JP2013158983A - Recording device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a start of a movement of a cap in a stopped state by using a movement of a carriage while reducing resistance, and shorten time required for capping.SOLUTION: A recording device includes: a carriage 10 mounted with a recording head 19; a movable cap 40 abutting on the recording head to perform capping of a nozzle; and a power transmission mechanism 36. The power transmission mechanism is configured so that a carriage side engagement part 47 abuts on a cap side engagement part 44 of the cap located at a first position when the carriage moves to a home position, the movement of the carriage causes a movement of the cap side engagement part and the cap moves to a second position to perform the capping. One of the carriage side engagement part and the cap side engagement part is an inclined surface 48 and the other is a sliding projection 44. The inclined surface is configured so that when a gradient of an initial region of sliding with the sliding projection is defined as a first gradient and a gradient in a subsequent region is defined as a second gradient, the first gradient is lower than the second gradient.

Description

  The present invention relates to a recording apparatus such as an ink jet printer.

  In an ink jet printer as a recording apparatus, a nozzle having an opening for ejecting ink is provided on a nozzle forming surface of a recording head. When the carriage on which this recording head is mounted stops at the home position (one-side standby position) where the recording operation is not performed and stands by, the following problems arise if the nozzles are left open in contact with the atmosphere. That is, the solvent contained in the ink in the nozzles evaporates, thereby increasing the viscosity of the ink, causing a failure in ejecting ink from the nozzles, and possibly causing recording failure. Therefore, in order to prevent this, a cap is provided at the lower part of the home position, and the cap is raised when the carriage comes to the home position to perform capping of the recording head.

For example, in the ink jet printers described in Patent Documents 1 and 2, when the carriage moves out of the recording area and comes to the maintenance area and stops in the home position at the end, the cap is pushed in the moving direction by the carriage. Moved. Along with the pushing, the cap is lifted by the guide function of the left and right long through-grooves composed of the lower horizontal portion, the slope portion, and the upper horizontal portion, and comes into contact with the recording head, thereby capping the nozzle.
In addition, the ink jet printer described in Patent Document 3 has a structure in which a cap is moved in the front-rear direction of the apparatus main body by a driving device and is lifted to come into contact with the recording head to cap the nozzle.

JP 2010-201111 A JP 2010-241011 A Japanese Patent Laid-Open No. 9-300644

  However, the ink jet printers described in Patent Documents 1 and 2 are configured to transmit the movement force in the lateral direction of the carriage to the cap, and the cap moves up in the lateral direction while moving in the lateral direction. For this reason, there is a problem in that the carriage requires a maintenance area that is long in the horizontal direction, and the printer becomes large in the width direction.

  Further, in the ink jet printer described in Patent Document 3, the drive device for moving the cap is constituted by a rack and pinion mechanism or the like. Therefore, there is a problem that the smoothness and responsiveness of the operation are low in addition to the complicated structure.

  An object of the present invention is to provide a recording apparatus that can smoothly start movement of a cap in a stopped state with little resistance by using movement of a carriage and can further reduce the time required for capping. .

  In order to achieve the above object, a recording apparatus according to a first aspect of the present invention is equipped with a recording head that ejects liquid that forms dots on a recording medium from a plurality of nozzles, and reciprocates in a moving range in the main scanning direction. A carriage that is provided corresponding to a home position of the carriage and that caps the nozzle by contacting the recording head so as to surround the nozzle; a cap support that supports the cap movably; A power transmission mechanism for transmitting power by converting the movement of the carriage to the movement of the cap. The power transmission mechanism includes a carriage side engaging portion provided in the carriage and a cap side engagement provided in the cap. A cap-side engagement of the cap in the first position when the carriage moves to the home position The carriage-side engagement portion abuts, the movement of the carriage moves the cap-side engagement portion, and the cap moves to the second position to perform the capping, and the carriage-side engagement portion And one of the cap side engaging portions is an inclined surface and the other is a sliding convex portion, and when the carriage moves to the home position side, the sliding protrusion abuts against the inclined surface and slides. The cap is moved to the second position by the sliding to perform the capping, and the inclined surface has a first gradient as a gradient of an initial sliding region with the sliding protrusion, When the gradient of the subsequent region is the second gradient, the first gradient is configured to be lower than the second gradient.

This aspect includes a power transmission mechanism that converts the movement of the carriage into the movement of the cap to transmit power. In the power transmission mechanism, when the carriage moves to the home position, the carriage-side engagement portion comes into contact with the cap-side engagement portion of the cap at a first position that is not a capping position. When the carriage moves in the contact state, the cap side engaging portion moves, and the cap moves to the second position to perform the capping.
Further, one of the carriage side engaging portion and the cap side engaging portion is an inclined surface, and the other is a sliding convex portion, and the inclined surface is an initial region of sliding with the sliding protrusion. When the gradient is the first gradient and the gradient of the subsequent region is the second gradient, the first gradient is configured to be lower than the second gradient.

  Since the inclined surface moves the cap in the stopped state at the initial stage of sliding with the sliding protrusion, the movement resistance is large. On the other hand, once the cap starts to move, the movement resistance is reduced by the inertial force and can be moved with a small force.

  According to this aspect, the inclined surface is configured such that the gradient (first gradient) in the initial region of sliding with the sliding protrusion is lower than the gradient (second gradient) in the subsequent region. Yes. Accordingly, the cap in the stopped state can be slowly started to move with less resistance in the “low gradient” region, and the movement speed can be increased in the “high gradient” region after the movement starts. In other words, the movement of the stopped cap can be started with less resistance, and the time required for capping can be further shortened.

  In a recording apparatus according to a second aspect of the present invention, in the first aspect, the inclined surface has a third gradient as a gradient of a region corresponding to a timing at which the cap performs the capping with respect to the recording head. The third gradient is configured to have a lower gradient than the second gradient.

At the timing when the cap is in contact with the recording head and the capping is performed, the moving speed of the cap in the front-rear direction is preferably lower than the high speed.
According to this aspect, at the timing when the cap is in contact with the recording head and the capping is performed, the gradient is “lower gradient” than before, so that the cap moves to a low-speed slowly and contacts the recording head. Can do. Thereby, wear of the cap and the recording head can be reduced.

  A recording apparatus according to a third aspect of the present invention is the recording apparatus according to the first aspect or the second aspect, wherein the cap includes a wiper that wipes a nozzle forming surface of the recording head, and the inclined surface is formed by the wiper. When the gradient of the region corresponding to the timing of wiping the recording head is the fourth gradient, the fourth gradient is configured to be lower than the second gradient.

Even when the recording head is wiped by the wiper, the cap moves at a low speed rather than a high speed.
According to this aspect, when wiping is performed, since the gradient is “low gradient” in the same manner as before, wiping can be executed by changing to low-speed slow movement. Thereby, the wiping effect can be enhanced.

  The recording apparatus according to a fourth aspect of the present invention is the recording apparatus according to any one of the first aspect to the third aspect, wherein the cap is urged in a direction returning from the second position to the first position. A member is provided.

  According to this aspect, the cap is immediately released from the restrained state when the carriage at the capping position is moved to the dot formation region side. Since the cap is instantly retracted from the recording head by the urging force of the urging member, the responsiveness of the operation is good. As a result, the carriage can shift from the standby state to the recording execution state with good responsiveness.

  A recording apparatus according to a fifth aspect of the present invention is the recording apparatus according to any one of the first to fourth aspects, wherein the cap is movable in the front-rear direction of the recording apparatus main body, and the power transmission mechanism is The movement of the carriage is converted into the movement of the cap in the front-rear direction to transmit power.

  According to this aspect, since the cap performs capping by moving in the front-rear direction without moving in the left-right direction (lateral direction) of the recording apparatus, the size in the horizontal width direction of the recording apparatus can be kept small. Furthermore, since the capping is performed by moving the cap in the front-rear direction of the recording apparatus using the movement of the carriage, the structure is not complicated and the responsiveness of the operation can be improved.

  In the recording apparatus according to a sixth aspect of the present invention, in any one of the first to fifth aspects, the carriage side engaging portion and the cap side engaging portion maintain the capping state. A lock mechanism is provided.

  According to this aspect, since the lock mechanism that maintains the capping state is provided, a stable capping state can be realized.

The perspective view which looked at the whole which abbreviate | omitted some recording apparatuses of 1st Embodiment of this invention from the upper direction. The perspective view which looked at a part of recording device of Drawing 1 from the lower part. FIG. 3 is a schematic plan view illustrating a state before capping, according to a main part of a comparative example of the recording apparatus according to the first embodiment of the present invention. The schematic plan view which shows the state which concerns on the principal part of the comparative example and was performed. FIG. 3 is a schematic plan view illustrating a state before capping is performed according to the main part of the recording apparatus of the first embodiment of the present invention. The schematic plan view which shows the state before capping concerning the principal part of the recording device of 2nd Embodiment of this invention. The perspective view which looked at the recording apparatus of 3rd Embodiment of this invention from the upper surface side. The perspective view which expanded and illustrated a part of recording apparatus of FIG. The perspective view which expanded and illustrated the vicinity of the driving force transmission switching mechanism of the recording apparatus of FIG. 7 from the front side. FIG. 8 is a perspective view of a driving force transmission switching mechanism in a state where a rotational driving force of a conveyance motor of the recording apparatus of FIG. 7 is transmitted to a feeding device. FIG. 8 is a perspective view of a driving force transmission switching mechanism in a state where the rotational driving force of the conveyance motor of the recording apparatus of FIG. 7 is not transmitted to the feeding device. The perspective view which looked at the face cam member of the recording device of FIG. 7 from the follower member side. FIG. 8 is a perspective view of a driving force transmission switching mechanism of the recording apparatus in FIG. 7. FIG. 8 is a perspective view of a driving force transmission switching mechanism of the recording apparatus in FIG. 7. FIG. 8 is a diagram for explaining a moving range and a moving direction in which the carriage is moved in the main scanning direction in order to switch the transmission state of the driving force transmission switching mechanism of the recording apparatus in FIG. 7. The figure which looked at the face cam member of the recording device of FIG. 7 from the follower member side. The figure for demonstrating the conventional driving force transmission switching mechanism.

  Hereinafter, an embodiment of a recording apparatus according to the present invention, which is embodied in an ink jet printer, will be described with reference to the drawings.

[First Embodiment]
In the following description, when referring to “front-rear direction”, “up-down direction”, and “left-right direction”, unless otherwise specified, “front-rear direction”, “up-down direction”, and “left-right direction” with reference to FIG. "Direction".

  As shown in FIG. 1, an ink jet printer 50 as a recording apparatus includes a frame 3 and a platen 53 at a lower portion in the frame 3. The longitudinal direction of the platen 53 coincides with the left-right direction. On the platen 53, recording paper P, which is a recording medium, is fed from the rear side by a paper feeding mechanism (not shown) based on driving of a paper feeding motor 54 provided at the lower back of the frame 3.

  A guide shaft 15 is installed above the platen 53 in the frame 3 along the longitudinal direction of the platen 53. The carriage 10 is supported by the guide shaft 15 so as to be reciprocable and non-rotatable along the axial direction (left-right direction) of the guide shaft 15. That is, a support hole 10a is formed in the carriage 10 so as to penetrate in the left-right direction, and the carriage 10 can be reciprocated in the left-right direction by the guide shaft 15 by inserting the guide shaft 15 into the support hole 10a. It is supported by.

  A carriage reciprocating mechanism for reciprocating the carriage 10 in the left-right direction is provided on the rear wall surface of the frame 3. The carriage reciprocating mechanism includes a carriage motor 18 provided on the outer surface of the rear wall of the frame 3, a drive pulley 17a rotatably supported at positions corresponding to both ends of the guide shaft 15 on the inner surface of the rear wall of the frame 3. A driven pulley 17b and an endless timing belt 17 wound between a pair of pulleys 17a and 17b are provided. The output shaft of the carriage motor 18 is coupled to the drive pulley 17a, and the timing belt 17 is coupled to the rear surface portion of the carriage 10. The carriage motor 18 is driven by a control device (not shown) and controls the movement of the carriage 10 in the left-right direction via the timing belt 17.

  The carriage 10 is formed in a frame shape whose upper side is open, and a recording head 19 which is a fluid ejecting head is provided on a lower surface portion. In the carriage 10, an ink cartridge 16 for supplying inks of a plurality of colors (four colors of black, cyan, yellow, and magenta in the present embodiment) that are recording liquids to the recording head 19 is provided on the upper surface side recess. Is detachably accommodated.

  As shown in FIG. 2, the recording head 19 is provided with five nozzles 14 in one row, with the front-rear direction array with the nozzles 14 opened on the lower surface. That is, four rows of a black nozzle row 14A, a cyan nozzle row 14B, a yellow nozzle row 14C, and a magenta nozzle row 14D are juxtaposed in the left-right direction.

  As shown in FIGS. 1 and 2, a piezoelectric element (not shown) provided in the recording head 19 is driven while the carriage 10 reciprocates in the left-right direction in the dot formation area PA on the platen 53. Each ink is ejected onto the recording paper P fed onto the platen 53 to perform recording. A piezoelectric element (not shown) is provided for each nozzle in the recording head 19, and each piezoelectric element is driven by applying an independent signal corresponding to the image data assigned to each nozzle. Thereby, the ink supplied from the ink cartridge 16 to the recording head 19 is ejected from each nozzle 14 of each nozzle row 14A to 14D.

  In this case, black ink is ejected from each nozzle 14 constituting the nozzle row 14A, cyan ink is ejected from each nozzle 14 constituting the nozzle row 14B, and yellow ink is ejected from each nozzle 14 constituting the nozzle row 14C. Are ejected, and magenta ink is ejected from each nozzle 14 constituting the nozzle row 14D.

  A maintenance mechanism MA that performs maintenance such as cleaning of the recording head 19 at the time of non-recording is provided in a non-recording area that does not correspond to the platen 53 located at the right end in the frame 3. The maintenance mechanism MA includes a cap 40 as shown in FIGS. 3 to 5 (FIGS. 3 and 4 are comparative examples, and FIG. 5 is the present embodiment) which will be described later. The cap 40 contacts the nozzle forming surface of the recording head 19 when the carriage 10 stops at the home position.

  That is, the ink jet printer 50 according to the present embodiment is equipped with a recording head 19 that ejects ink that forms dots on the recording paper P from a plurality of nozzles 14, and has a moving range in the main scanning direction (left and right direction in FIG. 1). A carriage 10 that reciprocates, a cap 40 that is provided corresponding to the home position of the carriage 10 and that abuts the recording head 19 so as to surround the nozzle 14 and caps the nozzle 14, and the cap 40 is moved in the front-rear direction And a power transmission mechanism 36 that transmits the power by converting the movement of the carriage 10 into the movement of the cap 40 in the front-rear direction.

  The power transmission mechanism 36 includes a carriage side engaging portion 47 provided on the lower surface of the carriage 10 and a cap side engaging portion 44 provided on the upper surface of the cap 40. When the carriage 10 moves to the home position, the carriage-side engagement portion 47 contacts the cap-side engagement portion 44 of the cap 40 at the first position (the position in FIGS. 3 and 5). The cap side engaging portion 44 is moved in the front-rear direction (downward in FIGS. 3 and 5) by the movement of the carriage 10, and the cap 40 is moved to the second position (position in FIG. 4). This is a configuration for performing capping.

The cap 40 includes a housing 42 that holds the cap 40. The cap 40 is supported by the cap support 43 via the housing 42 so that the printer 50 can move in the front-rear direction. Although the cap support part 43 is comprised by two rails in this embodiment, it is not limited to this. For example, a guide groove disposed opposite to both side surfaces of the housing 42 and a pin that protrudes from the both side surfaces and fits into the guide groove may be used. The set of the cap 40 and the housing 42 is hereinafter referred to as a cap unit 41.
The cap 40 moves on the cap support portion 43, but at the timing of contact with the recording head 19 and capping, the cap 40 slightly rises and contacts the recording head to perform the capping.

3 and 4, the carriage-side engagement portion 47 is an inclined surface 48 having a constant gradient, and the cap-side engagement portion 44 is a columnar sliding convex portion 44 (cap-side engagement portion). Is used). When the carriage 10 moves to the home position side, the sliding protrusion 44 abuts against the inclined surface 48 and slides, and the sliding causes the cap 40 to move to the second position and perform the capping. Do.
As in a second embodiment described later, the carriage side engaging portion 47 may be a sliding protrusion, and the cap side engaging portion 44 may be an inclined surface 48.
Further, the sliding projection 44 may be constituted by a rotatable roller, a rolling wheel, or the like.

  In the present embodiment, a spring 45 that is an example of a biasing member that biases the cap 40 in a direction returning from the second position to the first position is provided. 3 and 5, reference numeral 46 denotes a fixing portion of the spring 45.

  According to the comparative example of FIGS. 3 and 4, the power transmission mechanism (44, 48) that transmits the power by converting the movement of the carriage 10 into the movement of the cap 40 in the front-rear direction is provided. When the carriage 40 moves to the home position, the power transmission mechanism moves the carriage side to the cap side engaging portion 44 of the cap 40 at a first position (position in FIG. 3) that is not a capping position. The engaging portion 47 comes into contact. When the carriage 40 moves in the contact state, the cap side engaging portion 44 moves in the front-rear direction (downward in FIG. 3), and the cap 40 moves to the second position (in FIG. 4). Perform the capping.

  Accordingly, the capping is performed by moving the cap 40 in the front-rear direction without moving in the horizontal direction of the printer 50, so that the size of the printer 50 in the horizontal width direction can be kept small. Furthermore, since the cap 40 is moved in the front-rear direction of the printer 50 by using the movement of the carriage 10, the structure is not complicated and the responsiveness of the operation can be improved.

  Further, according to the comparative example of FIG. 3 and FIG. 4, when the carriage 10 moves to the home position side, the sliding protrusion 44 provided on the cap side engaging portion 44 is provided on the carriage side engaging portion 47. The cap 40 slides in contact with the inclined surface 48, and the cap 40 moves to the second position (position in FIG. 4) by the sliding to perform the capping. Therefore, the capping can be performed by converting the movement of the carriage 10 into the movement of the cap 40 in the front-rear direction with a simple structure.

  Further, according to the comparative example of FIGS. 3 and 4, when the carriage 10 in the capping position is moved to the dot formation area PA, the cap 40 is immediately released from the restrained state. Since the cap 40 is retracted instantaneously from the recording head 19 by the urging force of the urging member 45, the responsiveness of the operation is good. As a result, the carriage 10 can shift from the standby state to the recording execution state with good responsiveness.

[Details of First Embodiment]
FIG. 5 is a schematic plan view showing a state before the capping is performed according to the main part of the recording apparatus of the first embodiment of the present invention. In the recording apparatus of the first embodiment, the structure of the inclined surface 48 is different from the structure of the comparative example of FIG. 3 and FIG. 4 described above, but the other structures are the same. Reference numerals are assigned and description is omitted.

In the present embodiment, the inclined surface 48 has the first gradient when the gradient of the initial region 61 sliding with the sliding protrusion 44 is the first gradient and the gradient of the subsequent region 62 is the second gradient. Is configured to have a lower gradient than the second gradient.
Further, when the slope of the region 63 corresponding to the timing at which the cap 40 performs the capping with respect to the recording head 19 is the third slope, the third slope is more than the second slope. It is configured with a low gradient. In the present embodiment, these regions 61 to 63 are formed by a series of curved surfaces.

  Furthermore, in the present embodiment, the carriage side engaging portion 47 and the cap side engaging portion 44 are provided with a lock mechanism that maintains the capping state. The locking mechanism is constituted by a flat surface in the region 64 at the end of the inclined surface 48. Since the sliding projection 44 is positioned on the flat surface (region 64), the locked state is stabilized, and a stable capping state can be realized.

The operation of the first embodiment will be described.
Since the inclined surface 48 moves the cap 40 in the stopped state at the initial stage of sliding with the sliding protrusion 44, the movement resistance is large. On the other hand, once the cap 40 starts to move, the movement resistance is reduced by the inertial force and can be moved with a small force.
According to the present embodiment, the inclined surface 48 has a lower gradient (first gradient) in the initial region 61 of sliding with the sliding protrusion 44 than a gradient (second gradient) in the subsequent region 62. It is configured. Therefore, the cap 40 in the stopped state can be slowly started to move with less resistance by the “low gradient” region 61. Further, the movement speed can be increased by the “high gradient” region 62 after the movement starts. That is, the movement start of the cap 40 in the stopped state can be realized with less resistance, and the time required for capping can be further shortened.

Further, at the timing when the cap 40 abuts the recording head 19 and performs the capping, the moving speed of the cap 40 in the front-rear direction is preferably lower than the high speed.
According to the present embodiment, at the timing (area 63) when the cap 40 abuts on the recording head 19 and performs the capping (area 63), the gradient is lower than that before (area 62). It is possible to contact the recording head 19 instead of slowly moving. Thereby, wear of the cap 40 and the recording head 19 can be reduced.

[Second Embodiment]
FIG. 6 is a schematic plan view showing a state before capping is performed according to the main part of the recording apparatus of the second embodiment of the present invention. In the recording apparatus of the second embodiment, the carriage side engaging portion 47 is a sliding protrusion and the cap side engaging portion 44 is an inclined surface 48 in contrast to the configuration of the first embodiment described above. Are in an arrangement relationship. Further, the point that the wiper 49 is provided is also different, but the other structures are the same, so the same parts are denoted by the same reference numerals and the description thereof is omitted.

  In the present embodiment, the cap 40 includes a wiper 49 that wipes the nozzle forming surface of the recording head 19. When the slope of the region 65 corresponding to the timing at which the wiper 49 wipes the recording head 19 is set to the fourth slope, the fourth slope is more than the second slope. It is configured with a low gradient.

When the recording head 19 is wiped by the wiper 49, the movement of the cap 40 is preferably performed at a lower speed than at a higher speed.
According to the present embodiment, when wiping is performed, since the gradient is “low gradient” in the same manner as before, wiping can be executed by slow movement at a low speed. Thereby, the wiping effect can be enhanced.
The process after the wiping operation by the wiper 49 is the same as that in the first embodiment.

[Third Embodiment]
A third embodiment of the present invention will be described with reference to FIGS.
[Schematic configuration of inkjet printer]
A schematic configuration of an inkjet printer 50 as a “recording apparatus” according to the present invention will be described. FIG. 7 is a perspective view of the inkjet printer 50 as viewed from the upper surface side.
An embodiment applied to an inkjet printer 50 as a “recording apparatus” provided with a driving force transmission switching mechanism capable of switching between a state where the driving force of a driving force source is transmitted to a driven mechanism and a state where it is not transmitted is shown.

  In the ink jet printer 50, a recording apparatus using a carriage for switching operation of a driving force transmission switching mechanism is known. For example, a printer is known in which a sheet feeding mechanism can be switched by pushing a lever or the like with a carriage to operate a clutch mechanism (for example, Patent Document 2). According to such a driving force transmission switching mechanism using a carriage, a dedicated motor for operating the driving force transmission switching mechanism is not required, so that a recording apparatus equipped with the driving force transmission switching mechanism can be realized at a lower cost. It becomes possible to do.

  FIG. 9A is a diagram showing a path along which the protrusion of the follower member that is pushed by the carriage slides on the surface on which the cam grooves 81, 83, and 84 of Patent Document 2 are formed. FIG. 9B shows the range and direction in which the carriage moves. When the protruding portion is at the position P10 locked by the locking portion 80, the driving force transmission switching mechanism is in a state of transmitting the driving force, and the position P11 and the position P12 that are on the first direction XR side from the position P10. Then, the driving force is not transmitted.

  When the protrusion at the position P12 in the cam groove 83 is moved to the position P10, as shown in the path D10, the protrusion moves from the position P12 to the position P11 locked by the locking part 82, and then the path D11. As shown in FIG. 5, the guide wall 85 in the first direction XR is crossed and guided in the cam groove 84 to move in the second direction XL. As shown in the path D12, the locking portion 80 in the cam groove 81 is moved. It moves to the position P10 latched by.

  However, when the driving force transmission switching mechanism disclosed in Patent Document 2 is used to switch from the non-transmitting state to the transmitting state by moving the protrusion from the position P12 to the position P10, FIG. 9B. After moving the carriage in the second direction XL indicated by the arrow M80, the carriage is moved in the first direction XR opposite to the second direction XL as indicated by the arrow M81, and then the arrow M82. Must be moved in the second direction XL. That is, when the driving force transmission switching mechanism disclosed in Patent Document 1 is used, there is a problem that it takes a long time to move from the state where the projecting portion is moved to the state where the driving force is not transmitted.

  Therefore, in the third embodiment, while solving this problem, as in the first and second embodiments, it is possible to reduce the size in the width direction of the cap lifting space for installing the cap and the cap lifting portion. The challenge is what can be done.

  As shown in FIG. 7, the exterior 30 of the inkjet printer 50 is a housing that configures the appearance of the inkjet printer 50. An operation unit 31 including a liquid crystal display unit and operation buttons is provided on the front side of the exterior 30. The paper feed cassette 32 is for loading recording paper as a “recording medium” inside the ink jet printer 50, and is disposed so as to be insertable / removable from the front side of the ink jet printer 50. In addition, a discharge port 33 through which recording paper after recording is discharged is provided on the front side of the exterior 30. A slide storage type discharge tray 34 is disposed in the vicinity of the discharge port 33.

  Inside the ink jet printer 50, a transport driving roller 51 and a plurality of transport driven rollers 52 are disposed as means for transporting the recording paper in the sub-scanning direction Y. The transport driving roller 51 is rotated by the rotational driving force of a transport motor (not shown) being transmitted. The transport driven roller 52 is pivotally supported so as to be driven to rotate, and is in contact with the outer peripheral surface of the transport drive roller 51 by an urging force such as a spring (not shown). The recording paper is transported in the sub-scanning direction Y by the rotation of the transport drive roller 51 while being sandwiched between the transport drive roller 51 and the transport driven roller 52.

  A platen 53 is disposed downstream of the conveyance driving roller 51 in the sub-scanning direction Y. The platen 53 slidably supports the recording paper conveyed in the sub-scanning direction Y by the rotation of the conveyance driving roller 51.

  Further, a carriage 10 is supported and arranged in the exterior 30 so as to be reciprocable in the main scanning direction X. At the bottom of the carriage 10, a recording head (not shown) is disposed at a position where the head surface faces the platen 53. The carriage 10 is connected to driving force transmission means such as an endless belt (not shown), and the driving force of the carriage motor (not shown) is transmitted to the driving force transmission means, thereby reciprocating in the main scanning direction X. (Configuration identical to the first embodiment).

  The position control of the carriage 10 can be executed by controlling the rotation of the carriage motor based on an output signal of a known linear encoder (not shown). A large number of ink ejection nozzles for forming dots on the recording surface of the recording paper are provided on the head surface of the recording head. Ink is supplied to the recording head from an ink cartridge (not shown) detachably disposed on the carriage 10 (the same configuration as in the first embodiment).

  The recording paper stored in the paper feed cassette 32 is fed by a feeding device (not shown) to a portion where the conveyance driving roller 51 and the conveyance driven roller 52 abut. The fed recording paper is transported in the sub-scanning direction Y on the platen 53 by the rotation of the transport driving roller 51, and the recording head (the first head mounted on the carriage 10 reciprocating in the main scanning direction X). The recording is executed by alternately repeating the operation of ejecting ink based on the recording data from the recording head of the embodiment and forming dots on the recording surface (same as in the first embodiment). Constitution).

The recording paper after the recording is executed is discharged from the discharge port 33 by the discharge device configured by a discharge roller (not shown) or the like (the same configuration as in the first embodiment).
Control of recording paper feeding and conveyance, position control of the carriage 10, ink ejection control from the recording head, and the like are executed by a control device including a microcomputer control circuit (not shown).

  The ink jet printer 50 as a control device receives data from an external computer or the like, creates recording data for forming dots on the recording paper, and sends the data to the recording head (same as in the first embodiment). Configuration).

  FIG. 8 is an enlarged perspective view showing a part of the ink jet printer 50. The carriage 10 is supported by the first support frame 11 and the second support frame 12 so as to reciprocate in the main scanning direction X. A driving force transmission switching mechanism 20 described below is provided on the opposite side of the carriage 10 across the first support frame 11.

[Configuration of drive force transmission switching mechanism]
The configuration of the driving force transmission switching mechanism 20 will be described.
FIG. 9 is an enlarged perspective view of the vicinity of the driving force transmission switching mechanism 20 of the inkjet printer 50 from the front side. The ink jet printer 50 includes the above-described transport motor as a “driving force source”. The transport motor is, for example, a DC motor, and is a common driving force source for the transport drive roller 51 and the feeding device.

  The rotational driving force of the conveying motor can always be transmitted to the conveying drive roller 51, and on the other hand, is transmitted to the feeding device via the driving force transmission switching mechanism 20. The driving force transmission switching mechanism 20 can switch between a state in which the rotational driving force of the transport motor is transmitted to a feeding device as a “driven mechanism” and a state in which it is not transmitted. Operate.

  FIG. 10 is a perspective view of the driving force transmission switching mechanism 20 in a state where the rotational driving force of the conveying motor is transmitted to the feeding device. The driving force transmission switching mechanism 20 has a cam follower mechanism including a follower member 21 and a face cam member 23. The driving force transmission switching mechanism 20 includes a cam support member 22 that supports the face cam member 23, a coil spring 24, a gear train including gears 25, 26, and 27, and a coil spring 28.

  The follower member 21 is supported by the long groove 111 of the first support frame 11 so as to be movable in the main scanning direction X. One end side of the coil spring 24 as an urging means is hooked on the spring hooking portion 212 of the follower member 21, and the other end side is hooked on the first support frame 11. Accordingly, the follower member 21 is biased in the second direction XL in the main scanning direction X. The operation unit 211 of the follower member 21 is engaged with the carriage 10 when the carriage 10 pushes the follower member 21 in the first direction XR in the main scanning direction X (the direction opposite to the second direction XL). The protrusion 213 of the follower member 21 is engaged with a cam groove (described later) of the face cam member 23.

  The cam support member 22 in FIG. 9 is supported by the first support frame 11. The face cam member 23 of FIGS. 10 and 8 is disposed in a state of being supported by the cam support member 22 so as to be swingable in the rotation direction indicated by the symbol C around the axis 29 intersecting the main scanning direction X. Has been. The coil spring 28 is mounted on the shaft 29 of the face cam member 23 and applies a biasing force in the sub-scanning direction Y to the face cam member 23 to bias the face cam member 23 to the follower member 21.

  The gear train will be described. The intermediate gear 25 is rotatably supported by the support portion 214 of the follower member 21. The original gear 26 is a gear for transmitting a rotational driving force to the feeding device. The slave gear 27 is a gear to which the rotational driving force of the transport motor is constantly transmitted. In a state where the intermediate gear 25 meshes between the original gear 26 and the slave gear 27, the rotational driving force of the transport motor is transmitted to the feeding device.

  FIG. 7 is a perspective view of the driving force transmission switching mechanism 20 in a state where the rotational driving force of the conveying motor is not transmitted to the feeding device. When the follower member 21 in the state of FIG. 10 is pushed by the carriage 10 that moves in the first direction XR, the intermediate gear 25 moves in the first direction XR, and the intermediate gear 25 in FIG. The original gear 26 and the slave gear 27 are not engaged. In this state, the rotational driving force of the transport motor is not transmitted to the feeding device.

[Structure of face cam member]
The structure of the face cam member 23 will be described.
8A and 8B are perspective views of the face cam member 23 as viewed from the follower member 21 side. FIG. 8A is a perspective view seen from the coil spring 24 side, and FIG. 8B is a perspective view seen from the intermediate gear 25 side.

  The face cam member 23 includes a cam groove 231 and a cam groove 232 as first cam grooves, a second cam groove 234, a third cam groove 236, a cam groove 237 and a cam groove 239 as fourth cam grooves. . The projecting portion 213 of the follower member 21 is slidably engaged with the first cam grooves 231, 232, the second cam groove 234, the third cam groove 236, and the fourth cam grooves 237, 239.

  A first locking portion 230 that restricts the movement of the projecting portion 213 of the follower member 21 in the second direction XL is formed on the first cam groove 231 on the second direction XL side.

  The first cam groove 232 is continuously formed in the first direction XR of the first cam groove 231 and is an inclined surface with respect to the first cam groove 231. Between the 1st cam groove 232 and the 2nd cam groove 234, the 2nd latching | locking part 233 which controls the movement to the 2nd direction XL of the protrusion part 213 is formed.

  Between the second cam groove 234 and the fourth cam groove 237, a guide wall 235 that restricts (blocks) the protrusion 213 from entering the second cam groove 234 from the fourth cam groove 237 is formed. The third cam groove 236 is formed continuously in the first direction XR of the fourth cam groove 237.

  The fourth cam groove 239 is located below the first cam groove 231 and the first cam groove 232 in the drawing, and is formed continuously in the second direction XL of the fourth cam groove 237. A step 240 is formed between the fourth cam groove 239 and the first cam groove 231 such that the fourth cam groove 239 protrudes toward the follower member 21 (front side in the drawing). A wall portion 238 is formed between the second locking portion 233 and the fourth cam groove 237 so as to protrude toward the follower member 21.

[Operation of driving force transmission switching mechanism]
The operation of the driving force transmission switching mechanism 20 will be described.
FIG. 9A shows the driving force transmission switching when the protruding portion 213 of the follower member 21 is locked by the first locking portion 230 in the face cam member 23 of FIGS. 8A and 8B. 3 is a perspective view of a mechanism 20. FIG. When the projecting portion 213 is locked by the first locking portion 230, the gear train is in a state where the intermediate gear 25 is engaged with the intermediate gear 25 between the original gear 26 and the slave gear 27. Is transmitted to the feeding device.

  FIG. 9B shows driving force transmission switching when the protruding portion 213 of the follower member 21 is locked by the second locking portion 233 of the face cam member 23 of FIGS. 8A and 8B. 3 is a perspective view of a mechanism 20. FIG. When the protruding portion 213 is locked by the second locking portion 233, the gear train is in a state where the intermediate gear 25 is not meshed between the original gear 26 and the slave gear 27, and the conveying motor. Is not transmitted to the feeding device.

  FIG. 10A shows the position of the fourth cam groove 237 or the fourth cam groove 239 in which the protrusion 213 of the follower member 21 is the fourth cam groove 237 in the face cam member 23 of FIGS. 8A and 8B. It is a perspective view of the driving force transmission switching mechanism 20 when it is in the position. When the protruding portion 213 is at the position of the fourth cam groove 237 or the fourth cam groove 239, the gear train is in a state where the intermediate gear 25 is not meshed between the original gear 26 and the slave gear 27, and is used for conveyance. The rotational driving force of the motor is not transmitted to the feeding device.

  FIG. 10B shows the driving force when the protrusion 213 of the follower member 21 is at the position of the third cam groove 236 which is the third cam groove 236 in the face cam member 23 of FIGS. 8A and 8B. 3 is a perspective view of a transmission switching mechanism 20. FIG. When the protrusion 213 is at the position of the third cam groove 236, the gear train is in a state where the intermediate gear 25 is not meshed between the original gear 26 and the slave gear 27, and the rotational driving force of the conveying motor is Not transmitted to feeding device.

  FIG. 7 is a diagram for explaining a moving range R and a moving direction in which the carriage 10 is moved in the main scanning direction X along the longitudinal direction of the platen 53 in order to switch the transmission state of the driving force transmission switching mechanism 20. The movement range R in the main scanning direction X of the carriage 10 includes a dot formation region R1 for forming dots by ejecting ink from the recording head, a recording head maintenance region R2 for performing a cleaning operation and a wiping operation of the recording head, and a driving force. A transmission state switching region R3 for switching the transmission state of the transmission switching mechanism 20 and a carriage standby region R4 are provided.

  The carriage standby area R4 is an area in which the control device of the inkjet printer 50 waits until it receives data from an external device such as a computer. In the carriage standby region R4, the carriage 10 waits with the nozzle formation surface capped so that the nozzles of the recording head do not dry. Although not shown, also in this embodiment, when the carriage 10 is stationary in the carriage standby region R4, the cap is lifted to contact the recording head so as to individually surround each nozzle to form a plurality of cap internal spaces. It is provided. However, since this configuration is the same as that of the first or second embodiment, description thereof is omitted here.

  Within the movement range R of the carriage 10, in the main scanning direction X, the dot formation area R1, the recording head maintenance area R2, the transmission state switching area R3, and the carriage standby area R4 are positioned in this order, and each area does not interfere with other areas. In position.

  Arrows J11 and J12 indicate the moving range and moving direction of the carriage 10 when the driving force transmission switching mechanism 20 is switched from the ON state in which the rotational driving force is transmitted to the OFF state in which the rotational driving force is not transmitted.

  8A to 8C are views of the face cam member 23 viewed from the follower member 21 side. When the carriage 10 is moved in the main scanning direction X, the protrusion 213 of the follower member 21 is the face cam member. FIG.

  FIG. 8A is a diagram illustrating a movement range and a movement direction of the protrusion 213 in the face cam member 23 when the ON state is switched to the OFF state. When the protruding portion 213 is at the position P1 locked by the first locking portion 230, the transmission state of the driving force transmission switching mechanism 20 is in the ON state (see FIG. 9A).

  As indicated by an arrow J11 in FIG. 7, the carriage 10 is moved in the first direction XR from the dot formation region R1 side, and the carriage 10 moves until the protruding portion 213 reaches an arbitrary position P3 of the second cam groove 234. The follower member 21 is pushed. Then, as indicated by an arrow J12, the carriage 10 is moved in the second direction XL.

  As a result, the projecting portion 213 in FIG. 8A moves beyond the second locking portion 233 to an arbitrary position P3 in the second cam groove 234 as indicated by an arrow K11, and then as indicated by an arrow K12. In addition, the protrusion 213 moves in the second direction XL by the spring force of the coil spring 24 and stops at the position P <b> 2 locked to the second locking portion 233. When the protruding portion 213 is at the position P2 locked by the second locking portion 233, the transmission state of the driving force transmission switching mechanism 20 is in the OFF state (see FIG. 9B).

  For example, when recording on recording paper is being performed, if the transmission state of the driving force transmission switching mechanism 20 is ON, the feeding device operates when the transport motor rotates. In this case, another recording sheet is fed and double feeding of recording sheets occurs. Therefore, before the recording on the recording paper is performed, the double feeding of the recording paper can be avoided by changing the transmission state of the driving force transmission switching mechanism 20 from the ON state to the OFF state.

  FIG. 8B is a diagram showing the moving range and moving direction of the protruding portion 213 in the face cam member 23 when switching from the OFF state to the ON state. As described above, when the protruding portion 213 is at the position P2 where it is locked by the second locking portion 233, the transmission state of the driving force transmission switching mechanism 20 is OFF.

  As indicated by an arrow J21 in FIG. 7, the carriage 10 is moved in the first direction XR from the dot formation region R1 side, and the protruding portion 213 passes the guide wall 235 and is at an arbitrary position P4 of the fourth cam grooves 237 and 239. The follower member 21 is pushed by the carriage 10 until reaching. Then, as indicated by the arrow J22, the carriage 10 is moved in the second direction XL.

  As a result, the protrusion 213 in FIG. 8B moves over the guide wall 235 to an arbitrary position P4 in the fourth cam grooves 237 and 239 as shown by an arrow K21 (see FIG. 10A). . Then, as shown by an arrow K22, the protrusion 213 moves in the second direction XL by the spring force of the coil spring 24, and is guided by the fourth cam grooves 237 and 239 to move to the position of the first cam groove 231. And it stops at the position P1 locked to the first locking portion 230. As described above, when the protruding portion 213 is at the position P <b> 1 locked by the first locking portion 230, the transmission state of the driving force transmission switching mechanism 20 is turned on.

  For example, when feeding the recording paper, the transmission state of the driving force transmission switching mechanism 20 is switched from the OFF state to the ON state.

  FIG. 8C is a diagram showing a path along which the protruding portion 213 slides on the face cam member 23 when the carriage 10 moves from the carriage standby region R4 where the carriage 10 waits toward the dot formation region R1. When the carriage 10 is in the carriage standby region R4 where the carriage 10 is on standby, the protrusion 213 is at a position P5 in the third cam groove 236 (see FIG. 10B).

  As indicated by an arrow J31 in FIG. 7, the carriage 10 is moved from the carriage standby region R4 toward the dot formation region R1. Then, as shown by an arrow K31, the protrusion 213 in FIG. 8C moves in the second direction XL from the position P5 and is guided by the fourth cam grooves 237 and 239, so that the first cam groove 231 It moves to a position and stops at a position P1 where the protruding portion 213 is locked by the first locking portion 230.

  Thus, if the carriage 10 is moved in the second direction XL without reciprocating in the main scanning direction X, the protrusion 213 at the position P5 can be moved to the position P1, so that the driving force is transmitted. The time required for switching the transmission state of the switching mechanism 20 from the OFF state to the ON state can be shortened.

  As described above, the inkjet printer 50 serving as the “recording apparatus” described in the present embodiment includes the carriage 10 that includes the recording head that forms dots on the recording paper and is supported so as to reciprocate in the moving range in the main scanning direction X. A follower member 21 that has a protrusion 213 and is movable in the main scanning direction X, and is pushed by the carriage 10 when the carriage 10 moves in the first direction XR in the main scanning direction X; A gear train 25, 26, 27 that switches between a state where the driving force of the driving source is transmitted to the driven mechanism and a state where it is not transmitted depending on the position in the main scanning direction X, and the protruding portion 213 of the follower member 21. The first cam grooves 231, 232, the second cam groove 234, the third cam groove 236, the first cam grooves 231, 232 and the first cam grooves 231, 232 The face cam member 23 formed with the fourth cam grooves 237 and 239 connecting the cam groove 236 and the follower member 21 are urged in the second direction XL opposite to the first direction XR in the main scanning direction X. And a coil spring 24 as an urging member.

  The moving range R of the carriage 10 includes a gear train 25, 26 depending on the position of the dot forming area R1 for forming dots on the recording paper, the recording head maintenance area R2 for maintaining the recording head, and the follower member 21 in the main scanning direction X. 27, the transmission state switching region R3 for switching the transmission state is provided, the dot formation region R1 is arranged on the second direction XL side from the transmission state switching region R3, and the protruding portion 213 is formed in the first cam grooves 231 and 232. When positioned, the gear trains 25, 26, and 27 are in a transmitting state, and when the protrusion 213 is positioned in the second cam groove 234, the gear trains 25, 26, and 27 are in a non-transmitting state. The protrusion 213 located in the cam groove 236 is guided by the fourth cam groove 237 as the carriage 10 moves in the second direction XL, and the positions of the first cam grooves 231, 232 are as follows. To move to.

  According to this configuration, if the carriage 10 is moved in the second direction XL and the protrusion 213 located in the third cam groove 236 is moved to the positions of the first cam grooves 231, 232, the gear trains 25, 26 are achieved. , 27 can be switched from a state where the driving force is not transmitted to the driven mechanism to a state where the driving force is transmitted to the driven mechanism. Accordingly, it is possible to shorten the time until switching from the state where the driving force is not transmitted to the state where the driving force is transmitted.

  In addition, a carriage standby region R4 in which the carriage 10 waits is provided on the first direction XR side of the transmission state switching region R3.

  According to this configuration, when the carriage 10 is in the standby region R4, the carriage 10 is moved in the second direction XL, and the protruding portion 213 located in the third cam groove 236 is positioned in the first cam grooves 231 and 232. If it is moved to, the time required for switching from the state where the driving force is not transmitted to the state where it is transmitted can be shortened.

  Further, on the second direction XL side of the first cam grooves 231 and 232, a first locking portion 230 that restricts the protrusion 213 from moving in the second direction XL is formed, and the first cam groove 231 is formed. , 232 and the second cam groove 234 are formed with a second locking portion 233 for restricting the protrusion 213 from moving in the second direction XL, and the second cam groove 234 and the third cam groove 234. A guide wall 235 for guiding the protrusion 213 to move in the second direction XL is formed between the guide wall 236 and the guide wall 236.

  According to this configuration, the intermediate gear 25 transmits the driving force to the driven mechanism at a position where the protrusion 213 is restricted from moving in the second direction XL by the first locking portion 230. Can do. Further, the intermediate gear 25 can be in a state in which the driving force is not transmitted to the driven mechanism at a position where the protrusion 213 is restricted from moving in the second direction XL by the second locking portion 233. Further, the projecting portion 213 is guided from the third cam groove 236 to the first cam grooves 231 and 232 by the guide wall 235, so that the intermediate gear 25 switches from a state where the driving force is transmitted to the driven mechanism to a state where it is not transmitted. Can do.

  In the present application, the recording apparatus includes types such as an ink jet printer, a line printer, a copying machine, and a facsimile.

[Other Embodiments]
The recording apparatus according to the present invention basically has the above-described configuration, but it is of course possible to change or omit the partial configuration within the scope not departing from the gist of the present invention. It is.

  For example, in each of the above embodiments, the power transmission mechanism 36 converts the movement of the carriage 10 in the main scanning direction (left and right direction of the recording apparatus main body) into the movement of the cap in the front and rear direction (front and rear direction of the recording apparatus main body). Although an example of transmission is shown, the direction in which the cap moves is not the front-rear direction, but may be the main scanning direction (left-right direction), or may be the vertical direction.

DESCRIPTION OF SYMBOLS 10 ... Carriage, 10a ... Support hole, 11 ... 1st support frame, 111 ... Long groove,
12 ... 2nd support frame, 14 ... Nozzle, 14A-14D ... Nozzle row | line | column,
15 ... guide shaft, 16 ... ink cartridge, 17 ... timing belt,
17a ... Driving pulley, 17b ... Follower pulley, 18 ... Carriage motor,
19 ... recording head, 20 ... drive force transmission switching mechanism, 21 ... follower member,
211 ... Operation part 212 ... Hanging part 213 ... Projection part 214 ... Support part
22 ... Cam support member, 23 ... Face cam member, 230 ... First locking portion,
231, 232 ... 1st cam groove, 233 ... 2nd latching | locking part, 234 ... 2nd cam groove,
235 ... guide wall, 236 ... third cam groove, 237,239 ... fourth cam groove, 238 ... wall portion,
240 ... step, 24 ... coil spring, 25, 26, 27 ... gear train, 28 ... coil spring,
29 ... Shaft, 30 ... Exterior (housing), 31 ... Operation section, 32 ... Paper feed cassette, 33 ... Discharge port,
34 ... discharge tray, 36 ... power transmission mechanism, 40 ... cap, 41 ... cap unit,
42 ... Housing, 43 ... Cap support part (rail), 44 ... Cap side engagement part,
45 ... biasing member (spring), 46 ... fixing part, 47 ... cap side engaging part, 48 ... inclined surface,
49 ... Wiper, 50 ... Inkjet printer, 51 ... Conveyance drive roller,
52 ... Follower roller for conveyance, 53 ... Platen, 54 ... Paper feed motor,
80: locking portion, 81: cam groove, 82: locking portion, 83: cam groove, 84: cam groove,
85: guide wall, D10: route, D11: route, D12: route,
P ... recording paper (recording medium), P10 ... position, P11 ... position, P12 ... position,
PA ... dot formation region, R ... moving range, R1 ... dot formation region,
R2: Print head maintenance area, R3: Transmission state switching area, R4: Carriage standby area,
X: main scanning direction, XR: first direction, XL: second direction, Y: sub-scanning direction

Claims (6)

A carriage mounted with a recording head for ejecting liquid that forms dots on a recording medium from a plurality of nozzles, and reciprocating in a moving range in the main scanning direction;
A cap that is provided corresponding to a home position of the carriage and that abuts the recording head so as to surround the nozzle and caps the nozzle;
A cap support for movably supporting the cap;
A power transmission mechanism for transmitting power by converting movement of the carriage into movement of the cap;
The power transmission mechanism is
A carriage side engaging portion provided on the carriage;
A cap side engagement portion provided on the cap,
When the carriage moves to the home position, the carriage-side engagement portion comes into contact with the cap-side engagement portion of the cap at the first position, and the cap-side engagement portion is moved by the movement of the carriage. The cap is moved to the second position to perform the capping,
One of the carriage-side engaging portion and the cap-side engaging portion is an inclined surface, and the other is a sliding convex portion. When the carriage moves to the home position side, the sliding protrusion is the inclined surface. The cap is moved to the second position by the sliding to perform the capping,
In the inclined surface, the first gradient is lower than the second gradient when the gradient of the initial region of sliding with the sliding protrusion is the first gradient and the gradient of the subsequent region is the second gradient. It is comprised in the recording apparatus characterized by the above-mentioned. The recording apparatus according to claim 1,
The inclined surface has a third gradient that is lower than the second gradient when the gradient of the region corresponding to the timing at which the cap performs the capping with respect to the recording head is a third gradient. A recording apparatus. The recording apparatus according to claim 1 or 2,
The cap includes a wiper for wiping the nozzle forming surface of the recording head,
The inclined surface has a fourth gradient that is lower than the second gradient when the gradient of the region corresponding to the timing at which the wiper performs the wiping with respect to the recording head is the fourth gradient. A recording apparatus. The recording apparatus according to any one of claims 1 to 3,
A recording apparatus comprising: a biasing member that biases the cap in a direction returning from the second position to the first position. In the recording device according to any one of claims 1 to 4,
The cap is movable in the front-rear direction of the recording apparatus main body,
The recording apparatus according to claim 1, wherein the power transmission mechanism transmits power by converting movement of the carriage into movement of the cap in the front-rear direction. The recording apparatus according to any one of claims 1 to 5,
The recording apparatus according to claim 1, wherein the carriage side engaging portion and the cap side engaging portion include a lock mechanism that maintains the capping state.

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