JP4777443B2 - Printing device - Google Patents

Description

  The present invention relates to a printing apparatus that performs printing on a printing medium and includes a plurality of printing units that accommodate the printing medium.

  As an example of the printing apparatus, there is a label printer that prints information related to a product such as food on a label. When a label printed by this printer is affixed to a product, a plurality of labels may be affixed to a product, for example, a measurement label and an advertisement label. In consideration of sticking a plurality of labels in this way, a label printer in which two label printing mechanisms (printing units) are provided in the horizontal direction inside the apparatus is disclosed (see Patent Document 1). In such a label printer having two printing units, it is common to pull out the printing unit from the apparatus main body when replacing the label paper.

  However, when one of the printing units is pulled out when replacing the label paper, the other printing unit is also pulled out, and the two printing units may be pulled out at the same time. In such a case, there is a risk that the apparatus may be tilted to the side of the drawn printing unit due to the weight of the two drawn printing units, and may fall over during the work.

  The present invention has been made in view of the above, and in a printing apparatus in which two pullable print units are provided in the horizontal direction, when one print unit is pulled out, the other print unit is It is an object of the present invention to provide a printing apparatus that is intended to prevent the apparatus from falling down by preventing the apparatus from being pulled out.

In order to solve the above-described problems and achieve the object, a printing apparatus according to the present invention includes a first printing unit that houses a print medium printed by a printing unit, and that can be pulled out and housed in a predetermined direction from the apparatus main body. A second printing unit that is arranged in parallel with the first printing unit, accommodates the printing medium, and can be pulled out and housed from the apparatus main body in the same direction as the drawing direction of the first printing unit; and the first printing unit; A locking mechanism that locks the other printing unit into the apparatus main body when either one of the printing units with the second printing unit is pulled out from the apparatus main body. The mechanism includes a first locked portion formed by bending a leading end portion of the first printing unit in the housing direction in the apparatus body, and housing the second printing unit in the apparatus body. A second locked portion formed by bending the leading end portion in the same direction as the first locked portion, and the second locked portion of the second printing unit housed in the apparatus main body. Is rotated in the first direction through the rotation shaft by the pressing by the first, and the second printing unit pulled out from the apparatus main body is released in the direction opposite to the first direction by releasing the pressing by the second locked portion. A first abutting portion that rotates in the second direction via the rotation shaft, and the second contact portion when the second printing unit is released from the apparatus main body and the second locked portion is released. The first abutting portion is engaged with the first locked portion by rotating through the rotating shaft in the second direction, and the second printing unit is accommodated in the apparatus main body. 2 Via the pivot shaft in the first direction of the first abutting portion accompanying the pressing of the locked portion A first locking portion for releasing engagement with the first locked portion by movement; the first locking portion at one end; and the first abutting at the other end. A first locking member having a first plate-like member provided with a portion, and a rotary shaft that rotates the first contact portion in the first direction and the second direction. The first printing unit rotated in the first direction by the pressing by the first locked portion of the first printing unit housed in the apparatus main body via the rotation shaft and pulled out from the apparatus main body. A second abutting portion that rotates in the second direction by releasing the pressure by the first locked portion, and a rotation that rotates the first locking portion in the first direction and the second direction. The first printing unit is pressed by the first printing unit being pulled out from the apparatus main body through the same rotation shaft as the shaft. When the second abutting portion is rotated in the second direction upon release, the first locked portion is engaged with the second locked portion, and the first printing unit is accommodated in the apparatus main body. A second locking portion for releasing engagement with the second locked portion by rotation of the second contact portion in the first direction accompanying the pressing of the locking portion; and the first locking The second member is formed longer than the first plate-like member in the member, the second locking portion is provided at one end, and the second contact portion is provided at the other end. And a second locking member having a plate-like member, wherein the first locking member is housed in the second locking member .

  The printing apparatus according to the present invention has an effect that the apparatus can be prevented from overturning.

FIG. 1 is a perspective view showing an external configuration of a label issuing device according to an embodiment. FIG. 2 is a perspective view showing a state in which the printer unit is pulled out from the inside of the label issuing apparatus main body. FIG. 3 is a bottom frame covering the bottom surface of the printer unit. FIG. 4 shows a base portion covering the bottom surface of the label issuing apparatus main body. FIG. 5 is a perspective view showing details of the locking member. FIG. 6 is a perspective view showing details of the locking member. FIG. 7 is a diagram showing details of the locking mechanism. FIG. 8 is a diagram illustrating a state in which the printer unit is accommodated inside the label issuing apparatus main body. FIG. 9 is a side view of the locking mechanism of FIG. 8 from the printer unit side. FIG. 10 is a diagram illustrating a state in which the printer unit starts to be pulled out from the inside of the label issuing apparatus main body.

  Exemplary embodiments of a printing apparatus according to the present invention will be explained below in detail with reference to the accompanying drawings. Below, although the example which applied the printing apparatus of this invention to the label issuing apparatus which prints the information relevant to goods, such as food, on a label, and issues the label on which information was printed is shown, it is limited to this Any apparatus that prints on a print medium without any problem may be applied.

  FIG. 1 is a perspective view showing an external configuration of a label issuing device according to an embodiment. This label issuing device prints information related to a product on a label inside the device, and issues the label on which information is printed from the label issuing ports 17 and 18 on the front of the device (facing the device operator). In the upper center of the label issuing device main body (device main body) 10, a display 11 with a touch panel for displaying various information related to products is provided. A keyboard 12 that receives various inputs from the operator is provided on the front side (apparatus operator side) of the label issuing apparatus body 10. In addition, a measurement unit 13 that places a product and measures the weight of the product is provided in the lower front portion of the label issuing apparatus body 10.

  The label issuing device main body 10 accommodates a printer unit 15 and a printer unit 16 side by side in a horizontal direction, and an operator facing the front of the device has a groove 15a provided at the lower part on the front side of the label issuing device main body 10 or By placing a finger on the groove 16a and pulling each unit toward the front side, each unit can be pulled out separately from the front of the label issuing apparatus body 10 in the direction A in FIG. The pulled out printer unit 15 or printer unit 16 is housed in the label issuing apparatus main body 10 by pushing the front face in the direction opposite to the A direction, respectively. Smooth opening and closing of the printer unit 15 and the printer unit 16 is realized by a slide rail (drawer rail) mechanism SR (see FIG. 2) provided in the front opening of the main body 10.

  FIG. 2 is a perspective view showing a state in which the printer unit 15 is pulled out from the inside of the label issuing apparatus main body 10. On both sides in the longitudinal direction of the bottom of the printer unit 15, one elongate inner rail 25 arranged along the longitudinal direction from the front to the back is provided on each side. The outer rails 26 in which the inner rails 25 are accommodated are provided on both sides in the opening on the right side of the apparatus main body 10 in which the printer unit 15 is accommodated. An intermediate rail 27 interlocking with the inner rail 25 is interposed between the inner rail 25 and the outer rail 26, and can be pulled out almost fully to the back of the printer unit 15. Therefore, it is easy to set the roll-shaped label paper P that must be set on the back side of the printer unit 15. Such slide rail mechanisms SR are also provided on both sides in the longitudinal direction of the bottom of the printer unit 16 and on both sides in the opening on the left side of the apparatus main body 10 in which the printer unit 16 is stored.

  In the printer unit 15, a label printing mechanism LP provided in the vicinity of the label issuing port 17 for printing information on a label, and a mount on which a label on which information is printed by the label printing mechanism LP is attached in a roll shape. The wound label paper P and a mount roll MR wound in a roll shape with the label peeled off by a peeling member provided between the label printing mechanism LP and the label issuing port 17 are accommodated. Similarly, the printer unit 16 accommodates a label printing mechanism LP, a label paper P, and a mount roll MR. The label issuing device is configured such that the labels printed by the label printing mechanism of the printer units 15 and 16 are discharged from the label issuing ports 17 and 18 formed on the front surface of the label issuing device main body 10.

  Further, the mount of the label paper P accommodated in the back side of the printer unit 15 is taken up by the take-up shaft 30 provided below the label printing mechanism LP every time the label is peeled off by the peeling member. Then, it gradually moves to the front side of the printer unit 15. Therefore, when the label paper P is replenished, a space is widened on the back side of the printer unit 15, while a mount from which the label is peeled is wound up in a roll shape on the front side of the printer unit 15. The center of gravity of the unit 15 is located on the front side.

  FIG. 3 shows a bottom frame 19 that covers the bottom surface of the printer unit 15. As shown in FIG. 3, the bottom frame 19 has the front end portion of the printer unit 15 in the accommodating direction inside the label issuing apparatus main body 10 toward the side where the label printing mechanism LP is provided, that is, in FIG. A bent portion 19a that is bent in a U shape is formed upward. The bent portion 19a has a shape that engages with an engaging portion 101a of a locking member 100 of a locking mechanism described later. Similarly, the printer unit 16 is also formed with a bent portion 20a (see FIG. 8 and the like described later) formed by bending the front end portion of the bottom frame 20 in the accommodating direction inside the label issuing device main body 10 and will be described later. The engaging portion 201a of the locking member 200 of the locking mechanism is engaged.

  FIG. 4 shows a base portion 22 that covers the bottom surface of the label issuing apparatus main body 10. As shown in FIG. 4, when the printer unit 15 is accommodated in the label issuing apparatus main body 10, the base member 22 includes a locking member 100 that engages with the bent portion 19 a of the bottom frame 19, and the printer unit. 16 is mainly composed of a locking member 200 that engages with the bent portion 20a of the bottom frame 20 and a shaft portion 300 that penetrates the locking members 100, 200 when the label issuing device 16 is accommodated inside the label issuing device main body 10. A locking mechanism is provided. When one of the printer units 15 and 16 is pulled out from the inside of the label issuing device main body 10, this locking mechanism locks the other printer unit inside the label issuing device main body 10. However, it is intended not to be pulled out.

  Here, details of the locking mechanism will be described. First, the locking members 100 and 200 constituting the locking mechanism will be described.

  FIG. 5 is a perspective view showing details of the locking member 100. As shown in FIG. 5, the locking member 100 has an end portion 101 formed by bending one end portion of the plate-like member 103 in a substantially vertical direction with respect to the plate-like member 103, and the other end portion as an end. An end portion 102 that is bent in the same direction as the portion 101 is formed. The end portion 101 is provided with an engaging portion 101 a that is formed in an L shape of approximately 90 degrees downward and engages with the bent portion 19 a of the printer unit 15 to lock the printer unit 15. Further, the end portion 101 is formed with a hole portion 105 through which the shaft portion 300 passes. The end portion 102 is provided with an abutting portion 102 a that is inclined with respect to the plate-like member 103 and is pressed by the bent portion 20 a of the printer unit 16 accommodated inside the label issuing apparatus main body 10. . In addition, the end portion 102 is also formed with a hole portion 104 through which the shaft portion 300 passes.

  FIG. 6 is a perspective view showing details of the locking member 200. As shown in FIG. 6, the locking member 200 has an end portion obtained by bending one end portion of the plate-like member 203 in a substantially vertical direction with respect to the plate-like member 203, similarly to the locking member 100 in FIG. 5. 201 is formed, and an end 202 is formed by bending the other end in the same direction as the end 201. The end portion 201 is provided with an engaging portion 201 a that is formed in an L shape of approximately 90 degrees downward and engages with the bent portion 20 a of the printer unit 16 to lock the printer unit 16. Further, the end portion 201 is formed with a hole portion 205 through which the shaft portion 300 passes. The end portion 202 is provided with an abutting portion 202 a that is formed to be inclined with respect to the plate-like member 203 and is pressed by the bent portion 19 a of the printer unit 15 accommodated inside the label issuing apparatus main body 10. . Also, the end portion 202 is formed with a hole portion 204 through which the shaft portion 300 passes.

  In the locking member 200, the plate-like member 203 is formed longer than the plate-like member 103 in the locking member 100, and the end portion 201 and the end portion 202 are similarly formed in the end portion 101 and the end portion in the locking member 100. It is longer than 102. That is, the locking member 200 is made slightly larger than the locking member 100.

  FIG. 7 is a diagram showing details of the locking mechanism. As shown in FIG. 7, the locking mechanism houses the locking member 100 inside the locking member 200, and the holes 104 and 105 of the locking member 100 and the holes 204 and 205 of the locking member 200. And the shaft part 300 penetrates through. Thus, the locking member 100 and the locking member 200 are rotatable in the R1 direction and the R2 direction opposite to the R1 direction with the shaft portion 300 as the same rotation axis. The locking members 100 and 200 are kept at a distance so as not to come into contact with the locking member 200 even when the locking member 100 rotates about the shaft portion 300 as a rotation axis. Further, the locking members 100 and 200 are urged in the R2 direction by the springs 310 and 320.

  Next, the operation of the locking mechanism when the printer unit 15 is pulled out from the inside of the label issuing apparatus main body 10 will be described. FIG. 8 is a diagram illustrating a state in which the printer units 15 and 16 are accommodated in the label issuing apparatus main body 10. FIG. 9 is a side view of the locking mechanism of FIG. 8 from the printer unit 15 side.

  First, since the abutting portion 202 a of the end portion 202 of the locking member 200 is pressed against the bent portion 19 a of the bottom frame 19 of the printer unit 15, the locking member 200 is subjected to the urging force in the R2 direction by the spring 320. It is opposed to rotate in the R1 direction. Since the engaging member 201a of the end 201 of the locking member 200 also rotates in the R1 direction by the rotation of the locking member 200 in the R1 direction, the engaging portion 201a is connected to the bottom frame 20 of the printer unit 16. It is not engaged with the bent portion 20a. Accordingly, the printer unit 16 can be pulled out from the inside of the label issuing apparatus main body 10.

  Similarly, the abutting portion 102 a of the end portion 102 of the locking member 100 is pressed against the bent portion 20 a of the bottom frame 20 of the printer unit 16, so that the locking member 100 is biased in the R2 direction by the spring 310. Is rotating in the R1 direction. Since the engaging member 101a of the end 101 of the locking member 100 is also rotated in the R1 direction by the rotation of the locking member 100 in the R1 direction, the engaging portion 101a is connected to the bottom frame 19 of the printer unit 15. It is not engaged with the bent portion 19a. Accordingly, the printer unit 15 can be pulled out from the inside of the label issuing apparatus main body 10 (see FIG. 9).

  That is, when the printer units 15 and 16 are accommodated in the label issuing apparatus main body 10, both the printer units 15 and 16 can be pulled out from the label issuing apparatus main body 10.

  Further, a magnet (not shown) is attached in the vicinity of the locking mechanism of the base portion 22, and the front end portion in the accommodation direction of the printer units 15 and 16 and the base portion 22 are held so as to be attracted by a magnetic force. Accordingly, when the printer units 15 and 16 are accommodated in the label issuing apparatus main body 10, the printer units 15 and 16 are pulled out from the label issuing apparatus 10 unless the operator pulls the printer units 15 and 16. There is no.

  Next, the case where the printer unit 15 is pulled out from the inside of the label issuing apparatus main body 10 will be described. FIG. 10 is a diagram illustrating a state in which the printer unit 15 has started to be pulled out from the inside of the label issuing apparatus main body 10.

  As shown in FIG. 10, first, when the printer unit 15 starts to be pulled out, the abutting portion 202 a of the end portion 202 of the locking member 200 is released from being pressed by the bent portion 19 a of the bottom frame 19 of the printer unit 15. Therefore, the locking member 200 is rotated in the R2 direction by the biasing force in the R2 direction by the spring 320. Then, as the engaging member 200 rotates in the R2 direction, the engaging portion 201a of the end 201 of the engaging member 200 also rotates in the R2 direction, so that the engaging portion 201a is connected to the bottom frame 20 of the printer unit 16. Engages with the bent portion 20a. As a result, the locking member 200 locks the printer unit 16 inside the label issuing apparatus main body 10 so that it cannot be pulled out.

  In this case, since the printer unit 16 is locked inside the label issuing apparatus main body 10 and cannot be pulled out, the contact portion 102 a of the end portion 102 of the locking member 100 is caused by the bent portion 20 a of the bottom frame 20 of the printer unit 16. The pressed state is maintained, and the locking member 100 remains rotated in the R1 direction against the urging force in the R2 direction by the spring 310. Accordingly, the engaging portion 101a of the locking member 100 maintains a state where it is not engaged with the bent portion 19a of the bottom frame 19 of the printer unit 15.

  As described above, when the printer unit 15 is pulled out from the inside of the label issuing apparatus main body 10, the printer unit 16 is locked by the locking member 200 and cannot be pulled out from the inside of the label issuing apparatus main body 10. It becomes a state. That is, the printer unit 15 and the printer unit 16 are not pulled out from the inside of the label issuing apparatus body 10 at the same time.

  The case where the printer unit 15 is pulled out from the inside of the label issuing apparatus main body 10 has been described above, but the same applies to the case where the printer unit 16 is pulled out. This will be described below without using the drawings.

  First, when the printer unit 16 starts to be pulled out, the abutting portion 102a of the end portion 102 of the locking member 100 is released from being pressed by the bent portion 20a of the bottom frame 20 of the printer unit 16. The spring 310 is rotated in the R2 direction by the urging force in the R2 direction by the spring 310. Then, as the locking member 100 rotates in the R2 direction, the engaging portion 101a of the end portion 101 of the locking member 100 also rotates in the R2 direction, so that the engaging portion 101a is connected to the bottom frame 19 of the printer unit 15. Engages with the bent portion 19a. As a result, the locking member 100 locks the printer unit 15 inside the label issuing apparatus main body 10 so that it cannot be pulled out.

  In this case, since the printer unit 15 is locked inside the label issuing apparatus main body 10 and cannot be pulled out, the contact portion 202 a of the end portion 202 of the locking member 200 is formed by the bent portion 19 a of the bottom frame 19 of the printer unit 15. The pressed state is maintained, and the locking member 200 remains rotated in the R1 direction against the urging force in the R2 direction by the spring 320. Accordingly, the engaging portion 201a of the locking member 200 maintains a state where it is not engaged with the bent portion 20a of the bottom frame 20 of the printer unit 16.

  As described above, when the printer unit 16 is pulled out from the inside of the label issuing apparatus body 10, the printer unit 15 is locked by the locking member 100 and cannot be pulled out from the inside of the label issuing apparatus body 10. It becomes a state. That is, the printer unit 15 and the printer unit 16 are not pulled out from the inside of the label issuing apparatus body 10 at the same time.

  Next, the operation of the locking mechanism when the printer units 15 and 16 are both pulled out simultaneously from the inside of the label issuing apparatus main body 10 will be described. When the printer units 15 and 16 are started to be pulled out at the same time, the printer unit 15 is started to be pulled out, thereby releasing the pressing of the locking member 200 on the contact portion 202a by the bent portion 19a of the bottom frame 19 and releasing the locking member 200. Rotates in the R2 direction. When the locking member 200 rotates in the R2 direction, the engaging portion 201a of the locking member 200 is engaged with the bent portion 20a of the bottom frame 20 of the printer unit 16 that has started to be pulled out at the same time, and the printer unit 16 is labeled. Locked inside the issuing device body 10.

  This is because the end portion 201 has a play of the distance L2 shown in FIG. 10, so that the printer unit 16 that has started to be pulled out can be locked. That is, even if the printer unit 16 starts to be pulled out, there is a distance of L2 before the bent portion 20a and the engaging portion 201a come into contact with each other. Accordingly, even when the printer unit 16 is started to be pulled out, the engaging portion 201a is bent along with the rotation of the locking member 200 in the R2 direction when the printer unit 15 is pulled out before the distance L2 is pulled out. If it is engaged with the portion 20a, the printer unit 16 that has started to be pulled out can be locked.

  Similarly, when the printer units 15 and 16 are started to be pulled out at the same time, the printer unit 16 starts to be pulled out, so that the pressing of the locking member 100 on the contact portion 102a by the bent portion 20a of the bottom frame 20 is released. The stop member 100 rotates in the R2 direction. When the locking member 100 is rotated in the R2 direction, the engaging portion 101a of the locking member 100 is engaged with the bent portion 19a of the bottom frame 19 of the printer unit 15 which is started to be pulled out at the same time, and the printer unit 15 is labeled. Locked inside the issuing device body 10.

  Similarly to the above, since there is play for the distance L1 shown in FIG. 10 at the end portion 101, the printer unit 15 that has started to be pulled out can be locked. That is, even if the printer unit 15 is started to be pulled out, there is a distance of L1 before the bent portion 19a and the engaging portion 101a come into contact with each other. Therefore, even when the printer unit 15 is started to be pulled out, the engaging portion 101a is bent along with the rotation of the locking member 100 in the R2 direction due to the printer unit 16 being pulled out before the distance L1 is pulled out. When engaged with the portion 19a, the printer unit 15 that has started to be pulled out can be locked.

  That is, when both the printer units 15 and 16 are to be pulled out from the inside of the label issuing apparatus main body 10 at the same time, the pressing from the printer unit 16 to the contact portion 102a of the locking member 100 and the locking from the printer unit 15 are performed. Since the pressing of the member 200 against the contact portion 202a is released, the printer units 15 and 16 are locked to each other by the locking members 100 and 200 and cannot be pulled out from the inside of the label issuing apparatus main body 10.

  Further, the printer unit 16 is pulled out from the inside of the label issuing apparatus main body 10 and the printer unit 15 is locked by the engaging portion 101a of the locking member 100. May have been pulled out to a distance L1 minutes.

  In such a case, when the printer unit 16 is accommodated in the label issuing device main body 10, the contact portion 102a of the locking member 100 is pressed by the bent portion 20a of the printer unit 16, and the locking member 100 is moved in the R1 direction. Rotate. When the locking member 100 rotates in the R1 direction, the engaging portion 101a of the end portion 101 also rotates in the R1 direction, pulling the bent portion 19a of the printer unit 15 from which the engaging portion 101a is pulled out to the distance L1. The printer unit 15 is also completely accommodated inside the label issuing apparatus main body 10. That is, when the printer unit 16 is accommodated in the label issuing apparatus body 10, not only the printer unit 16 but also the printer unit 15 can be completely accommodated in the label issuing apparatus body 10 at the same time.

  This is because the printer unit 15 is pulled out from the inside of the label issuing apparatus main body 10 and the printer unit 16 is locked by the engaging portion 201a of the locking member 200. The same applies to the case where the distance is drawn up to the distance L2 in FIG.

  As described above, in the label issuing device according to the present embodiment, the two printer units 15 and 16 are provided so as to be freely drawn out in the horizontal direction, and one printer unit is drawn out from the inside of the label issuing device main body 10. If it is, the other printer unit is locked by a locking mechanism so that it cannot be pulled out from the inside of the label issuing apparatus main body 10. Therefore, since the printer units 15 and 16 are not pulled out from the inside of the label issuing apparatus main body 10 at the same time, the label issuing apparatus does not tilt toward the drawn printer unit side, and the label issuing apparatus can be prevented from falling. it can.

  Moreover, the label issuing apparatus of this Embodiment rotates the locking member 100 and the locking member 200 by the same rotating shaft by making the locking member 100 and the locking member 200 penetrate the shaft part 300. And the number of parts of the apparatus can be reduced. Further, in the label issuing device of the present embodiment, the end of the bottom frame 19 of the printer unit 15 is bent to form a bent portion 19a, and similarly, the end of the bottom frame 20 of the printer unit 16 is bent. Since the bent portion 20a is formed, it is not necessary to separately provide the bent portions 19a and 20a, and the number of parts of the apparatus can be further reduced.

DESCRIPTION OF SYMBOLS 10 Label issuing apparatus main body 11 Display 12 Keyboard 13 Measuring part 15, 16 Printer unit 17, 18 Label issuing port 19 Bottom frame 19a Bending part 20 Bottom part frame 20a Bending part 22 Base part 100, 200 Locking member 101a, 201a Engaging part 101, 201 End portion 102, 202 End portion 102a, 202a Contact portion 103, 203 Plate member 104, 105, 204, 205 Hole portion 300 Shaft portion 310, 320 Spring

JP-A-63-294339

Claims (1)

A first printing unit that contains a print medium to be printed by the printing unit and can be pulled out and housed in a predetermined direction from the apparatus main body;
A second printing unit that is arranged in parallel with the first printing unit, accommodates the printing medium, and can be pulled out and housed from the apparatus main body in the same direction as the drawing direction of the first printing unit;
A locking mechanism for locking the other printing unit in the apparatus main body when either one of the first printing unit and the second printing unit is pulled out from the apparatus main body;
Equipped with a,
The locking mechanism is
A first locked portion formed by bending a leading end portion of the first printing unit in the housing direction in the apparatus main body;
A second locked portion formed by bending a leading end portion of the second printing unit in the housing direction in the apparatus main body in the same direction as the first locked portion;
When the second printing unit housed in the apparatus main body is rotated by the second locked portion of the second printing unit through the rotation shaft in the first direction and pulled out from the apparatus main body, A first abutting portion that rotates via the rotation shaft in a second direction opposite to the first direction by releasing the pressing by the second locked portion;
When the second printing unit is pulled out from the apparatus main body, the first abutting portion is rotated in the second direction through the rotation shaft along with the release of the pressing of the second locked portion. The first contact portion is engaged with the first locked portion, and the second printing unit is accommodated in the apparatus main body, so that the first abutting portion is pressed in the first direction when the second locked portion is pressed. A first locking portion for releasing engagement with the first locked portion by rotation through the rotation shaft of
A first plate-like member in which the first locking part is provided at one end and the first contact part is provided in the other end;
A first locking member having
The first engagement of the first printing unit housed in the apparatus main body via the same rotation shaft as the rotation shaft for rotating the first contact portion in the first direction and the second direction. A second contact that rotates in the first direction by the pressing by the stopping portion and rotates in the second direction by releasing the pressing by the first locked portion of the first printing unit pulled out from the apparatus main body. The tangent,
The first print unit is pulled out from the apparatus main body through the same rotation shaft as the rotation shaft that rotates the first locking portion in the first direction and the second direction. The second contact portion is engaged with the second locked portion by the rotation of the second contact portion in the second direction when the locking portion is released, and the first printing unit is accommodated in the apparatus main body. A second locking portion for releasing the engagement with the second locked portion by rotation of the second contact portion in the first direction accompanying the pressing of the first locked portion by
The first locking member is formed longer than the first plate-like member, the second locking portion is provided at one end, and the second contact portion is provided at the other end. A second plate member,
A second locking member having
The printing apparatus is characterized in that the first locking member is housed inside the second locking member .

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