JP5515640B2 - Recording device - Google Patents

Description

  The present invention relates to a recording apparatus including a stacker that stacks discharged recording media.

There is a printer as one of the recording devices, and some printers include a stacker that stacks recording media on which recording is performed.
Here, FIG. 10 is a perspective view of an external configuration in a state where the stacker is contracted. FIG. 11 is a perspective view of an external configuration in a state where the stacker is extended. Reference numeral 200 denotes a stacker. As shown in FIG. 10, the stacker 200 is shrunk when not in use and can be stored compactly in order to save the space of the printer. As shown, it has a multi-stage configuration that can secure a sufficient space for stacking the recording media by stretching.
Here, the stacker constituent members constituting the stacker 200 are sequentially stacked from the member arranged on the base side of the printer and the stacker constituent members arranged apart from the base of the printer in a state where the stacker 200 is extended. The component members 201, 202, 203, and 204 are described.

FIG. 12 is a cross-sectional view of two stacker components in a conventional stacker 200. It is a cross-sectional view as seen from the discharge direction of the recording medium. Here, as an example, attention is paid to the stacker constituent member 201 and the stacker constituent member 202. Hereinafter, the stacker constituent member 201 is referred to as an upstream stacker constituent member 201, and the stacker constituent member 202 is referred to as a downstream stacker constituent member 202.
For example, as shown in Patent Document 1, the multi-stage stacker 200 is configured such that one member constituting the stacker 200 can advance and retreat with respect to the other member. Specifically, as shown in FIG. 12, the upstream stacker constituting member 201 is provided with guide rails 211 at both ends in a direction orthogonal to the recording medium discharge direction. The downstream stacker constituent member 202 is provided with a sliding portion 212 that can slide the guide rail 211, and the sliding portion 212 slides on the guide rail 211, so that the downstream stacker constituent member 202 is The upstream stacker constituting member 201 can be advanced and retracted. The downstream stacker constituent member 202 and the stacker constituent member 203, the stacker constituent member 203, and the stacker constituent member 204 have the same configuration.

JP 2003-95512 A

  When attention is paid again to the upstream stacker constituting member 201 and the downstream stacker constituting member 202, the upstream stacker constituting member 201 and the downstream stacker constituting member 202 are guided rails at both ends in the direction orthogonal to the recording medium discharge direction. Position regulation in the vertical direction, that is, in the direction orthogonal to the surface on which the recording medium of the stacker 200 is stacked is performed via 211 and the sliding portion 212. Hereinafter, the vertical direction is assumed to be a direction perpendicular to the surface on which the recording media of the stacker 200 are stacked.

  However, in the conventional multi-stage stacker 200, the vertical position control is not performed in the central portion of the upstream stacker constituent member 201 and the downstream stacker constituent member 202 in the direction orthogonal to the discharge direction of the recording medium. Therefore, when the recording medium is stacked or the like, a load is applied to the downstream stacker constituent member 202, so that the central portion of the member in the direction orthogonal to the recording medium discharge direction is downward as shown in FIG. There is a risk of bending. A space is generated between the upstream stacker constituent member 201 and the upstream stacker constituent member 201 because the central portion of the downstream stacker constituent member 202 is bent downward. When the stacker 200 extends in this space, the end of the downstream stacker component 202 on the side where the upstream stacker component 201 is disposed moves upward, so that the downstream stacker component 202 is Inclined in the recording medium ejection direction. Therefore, the stacker 200 is greatly bent in the recording medium discharge direction. When such a situation occurs, the stacked recording media may fall in the recording medium ejection direction.

  Accordingly, a recording apparatus including a multi-stage stacker having a structure for preventing the recording medium from being bent in the discharge direction is provided.

  A first aspect of a recording apparatus for solving the above-described problem includes a stacker that stacks discharged recording media that can be expanded and contracted in a first direction in which the recording medium is discharged. A first member constituting a surface on which the recording medium is stacked when stretched in the first direction, and the recording medium being advanced and retracted in the first direction with respect to the first member; A second member that constitutes a surface to be moved, wherein the first member has a vertical position relative to the second member at a central portion in a second direction orthogonal to the first direction. It is regulated.

  According to the first aspect, since the multi-stage stacker is extended, the vertical position of the members constituting the stacker is also regulated in the central portion in the direction orthogonal to the recording medium discharge direction. Even when a load is applied, since the central portion of the member constituting the stacker does not bend downward, it is possible to suitably prevent the stacker from being bent in the discharge direction of the recording medium.

  According to a second aspect of the recording apparatus for solving the above-described problem, in the first aspect, the first member is positioned in the vertical direction over the second direction with respect to the second member. It is regulated.

  According to the second aspect, in a state where the multi-stage stacker is extended, the position between the members constituting the multi-stage stacker is the vertical position across the direction perpendicular to the discharge direction of the recording medium including the central portion. Therefore, the members constituting the stacker are less likely to bend in the downward direction. Therefore, the stacker can be suitably prevented from being bent in the recording medium discharge direction.

  According to a third aspect of the recording apparatus for solving the above-described problem, the recording apparatus includes a stacker that stacks the discharged recording medium that can be extended and contracted in the first direction in which the recording medium is discharged. A first member constituting a surface on which the recording medium is stacked when stretched in the first direction, and the recording medium being advanced and retracted in the first direction with respect to the first member; A first member on a side where the second member of the first member is disposed in a state where the stacker is extended in the first direction. The portion has a U-shape when viewed from the second direction, and the second tip portion of the second member on the side where the first member is disposed is viewed from the second direction. And the stacker is in the first direction. In extended state, said first tip and said second tip portion, characterized in that the fitting.

  According to the third aspect, in a state where the multi-stage stacker is extended, the members constituting the stacker are vertically moved across the direction perpendicular to the discharge direction of the recording medium including the central portion, with a simple structure. The position can be restricted. Accordingly, since the members constituting the stacker are less likely to bend in the downward direction, it is possible to suitably prevent the stacker from being bent in the recording medium discharge direction.

  According to a fourth aspect of the recording apparatus for solving the above-described problem, the recording apparatus includes a stacker that stacks the ejected recording medium that can be extended and contracted in the first direction in which the recording medium is ejected. A first member constituting a surface on which the recording medium is stacked when stretched in the first direction, and the recording medium being advanced and retracted in the first direction with respect to the first member; A second member that constitutes a surface to be moved, wherein the first member has an elongated hole extending in the first direction at a central portion in the second direction, and the second member The member has a locking member that engages with the slot, and the locking member slides guided by the slot and slides so that the sliding part does not come out of the slot. The edge of the elongated hole is locked to the second member, and the second member is It characterized by having a a locking portion for restricting the vertical direction with respect to member.

  According to the fourth aspect, in the state where the multi-stage stacker is extended, the position between the members constituting the stacker is also in the vertical direction at the central portion in the direction orthogonal to the recording medium discharge direction. Therefore, even when a load is applied, since the central portion of the member constituting the stacker does not bend downward, it is possible to suitably prevent the stacker from being bent in the recording medium discharge direction. Furthermore, since the effect can be realized in a region where a long hole is formed in the member constituting the stacker, the effect can be obtained even when one member constituting the stacker is in the process of being advanced with respect to the other member. Can be realized.

  According to a fifth aspect of the recording apparatus for solving the above-mentioned problem, in the fourth aspect, the locking portion extends in the second direction.

  According to the fifth aspect, in a state where the multi-stage stacker is extended, the position between the members constituting the multi-stage stacker is the vertical position across the direction perpendicular to the discharge direction of the recording medium including the central portion. Be regulated. Accordingly, since the members constituting the stacker are less likely to bend in the downward direction, the stacker can be suitably prevented from being bent in the recording medium discharge direction.

  According to a sixth aspect of the recording apparatus for solving the above-described problem, in the fourth aspect or the fifth aspect, the locking member is disposed on a back surface of the surface of the second member on which the recording medium is stacked. It is formed.

According to the sixth aspect, the multi-stage stacker can be designed to be thin. When the locking member is formed on the surface of the member constituting the stacker on which the recording medium is stacked, the locking member may come into contact with the discharged recording medium, which may hinder the discharge of the recording medium. Therefore, it is necessary to prevent the locking member from projecting to the stack surface by increasing the depth of the elongated hole. That is, it is necessary to design the depth of the elongated hole in consideration of the protrusion of the locking member to the stack surface. Therefore, the thickness of the stacker constituent member in which the long hole is formed is increased, and the thickness of the stacker is increased.
On the other hand, when the locking member is formed on the back surface of the surface on which the recording medium of the stacker constituent member is stacked, the depth of the long hole is sufficient as long as the locking member can be accommodated. The depth can be designed to be shallower. Therefore, the stacker can be designed to be thin.

  According to a seventh aspect of the recording apparatus for solving the above problem, in the fourth aspect to the sixth aspect, the elongated hole is formed so as not to penetrate the first member. To do.

According to the 7th aspect, the rigidity in the direction orthogonal to the discharge direction of the recording medium of the member which comprises the stacker in which a long hole is formed can be made high. Accordingly, since the members constituting the stacker are less likely to bend downward, it is possible to more suitably prevent the stacker from being bent in the recording medium discharge direction.
Furthermore, a recording apparatus for solving the above-described problem includes a stacker that stacks a recording medium that can be expanded and contracted in a first direction, and the stacker includes a first fitting portion, and the recording medium A first member that constitutes a surface for stacking, a second fitting portion that is slidable in the first direction, and a slot that extends in the first direction, A second member constituting a surface on which the recording medium is stacked, and the first fitting portion and the second fitting portion are fitted in a state where the stacker is extended, The first member has a locking member that engages with the long hole, and the second member has a long hole having a depth that the locking member can be accommodated as the long hole. It may be a recording device.
According to the recording apparatus of the above aspect, it is possible to suitably prevent the stacker from being bent in the discharge direction of the recording medium.

1 is a perspective view of an external configuration of an ink jet printer according to an embodiment of the present invention. FIG. 2 is a cross-sectional side view illustrating an outline of an internal configuration of the ink jet printer of FIG. The perspective view of the external appearance structure of a paper feed / discharge tray. The perspective view of the two stacker structural members in the stacker which concerns on 1st Embodiment. Sectional drawing of the two stacker structural members in the stacker which concerns on 2nd Embodiment. The figure which shows the state which formed the latching member in the recording-medium stack surface of a stacker structural member. The figure which shows the state which formed the latching member in the back surface of the recording medium stack surface of a stacker structural member. Sectional drawing of the two stacker structural members in the stacker which concerns on 3rd Embodiment. Sectional drawing of the two stacker structural members in the stacker which concerns on 4th Embodiment. The perspective view of the external appearance structure in the state which the stacker contracted. The perspective view of the external appearance structure in the state which the stacker extended. Sectional drawing of the two stacker structural members in the conventional stacker.

Hereinafter, the present embodiment will be described with reference to the drawings.
FIG. 1 is a perspective view of an external configuration of an ink jet printer according to an embodiment of the present invention. The ink jet printer 100 is covered with a substantially rectangular parallelepiped housing 101.

  On both sides of the front surface of the housing 101, cartridge housing portions 102 and 103 into which a plurality of ink cartridges are inserted and removed are formed. Each ink cartridge stores ink of each color for printing. The cartridge covers 104 and 105 are attached so as to be rotatable in the direction of the arrow a shown in the figure with a rotation shaft at the lower part thereof as a center. The user can perform an ink cartridge replacement operation or the like by lightly pressing the cartridge covers 104 and 105 to remove a locking portion (not shown) and opening the cartridge storage portions 102 and 103.

  An operation unit 110 for instructing a printer operation is disposed on an upper portion of the cartridge housing unit 103 on the right side of the front surface of the housing 101. The operation unit 110 displays a status and a button 111 such as a power system for turning on / off power, an operation system for operating a cueing of a recording medium or operating ink flushing, a processing system for performing image processing, etc. A liquid crystal panel 112 or the like is provided. The user can operate the button 111 while looking at the liquid crystal panel 112 for confirmation.

Further, a tank storage portion 107 into which the waste liquid tank 106 is inserted and removed is formed at the lower part of the cartridge storage portion 105 on the right side of the front surface of the housing 101. The waste liquid tank 106 stores waste ink that is discarded when the recording head 142 (see FIG. 2) is cleaned or when the ink cartridge is replaced. By pulling out the waste liquid tank 106, the user can perform a work of discarding the waste ink accumulated inside.
In the center of the front surface of the housing 101, a paper supply / discharge unit 120 is formed in which a paper supply / discharge tray 400 for stacking a recording medium before printing and a recording medium after printing is inserted and removed.
A paper supply / discharge tray 400 is inserted into the paper supply / discharge unit 120 and fixed. The paper feeding / discharging tray 400 is formed in a cassette type, in which recording media to be fed before printing are stacked and stored, and after printing, the recording media are stacked.

  FIG. 2 is a cross-sectional side view illustrating an outline of the internal configuration as viewed from the right side surface of the ink jet printer of FIG. 1. In the housing 101, a paper supply / discharge unit 120, a transport unit 130, a recording unit 140, and the like are disposed. The paper supply / discharge unit 120 is provided with a hopper 121 for supplying a recording medium, a paper supply roller 122, a separation member 123, and the like. The hopper 121 is formed in a flat plate shape on which recording media can be stacked. One end of the hopper 121 is positioned in the vicinity of the sheet feeding roller 122 and the separating member 123 and the other end is mounted. It is arranged so as to be located close to the bottom surface of 300. In the hopper 121, the other end of the compression spring 124 having one end attached to the bottom surface of the housing 101 is attached to the back surface on the one end side, and one end side pivots around the other end side by the expansion and contraction of the compression spring 124. It is arranged like this.

  The paper feed roller 122 is formed in a D shape with a part of a cross section cut out, and rotates intermittently to frictionally convey the recording medium on the hopper 121. The separating member 123 has a rough upper surface, and when the recording medium cut by the paper feed roller 122 is double fed, the lower recording medium is frictionally separated from the uppermost recording medium. Yes.

  The conveyance unit 130 detects a driving intermediate roller 131 and driven intermediate rollers 132a, 132b, and 132c for conveying a recording medium, a driving conveyance roller 133 and a driven conveyance roller 134, a driving discharge roller 135, a knurled roller 136, and a recording medium. Detection sensors 137a, 137b and the like are disposed. The driving intermediate roller 131 sandwiches the recording medium together with the driven intermediate rollers 132a, 132b, and 132c and reversely conveys it in a U shape in order to discharge the recording medium fed from the paper feed tray 300 to the stacker 200. It has become.

  The drive conveyance roller 133 is configured to sandwich the recording medium that has been reversely conveyed together with the driven conveyance roller 134 and send the recording medium to the first guide member 143. The drive paper discharge roller 135 sandwiches the recording medium passing through the first guide member 143 together with the jagged roller 136, guides the second guide member 125, and discharges it onto the stacker 200. Yes.

  The recording unit 140 is provided with a carriage 141, a recording head 142, and the like. The carriage 141 is connected to a carriage belt (not shown). When the carriage belt is actuated by a carriage driving device (not shown), the carriage 141 is entrained by the movement of the carriage belt and is guided by a guide shaft (not shown) to reciprocate. .

  The recording head 142 is, for example, a plurality of black ink recording heads that eject two types of black ink, and a plurality of color inks that respectively eject six colors of yellow, dark yellow, cyan, light cyan, magenta, and light magenta. And a recording head. The recording head 142 is provided with a pressure generating chamber and a nozzle opening connected to the pressure generating chamber. The size of the recording head 142 is controlled from the nozzle opening toward the recording medium by storing ink in the pressure generating chamber and pressurizing the ink with a predetermined pressure. Ink droplets are discharged.

Next, the paper supply / discharge tray 400 will be described.
FIG. 3 is a perspective view of the external configuration of the paper supply / discharge tray.
The paper feed / discharge tray 400 includes a paper feed tray 300 formed in a box shape and a stacker 200 formed in a lid shape covering the upper surface of the paper feed tray 300. The stacker 200 is configured to be stretchable as shown in FIGS. 11 and 12.

<First Embodiment>
Subsequently, a characteristic configuration of the present invention will be described. About the location using the same code | symbol as a prior art example, since it is the same aspect as a prior art example, description is abbreviate | omitted.
Again, pay attention to the upstream stacker component 201 and the downstream stacker component 202. Here, FIG. 4 is a perspective view of two stacker components in the stacker according to the first embodiment. As shown in FIG. 4, in the stacker 200 according to the present embodiment, the leading end of the upstream stacker constituent member 201 in the recording medium discharge direction and the leading end of the downstream stacker constituent member 202 on the opposite side of the recording medium discharge direction. The parts may be provided with fitting parts 205 and 206, respectively.

  As shown in FIG. 4, the downstream side stacker constituting member 202 is formed upstream by configuring the fitting portions 205 and 206 to have a U-shape when viewed from the direction orthogonal to the recording medium discharge direction. You may comprise so that the fitting parts 205 and 206 may fit in the state pulled out with respect to the side stacker structural member 201 in the discharge direction of the recording medium. With the above-described configuration, in the state where the fitting portions 205 and 206 are fitted, the upstream stacker constituting member 201 and the downstream stacker constituting member 202 also have a central portion in a direction perpendicular to the recording medium discharge direction. The position in the vertical direction is restricted. By restricting the vertical position of the central portion of the downstream stacker constituent member 202 in the direction orthogonal to the recording medium discharge direction, it is possible to suitably prevent the downstream stacker constituent member 202 from being bent downward, It is possible to suitably prevent the stacker 200 from bending in the recording medium discharge direction.

<Second Embodiment>
About the location which used the same code | symbol as a prior art example and 1st Embodiment, since it is the same aspect as a prior art example and 1st Embodiment, description is abbreviate | omitted. FIG. 5 is a cross-sectional view of two stacker constituent members in the stacker according to the second embodiment. It is a cross-sectional view as seen from the discharge direction of the recording medium. As shown in FIG. 5, in the stacker according to the present embodiment, the downstream stacker constituent member 202 has a long hole 213 extending in the recording medium discharge direction at the center in the direction orthogonal to the recording medium discharge direction. Have Further, as shown in FIG. 5, on the back surface of the upstream stacker constituting member 201 on which the recording medium is stacked, there is an elongated hole sliding portion 214 guided and slid by the elongated hole 213, and the elongated hole slide. The locking portion 215 that locks the edge of the long hole 213 so that the moving portion 214 does not come out of the long hole 213 and restricts the downstream stacker constituent member 202 in the vertical direction with respect to the upstream stacker constituent member 201. It has the latching member 216 which consists of.

  The engaging portion 215 restricts the vertical position of the upstream stacker constituent member 201 and the downstream stacker constituent member 202 in the central portion in the direction perpendicular to the recording medium discharge direction. Even when a load is applied to the member 202, it is possible to prevent the downstream side stacker constituent member 202 from being bent downward. Further, since the effect can be realized in the region where the long hole 213 of the downstream stacker constituent member 202 is formed, the effect can be realized even when the downstream stacker constituent member 202 is being pulled out.

The locking member 216 is disposed after the upstream stacker constituent member 201 is molded in consideration of the fitting property between the guide rail 211 and the sliding portion 212.
Therefore, it is possible to realize the above effect after realizing that the downstream stacker constituent member 202 smoothly moves relative to the upstream stacker constituent member 201.
Here, the reason why the locking member 216 is formed on the back side of the surface on which the recording medium of the upstream stacker constituting member 201 is stacked is that the locking member 216 is formed on the surface on which the recording medium of the upstream stacker constituting member 201 is stacked. This is because, when formed, the locking member 216 comes into contact with the discharged recording medium, and there is a possibility that the recording medium may be discharged. Furthermore, in order to avoid contact between the locking member 216 and the recording medium, it is necessary to make the stacker constituent member 216 thick. This will be described in detail below.

FIG. 6 is a diagram showing a state in which the locking member is formed on the recording medium stack surface of the stacker constituent member, and FIG. 7 shows a state in which the locking member is formed on the back surface of the recording medium stack surface of the stacker constituent member. FIG.
As shown in FIG. 6, in the depth direction of the long hole 213, a spare area for preventing the locking member 216 (the long hole sliding portion 214, the locking portion 215) from projecting to the recording medium stack surface 201s. X is required. That is, it is necessary to design the slot 213 to be deeper in consideration of the protrusion of the locking member 216 to the recording medium stack surface 201s. Therefore, the thickness of the downstream stacker constituent member 202 in which the long hole 213 is formed increases, and the thickness of the stacker 200 increases.

  On the other hand, as shown in FIG. 7, when the locking member 216 is formed on the back surface of the recording medium stack surface 201 s of the upstream stacker constituting member 201, the depth of the long hole 213 is the depth that the locking member 216 can be accommodated. If so, it is sufficient, and the depth of the long hole 213 can be designed to be shallower. Therefore, the stacker 200 can be designed to be thin.

<Third Embodiment>
About the location which used the same code | symbol as a prior art example, 1st Embodiment, and 2nd Embodiment, since it is the same aspect as a prior art example, 1st Embodiment, and 2nd Embodiment, description is abbreviate | omitted. FIG. 8 is a cross-sectional view of two stacker components in the stacker according to the third embodiment. It is a cross-sectional view as seen from the discharge direction of the recording medium.
As shown in FIG. 8, the long hole 213 may be formed so as not to penetrate the downstream stacker constituent member 202. By forming the elongated hole 213 so as not to penetrate the downstream stacker constituent member 202, the rigidity of the downstream stacker constituent member 202 in which the elongated hole 213 is formed in the direction perpendicular to the recording medium discharge direction can be increased. it can. Therefore, the downstream stacker constituent member 202 can be preferably prevented from being bent downward, and the stacker 200 can be more preferably prevented from being bent in the recording medium discharge direction.

<Fourth Embodiment>
About the part which used the same code | symbol as a prior art example, 1st Embodiment, 2nd Embodiment, and 3rd Embodiment, a prior art example, 1st Embodiment, 2nd Embodiment, 3rd Embodiment Since it is the same mode as, the description is omitted. FIG. 9 is a cross-sectional view of two stacker components in the stacker according to the fourth embodiment. It is a cross-sectional view as seen from the discharge direction of the recording medium.
As shown in FIG. 9, the locking portion 215 may be extended in a direction orthogonal to the recording medium discharge direction.

  By extending the locking portion 215 in a direction orthogonal to the recording medium discharge direction, the center of the member in the direction in which the upstream stacker constituent member 201 and the downstream stacker constituent member 202 are orthogonal to the recording medium discharge direction. Since the position in the vertical direction is regulated over the region including the part, it is possible to suitably prevent the downstream stacker constituent member 202 from being bent downward. Therefore, it is possible to more suitably prevent the stacker 200 from being bent in the recording medium discharge direction.

  Although the present invention has been described with reference to various embodiments, the present invention is not limited to the above embodiments, and may be applied to other embodiments within the scope of the invention described in the claims. Of course. For example, in the above-described embodiment, an ink jet printer has been described as an example of a recording apparatus. However, the present invention is not limited to this, and any recording apparatus that uses a tray may be a facsimile apparatus, a copying apparatus, or the like. Is also applicable.

  Further, not limited to a recording apparatus, a liquid ejecting apparatus that ejects a liquid corresponding to the application from a liquid ejecting head onto an ejected medium instead of ink and attaches the liquid to the ejected medium is, for example, a liquid crystal display or the like Color material jet head used for manufacturing color filters, electrode material (conductive paste) jet head used for electrode formation of organic EL display and surface emitting display (FED), bio-organic matter jet head used for biochip manufacturing, precision pipette The present invention can also be applied to an apparatus equipped with a sample ejection head or the like.

  DESCRIPTION OF SYMBOLS 100 ... Inkjet printer, 101 ... Housing, 102, 103 ... Cartridge storage part, 104, 105 ... Cartridge cover, 106 ... Waste liquid tank, 107 ... Tank storage part, 110 ... Operation part, 111 ... Button, 112 ... Liquid crystal panel, DESCRIPTION OF SYMBOLS 120 ... Feed / discharge part, 121 ... Hopper, 122 ... Feed roller, 123 ... Separation member, 124 ... Compression spring, 125 ... Second guide member, 130 ... Conveyance part, 131 ... Drive intermediate roller, 132 ... Driven intermediate Roller, 133 ... Drive conveyance roller, 134 ... Driven conveyance roller, 135 ... Drive paper discharge roller, 136 ... Gagged roller, 137 ... Detection sensor, 140 ... Recording unit, 141 ... Carriage, 142 ... Recording head, 143 ... First guide 200, stacker, 201, 202, 203, 204 ... stacker Car constituent members, 205, 206 ... fitting portions, 211 ... guide rails, 212 ... sliding portions, 213 ... long holes, 214 ... long hole sliding portions, 215 ... locking portions, 216 ... locking members, 300 ... Paper feed tray, 400...

Claims (6)

A stacker for stacking recording media, which can be extended and contracted in a first direction;
The stacker is
A first member having a first fitting portion and constituting a surface on which the recording medium is stacked;
The first is slidable in a direction, and a second fitting portion, possess a long hole that extends in the first direction, the second constituting a surface for stacking said recording medium A member, and
Said first fitting portion, said second fitting portion, fitted in a state in which the stacker is extended,
The first member has a locking member that engages with the elongated hole,
The recording apparatus according to claim 1, wherein the second member has a long hole having a depth capable of accommodating the locking member as the long hole . The recording apparatus according to claim 1,
The locking member is
A sliding portion guided and slid by the elongated hole;
And a locking portion for locking the edge of the elongated hole.   The recording apparatus according to claim 2,
  The locking member is
    As the sliding portion, a first sliding portion and a second sliding portion different from the first sliding portion at a position in a second direction intersecting the first direction,
    A recording apparatus comprising: a locking portion extending in the second direction so as to be connected to the first sliding portion and the second sliding portion as the locking portion. . The recording apparatus according to any one of claims 1 to 3,
The first fitting portion has a U-shape when viewed from a second direction intersecting with the first direction,
The recording apparatus, wherein the second fitting portion has a U-shape when viewed from the second direction. The recording apparatus according to any one of claims 1 to 4,
In the first member, the locking member is formed on the back surface of the surface on which the recording medium is stacked. A recording apparatus according to any one of claims 1 to 5,
The recording apparatus according to claim 1 , wherein the elongated hole does not penetrate the second member.

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