Printer

Abstract

To provide a printer which reduces a load for removal work of a roll body while suppressing enlargement of the printer.SOLUTION: A printer 1 includes a printing section 5 which performs printing onto a medium M, a winding section 6 which supports a paper tube so as to hold the paper tube thereinto in the axial direction of the paper tube in which the medium M is wound, and winds the medium, a stay 61 which is provided so as to be extended in an extension direction parallel to the axial direction when the paper tube is supported by the winding section 6, and supports the winding section from a supporting direction intersecting with a vertical direction and the extension direction, and a medium reception section 100 for receiving roller bodies R2 of the medium wound into a roller shape which are retained by the stay 61 and are removed from a winding portion 6. Therein, the medium reception section 100 has a medium mounting section 101 which extrudes to a supporting direction, and the medium mounting section 101 is capable of mounting the roller body R2.SELECTED DRAWING: Figure 6

Description

Technical Field

[0001] The present invention relates to a printing apparatus.

Background Art

[0002] Conventionally, various printing apparatuses have been used. Among them, there is a printing apparatus including a printing unit that prints on a medium, and a winding unit that supports and winds the medium in a roll shape by sandwiching a paper tube around which the medium is wound in the axial direction. For example, Patent Document 1 discloses a printing apparatus including a printing unit that prints on a medium, and a winding unit that supports and winds the medium in a roll shape by sandwiching a paper tube around which the medium is wound in the axial direction by a holding unit.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In a conventional printing apparatus including a printing unit and a winding unit configured like the printing apparatus of Patent Document 1, in order to sandwich a paper tube or the like around which the medium is wound from both sides in the width direction corresponding to the axial direction of the paper tube, a rail-shaped stay that enables the winding unit to move in the width direction is generally provided below the winding unit. However, with such a configuration, the printing apparatus tends to be large in the height direction. Therefore, when trying to change the arrangement of the stay of the winding unit from a substantially vertical direction to a substantially horizontal direction to suppress the height of the printing apparatus, the space for removing the roll body, which is the medium wound in a roll shape, becomes narrow and the work tends to be difficult.

Means for Solving the Problems

[0005] The printing apparatus of the present invention for solving the above problems includes a printing unit that prints on a medium, a winding unit that supports the medium so as to sandwich a paper tube around which the medium is wound in the axial direction of the paper tube and winds up the medium, a stay that is provided to extend in an extending direction parallel to the axial direction when the paper tube is supported by the winding unit and supports the winding unit from a vertical direction and a support direction intersecting the extending direction, and a medium receiving unit that is held by the stay and receives a roll body of the medium wound in a roll shape and removed from the winding unit. The medium receiving unit has a medium placement unit that protrudes in the support direction, and the medium placement unit is capable of placing the roll body.

Brief Description of the Drawings

[0006]

Figure 1

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Embodiments for Carrying Out the Invention

[0007] First, the present invention will be schematically described. A printing apparatus according to a first aspect of the present invention for solving the above problems includes a printing unit that prints on a medium, a winding unit that supports the medium by sandwiching a paper tube around which the medium is wound in the axial direction of the paper tube and winds up the medium, a stay that is provided to extend in an extending direction parallel to the axial direction when the paper tube is supported by the winding unit and supports the winding unit from a support direction intersecting the vertical direction and the extending direction, and a medium receiving unit that is held by the stay and receives a roll body of the medium wound in a roll shape and removed from the winding unit. The medium receiving unit has a medium placement portion that protrudes in the support direction, and the medium placement portion is capable of placing the roll body thereon.

[0008] According to this aspect, a stay is provided that supports the winding unit from a support direction intersecting the vertical direction. For this reason, the arrangement of the winding unit with respect to the stay can be changed from a substantially vertical direction to a substantially horizontal direction, and the height of the printing apparatus can be suppressed. Further, the medium receiving unit that receives the roll body is held by the stay, the medium receiving unit has a medium placement portion that protrudes in the support direction, and the medium placement portion is capable of placing the roll body thereon. For this reason, when removing the roll body from the winding unit, the roll body can be temporarily placed on the medium placement portion of the medium receiving unit. Further, since the medium receiving unit is held by the stay, the moving distance of the roll body at that time is short, and it is also easy to place the roll body on the medium placement portion. Therefore, it is possible to reduce the burden of the removal work of the roll body while suppressing the enlargement of the printing apparatus.

[0009] A printing apparatus according to a second aspect of the present invention is an aspect subordinate to the first aspect, and is characterized in that the medium receiving unit has an engaging portion that engages with the stay and an intermediate portion that is disposed between the engaging portion and the medium placement portion.

[0010] According to this aspect, the medium receiving unit has an engaging portion that engages with the stay and an intermediate portion that is disposed between the engaging portion and the medium placement portion. By adopting such a configuration, a medium receiving unit having a configuration in which it is easy to place the roll body on the medium placement portion can be obtained.

[0011] The printing apparatus according to the third aspect of the present invention is an aspect subordinate to the second aspect, wherein the engaging portion and the intermediate portion are rotatably connected by a shaft parallel to the extending direction, and the intermediate portion and the medium placing portion are rotatably connected by a shaft parallel to the extending direction.

[0012] According to this aspect, the engaging portion and the intermediate portion are rotatably connected by a shaft parallel to the extending direction, and the intermediate portion and the medium placing portion are rotatably connected by a shaft parallel to the extending direction. With such a configuration, when placing the roll body on the medium placing portion, the medium placing portion can be suitably arranged, and when the roll body is not placed on the medium placing portion, the medium placing portion can be arranged at a position that does not interfere with the operator.

[0013] The printing apparatus according to the fourth aspect of the present invention is an aspect subordinate to the second aspect, wherein the intermediate portion is made of a flexible member.

[0014] According to this aspect, the intermediate portion is made of a flexible member. With such a configuration, when a strong force is applied to the medium receiving portion, the force can be deflected, and damage to the medium receiving portion can be suppressed.

[0015] The printing apparatus according to the fifth aspect of the present invention is an aspect subordinate to any one of the first to fourth aspects, wherein the medium receiving portion is movable in the extending direction with respect to the stay.

[0016] According to this aspect, the medium receiving portion is movable in the extending direction with respect to the stay. With such a configuration, the medium receiving portion can be suitably arranged with respect to the stay corresponding to media having lengths in various axial directions, and the burden of the removal work of the roll body can be reduced.

[0017] The printing apparatus according to the sixth aspect of the present invention is an aspect subordinate to any one of the first to fourth aspects, wherein the medium receiving portion engages with the stay from the vertical direction.

[0018] According to this aspect, the medium receiving portion engages with the stay in the vertical direction with respect to the stay. By adopting such a configuration, the medium receiving portion can be easily and firmly attached to the stay.

[0019] The printing apparatus according to the seventh aspect of the present invention is an aspect subordinate to any one of the first to fourth aspects, and is characterized in that the medium placement portion can change the length in the support direction.

[0020] According to this aspect, the medium placement portion can change the length in the support direction. By adopting such a configuration, the length in the support direction of the medium placement portion can be suitably changed for roll bodies with various roll diameters, and roll bodies with various roll diameters can be accommodated.

[0021] Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings. First, with reference to FIG. 1, an overview of a printing apparatus 1 according to an embodiment of the present invention will be described. In FIG. 1, for ease of understanding of the configuration, some constituent members are shown in a simplified and omitted manner. Here, in FIG. 1, the X-axis direction in the figure is the horizontal direction and is the direction in which the support portion of the supply unit 2 that holds the roll body R1 around which the medium M is wound in a roll shape extends, the Y-axis direction is the horizontal direction and is the front-rear direction of the printing apparatus 1 and is a direction orthogonal to the X-axis direction, and the Z-axis direction is the vertical direction. Also, hereinafter, the direction in which the arrow points is the + direction, and the direction opposite to the direction in which the arrow points is the - direction. For example, in FIG. 1, the vertically upward direction is the +Z direction, the vertically downward direction is the -Z direction, the front of the printing apparatus 1 is the +Y direction, and the rear of the printing apparatus 1 is the -Y direction.

[0022] As shown in FIG. 1, the printing apparatus 1 of this embodiment includes a main body portion 9, and leg frames 7 are attached to the vicinity of both ends of the main body portion 9 in the X-axis direction. Further, the printing apparatus 1 of this embodiment includes a supply unit 2 that holds the roll body R1 on the -Y direction side, which is the rear side of the main body portion 9. The supply unit 2 supports the paper tube of the roll body R1 around which the medium M is wound so as to sandwich it in the X-axis direction, and supplies the medium M to the head 5 as a printing unit.

[0023] In the printing apparatus 1 of the present embodiment, when the medium M is conveyed in the conveyance direction A, the supply unit 2 rotates the roll body R1 in the rotation direction C. In FIG. 1, the roll body R1 wound so that the image formation surface M1 on which an image is formed faces outward is used. However, when a roll body R1 wound so that the image formation surface M1 faces inward is used, the supply unit 2 can send out the medium M by rotating the roll body R1 in the direction opposite to the rotation direction C.

[0024] Further, the printing apparatus 1 of the present embodiment includes a conveyance path for the medium M including a medium support unit 3 that supports the medium M on the support surface 30. The printing apparatus 1 of the present embodiment includes an upstream medium support unit 3A, a medium support unit 3B, and a downstream medium support unit 3C in the conveyance direction A from the upstream side to the downstream side as the medium support unit 3. Further, the printing apparatus 1 includes a pair of rollers 8 including a driving roller and a driven roller as a conveyance unit for conveying the medium M in the conveyance direction A in the conveyance path. However, the configuration of the conveyance unit is not particularly limited.

[0025] Further, the printing apparatus 1 of the present embodiment includes a head 5 as a printing unit provided with a plurality of nozzles at a position facing the medium support unit 3B and discharging ink, which is a liquid, from the nozzles to form an image, and a carriage 4 mounted with the head 5 and capable of reciprocating in the width direction B. In the printing apparatus 1 of the present embodiment, the conveyance direction A at the position facing the head 5 on the medium support unit 3B is the +Y direction, the width direction B, which is the moving direction of the head 5, is a direction along the X-axis direction, and the ink discharging direction is the -Z direction.

[0026] With the above configuration, the head 5 can form an image by discharging ink from nozzles (not shown) onto the conveyed medium M while reciprocating in the width direction B, which is a direction intersecting the conveyance direction A. The printing apparatus 1 of the present embodiment can form a desired image on the medium M by repeating conveying the medium M in the conveyance direction A at a predetermined conveyance amount and discharging ink while moving the head 5 in the width direction B with the medium M stopped.

[0027] Further, a heater 20 is provided in the downstream media support portion 3C of the media support portion 3 as a heating portion for heating the supported surface M2 on the side opposite to the image forming surface M1 of the media M. The heater 20 of the present embodiment is composed of a heating wire or the like, but is not limited to such a configuration. Further, not only the downstream media support portion 3C but also the upstream media support portion 3A and the media support portion 3B may be provided with a media heating portion for heating the supported surface M2 on the side opposite to the image forming surface M1 of the media M.

[0028] Further, a blowing portion 10 for drying the ink ejected from the head 5 onto the image forming surface M1 of the media M by blowing the air flow F is provided at a portion facing the downstream media support portion 3C in the conveyance path. The blowing portion 10 of the present embodiment includes a fan 11 that generates the air flow F and is configured to be able to blow the gas as the air flow F onto the image forming surface M1 of the media M, but is not limited to such a configuration.

[0029] Further, a winding portion 6 for winding the media M conveyed in the conveyance direction A into a roll shape to form a roll body R2 is provided downstream of the downstream media support portion 3C in the conveyance direction A. In the printing apparatus 1 of the present embodiment, the supply portion 2 and the winding portion 6 have the same configuration. The media M conveyed from the supply portion 2 to the winding portion 6 is conveyed in a state where a predetermined tension is applied by the winding portion 6 or the like. The winding portion 6 supports the paper tube, which is the core of the roll body R2, so as to sandwich it in the X-axis direction, and winds the media M into a roll shape by rotating the paper tube. In FIG. 1, the winding portion 6 rotates the roll body R2 in the rotation direction C so that the image forming surface M1 is wound to the outside, but the media M may be wound so that the image forming surface M1 is on the inside. In that case, the winding portion 6 rotates the roll body R2 in the direction opposite to the rotation direction C.

[0030] Note that a guide bar 200 is provided between the downstream-side medium support portion 3C and the winding portion 6 in the conveyance direction A. The guide bar 200 has an arcuate contact surface 201 when viewed from the width direction B. Then, the guide bar 200 guides the conveyance of the medium M by bringing the contact surface 201 into contact with the supported surface M2 of the medium M wound around the winding portion 6. However, the configuration of the guide bar 200 is not particularly limited, and further, a configuration without the guide bar 200 may be employed.

[0031] As described above, the printing apparatus 1 of the present embodiment includes a head 5 that prints on a medium M, and a winding portion 6 that supports and winds the medium M by sandwiching a paper tube in the X-axis direction corresponding to the axial direction of the paper tube around which the medium M is wound. Hereinafter, with reference to FIGS. 2 to 7, the method of removing the roll body R2 of the medium M wound by the winding portion 6 of the printing apparatus 1 of the present embodiment and its configuration will be described in comparison with FIGS. 8 and 9 showing the printing apparatus 50 of the reference example as necessary.

[0032] As shown in FIGS. 2, 3, 6, etc., the printing apparatus 1 of the present embodiment includes a stay 61 that extends in an extending direction parallel to the X-axis direction, which is the axial direction when the paper tube of the roll body R2 is supported by the winding portion 6. The stay 61 supports the winding portion 6 from the support direction (Y-axis direction) that intersects the vertical direction (Z-axis direction) and the extending direction (X-axis direction). For this reason, the printing apparatus 1 of the present embodiment can be arranged such that the winding portion 6 with respect to the stay 61 is in a substantially horizontal direction instead of a substantially vertical direction, and the height of the printing apparatus 1 can be suppressed.

[0033] Also, as shown in FIGS. 2, 3, and 6, etc., the printing apparatus 1 of the present embodiment has a medium receiving portion 100 held by a stay 61 that can receive a roll body R2 of a medium wound in a roll shape removed from the winding portion 6. Here, the medium receiving portion 100 has a medium placement portion 101 that protrudes in the support direction (Y-axis direction), and as shown in FIG. 6, the medium placement portion 101 can place the roll body R2. Therefore, when removing the roll body R2 from the winding portion 6, the printing apparatus 1 of the present embodiment can temporarily place the roll body R2 on the medium placement portion 101 of the medium receiving portion 100. Also, as shown in FIG. 6, since the medium receiving portion 100 is held by the stay 61, the movement distance L1 of the roll body R2 at that time is short, and it is also easy to place the roll body R2 on the medium placement portion 101. Therefore, the printing apparatus 1 of the present embodiment is configured to be able to reduce the burden of the removal work of the roll body R2 while suppressing an increase in size. Also, as a matter of course, by having the medium receiving portion 100 having such a configuration, it is possible to suppress the roll body R2 from coming into direct contact with the installation surface G, and it is also possible to suppress the roll body R2 from getting dirty due to contact with the installation surface G.

[0034] A configuration in which a medium receiving portion 100 having a medium placement portion 101 on which the roll body R2 can be placed is provided is particularly effective, especially in a printing apparatus with a reduced vertical height. Hereinafter, in relation to this point, FIGS. 2 and 3 will be compared with FIGS. 8 and 9 for explanation. As described above, in the printing apparatus 1 of the present embodiment, the stay 61 supports the winding portion 6 from the horizontal direction in order to suppress the vertical height. Therefore, as shown in FIGS. 2 and 3, the height H1 from the installation surface G of the printing apparatus 1 corresponding to the height of the take-out portion of the roll body R2 to the tip of the medium support portion 3B becomes low. On the other hand, in the printing apparatus 50 of the reference example shown in FIGS. 8 and 9, the stay 61 supports the winding portion 6 from the vertical direction. Therefore, the height H2 from the installation surface G of the printing apparatus 50 corresponding to the height of the take-out portion of the roll body R2 to the tip of the medium support portion 3B becomes high.

[0035] If the height of the take-out portion of the roll body R2 is high like the printing apparatus 50 of the reference example shown in FIGS. 8 and 9, the operator can take out the roll body R2 without feeling a large working load. On the other hand, if the height of the take-out portion of the roll body R2 is low like the printing apparatus 1 of the present embodiment shown in FIGS. 2 and 3, when taking out the roll body R2, the operator is likely to feel a large working load such as having to maintain a low posture for a long time. Therefore, in the printing apparatus 1 of the present embodiment, the working load is reduced by providing the medium receiving portion 100 having the above-described configuration.

[0036] Next, a preferred embodiment of the medium receiving portion 100 attachable to the printing apparatus 1 of the present embodiment will be described below. As shown in FIGS. 4 and 5 and the like, the medium receiving portion 100 of the present embodiment has a configuration including, in addition to the medium placement portion 101, an engagement portion 103 that engages with the stay 61, and an intermediate portion 102 disposed between the engagement portion 103 and the medium placement portion 101. By adopting such a configuration, the medium receiving portion 100 can be configured such that the roll body R2 can be easily placed on the medium placement portion 101.

[0037] As shown in FIGS. 2, 3, and 6 and the like, in the printing apparatus 1 of the present embodiment, when the roll body R2 is removed from the winding portion 6, the medium placement portion 101 is in a state of being installed on the installation surface G of the printing apparatus 1. For this reason, the medium receiving portion 100 is configured not to be damaged when the heavy roll body R2 is placed on the medium placement portion 101.

[0038] Specifically, in the printing apparatus 1 of the present embodiment, the engaging portion 103 and the intermediate portion 102 are rotatably connected at the joint portion 102a by an axis parallel to the extending direction (X-axis direction) of the stay 61 so that the medium placement portion 101 is in a state of being installed on the installation surface G of the printing apparatus 1. The intermediate portion 102 and the medium placement portion 101 are rotatably connected at the joint portion 102b by an axis parallel to the extending direction of the stay 61. With such a configuration, when placing the roll body R2 on the medium placement portion 101, it can be suitably arranged so that the medium placement portion 101 is in a state of being installed on the installation surface G. Further, when there is no plan to place the roll body R2 on the medium placement portion 101, the medium placement portion 101 can be folded upward at the joint portion 102a and the joint portion 102b, and the medium placement portion 101 can be arranged at a position that does not get in the way of the operator.

[0039] As described above, the medium receiving portion 100 of the present embodiment can change the arrangement of the intermediate portion 102 with respect to the engaging portion 103 at the joint portion 102a and the arrangement of the medium placement portion 101 with respect to the intermediate portion 102 at the joint portion 102b. Specifically, as shown in FIG. 5, the arrangement of the center positions of the intermediate portion 102 and the medium placement portion 101 in a side view can be changed from the position P1 represented by the one-dot chain line to the position P2 represented by the broken line with respect to the reference position P0 represented by the solid line.

[0040] However, the medium receiving portion 100 is not limited to such a configuration. For example, as shown in FIG. 7, the intermediate portion 102 may be directly fixed to the engaging portion 103 and the medium placement portion 101 without passing through a joint portion or the like, and the intermediate portion 102 may be configured by a flexible member. With such a configuration, the medium placement portion 101 can be in a state of being installed on the installation surface G of the printing apparatus 1, and when a strong force is applied to the medium receiving portion 100, the force can be diverted, and damage to the medium receiving portion 100 can be suppressed. Although the intermediate portion 102 of the medium receiving portion 100 in FIG. 7 is configured by an elastic member made of rubber, the intermediate portion 102 may be made of cloth or configured by an elastic member such as a coil spring.

[0041] Here, as shown in FIG. 3, the medium receiving part 100 of this embodiment includes two medium receiving parts 100A and 100B, both of which are configured to be movable in the X-axis direction, which is the extending direction thereof, with respect to the stay 61. By having such a configuration, the printing apparatus 1 of this embodiment can suitably arrange the medium receiving part 100 with respect to the stay 61 corresponding to media M of various widths (lengths in the axial direction), and can reduce the burden of the removal work of the roll body R2.

[0042] Although the configuration is not limited to making the medium receiving part 100 movable in the extending direction with respect to the stay 61, as shown in FIGS. 4 and 5, etc., the medium receiving part 100 of this embodiment is configured such that the engaging part 103 is engaged with the stay 61 in a state where it is hooked from the vertical direction at the hooking part 103a. By having such a configuration, the printing apparatus 1 of this embodiment can easily and firmly attach the medium receiving part 100 to the stay 61.

[0043] Also, as can be seen by comparing FIGS. 2 and 5 with FIGS. 4 and 6, in the printing apparatus 1 of this embodiment, the medium placing part 101 has a drawer part 101a and is configured such that the length in the supporting direction (Y-axis direction) can be changed. By having such a configuration, the printing apparatus 1 of this embodiment can suitably change the length in the supporting direction of the medium placing part 101 corresponding to roll bodies R2 of various winding diameters, and can correspond to roll bodies R2 of various winding diameters.

[0044] Here, an example of the procedure for removing the roll body R2 from the winding part 6 will be described. First, as shown in FIG. 6, etc., the medium placing part 101 is installed on the installation surface G of the printing apparatus 1. Next, the length in the supporting direction of the medium placing part 101 is changed according to the winding diameter of the roll body R2. When the winding diameter of the roll body R2 is large, the length in the supporting direction of the medium placing part 101 is increased, and when the winding diameter of the roll body R2 is small, the length in the supporting direction of the medium placing part 101 is not increased much or not increased at all depending on the case.

[0045] Thereafter, as shown in FIG. 6, the state of the roll body R2 is changed from the state of the roll body R2a in which the roll body R2 is attached to the winding unit 6 to the state of the roll body R2b in which the roll body R2 is placed on the medium placement unit 101. At this time, the roll body R2 moves downward in the vertical direction (-Z direction) by a moving distance L1. Next, the roll body R2 is rolled from the state of the roll body R2b and moved in the +Y direction by a moving distance L2 to obtain the state of the roll body R2c. That is, the roll body R2 is disposed on the front end side of the medium placement unit 101. In the state of the roll body R2c, since the roll body R2 is disposed on the +Y direction side of the downstream medium support unit 3C, the roll body R2 can be easily taken out from the medium placement unit 101.

[0046] The present invention is not limited to the above-described embodiments, and can be realized in various configurations without departing from the gist thereof. In addition, the technical features in the embodiments corresponding to the technical features in each form described in the summary of the invention can be appropriately replaced or combined in order to solve some or all of the above-described problems or to achieve some or all of the above-described effects. Further, if the technical feature is not described as essential in this specification, it can be appropriately deleted.

[0047] For example, in the above-described embodiment, the medium receiving unit 100 is provided at a position where the roll body R2 attached to the winding unit 6 can be removed. However, the medium receiving unit 100 may be provided at a position where the roll body R1 attached to the supply unit 2, such as a stay provided on the supply unit 2 side, can be removed. The downstream medium support unit 3C on the winding unit 6 side tends to be long to dry the ink discharged onto the medium M, and the height H1 from the installation surface G of the printing apparatus 1 to the tip of the medium support unit 3B tends to be low. Therefore, it is preferable that the medium receiving unit 100 is attached to the winding unit 6 side. However, it goes without saying that the medium receiving unit 100 having the above-described configuration may be attached to the supply unit 2 side because it is small and has high performance.

Explanation of Reference Numerals

[0048] 1... Printing device, 2... Supply unit, 3... Medium support unit, 3A... Upstream medium support unit, 3B... Medium support unit, 3C... Downstream medium support unit, 4... Carriage, 5... Head (printing unit), 6... Take-up unit, 7... Leg frame, 8... Roller pair, 9... Main body unit, 10... Blower unit, 11... Fan, 20... Heater, 30... Support surface, 50... Printing device, 61... Stay, 100... Medium receiving part, 100A... Medium receiving part, 100B... Medium receiving part, 101... Medium placement part, 101a... Drawer part, 102... Intermediate part, 102a... Joint part, 102b... Joint part, 103... Engagement part, 103a... Hooking part, 200... Guide bar, 201... Contact surface, G... Installation surface, H1... Height, H2... Height, L1... Movement distance, L2... Movement distance, P0... Reference position, P1... Position, P2... Position, M... Medium, M1... Image formation surface, M2... Supported surface, R1... Roll body, R2... Roll body, R2a... Roll body, R2b... Roll body, R2c... Roll body

Claims

1. a printing unit for printing on a medium; a winding unit that supports the paper tube around which the medium is wound so as to sandwich the paper tube in the axial direction of the paper tube and winds the medium; a stay provided to extend in an extending direction parallel to the axial direction when the paper tube is supported by the winding unit, and supporting the winding unit from a vertical direction and a supporting direction intersecting the extending direction; a medium receiving portion held by the stay and receiving a roll body of the medium wound in a roll shape removed from the winding unit; comprising; the medium receiving portion has a medium placing portion protruding in the supporting direction; the medium placing portion is characterized in that the roll body can be placed thereon. A printing apparatus.

2. In the printing apparatus according to Claim 1, the medium receiving portion has an engaging portion that engages with the stay, and an intermediate portion disposed between the engaging portion and the medium placing portion. A printing apparatus characterized by this.

3. In the printing apparatus according to Claim 2, the engaging portion and the intermediate portion are rotatably connected by an axis parallel to the extending direction; the intermediate portion and the medium placing portion are rotatably connected by an axis parallel to the extending direction. A printing apparatus characterized by this.

4. In the printing apparatus according to Claim 2, the intermediate portion is made of a flexible member. A printing apparatus characterized by this.

5. In the printing apparatus according to any one of Claims 1 to 4, the medium receiving portion is movable in the extending direction with respect to the stay. A printing apparatus characterized by this.

6. In the printing apparatus according to any one of Claims 1 to 4, the medium receiving portion engages with the stay from the vertical direction. A printing apparatus characterized by this.

7. In the printing apparatus according to any one of Claims 1 to 4, the medium placing portion is characterized in that the length in the supporting direction can be changed. A printing apparatus.

Images