcrum. Then, as described above, the first gear 231 transmits power to the second gear 232, and the third gear 233 provided integrally with the second gear 232 transmits power to the fourth gear 234. Further, the cam portion 235 provided integrally with the fourth gear 234 contacts and presses the first surface 246a of the first slider opening 246 to move the slider portion 240 in the loading direction. At this time, guide slits 241a and 241b are provided in the slider portion 240 at two locations in series along the loading direction. Then, shafts 262a and 262b provided on the base 387 are inserted into the guide slits 241a and 241b, whereby the moving direction of the slider portion 240 is restricted.

  At this time, the cam portion 235 is configured to press the central portion in the width direction with respect to the loading direction of the slider portion 240. Further, regarding the positional relationship with the latch plate 250, the position of the cam portion 235 where the slider portion 240 is pressed is the position on the approximate center line of the two claw portions 251, 251 of the latch plate 250 in the width direction. It is comprised so that. Furthermore, as shown in FIG. 12, the surfaces of the claw portions 251 and 251 that press the ink cartridge 211 are provided so as to be orthogonal to the loading direction. Accordingly, the postures of the ink cartridge 211, the latch plate 250, and the slider portion 240 can be stabilized, and the power of the cam portion 235 can be efficiently transmitted to the ink cartridge 211.

  When the slider portion 240 moves in the loading direction, the ink cartridge 211 held by the claw portions 251 and 251 of the latch plate 250 also moves together. At this time, due to the weight of the ink cartridge 211, the engagement between the slider engaging portion 245 and the latch plate engaging portion 254 as the first engaging means is loosened. In the second engaging means, the slider protrusion 242 that engages with the latch plate slit 255 presses the surface of the latch plate slit 255 on the loading direction side. This pressing force moves the ink cartridge 211 in the loading direction via the claw portions 251 and 251. As the ink cartridge 211 moves, the ink supply needles 411, 411,... Provided on the front end side in the loading direction gradually pierce the ink cartridge 211.

  At this time, in order to pierce the ink supply needles 411, 411,. Therefore, the slider protrusion 242 is provided by bending in a direction orthogonal to the loading direction as described above. Therefore, there is no possibility that the slider protrusion 242 bends or deforms even when a large force is applied. That is, the slider protrusion 242 can be in surface contact with the surface of the latch plate slit 255 on the loading direction side and reliably transmit the pushing force to the ink cartridge 211 via the latch plate 250. Further, since the slider protrusion 242 is not deformed, the position of the latch plate 250 can be determined with high accuracy, so-called rigid.

  The structure in which the latch plate 250 is engaged with the slider portion 240 by the first engaging means and the second engaging means in this way is surely the pushing force and the pushing distance (second predetermined stroke S2). This is to ensure If a support shaft is provided to swing the latch plate 250, a large pushing force required when the ink cartridge 211 is loaded is concentrated on the support shaft. Then, since the support shaft is deformed, there is a possibility that the accuracy of the pushing force and the pushing distance when pushing the ink cartridge 211 cannot be ensured. Therefore, by changing the engagement position by the operation of the latch plate 250 without providing the support shaft, the pushing force and the pushing distance (second predetermined stroke S2) can be surely provided with the swing function of the latch plate 250 being provided. ) Can be secured.

  Further, the slider engaging portion 245 and the latch plate engaging portion 254 as the first engaging means, and the slider protrusion 242 and the latch plate slit 255 as the second engaging means are provided to the claw portions 251 and 251. Are provided in series in the loading direction. Therefore, the positions of the claw portions 251 and 251 of the latch plate 250 can be determined more accurately and rigidly. Further, since the pair of the first engaging means and the second engaging means are provided in the width direction with respect to the loading direction, the posture of the latch plate 250 can be stabilized. Furthermore, since the second engaging means is provided in series with the claw portions 251 and 251 in the loading direction, the pushing force can be transmitted to the claw portions 251 and 251 more efficiently. .

  Further, the slider protrusion 242 and the latch plate slit 255 of the second engagement means regulate the position of the latch plate 250 in the width direction with respect to the slider portion 240. Therefore, when the ink cartridge 211 is inserted, the concave portions 211a and 211a of the ink cartridge 211 and the claw portions 251 and 251 of the latch plate can be reliably opposed to each other.

The positions where the claw portions 251 and 251 engage with the recesses 211a and 211a are positions where the ink supply needles 411, 411... Pierce the ink cartridge 211 in the height direction of the ink cartridge 211 (the vertical direction in FIG. 12). The closer it is to the better. The closer the position is, the more stable the posture of the ink cartridge 211 is and the more efficiently the pushing force, which is the power of the cam portion 235 at the time of loading, can be transmitted to the ink cartridge 211.
Here, the engagement position between the claw portions 251 and 251 and the recesses 211a and 211a is related to the trajectory of the lower tip of the claw portions 251 and 251 when the latch plate 250 swings upward at the time of discharge described later. However, it is desirable to configure the ink cartridge 211 so as to face the ink supply needles 411, 411,.

  When the user subsequently rotates the lever arm 363 to the “set position” side, the shoulder portion 252 provided on the slider portion 240 moves to the tip of the cancel arms 260a and 260b as the slider portion 240 moves in the loading direction. It abuts on the abutment portion 260c. The shoulder 252 rotates the cancel arms 260a and 260b against the urging force of the cancel arm spring 261 with the shaft 262c inserted through the slit 241c and the shaft 262a inserted through the guide slit 241a as fulcrums. (See FIG. 11). At this time, since the shoulder portion 252 receives a pressing force from the tip contact portion 260c, the contact between the slider protrusion 242 and the surface of the latch plate slit 255 on the loading direction side can be further ensured. That is, the posture of the latch plate 250 can be stabilized by the biasing force of the cancel arm spring 256.

Further, when the slider portion 240 moves in the loading direction, the shoulder portion 252 passes through the tip contact portions 260c of the cancel arms 260a and 260b. Then, the cancel arms 260a and 260b return to their original states (see FIGS. 5, 8, and 14) by the urging force of the cancel arm spring 261. The cancel arms 260a and 260b are members that act on the latch plate 250 when the ink cartridge 211 is discharged, and will be described later.
When the user rotates the lever arm 363 counterclockwise to the “set position”, the ink cartridge 211 is completely loaded.

FIG. 13 is a front perspective view showing the attachment / detachment device in which the loading of the ink cartridge is completed and the lever arm is in the “set position”. 14 is a plan view of FIG. 13, FIG. 15 is a side perspective view of FIG. 13, and FIG. 16 is a side sectional view of the main part of FIG.
As shown in FIGS. 13 to 16, the user further rotates the lever arm 363 from the state of FIGS. 11 and 12 to the “set position”. Then, the ink cartridge 211 moves from the ink cartridge 211 insertion completed state (see FIGS. 8 to 10) in the second predetermined stroke S2 loading direction, and the ink supply needles 411, 411. In other words, the ink cartridge 211 is completely loaded.

In addition, a contact device 414 including a connector portion 412 that can contact the ink remaining amount information terminal 212 is provided. The ink remaining amount information terminal 212 provided on the front right side surface of the ink cartridge 211 is electrically connected to the connector portion 412 provided on the attachment / detachment apparatus main body side immediately before the ink cartridge 211 is completely loaded. Is provided. The connector part 412 is provided so as to be movable by a fixed distance in the loading direction. Furthermore, the connector portion 412 has a slight stroke from immediately before the ink cartridge 211 is completely loaded to when the ink cartridge 211 is completely loaded, by the contact surface and the connector spring 413 that abuts the distal end side surface of the ink cartridge 211 on the leading end side in the loading direction of the connector portion 412. Accordingly, the ink cartridge 211 is provided so as to be able to follow the movement.
Note that friction occurs between the connector portion 412 and the ink cartridge 211 when the connector portion 412 is electrically connected to the ink remaining amount information terminal 212 and when the connection is released.

  Furthermore, immediately before the completion of the loading of the ink cartridge 211, the front end side of the ink cartridge 211 has a valve lever (not shown) for switching opening and closing of an ink flow path valve (not shown) provided on the attachment / detachment apparatus main body side. Abut. The valve lever is provided so as to urge the ink cartridge 211 in the discharge direction by a spring (not shown) in the same manner as the discharge lever 385. When the front end side of the ink cartridge 211 is not in contact with the valve lever, the ink flow path valve is closed. On the other hand, when the ink cartridge 211 is completely loaded, the ink flow path valve is configured to be opened when the leading end of the ink cartridge 211 comes into contact with the valve lever and moves the valve lever against the urging force. Yes.

[Eject ink cartridge]
FIG. 17 is a plan view showing the attachment / detachment device in the middle of discharging the ink cartridge, and FIG. 18 is a sectional side view of the main part of FIG.
When ejecting the ink cartridge 211, the user rotates the lever arm 363 clockwise from the “set position” shown in FIG. 13 to the “reset position” shown in FIGS. 5 and 8. At this time, since the operation of the attachment / detachment device 201 is complicated, it will be described below in stages.

  As shown in FIGS. 17 and 18, when the user slightly rotates the lever arm 363 from the “set position” to the “reset position” side, the rotation power of the lever arm 363 is transmitted to the cam portion 235 as described above. Is done. The cam portion 235 contacts and presses the second surface 246b of the first slider opening 246 provided in the slider portion 240, and slightly moves the slider portion 240 in the discharge direction. At this time, since the ink supply needles 411, 411,... Are pierced, the ink cartridge 211 does not move until it abuts against the contact portion 243 provided on the leading end side in the loading direction of the slider portion 240 (see FIG. 18). As the slider portion 240 moves slightly in the discharge direction, the latch plate 250 also moves slightly in the discharge direction.

At this time, the engagement between the claw portions 251 and 251 of the latch plate 250 and the recesses 211a and 211a of the ink cartridge 211 is loosened, and a clearance, so-called clearance, is generated between the claw portions 251 and 251 and the recesses 211a and 211a. . Accordingly, the claw portions 251 and 251 are not subjected to any force from the ink cartridge 211. Then, the latch plate spring 256 acts on the latch plate 250. Accordingly, the leading end side in the loading direction of the latch plate slit 255 abutted at the time of loading is separated from the slider protrusion 242 and the latch plate 250 is engaged with the slider portion 240 by the first engaging means.
The urging force of the discharge lever 385 is smaller than the frictional force between the ink cartridge 211 and the ink supply needles 411, 411, etc., so the ink cartridge 211 does not move.

FIG. 19 is a side cross-sectional view of the main part showing the attachment / detachment device in the middle of discharging the ink cartridge.
As shown in FIG. 19, when the user gradually rotates the lever arm 363 further toward the “reset position” from the state of FIGS. 17 and 18, the slider portion 240 gradually moves further to the left side of the drawing, which is the discharging direction. At this time, the contact portion 243 provided on the slider portion 240 is in contact with and pressed against the tip portion of the ink cartridge 211. Therefore, against the frictional force between the ink cartridge 211 and the ink supply needles 411, 411,..., The contact portion 243 gradually moves the ink cartridge 211 to the left side in the drawing, which is the discharge direction.

  At this time, the contact portion 243 is provided at a position facing the two claw portions 251 and 251. Similarly to the fact that the claw portions 251 and 251 are pushed in while stabilizing the posture of the ink cartridge 211 during loading, the two contact portions 243 and 243 stabilize the posture of the ink cartridge 211 during ejection. However, the ink cartridge 211 can be moved in the discharge direction.

  Further, as the slider portion 240 moves in the discharging direction, the pair of inclined portions 253 and 253 of the latch plate 250 gradually rides on the tip contact portions 260c and 260c of the cancel arms 260a and 260b. At this time, the tip contact portions 260c and 260c urge the latch plate 250 to be engaged by the first engaging means via the inclined portions 253 and 253, and latch via the inclined portions 253 and 253. The plate 250 is pushed upward. Then, the latch plate 250 starts to swing upward with the position where the slider engaging portion 245 and the latch plate engaging portion 254 as the first engaging means are engaged with each other.

  At this time, since the claw portions 251 and 251 extend downward, the diameter of the orbit at the lower end of the claw portions 251 and 251 is larger than the other portions, but the claw portions 251 and 251 and the recesses 211a and 211a described above The claw portions 251 and 251 are provided so as to be able to rise without receiving frictional resistance. Here, since the first engagement means is surface contact, the positions and the trajectories of the claw portions 251 and 251 can be determined rigidly. Therefore, although the gap is very small, there is no possibility of friction between the claw portions 251 and 251 and the recesses 211a and 211a when the latch plate 250 swings upward.

FIG. 20 is a side perspective view showing the attachment / detachment device in the middle of discharging the ink cartridge, and FIG. 21 is a side sectional view of the main part of FIG.
As shown in FIGS. 20 and 21, when the user gradually rotates the lever arm 363 further toward the “reset position” from the state shown in FIG. 19, the slider portion 240 further gradually moves in the discharging direction. At this time, the inclined portions 253 and 253 of the latch plate 250 completely ride on the tip contact portions 260c and 260c of the cancel arms 260a and 260b. Accordingly, the latch plate 250 reaches the highest point of swinging upward, and the claw portions 251 and 251 are completely detached from the recesses 211a and 211a and are disengaged.
Here, since the upward swing of the latch plate 250 requires a gap between the claw portions 251 and 251 and the recesses 211a and 211a, the contact portions 243 and 243 move the ink cartridge 211 in the discharge direction. It is configured to be performed during

On the other hand, the contact portions 243, 243 are arranged so that the ink supply needles 411, 411,... Are almost completely removed from the ink cartridge 211, and the ink cartridge 211 and the ink supply needles 411, 411,. 211 is moved in the discharging direction.
After the frictional resistance between the ink cartridge 211 and the ink supply needles 411, 411,... Disappears, the push-out lever 401 of the cartridge forcible moving means 400, which will be described later, provided with the slider portion 240 acts to move the ink cartridge 211. The slider 240, which is the cartridge holding means 210, is forcibly moved in the discharge direction. The push lever 401 is provided to move the ink cartridge 211 against the relatively small frictional resistance between the ink cartridge 211 and the connector portion 412 described above.

  Here, the push-out lever 401 has a push-out portion 401b (see FIGS. 22 and 26 to 30) that pushes against the ink cartridge 211 at one end and a protrusion 387b (on the base 387 of the attachment / detachment device 201 at the other end). 26 to 30) and an abutting portion 401a (see FIGS. 22 and 26 to 30) that abuts and engages. The push lever 401 is provided so as to rotate about the slider portion 240 as a fulcrum.

  When the protrusion 387b (see FIGS. 26 to 30) and the contact portion 401a are disengaged, the pushed push lever 401 is moved to the original position (the position shown in FIG. 17) by the push lever spring 402. ). As for a specific operation, first, when the slider portion 240 moves in the discharging direction, the contact portion 401a of the push lever 401 that moves together with the slider portion 240 engages with the protrusion 387b of the base 387. Next, the abutting portion 401a becomes a power point of the lever principle, and the push-out lever 401 rotates. Then, the push-out portion 401b becomes an action point of the lever principle, and the ink cartridge 211 is forcibly moved with respect to the slider portion 240 in the third predetermined stroke S3 (see FIGS. 22 and 23) discharge direction.

At this time, the push lever 401 moves the ink cartridge 211 in the discharge direction with respect to the slider portion 240 by a third predetermined stroke S3. Therefore, even if the latch plate 250 is swung downward by an operation of rotating the lever arm 363 to the “set position” side, that is, an erroneous operation (abnormal operation), the claw portions 251 and 251 and the recess 211a. , 211a is not likely to be engaged again.
Here, the “third predetermined stroke S3” is a moving distance of the ink cartridge 211 with respect to the slider portion 240, from a position where the claw portions 251 and 251 and the concave portions 211a and 211a are engaged to a position where they are not engaged. The distance traveled.

In FIG. 21, the ink supply needles 411, 411... Seem to pierce the ink cartridge 211, but needle insertion openings 211 b, 211 b as packings through which the ink supply needles 411, 411. It is in a state that is completely out of…. Accordingly, the friction resistance between the ink cartridge 211 and the ink supply needles 411, 411,.
In this embodiment, the push lever 401 is configured to act against a relatively small frictional resistance between the ink cartridge 211 and the connector portion 412, but the ink cartridge 211 and the ink supply needles 411 and 411 are configured. Of course, it may be configured to act against a relatively large frictional resistance.

FIG. 22 is a plan view showing the attachment / detachment device in the middle of discharging the ink cartridge, and FIG. 23 is a sectional side view of the main part of FIG.
As shown in FIGS. 22 and 23, when the user gradually rotates the lever arm 363 further toward the “reset position” from the state shown in FIGS. 20 and 21, the slider 240 further gradually moves in the discharging direction. Then, after the push lever 401 moves the ink cartridge 211 relative to the slider portion 240 against a relatively small frictional resistance between the ink cartridge 211 and the connector portion 412, the ink cartridge 211 and the attachment / detachment device 201 are moved. There is almost no frictional resistance. Therefore, the urging force of the discharge lever 385 tries to push the ink cartridge 211 in the discharge direction.

FIG. 24 is a side cross-sectional view of the main part showing the attachment / detachment device in the middle of discharging the ink cartridge.
As shown in FIG. 24, when the user gradually turns the lever arm 363 further to the reset side from the state shown in FIGS. 22 and 23, the slider 240 further gradually moves in the ejecting direction. At this time, the ink cartridge 211 is pushed out in the discharge direction by the urging force of the discharge lever 385. Thereafter, the inclined portions 253 and 253 of the latch plate 250 get over the tip contact portions 260c and 260c of the cancel arms 260a and 260b. Accordingly, the latch plate 250 swings downward after the ink cartridge 211 is moved in the discharge direction by the discharge lever 385.

The ink cartridge 211 that has moved in the discharging direction by the urging force of the discharging lever 385 jumps out of the insertion opening 271 by about half of its body, and comes into contact with the lever protrusion 363 c of the lever arm 363 and stops.
When the user rotates the lever arm 363 completely to the “reset position” (see FIGS. 4 to 6, 8 and 9) and moves the lever protrusion 363 c to the outside of the approach path A, the user The ink cartridge 211 can be taken out from the insertion opening 271.

FIG. 25 is a plan view showing the shape of the cam portion according to the present invention.
As shown in FIG. 25, the cam portion 235 is provided so as to rotate about the cam shaft 235c, an eccentric cam portion 235a eccentric with respect to the cam shaft 235c, and a concentric cam portion concentric with the cam shaft 235c. 235b. As described above, when the user rotates the lever arm 363 from the “reset position” to the “set position” side, the cam portion 235 rotates counterclockwise as shown in FIG. At this time, the eccentric cam portion 235 a presses the first surface 246 a of the first slider opening 246. Accordingly, the slider portion 240 moves in the loading direction indicated by the arrow while being guided by the guide slits 241a and 241b and the shafts 262a and 262b.

  When the lever arm 363 is at a position immediately before the “set position”, the concentric cam portion 235b comes into contact with the first surface 246a. When the user further turns the lever arm 363 to the “set position”, the state shown in FIG. That is, when the lever arm 363 is at a position immediately before the “set position”, the slider 240 has already been moved by the second predetermined stroke S2 necessary for loading. Thereafter, even if the user rotates the lever arm 363 from the position immediately before the “set position” to the “set position”, the concentric cam portion 235b is in contact with the first surface 246a. Therefore, the slider part 240 does not move. That is, even if the lever arm 363 is further rotated, the moving distance of the slider portion 240 does not become a so-called overstroke.

  Accordingly, the slider 240 can be configured not to follow the position (phase) of the lever arm 363 within a certain range. That is, by providing “play” of several degrees, it is possible to move the slider portion 240 in the second predetermined stroke S2 loading direction without completely rotating the lever arm 363 to the “set position”. . At this time, even if the slider portion 240 is completely rotated to the “set position”, the moving distance of the slider portion 240 remains the second predetermined stroke S2. Therefore, the cam portion 235 can easily manage the moving distance of the slider portion 240 when the ink cartridge 211 is loaded.

  For example, when the ink cartridge 211 is loaded, even if the user stops the operation at a position immediately before the “set position” without accurately rotating the lever arm 363 to the “set position”, the slider 240 Can be reliably moved by the second predetermined stroke S2. That is, even if there is a variation in the position where the user stops the operation of the lever arm 363, the ink cartridge 211 can be loaded by reliably moving the slider portion 240 by the second predetermined stroke S2.

  Here, the “position immediately before the set position” is an intermediate position between the “reset position” and the “set position”, and is a position biased toward the “set position” side. Further, it is desirable that the degree of bias is biased so that the concentric cam portion 235b is already in contact with the first surface 246a at a position where the user tends to stop the lever arm 363 when the ink cartridge 211 is loaded.

  Further, in a state where the slider portion 240 is moved in the loading direction by the second predetermined stroke S2, the first surface 246a is always in contact with the concentric cam portion 235b. In this state, the urging force is applied to the ink cartridge 211 so that the discharge lever 385 and the valve lever move the ink cartridge 211 in the discharge direction as described above. Further, there is a possibility that the ink cartridge 211 is forced to move out of the ink supply needles 411, 411, etc., and moves the ink cartridge 211 in the discharge direction. Therefore, a force that always moves the slider portion 240 in the discharging direction is applied.

  Therefore, in the present embodiment, the concentric cam portion 235b is always in contact with the first surface 246a when the loading movement is completed. Therefore, even if the first surface 246a presses the concentric cam portion 235b, there is no possibility that the cam portion 235 generates a force to rotate about the cam shaft 235c. That is, even if an external force is applied, the slider portion 240 does not move unless the lever arm 363 is rotated to the “reset position” side.

  In the present embodiment, when the lever arm 363 is rotated from the “set position” to the “reset position” side, the lever arm 363 is immediately before the “reset position” in the same manner as when the lever arm 363 is rotated to the “set position” side. The concentric cam portion 235b comes into contact with the second surface 246b at the position. That is, even if the user does not completely rotate the lever arm 363 to the “reset position”, the slider portion 240 can be moved in the second predetermined stroke S2 discharging direction. At that time, even if the slider 240 is completely rotated to the “reset position”, the moving distance of the slider portion 240 in the discharge direction remains the second predetermined stroke S2.

  Further, when the lever arm 363 is in the “reset position”, the concentric cam portion 235b is in contact with the second surface 246b. Here, as described above, a state where the user has inserted the ink cartridge 211 from the insertion opening 271 for the first predetermined stroke S1 and the ink cartridge 211 is held by the cartridge holding unit 210 will be considered. At this time, even if the user tries to push the ink cartridge 211 further, the user cannot move the slider portion 240 in the loading direction unless the lever arm 363 is rotated to the “set position” side. That is, even when the user tries to push the ink cartridge 211 beyond the first predetermined stroke S1, the position of the ink cartridge 211 is regulated by the contact portion 243 of the slider portion 240.

[Forcible cartridge moving means]
FIG. 26 (A) is an upper perspective view showing the cartridge forced movement means according to the present invention, and FIG. 26 (B) is a lower perspective view of (A).
As shown in FIGS. 26A and 26B, the cartridge forced movement means 400 includes a push lever 401 provided in the slider portion 240, a protrusion 387b provided in the push lever opening portion 387c of the base 387, and a push lever spring. 402. The push lever 401 has been described in the description of discharging the ink cartridge 211, but will be described in more detail below.

  The pushing lever 401 is provided so as to be rotatable about a pushing lever shaft 403 provided on the slider portion 240. Here, the push lever 401 is disposed on the lower surface of the slider portion 240, and a push lever opening portion 387 c is provided in the base 387 in the vicinity thereof. In the base 387, only the protrusion 387b provided in the extrusion lever opening 387c is provided so as to be able to contact the extrusion lever 401.

  The push lever 401 includes a push portion 401b that extends downward from the push lever opening portion 387c at one end and pushes the ink cartridge 211 in contact therewith. Furthermore, the push lever 401 includes a contact portion 401a that contacts and engages with a protrusion 387b provided on the base body 387 of the attachment / detachment device 201 at the other end. The contact portion 401 a extends upward through a C-shaped opening 248 provided in the slider portion 240. One end of the push lever spring 402 is attached to the contact portion 401a. The other end of one push lever spring 402 is attached to a hook 249 provided on the slider portion side.

Next, the operation of the cartridge forced movement unit 400 will be described. First, an operation when the ink cartridge 211 is loaded will be described.
FIG. 27 is a bottom view showing the cartridge forcible moving means in the middle of loading the ink cartridge. In the drawing, the direction from the lower side to the upper side is the loading direction.
As shown in FIG. 27, the ink cartridge 211 is held by the cartridge holding means 210. Accordingly, when the lever arm 363 is turned to the “set position” side, the lever arm 363 moves together with the slider portion 240 and the push lever 401 in the loading direction indicated by the arrow. When the slider part 240 and the pushing lever 401 move in the loading direction, the abutting part 401a of the pushing lever 401 gradually approaches and comes into contact with the protrusion 387b on the substrate side.

FIG. 28 is a bottom view showing the cartridge forcible moving means in a state where the push-out lever is rotating while the ink cartridge is being loaded.
As shown in FIG. 28, when the slider portion 240 and the pushing lever 401 further move in the loading direction from the state shown in FIG. 27, the protrusion 387b engages with the abutting portion 401a and resists the biasing force of the pushing lever spring 402. Then, the push lever 401 is rotated counterclockwise in the drawing. At this time, the push-out portion 401b of the push-out lever 401 swings away from the front end surface in the loading direction of the ink cartridge 211. And if the slider part 240 and the extrusion lever 401 further move to a loading direction, engagement with the processus | protrusion 387b and the contact part 401a will be cancelled | released.

FIG. 29 is a bottom view showing the cartridge forced moving means when the ink cartridge is completely loaded.
As shown in FIG. 29, when the slider portion 240 and the pushing lever 401 further move in the loading direction from the state shown in FIG. 28, the engagement between the base-side protrusion 387b and the abutting portion 401a of the pushing lever 401 is released. Accordingly, the push lever 401 is rotated clockwise in the figure by the urging force of the push lever spring 402 and returned to the posture shown in FIG.
As described above, when the ink cartridge 211 is loaded, the push-out lever 401 rotates, but the push-out lever 401 does not contact the ink cartridge 211 and therefore does not act on the ink cartridge 211 at all.

Next, the operation when discharging the ink cartridge will be described.
FIG. 30 is a bottom view showing the cartridge forcible moving means in a state where the push-out lever is rotating during ejection of the ink cartridge.
As shown in FIG. 30, when the user rotates the lever arm 363 from the “set position” to the “reset position” side from the state shown in FIG. 29, the ink cartridge 211 is integrated with the slider portion 240 and the push lever 401 by an arrow. Move in the discharge direction indicated by Then, the abutting portion 401a of the pushing lever 401 gradually approaches and comes into contact with the protrusion 387b on the base side.

  When the slider portion 240 and the pushing lever 401 further move in the discharging direction, the projection 387b and the contact portion 401a are engaged, and the projection 387b pushes the pushing lever 401 against the urging force of the pushing lever spring 402 in the drawing. Turn clockwise. At this time, as the push lever 401 rotates, the push portion 401 b of the push lever 401 comes into contact with and presses the surface of the ink cartridge 211 in the loading direction. That is, using the lever principle, the contact portion 401a which is a power point receives a force to rotate the push lever 401 around the push lever shaft 403 as a fulcrum. Then, the pushing portion 401b, which is an action point, presses the ink cartridge 211 to forcibly move the slider portion 240 in the discharge direction by the third predetermined stroke S3.

When the slider portion 240 and the pushing lever 401 further move in the discharging direction, the engagement between the protrusion 387b and the contact portion 401a is released. Therefore, the pushing lever 401 is rotated counterclockwise by the urging force of the pushing lever spring 402 and returned to the original posture shown in FIGS.
As described above, the push-out lever 401 rotates when the ink cartridge 211 is loaded and ejected. However, the ejecting lever 401 abuts against and presses the ink cartridge 211 only when ejecting the ink cartridge 211. It is configured to forcibly move to.

Here, the timing at which the push lever 401 acts on the ink cartridge 211 is the friction resistance between the connector portion 412 and the ink cartridge 211 after the ink supply needles 411, 411,. It is configured to work until there is no more. Further, the timing is configured to act after the claw portions 251 and 251 of the latch plate 250 swing upward and come out of the recesses 211a and 211a of the ink cartridge 211.
The ratio from the pushing lever shaft 403 to the contact portion 401a and the pushing portion 401b is about 1: 1, but the distance to either the contacting portion 401a or the pushing portion 401b is increased. Of course, the ratio may be increased.

[Incorrect loading of ink cartridges]
Subsequently, the erroneous loading of the ink cartridge 211 will be described.
FIG. 31 is a plan view showing the erroneous loading preventing means when the ink cartridge is erroneously loaded. FIG. 32 is a cross-sectional view of the main part of FIG.
As described above, the frame member 190 (see FIG. 3) as a base portion is disposed on the upper portion of the ink cartridge attaching / detaching device 201. As shown in FIGS. 31 and 32, an engagement member movement restricting portion 191 as an erroneous loading preventing means 420 is provided in a part of the frame member 190. The engaging member movement restricting portion 191 is disposed at a position facing the upper ends of the tips 251a and 251a of the claw portions 251 and 251 of the latch plate 250 when the lever arm is located in the vicinity of the “set position”. .
Here, in the embodiment of the present application, the engaging member movement restricting portion 191 is provided integrally with a part of the frame member 190. However, it is needless to say that the engaging member movement restricting part 191 may be provided integrally with a part of the base 387 of the attachment / detachment device 201. is there.

  As shown in FIGS. 31 and 32, there is a possibility that the ink cartridge 211 is not held by the cartridge holding means 210 for some reason during the loading of the ink cartridge 211, that is, a so-called no-latch state. Alternatively, there is a possibility that the ink cartridge 211 may be in a no-latch state for some reason even when the ink cartridge 211 is completely loaded.

In addition, the “no latch state” includes not only the state where the engagement between the claw portions 251 and 251 of the cartridge holding unit 210 and the recesses 211a and 211a of the ink cartridge 211 is completely released, but also the claw portions 251 and 251 This means a state including a state where the recesses 211a and 211a are engaged with halfway.
In the no-latch state, the ink cartridge 211 is in an unstable state, and the ink cartridge 211 tends to move slowly in the discharge direction so as to escape from the ink supply needles 411, 411,. In other words, the ink supply needles 411, 411,... May come out of the needle insertion openings 211b, 211b,.

  Even if the position of the ink cartridge 211 remains unchanged for some reason, the lever arm 363 may rotate to the “set position”. Therefore, the user may determine that the ink cartridge 211 has been normally loaded. And there is a possibility of being left as it is.

Therefore, the attachment / detachment device 201 according to the present embodiment includes an engagement member movement restricting portion 191 as the erroneous loading prevention means 420. The engaging member movement restricting portion 191 has restricting inclined portions 192 and 192. The regulation inclined portions 192 and 192 are provided at the same position in the height direction as the no-latch claw portions 251 and 251 displaced upward in FIG.
Therefore, in the no latch state in which the claw portions 251 and 251 are displaced upward, when the lever arm 363 is rotated from the “reset position” side, which is the counterclockwise direction in FIG. The leading ends 251a and 251a of 251 come into contact with the regulation inclined portions 192 and 192, respectively.

  At this time, the cartridge holding means 210 is restricted from moving in the loading direction. More specifically, the restricting inclined portions 192 and 192 not only restrict the movement of the claw portions 251 and 251 in the loading direction, but also displace the tips 251a and 251a of the claw portions 251 and 251 upward in FIG. It is provided with an inclination so as to regulate this. The regulation inclination parts 192 and 192 of the embodiment of the present application are inclined about 25 degrees with respect to the vertical direction which is the vertical direction in FIG.

And the claw part which made the fulcrum the engaging location of the slider engaging part 245 and the latch plate engaging part 254 which are the 1st engaging means when the control inclination parts 192 and 192 contact the claw parts 251 and 251 251 and 251 are crossed.
Specifically, the restricting inclined portions 192 and 192 are configured to approach the swing fulcrum of the claw portions 251 and 251 as the claw portions 251 and 251 are displaced in a direction away from the ink cartridge 211. Therefore, there is no possibility that the tips 251a and 251a of the claw portions 251 and 251 are displaced upward in FIG. As a result, there is no possibility that the slider portion 240 moves in the loading direction when the claw portions 251 and 251 are displaced upward in FIG.

  That is, the restricting inclined portions 192 and 192 can stop the lever arm 363 before the “set position”. Therefore, the user can determine that the load is incorrect. At this time, the lever arm 363 can be stopped in a so-called rigid manner as when hitting a hard object. Therefore, the user determines that there is no selection other than turning the lever arm 363 to the “reset position” side.

Here, it is desirable that the restricting inclined portions 192 and 192 extend in the loading direction by bending in the direction orthogonal to the loading direction, like the slider protrusion 242. With this configuration, the restricting inclined portions 192 and 192 can counter the pushing force in the loading direction transmitted from the slider protrusion 242 via the claw portions 251 and 251. That is, the restricting inclined portions 192 and 192 can stop the lever arm 363 rigidly.
In addition, it is desirable that the upward height of the restricting inclined portions 192 and 192 in FIG. 27 is equal to or higher than the height at which the claw portions 251 and 251 can swing upward. As a result, the regulation inclined portions 192 and 192 can more reliably regulate the displacement of the claw portions 251 and 251. That is, the regulation inclined portions 192 and 192 include not only the claw portions 251 and 251 when the engagement between the claw portions 251 and 251 and the concave portions 211a and 211a is halfway, but also the claw portions 251 and 251 and the concave portions 211a and 211a. It is possible to restrict the loading direction of the claw portions 251 and 251 and the upward movement in FIG. 32 when the engagement is released.

  When the user rotates the lever arm 363 to the “reset position” side according to the determination, the contact portion 243 of the slider portion 240 and the push-out lever 401 of the cartridge forced movement means 400 can be operated as described above. As a result, the ink cartridge 211 can be discharged. Then, by redoing the insertion of the ink cartridge 211, ink leakage due to erroneous loading can be prevented.

  In the state shown in FIG. 32, the ink supply needles 411, 411,... On the recording apparatus main body side are likely to be stuck in the so-called packing insertion openings 211b, 211b,. There is no stab. That is, the position of the ink cartridge 211 when the engaging member movement restricting portion 191 restricts the claw portions 251 and 251 is a position where the ink supply needles 411, 411... Are not stuck in the needle insertion openings 211b, 211b. It is. Further, since the engaging member movement restricting portion 191 is formed of a metal plate similarly to the latch plate 250 and the slider portion 240, the positions of the claw portions 251 and 251 can be restricted rigidly.

Next, the positional relationship between the restricting inclined portions 192 and 192 of the engaging member movement restricting portion 191 and the claw portions 251 and 251 when the ink cartridge 211 is discharged will be described.
FIGS. 33A to 33E are enlarged cross-sectional side views of the main part showing the positional relationship between the claw portion and the restricting inclined portion of the engaging member movement restricting portion when the ink cartridge is discharged. Among these, (A) is a state when the ink cartridge is completely loaded (the same state as FIG. 16). FIG. 5B shows a state where the lever arm is slightly rotated toward the “reset position” side and the cartridge holding means is slightly moved in the ejection direction from FIG.

  FIG. 8C shows a state in which the lever arm is further slightly rotated to the “reset position” side from FIG. 7B and the cartridge holding means is further moved in the ejection direction (the same state as FIG. 19). . FIG. 4D shows a state in which the lever arm is further slightly rotated to the “reset position” side from FIG. 3C and the cartridge holding means is further moved in the ejection direction (the same state as FIG. 21). FIG. 8E shows a state where the lever arm is further slightly rotated to the “reset position” side from FIG. 4D and the cartridge holding means is further moved in the ejection direction (the same state as FIG. 24).

  The trajectories of the claw portions 251 and 251 when the ink cartridge 211 is normally inserted and loaded are configured to be different from the trajectories of the claw portions 251 and 251 when the ink cartridge 211 is discharged. When the ink cartridge 211 is normally loaded, the claw portions 251 and 251 swing upward to engage with the recesses 211a and 211a when the lever arm 363 is in the “reset position”. When the ink cartridge 211 is loaded by turning the lever arm 363 from the “reset position” to the “set position”, the claw portions 251 and 251 do not swing upward. In other words, when the ink cartridge 211 is normally inserted, the claw portions 251 and 251 are configured not to come into contact with the restricting inclined portions 192 and 192 of the engaging member movement restricting portion 191.

On the other hand, when the ink cartridge 211 is discharged, the claw portions 251 and 251 are moved while the lever arm 363 is rotated from the “set position” to the “reset position”, that is, while the cartridge holding unit 210 moves in the discharge direction. Further, it is configured to swing by cancel arms 260a and 260b. This will be described in more detail below.
As shown in FIG. 33A, the user rotates the lever arm 363 from the “set position” to the “reset position” side. Along with this, the claw portions 251 and 251 of the latch plate 250 as the cartridge holding means 210 move in the discharging direction so as to be pulled out below the engaging member movement restricting portion 191 without swinging.

  As shown in FIG. 33B, the claw portions 251 and 251 move in the discharge direction so as to be pulled out below the engaging member movement restricting portion 191. And the front-end | tips 251a and 251a of the nail | claw parts 251 and 251 remove | deviate from the position facing the engagement member movement control part 191. FIG. Thereafter, the inclined portions 253 and 253 of the latch plate 250 gradually ride on the tip contact portions 260c and 260c of the cancel arms 260a and 260b. Then, as the inclined portions 253 and 253 ride on the tip contact portions 260c and 260c, the claw portions 251 and 251 start to swing upward.

As shown in FIG. 33 (C), as the latch plate 250 moves in the ejection direction, the inclined portions 253 and 253 further ride on the tip contact portions 260c and 260c. Then, the claw portions 251 and 251 further swing upward.
As shown in FIG. 33D, when the inclined portions 253 and 253 completely ride on the tip contact portions 260c and 260c, the positions of the claw portions 251 and 251 reach the highest point.

As shown in FIG. 33 (E), when the inclined portions 253 and 253 get over the tip contact portions 260c and 260c, the claw portions 251 and 251 swing downward and return to their original height.
As described above, the inclined portion of the engaging member movement restricting portion 191 is configured not to contact the claw portions 251 and 251 of the latch plate 250 when the cartridge holding means 210 is moved in the discharging direction. . That is, the inclined portion of the engaging member movement restricting portion 191 has no possibility of hindering the discharging operation of the ink cartridge 211.

Next, a warning to the user when the ink cartridge 211 is erroneously loaded will be described.
34 (A) and 34 (B) are side sectional views showing the lid member and the lever arm. Among these, (A) is a state in which the lid member is closed, and (B) in the same figure is a state in which the lid member is opened halfway.
As shown in FIGS. 34A and 34B, the lid member 422 is provided so as to be able to open and close the insertion opening 271 by swinging around the lid shaft 423 as a fulcrum. The lid member 422 is provided with a lid projection 424, and the lid projection 424 is provided so as to be able to contact the sensor projection 427 of the open / close sensor 426 provided on the recording apparatus main body side. The opening / closing sensor 426 is provided so as to send a signal to the control unit 425 when detecting that the lid member 422 has closed the insertion opening 271.

  As shown in FIG. 34A, when the user normally inserts and loads the ink cartridge 211, the ink cartridge 211 is moved to the position where the second predetermined stroke S2 is pushed behind the insertion opening 271. Accordingly, the lid member 422 can be closed, and the lid protrusion 424 comes into contact with the sensor protrusion 427. The open / close sensor 426 detects the closure of the lid member 422 and sends the signal to the control unit 425.

  As shown in FIG. 34 (B), in the case of erroneous loading as described above, the loading direction of the claw portions 251 and 251 and the loading direction of the claw portions 251 and 251 by the restriction inclined portions 192 and 192 of the engagement member movement restriction portion 191 described above. The upward movement is restricted. Therefore, the slider part 240 cannot move by the second predetermined stroke S2. Accordingly, the lever arm 363 cannot rotate to the “set position”. At this time, the lever projection 363c extends to the lid shaft side and restricts the lid member 422 from closing. Therefore, when the ink cartridge 211 is erroneously loaded and the engaging member movement restricting portion 191 is acting, the lid protrusion 424 of the lid member 422 does not contact the sensor protrusion 427 of the open / close sensor 426.

  In such a case, the user can be informed of the abnormality by not completely closing the lid member 422. In addition, the control unit 425 may be configured to display a warning “open lid” on an operation panel (not shown) because the signal from the open / close sensor 426 is not sent. Moreover, you may comprise so that a warning sound may be emitted with a warning display. Furthermore, the control unit 425 can be configured not to perform operations such as the suction operation of the ink suction device 200 as the initial operation of the recording apparatus 100.

  The ink cartridge attaching / detaching apparatus 201 according to this embodiment includes a cartridge holding unit 210 that holds the ink cartridge 211 by inserting the ink cartridge 211 that is the first predetermined operation into the first predetermined stroke S1, and the rotation of the lever arm 363. The power transmission conversion mechanism 230 for converting the movement into the movement of the second predetermined stroke S2, which is the second predetermined operation for loading the ink cartridge 211 held in the cartridge holding means 210, and the cartridge holding means 210 is an ink cartridge. Erroneous loading preventing means 420 for restricting movement of the cartridge holding means 210 in the loading direction by the operation of the lever arm 363 when the 211 is not being held, and the cartridge holding means 210 can be engaged with the ink cartridge 211. As an engaging member The platen plate 250 has claw portions 251 and 251, and the erroneous loading prevention means 420 can come into contact with the claw portions 251 and 251 of the latch plate 250 on the base 387 or the frame member 190 as the base portion of the ink cartridge attaching / detaching device 201. And an engaging member movement restricting portion 191 as a restricting portion for restricting the movement.

  In addition, the ink cartridge attaching / detaching apparatus 201 of the present embodiment is configured such that when the lever arm 363 rotates from the set position taken when the ink cartridge 211 is completely loaded to the reset position taken before the ink cartridge 211 is loaded, Disengagement means for disengaging the claw portions 251 and 251 of the latch plate 250 and the recesses 211a and 211a of the ink cartridge 211 by displacing the claw portions 251 and 251 of the latch plate 250 in a direction crossing the loading direction. The cartridge lock releasing means 220 is provided.

Furthermore, in the ink cartridge attaching / detaching apparatus 201 of the present embodiment, when the user rotates the lever arm 363 in the rotating direction of the lever arm 363 when the ink cartridge 211 is loaded, the engaging member movement restricting portion. Reference numeral 191 denotes a configuration that regulates movement of the claw portions 251 and 251 of the latch plate 250 in the loading direction and displacement in a direction crossing the loading direction.
Further, the engaging member movement restricting portion 191 as the restricting portion of the present embodiment does not come into contact with the claw portions 251 and 251 of the latch plate 250 when the cartridge holding means 210 moves in the ejection direction, and the cartridge holding means 210. This is characterized in that it can be brought into contact with the claw portions 251 and 251 of the latch plate 250 only when it moves in the loading direction.

Furthermore, the engaging member movement restricting portion 191 as the restricting portion includes restricting inclined portions 192 and 192 as inclined portions inclined with respect to the surface facing the loading direction.
Further, in the ink cartridge attaching / detaching apparatus 201 according to the present embodiment, the tips 251 a and 251 a of the claw portions 251 and 251 of the latch plate 250 as the end portions of the engaging members swing so as to be movable toward and away from the ink cartridge 211. When the restricting inclined portions 192 and 192 of the engaging member movement restricting portion 191 restrict the movement of the claw portions 251 and 251 of the latch plate 250 in the loading direction, the restricting inclined portion 192 of the engaging member movement restricting portion 191. , 192 is characterized in that it is configured to intersect the trajectories of the tips 251a, 251a of the claw portions 251 and 251.

  Furthermore, the ink cartridge attaching / detaching apparatus 201 of the present embodiment includes a lid member 422 that opens and closes the insertion opening 271 into which the ink cartridge 211 is inserted, and the restriction inclined portions 192 and 192 of the engagement member movement restricting portion 191 are latched. The lever arm 363 is configured to abut against the lid member 422 when the claw portions 251 and 251 of the plate 250 are regulated.

  In addition, the recording apparatus 100 according to the present exemplary embodiment includes a feeding unit 144 that feeds a sheet that is an example of a recording medium, and a recording that performs recording by discharging ink onto the sheet fed from the feeding unit 144. 143 and an ink cartridge attaching / detaching device 201 for attaching / detaching the ink cartridge 211 to / from the recording apparatus main body.

[Other Embodiments]
FIG. 35 is an enlarged cross-sectional side view of a main part showing an engaging member movement restricting portion according to another embodiment.
As shown in FIG. 35, the engaging member movement restricting portion 491 according to another embodiment has saddle-shaped portions 492 and 492 that are L-shaped in side view. Since other members are the same as those in the above-described embodiment, the same reference numerals are used, and descriptions thereof are omitted.

When the lever arm 363 is rotated to the “set position” side for some reason in a state where the claw portions 251 and 251 at the time of erroneous loading are not completely engaged with the concave portions 211a and 211a, the hook portions 492 and 492 Can regulate the loading direction of the claw portions 251 and 251 and the upward displacement in FIG. At this time, the saddle-shaped portions 492 and 492 are configured to intersect with the trajectories of the claw portions 251 and 251, similarly to the above-described regulation inclined portions 192 and 192. Therefore, the hook-shaped portions 492 and 492 can restrict not only the loading direction of the claw portions 251 and 251 but also the upward displacement of the claw portions 251 and 251.
An engagement member movement restricting portion 491 as a restricting portion according to another embodiment has L-shaped hook-shaped portions 492 and 492 as viewed from the width direction with respect to the loading direction.

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say.

1 is an overall perspective view showing an outline of a recording apparatus according to the present invention. 1 is an overall plan view showing an outline of a recording apparatus according to the present invention. The whole perspective view which shows the outline of the attachment / detachment apparatus which concerns on this invention. The front perspective view which shows the attachment / detachment apparatus of a lever reset position before insertion. The top view which shows the attachment / detachment apparatus in the middle of insertion and a lever reset position. The side perspective view which shows the attachment / detachment apparatus in the middle of insertion and a lever reset position. The principal part sectional side view which shows the attachment / detachment apparatus in the middle of insertion and a lever reset position. The top view which shows the attachment / detachment apparatus of the lever reset position at the time of completion of insertion. The side perspective view which shows the attachment / detachment apparatus of a lever reset position at the time of completion of insertion. The principal part sectional side view which shows the attachment / detachment apparatus of the lever reset position at the time of insertion completion. FIG. 3 is a plan view showing an attachment / detachment device in the middle of loading an ink cartridge. The principal part sectional side view which shows the attachment or detachment apparatus in the middle of ink cartridge loading. The front perspective view which shows the attachment completion and the attachment / detachment apparatus of a lever set position. The top view which shows loading / unloading and the attachment / detachment apparatus of a lever set position. The side perspective view which is loading completion and shows the attachment / detachment apparatus of a lever set position. The principal part side sectional view which shows the attachment completion and the attachment / detachment apparatus of a lever set position. FIG. 3 is a plan view showing an attachment / detachment device in the middle of discharging an ink cartridge. The principal part sectional side view which shows the attachment / detachment apparatus in the middle of discharge of an ink cartridge. The principal part side sectional view (latch plate raise) which shows the attachment or detachment device in the middle of ink cartridge discharge. The side perspective view (forced extrusion) which shows the detachable device in the middle of discharge of an ink cartridge. The principal part sectional side view (forced extrusion) which shows the attachment / detachment apparatus in the middle of discharge of an ink cartridge. The top view which shows the attachment / detachment apparatus in the middle of discharge of an ink cartridge (spring biasing extrusion). The principal part side sectional view (spring urging extrusion) which shows the attachment or detachment device in the middle of ink cartridge discharge. The principal part sectional side view (latch plate lowering) which shows the attachment / detachment apparatus in the middle of discharge of an ink cartridge. (A) (B) is a top view which shows the shape of the cam part which concerns on this invention. (A) and (B) are an upper perspective view and a lower perspective view showing a cartridge forced moving means according to the present invention. FIG. 4 is a bottom view showing a cartridge forcible moving means during loading of an ink cartridge. FIG. 6 is a bottom view showing the cartridge forcibly moving means during the ink cartridge loading (pushing the pushing lever). FIG. 6 is a bottom view showing cartridge forced movement means when ink cartridge loading is completed. The bottom view (pushing lever rotation) which shows the cartridge forced movement means in the middle of discharge of an ink cartridge. FIG. 6 is a plan view showing erroneous loading prevention means when an ink cartridge is erroneously loaded. FIG. 4 is an enlarged side cross-sectional view showing a main part of an erroneous loading prevention unit when an ink cartridge is erroneously loaded. (A)-(E) are principal part expanded side sectional drawings which show the positional relationship of the nail | claw part at the time of ink cartridge discharge | emission, and an engagement member movement control part. (A) and (B) are sectional side views which show a cover member and a lever arm. The principal part expanded side sectional view which shows the engaging member movement control part which concerns on other embodiment. (A) (B) is a top view which shows the attachment or detachment apparatus of the ink cartridge in a prior art.

Explanation of symbols

100 recording device, 101 hopper, 102 carriage motor, 103 paper guide,
104 feeding motor, 105 platen, 106 recording head, 107 carriage,
110 Ink supply tube, 143 recording unit, 144 feeding unit,
190 frame member, 191 engagement member movement restricting portion, 192 restricting inclined portion,
200 ink suction device, 201 detaching device, 210 cartridge holding means,
211 Ink cartridge, 211a recess, 211b needle insertion opening,
212 Ink remaining amount information terminal, 213 cap part,
220 cartridge unlocking means, 230 power transmission conversion mechanism, 231 first gear,
232 2nd gear, 233 3rd gear, 234 4th gear, 235 cam part,
235a eccentric cam part, 235b concentric cam part, 235c camshaft,
240 Slider part, 241a guide slit, 241b guide slit,
241c slit, 242 slider protrusion, 243 degree contact part,
245 slider engaging portion, 246 first slider opening, 246a first surface,
246b second surface, 247 second slider opening, 248 C type opening,
249 hook, 250 latch plate, 251 claw, 251a tip,
252 shoulder portion, 253 inclined portion, 254 latch plate engaging portion,
255 latch plate slit, 256 latch plate spring,
260a Cancel arm, 260b Cancel arm, 260c Tip contact portion,
261 cancel arm spring, 262a axis, 262b axis, 262c axis,
271 Insertion opening, 363 lever arm, 363a knob,
363b arm body, 363c lever projection, 363d guide surface,
364 Lever support shaft, 366 Lever rotation restricting portion, 369 Lever rotation restricting protrusion,
385 discharge lever, 386 discharge lever shaft, 387 base, 387a base opening,
387b protrusion, 387c extrusion lever opening, 400 cartridge forced movement means,
401 Extrusion lever, 401a Contact portion, 401b Extrusion portion, 402 Extrusion lever spring,
403 Extrusion lever shaft, 411 Ink supply needle, 412 Connector part,
413 Connector spring, 414 contact device, 420 erroneous loading prevention means, 422 lid member,
423 lid shaft, 424 lid protrusion, 425 control unit, 426 open / close sensor,
427 sensor protrusion, 491 engagement member movement restricting portion (of another embodiment),
492 saddle-shaped part (of other embodiments), 500 conventional attachment / detachment device,
501 cartridge holding means, 502 erroneous insertion preventing means, 503 insertion opening,
505 Lever arm, 508 ink cartridge, 509 ink supply needle,
S1 first predetermined stroke, S2 second predetermined stroke,
S3 Third predetermined stroke

Claims (10)

Cartridge holding means for holding the ink cartridge by a first predetermined operation;
A power transmission conversion mechanism that converts the rotation of the lever arm into a second predetermined operation for loading the ink cartridge held in the cartridge holding means;
Erroneous loading preventing means for restricting movement of the cartridge holding means in the loading direction by operation of the lever arm when the cartridge holding means is not holding an ink cartridge,
The cartridge holding means has an engaging member that can be engaged with an ink cartridge,
The ink cartridge attaching / detaching device, wherein the erroneous loading preventing means has a restricting portion that is capable of contacting the engaging member and restricting the movement on a base portion of the ink cartridge attaching / detaching device. 2. The ink cartridge attaching / detaching apparatus according to claim 1, wherein the lever arm rotates from a set position taken when the ink cartridge is completely loaded to a reset position taken before the ink cartridge is loaded.
An ink cartridge attaching / detaching device comprising disengaging means for disengaging the engaging member and the ink cartridge by displacing the engaging member in a direction crossing the loading direction. The ink cartridge attaching / detaching device according to claim 1 or 2, wherein the lever arm is rotated in a rotating direction of the lever arm when the ink cartridge is loaded.
The restriction part is an ink cartridge attachment / detachment device that restricts movement of the engagement member in a loading direction and displacement in a direction crossing the loading direction. The ink cartridge attaching / detaching device according to any one of claims 1 to 3,
The regulation part is
When the cartridge holding means moves in the discharging direction, it does not contact the engaging member,
An ink cartridge attaching / detaching device configured to be in contact with the engaging member only when the cartridge holding means moves in the loading direction. The ink cartridge attachment / detachment device according to any one of claims 1 to 4,
The ink cartridge attaching / detaching device, wherein the restricting portion has an inclined portion inclined with respect to a surface facing the loading direction. The ink cartridge attachment / detachment device according to any one of claims 1 to 4,
The regulation part is an ink cartridge attaching / detaching device having an L-shaped bowl-shaped part as viewed from the width direction with respect to the loading direction. The ink cartridge attaching / detaching device according to claim 5 or 6,
The end of the engaging member swings so as to be movable toward and away from the ink cartridge,
When the restricting portion restricts movement of the engaging member in the loading direction,
The ink cartridge attaching / detaching device is configured such that the restricting portion intersects the track of the end portion. The ink cartridge attaching / detaching device according to any one of claims 1 to 7,
A lid member that opens and closes an insertion opening into which the ink cartridge is inserted;
The ink cartridge attaching / detaching device is configured such that the lever arm contacts the lid member when the restricting portion restricts the engaging member. A feeding unit for feeding a recording medium;
A recording unit that performs recording by discharging ink to a recording medium fed from the feeding unit;
An ink cartridge attaching / detaching device for attaching / detaching the ink cartridge to / from the recording device main body,
The recording apparatus according to claim 1, wherein the ink cartridge attaching / detaching device is an ink cartridge attaching / detaching device according to claim 1. A feeding unit that feeds the liquid ejection medium;
A liquid ejecting section that ejects liquid onto the fed liquid ejecting medium;
A liquid cartridge attaching / detaching device for attaching / detaching a liquid cartridge to / from a liquid ejecting device main body,
The liquid cartridge attaching / detaching device includes:
Cartridge holding means for holding the liquid cartridge by a first predetermined operation;
A power transmission conversion mechanism that converts the rotation of the lever arm into a second predetermined operation of loading the liquid cartridge held in the cartridge holding means;
Erroneous loading preventing means for restricting movement of the cartridge holding means in the loading direction by operation of the lever arm when the cartridge holding means is not holding a liquid cartridge,
The cartridge holding means has an engaging member that can engage with the liquid cartridge,
The liquid ejection apparatus, wherein the erroneous loading prevention means has a restricting portion that can contact the engaging member and restrict the movement on a base portion of the liquid cartridge attaching / detaching device.

Images