JP4923895B2 - Tape printer - Google Patents

Description

  The present invention relates to a tape printing apparatus in which a roll sheet holder around which a long roll sheet is wound is supported in a removable state.

2. Description of the Related Art Various types of tape printers have been proposed in the past in which a pressing unit is provided that presses a roll sheet holder or tape cassette supported in a detachable manner in a main body casing by closing a lid.
For example, a pair of long pressing members, which are long pressing parts, are provided on the inner side of a synthetic resin lid, and the lower ends of the pressing members abut against the tape cassette by closing the lid. There is a tape printing apparatus configured to support the tape cassette in a horizontal state (see, for example, Patent Document 1).
JP 2006-56263 A (paragraphs (0025) to (0030), FIGS. 4 and 8 to 14)

  However, in the configuration described in Patent Document 1 described above, each pressing body requires a strict dimensional accuracy, which increases the manufacturing cost. Moreover, when each pressing body is configured to be urged by a spring and retracted in the lid side direction, there is a problem that the structure becomes complicated and the number of parts increases.

  Therefore, the present invention has been made to solve the above-described problems, and without requiring a dimensional accuracy and with a simple configuration, the roll sheet holder can be stably held when the upper cover is closed. An object of the present invention is to provide a tape printer capable of pressing.

In order to achieve the above object, a tape printer according to claim 1 includes a support mechanism for supporting a roll sheet holder around which a long roll sheet is wound in a main body casing in a detachable state, and the main body casing. An upper cover that is attached to the upper edge of the rear side so as to be openable and closable and covers the upper side of the roll sheet holder, wherein the support mechanism has a width direction of an insertion slot into which the roll sheet is inserted A positioning support member erected on one side edge of the bottom surface portion facing one side, a positioning groove provided on the positioning support member and opening upward in the width direction and opening on both sides in the width direction; The roll sheet holder is provided with a reference-side holding member that is in contact with one end surface of the roll sheet, and a vertically long projection at a substantially central portion in the left-right direction of the outer side surface of the reference-side holding member. And A positioning rib portion for positioning the roll sheet holder with respect to the tape printer by being fitted into the positioning groove when the roll sheet holder is mounted, and the upper cover includes the positioning support member When the upper cover is closed, it has a thin flat plate-shaped holder pressing part that protrudes inward from the inner side surface facing to the inner side so as to be horizontal when the upper cover is closed. , and abuts against the upper end portion of the one side end face in the thickness direction of the holder holding portion is fitted into the positioning support member the positioning rib portion, the tip portion of the holder pressing portion is deformed bends vertically It is characterized by that.

The tape printer according to claim 2 is the tape printer according to claim 1, wherein the upper cover includes a platen roller rotatably supported on the lower side of the front end, When the upper cover is closed, a thermal head is disposed so as to be in contact with the platen roller and urged upward. When the upper cover is closed, the platen roller is moved to the roll. the sheet was pressed and urged to the thermal head and said printable and Do Rukoto.

  Furthermore, the tape printer according to claim 3 is the tape printer according to claim 1 or 2, wherein a sheet discrimination sensor disposed on a bottom surface portion of the base end portion on the roll sheet holder side of the positioning support member is provided. The roll sheet holder is formed in the sheet determining unit extending from the lower end edge of the reference side holding member so as to face the outer peripheral surface of the roll sheet, and the sheet determining unit. A roll sheet specifying portion that specifies the type of the roll sheet in cooperation with the sensor, and when the positioning rib portion is inserted into the positioning groove portion, the roll sheet specifying portion is inserted via the sheet discrimination sensor. It can be detected.

In the tape printer according to claim 1, the roll sheet holder around which the long roll sheet is wound has a positioning rib portion protruding from the outer end surface portion of the reference holding member, and the bottom portion of the tape printing device. The roll sheet holder is positioned with respect to the tape printing device by being positioned and fitted into a positioning groove provided on a positioning support member standing on the edge of one side and opening upward, and the roll sheet holder is It is detachably supported in the printing apparatus. Further , a thin plate-like holder pressing portion with a predetermined width projects from the inner side surface portion facing the positioning support member of the upper cover in the inner direction so as to become horizontal when the upper cover is closed . When closing the top cover, the one end face in the thickness direction of the holder holding portion provided in the upper cover, to abut the upper end of the positioning rib portion that is fitted to the positioning support member, The tip of the holder pressing part is bent and deformed in the vertical direction .

Thereby, when a roll sheet on which roll sheets of various width dimensions are wound is mounted in the tape printer, the holder pressing portion provided on the upper cover is inserted into the positioning support member in any case. Since it abuts on the upper end of the positioning rib, it is possible to stably hold the roll sheet holder via the holder pressing portion, and reliably prevent the roll sheet holder from being lifted or rattled when the roll sheet is pulled out. It becomes possible.
Further, the holder pressing portion is formed in a flat plate shape having a predetermined width from the inner side surface portion facing the positioning support member of the upper cover, and protrudes inward so as to become horizontal when the upper cover is closed. Yes . For this reason, when the upper cover is closed, if the holder pressing part comes into contact with the upper end of the positioning rib of the roll sheet holder, the tip of the holder pressing part is bent and deformed with a small pressing force. possible and would, without the need for a biasing member such as a spring for contact with the positioning rib the holder holding unit, also be lower the dimensional accuracy of the holder pressing portions, simple via the holder holding unit With a simple configuration, the roll sheet holder can be reliably and stably pressed.

Further, in the tape printer according to claim 2, when the upper cover is closed, the platen roller presses the roll sheet against the thermal head to enable printing, so that the roll sheet holder can be easily attached. It can be in a printable state.

  Furthermore, in the tape printer according to claim 3, when the positioning rib portion protruding from the outer end surface portion of the reference side holding member of the roll sheet holder is fitted in the positioning groove portion, this positioning support is provided. Formed in a sheet discriminating portion that extends from the lower end edge of the reference side holding member to face the outer peripheral surface of the roll sheet via a sheet discriminating sensor disposed on the bottom surface portion of the roll sheet holder side base end portion of the member The type of roll sheet can be specified by detecting the roll sheet specifying unit.

  As a result, the positioning rib portion of the roll sheet holder is aligned with the positioning groove portion, and then the upper cover is closed, so that the upper end portion of the positioning rib portion is stably held by the holder pressing portion provided on the upper cover. Since it can be pressed, when the roll sheet is pulled out, it is surely prevented from lifting or rattling from the sheet discrimination sensor of the roll sheet identification portion formed in the sheet discrimination portion provided at the lower edge of the reference side holding member. Thus, it is possible to accurately specify the type of roll sheet.

  Hereinafter, a tape printer according to the present invention will be described in detail with reference to the drawings based on an embodiment embodying the present invention.

First, a schematic configuration of a tape printer to which a roll sheet holder according to the present embodiment is mounted will be described with reference to FIGS.
As shown in FIGS. 1 to 6, the tape printer 1 includes a roll sheet holder in which a main body housing 2 and an indefinite length roll sheet 3 </ b> A (hereinafter referred to as “roll sheet 3 </ b> A”) having a predetermined width are wound. 3 is accommodated in the roll sheet holder accommodating portion 4, and the upper portion is covered with an upper cover 5 made of resin that is attached to the upper edge of the rear side so as to be freely opened and closed. Further, a transparent resin see-through window 5A is formed on the upper surface portion of the upper cover 5 so that the roll sheet 3A attached to the holder housing portion 4 can be confirmed.
Further, a power button 7A is pressed at one side end portion (right end edge in FIG. 1) of the front side of the upper cover 5, and a feed button 7B that discharges the roll sheet 3A in the transport direction while being pressed is pressed. The cutter unit 8 covered with the front cover 6 is driven to cut the roll sheet 3A and the cut button 7C. Further, the front cover 6 is formed with a sheet discharge port 6A for discharging the printed roll sheet 3A to the outside.

  In addition, an inlet 9 to which a power cord (not shown) is connected to one side end is disposed on the back surface of the main body housing 2, and a blower fan (not illustrated) is disposed on the side of the inlet 9. Further, a USB (Universal Serial Bus) connector 10 and a connection connector 11 connected to a personal computer (not shown) are provided at the other side end.

  Here, as shown in FIG. 5, this roll sheet 3 </ b> A includes a long heat-sensitive sheet (so-called thermal paper) 3 </ b> C having self-coloring properties, and an adhesive layer 3 </ b> D on the back side of the heat-sensitive sheet 3 </ b> C. The release paper 3E is laminated and wound so that the printing surface of the heat sensitive sheet 3C is on the inside.

  As shown in FIGS. 3, 4, and 6, the tape printer 1 is configured so that one side edge portion in the direction substantially perpendicular to the conveying direction of the roll sheet holder storage portion 4 (on the right side in FIG. 3). A holder support member 15 that can be fitted with an attachment member 13 having a substantially rectangular cross section that protrudes outward from the positioning holding member 12 that constitutes the roll sheet holder 3 is provided at the end edge portion). The holder support member 15 is formed with a first positioning groove portion 16 that is open in the upper direction in the width direction and that is open in both sides in the width direction.

  Further, the guide member 20 that extends substantially horizontally from the rear end edge portion of the insertion port 18 into which the roll sheet 3A is inserted to the front upper end edge portion of the roll sheet holder storage portion 4 and constitutes the roll sheet holder 3 described later. A placement portion 21 on which the tip portion is placed is provided. In addition, seven second positioning groove portions 22A to 22G having a substantially L-shaped cross section corresponding to a plurality of width dimensions of the roll sheet 3A are formed at the edge corners on the rear side in the transport direction of the placement portion 21. Has been. As shown in FIG. 5, each of the second positioning groove portions 22 </ b> A to 22 </ b> G is formed so that the lower end portion of the tip contacting the mounting portion 21 of the guide member 20 constituting the roll sheet holder 3 can be fitted from above. Has been.

  In addition, a positioning recess 4A having a horizontally long rectangular shape in a plan view from the inner base end of the holder support member 15 to the side face base end facing the roll support holder 15 is substantially perpendicular to the transport direction. It is formed with a depth (in this embodiment, it is a depth of about 1.5 to 3 mm). The width direction of the positioning recess 4 </ b> A is formed so as to be substantially equal to the width dimension of the lower end edge portions of the positioning holding member 12 and the guide member 20 constituting the roll sheet holder 3. Further, a portion of the positioning concave portion 4A facing the later-described sheet discriminating portion 60 (see FIG. 7) that extends from the lower end edge of the positioning holding member 12 in a substantially perpendicular inner direction at the inner base end portion of the holder support member 15. However, a discrimination recess having a vertically long plan view rectangular shape in the conveying direction formed to be deeper than the positioning recess 4A by a predetermined depth (in the present embodiment, a depth of about 1.5 to 3 mm). 4B is formed.

The discrimination recess 4B is composed of a push-type microswitch or the like, and has six sheet discrimination sensors P1, P2 for discriminating the type of the roll sheet 3A, the material of the thermal sheet 3C, the roll sheet width, and the like. , P3, P4, P5, and P6 are provided in an L shape. FIG. 6 shows five sheet discrimination sensors P1 to P5.
Each of the sheet discrimination sensors P1 to P6 is a known mechanical switch including a plunger and a micro switch, and the upper end of each plunger extends from the bottom of the discrimination recess 4B to the bottom of the positioning recess 4A. It is provided so that it may protrude to the part vicinity. And each sensor hole 60A-60F mentioned later formed in sheet discriminating part 60 extended in the substantially right-angle inside direction from the lower end edge part of positioning holding member 12 to each sheet discriminating sensor P1-P6 (refer to Drawing 7). ) Is detected, and the type of the roll sheet 3A attached to the roll sheet holder 3, the material of the heat sensitive sheet 3C, the roll sheet width, and the like are detected by the on / off signal.

  In the case of the present embodiment, the plungers of the sheet discrimination sensors P1 to P6 always protrude from the bottom of the discrimination recess 4B to the vicinity of the bottom of the positioning recess 4A, and the microswitch is turned off. ing. And when each sensor hole 60A-60F of the sheet | seat discrimination | determination part 60 exists in the position which opposes each sheet | seat discrimination | determination sensor P1-P6, since a plunger is not pressed down but a micro switch is in an OFF state, an OFF signal is sent. On the other hand, when the sensor holes 60A to 60F of the sheet determination unit 60 are not located at positions facing the sheet determination sensors P1 to P6, the plunger is pressed and the micro switch is turned on. An ON signal is output. Accordingly, when the sheet discrimination sensors P1 to P6 output 6-bit “0” and “1” signals and all the sheet discrimination sensors P1 to P6 are in the off state, that is, the roll sheet holder 3 is not mounted. In this case, a 6-bit “000000” signal is output.

  Further, the side edge (on the right edge in FIG. 3) of the insertion port 18 on the holder support member 15 side is formed at a position facing the inner end surface of the positioning member 12 fitted into the holder support member 15. . In addition, a guide wall surface standing up to the rear end portion of the mounting portion 21 is formed at the side edge portion of the insertion port 18 on the holder support member 15 side, and the upper surface portion of the roll sheet 3A is A guide portion 23 extending a predetermined width in the width direction is formed so as to cover, and the roll sheet 3A is inserted.

  A platen roller 26 is rotatably supported on the lower side of the front end portion of the upper cover 5. The thermal head 31 is fixed to the upper surface of the head support member 32 that is biased upward by the pressing spring 24. Further, the rear edge portion of the head support member 32 with respect to the transport direction is supported by the back surface portion of the frame 33 so as to be swingable in the vertical direction. In addition, a guide portion 34 having a predetermined width (about 15 mm in the present embodiment) extending outward is formed at the front edge of the frame 33 at the center of the edge of the head support member 32 on the front side in the transport direction. The guide hole 35 is formed so as to be movable in the vertical direction.

  By closing the upper cover 5, the platen roller 26 presses and urges the roll sheet 3 </ b> A against the thermal head 31 that is urged upward by the pressing spring 24, so that printing is possible. Further, when the upper cover 5 is closed, the respective color members 25 and 25 that are rotatably fitted on the outer circumferences of both end portions of the roller shaft 26A of the platen roller 26 are urged rearward in the transport direction. Locked to the inverted L-shaped claw portions 28, 28. A gear 26B is fixed to the edge of the roller shaft 26A on the holder support member 15 side. When the upper cover 5 is closed, the gear 26B is engaged with a gear train (not shown), and the platen roller 26 is moved to the stepping motor. It becomes a state which can be rotationally driven by a sheet feed motor (not shown) constituted by the like.

Further, by pushing up the release knobs 27, 27 provided on the left and right side wall portions of the main body housing 2, the locking claws 28, 28 are rotated forward in the conveying direction against the urging force. The locking with the collar member 25 is released. As a result, the platen roller 26 is urged upward by the thermal head 31, and the upper cover 5 is slightly lifted upward to be in an openable state.
A control circuit unit that drives and controls each mechanism unit according to a command from an external personal computer or the like is formed on the lower side of the roll sheet holder storage unit 4 and each sheet determination sensor P1 to P6 is disposed. A control board 36 is provided (see FIG. 8). Further, a power supply substrate 37 on which a power supply circuit unit is formed is provided below the frame 33. The control board 36 and the power supply board 37 are covered with a bottom cover 38 made of a thin steel plate (in this embodiment, made of a steel plate such as SPCC having a thickness of about 0.5 mm) screwed to the bottom surface portion. ing.

Next, a schematic configuration of the roll sheet holder 3 will be described with reference to FIGS.
As shown in FIGS. 7 and 8, the roll sheet holder 3 to which the roll sheet 3A wound around the core 3B is mounted is configured as follows. That is, the first cylinder portion 20A that is erected on the inner surface of the guide member 20 is fitted into the end edge portion of the cylindrical hole of the core 3B of the roll sheet 3A, and the roll is formed on the inner surface of the guide member 20 One end surface of the sheet 3 </ b> A is in contact. Further, the second cylindrical portion 12A standing on the inner side surface of the positioning holding member 12 is fitted and inserted into the other end side edge portion of the cylindrical hole of the core 3B of the roll sheet 3A. The other end surface of the roll sheet 3A is in contact with the side surface. Then, the flange portion 40A, which is inserted into the first cylindrical portion 20A of the guide member 20 and formed on the outer peripheral portion of the one end side end surface, is fixed to the outer end surface of the first cylindrical portion 20A, that is, the outer end surface of the guide member 20. In addition, an end portion on the other end side is provided with a substantially cylindrical holder shaft member 40 that is fitted into the second cylindrical portion 12A of the positioning holding member 12 and is fixed to the second cylindrical portion 12A. Therefore, by changing the length dimension of the holder shaft member 40, a plurality of types of roll sheet holders 3 to which roll sheets 3A having different width dimensions are mounted can be easily manufactured.

  Further, the guide member 20 extends downward from the lower outer peripheral portion of the outer end surface of the first cylindrical portion 20A and is fitted into a positioning recess 4A formed on the bottom surface portion of the roll sheet holder storage portion 4. Thus, a first extending portion 42 is formed in contact with the bottom surface of the positioning recess 4A. Further, the guide member 20 is formed with a second extending portion 43 extending in the outer direction so as to cover the outer end surface portion on the substantially ¼ circumference in the front direction of the roll sheet 3A. In addition, a third extending portion 44 is formed in which the upper end edge portion extends from the outer peripheral portion of the second extending portion 43 to the placement portion 21 in a forward downward manner. The lower end surface of the third extending portion 44 is formed substantially horizontally, and the lower end portion 45 on the front end side is fitted into one of the second positioning groove portions 22A to 22G facing the sheet width of the mounted roll sheet 3A. (See FIGS. 3 and 4). Moreover, it is comprised so that the one side edge part of the roll sheet 3A with which the inner surface of this 3rd extension part 44 was mounted | worn may be guided to the insertion port 18 (refer FIG. 4).

Further, the core 3B in which the roll sheet 3A is wound by the first cylindrical portion 20A erected on the inner side surface of the guide member 20 and the second cylindrical portion 12A erected on the inner side surface of the positioning holding member 12 is provided. Is held rotatably. The holder shaft member 40 is provided with a plurality of types of length dimensions (seven types in this embodiment) corresponding to the length dimensions of the core 3B of the roll sheet 3A.
Further, the outer end surface portion of the positioning member 12 is substantially at the center in the transport direction (left and right direction in FIG. 9B), that is, from the end edge portion of the axis of the holder shaft member 40 to the axis. As shown, a vertically long mounting member 13 having a substantially rectangular cross section is provided in the up-down direction. The mounting member 13 is formed so as to be narrow in the downward direction when viewed from the front (upward in FIG. 9B), and the first positioning is narrow in the downward direction of the holder support member 15 of the tape printer 1. It is formed in the groove portion 16 so as to be in close contact. Further, the protruding height dimension of the mounting member 13 is formed substantially equal to the width dimension of the first positioning groove 16.

Also, the lower end portion of the attachment member 13 of the positioning member 12 has a predetermined length in the lateral direction from the lower end portion of the attachment member 13 (in the present embodiment, it is about 1.5 mm to 3 mm). A projecting guide portion 57 having a substantially rectangular flat plate shape (in the present embodiment, a thickness dimension of about 1.5 mm to 3 mm) is formed. Thus, when the roll sheet holder 3 is mounted, the mounting member 13 is placed in the first positioning groove portion 16 while the guide portion 57 formed at the lower end portion of the mounting member 13 is brought into contact with the outer end surface of the holder support member 15. By inserting, the roll sheet holder 3 can be mounted while being positioned easily.
Further, the lower end edge of the extending portion 56 of the positioning member 12 protrudes in a lower direction than the lower end edge of the guide member 20 by a predetermined length (in the present embodiment, about 1 mm to 2.5 mm). In addition, a substantially rectangular sheet discriminating portion 60 is formed at the lower edge of the lower end so as to extend a predetermined length in a substantially perpendicular inner direction.

Further, as shown in FIG. 9B, in the sheet discriminating unit 60, as described above, the sensor holes 60A to 60F are substantially L-shaped at predetermined positions facing the sheet discriminating sensors SP to P6. Arranged and drilled. 9B shows a state in which the sensor holes 60A to 60D and 60F among the sensor holes 60A to 60F are formed in the sheet determination unit 60.
As a result, each of the sensor holes 60A to 60F is formed with a maximum of 5 of the 6 holes, so that the presence or absence of each sensor corresponds to “1” and “0”. The type of the mounted roll sheet 3A, the material of the heat sensitive sheet, the roll sheet width, etc. can be displayed by a 6-bit code from “000001” to “111111”. The 6-bit code “000000” indicates that the roll sheet holder 3 is not attached.

Next, a holder pressing portion provided on the upper cover 5 and pressing the roll sheet holder 3 will be described with reference to FIGS. 3, 4, 6 and 8.
As shown in FIGS. 3, 4 and 8, the upper cover 5 includes an upper cover main body 5B, a substantially circular left cover member 5C fixed to the left and right of the upper cover main body 5B by screws or the like, and a right side. It is comprised from cover member 5D.

Further, the inner surfaces of the left cover member 5C and the right cover member 5D are opposed to the upper end surface of the mounting member 13 of the roll sheet holder 3 mounted in the roll sheet holder storage portion 4 when the upper cover 5 is closed. Reinforcing ribs 62, 63 are erected in the horizontal position over almost the entire width.
Further, at a position facing the upper end surface of the mounting member 13 of the reinforcing rib 63 erected on the inner side surface of the right cover member 5D, a predetermined width (in this embodiment, about 1.5 of the width dimension of the mounting member 13) is provided. The holder pressing portion 65 having a thin flat plate shape (in this embodiment, a flat plate shape having a thickness of about 1 mm) is horizontally extended in the inner direction. When the upper cover 5 is closed, the holder pressing portion 65 extends inward so that the lower end portion of the tip abuts against the upper end surface of the mounting member 13 and does not abut against the positioning holding member 12. .

  As a result, the roll sheet holder 3 to which the roll sheet 3A wound around the winding core is fitted fits the mounting member 13 of the positioning member 12 into the first positioning groove 16 of the holder support member 15 and the guide member 20. The lower end of the tip is fitted into any one of the second positioning grooves 22A to 22G, and the lower end of the guide member 20 is fitted into and brought into contact with the positioning recess 4A to be detachable from the roll sheet holder storage 4. Attached to. Further, a sheet determination unit 60 provided at the inner lower edge of the positioning member 12 is inserted into the determination recess 4B, and the sheet determination unit 60 facing each of the sheet determination sensors P1 to P6 disposed in the determination recess 4B. It is possible to detect whether each of the sensor holes 60A to 60F is present. That is, the type of the roll sheet 3A mounted on the roll sheet holder 3 can be detected.

  And the guide part provided in the side edge part of the insertion port 18 on the other side edge part of this roll sheet 3A, making one side edge part of the roll sheet 3A contact the inner surface of the guide member 20 23, the sheet is inserted into the insertion port 18 while being in contact with the cover 23, and the upper cover 5 is closed, so that a roll sheet is applied to the line-type thermal head 31 urged upward by the pressing spring 24 as shown in FIG. 3A is pressed and urged to be ready for printing. Further, as shown in FIG. 8, by closing the upper cover 5, the lower surface of the holder pressing portion 65 extending inside the right cover member 5 </ b> D is brought into contact with the upper end surface of the mounting member 13, and the roll sheet holder 3. The positioning holding member 12 is pushed downward.

  Thereafter, the platen roller 26 is rotationally driven by a sheet feed motor (not shown) constituted by a stepping motor or the like, and the thermal head 31 is driven and controlled, whereby the printing surface of the thermal sheet 3C is conveyed while the roll sheet 3A is being conveyed. The image data can be printed sequentially. When the cut position on the rear side in the conveyance direction of the printed roll sheet 3A is conveyed to a position facing the fixed blade 41 of the cutter unit 8, the V-shaped movable blade 42 in front view of the cutter unit 8 is DC A cutting motor 43 (see FIG. 6) composed of a motor or the like reciprocates in the vertical direction, is cut by the fixed blade 41 and the movable blade 42, and is discharged from the sheet discharge port 6A.

  Here, the holder support member 15 functions as a positioning support member. Moreover, the 1st positioning groove part 16 functions as a positioning groove part. Further, the positioning holding member 12 functions as a reference side holding member. Moreover, the attachment member 13 functions as a positioning rib part. Moreover, each sensor hole 60A-60F comprises a roll sheet specific | specification part.

  Therefore, in the tape printer 1 according to the present embodiment, the roll sheet holder 3 around which the roll sheet 3 </ b> A is wound is attached to the attachment member 13 protruding from the outer end surface portion of the positioning holding member 12. The roll sheet holder 3 is positioned in the tape printer 1 by being positioned and fitted into the first positioning groove 16 provided on the holder support member 15 and opening upward. Removably supported. Further, on the inner side surface portion of the upper cover 5 facing the holder support member 15 of the right cover member 5D, when the upper cover 5 is closed, the position facing the upper end surface of the mounting member 13 is at the full width in the horizontal direction. Reinforcing ribs 63 are erected. Further, at a position of the reinforcing rib 63 facing the upper end surface of the attachment member 13, a thin flat plate-like holder pressing portion 65 having a predetermined width extends horizontally in the inner direction. When the upper cover 5 is closed, the lower surface of the tip of the holder pressing portion 65 provided on the right cover member 5D of the upper cover 5 protrudes outside the positioning and holding member 12 fitted in the holder support member 15. It abuts on the upper end surface of the mounting member 13 provided and bends in the vertical direction.

  Thereby, when the roll sheet 3 around which the roll sheet 3A of various width dimensions is wound is mounted in the tape printer 1, the holder pressing portion 65 provided in the upper cover 5 supports the holder in any case. Since it abuts on the upper end portion of the mounting member 13 projecting outside the positioning holding member 12 fitted into the member 15, the roll sheet holder 3 can be stably pressed via the holder pressing portion 65, and the roll It is possible to reliably prevent the roll sheet holder 3 from being lifted or rattled when the sheet 3A is pulled out.

  Further, the holder pressing portion 65 is formed in a flat plate shape with a predetermined width inward from the inner side surface portion facing the upper end portion of the mounting member 13 protruding from the positioning holding member 12 of the upper cover 5. Therefore, when it comes into contact with the upper end of the mounting member 13 projecting from the positioning holding member 12 of the roll sheet holder 3, the tip can be bent and deformed with a small pressing force. Thus, the holder pressing member 65 is not required without a biasing member such as a spring for bringing the holder pressing portion 65 into contact with the upper end portion of the mounting member 13 and the dimensional accuracy of the holder pressing portion 65 is lowered. The roll sheet holder 3 can be reliably and stably pressed through the portion 65 with a simple configuration.

  In addition, the positioning holding member 12 of the roll sheet holder 3 is aligned with the first positioning groove portion 16 and then fitted, and then the upper cover 5 is closed, whereby the mounting member 13 protruding outside the positioning holding member 12 is provided. Since the upper end portion can be stably pressed by the holder pressing portion 65 protruding from the inner surface of the right cover member 5D of the upper cover 5, the lower end edge of the positioning holding member 12 when the roll sheet 3A is pulled out The type of roll sheet 3A can be accurately specified by reliably preventing the sensor holes 60A to 60F formed in the sheet from being lifted and rattling from the sheet determination sensors P1 to P6. It becomes possible.

  In addition, this invention is not limited to the said Example, Of course, various improvement and deformation | transformation are possible within the range which does not deviate from the summary of this invention.

It is an external appearance perspective view from the front side of the tape printer which concerns on a present Example. It is an external appearance perspective view from the rear side of a tape printer. It is a perspective view from the upper right side showing a state in which a roll sheet holder is attached to the tape printer by opening an upper cover. It is a perspective view from the upper left side showing a state in which a roll sheet holder is attached to the tape printer by opening an upper cover. It is a sectional side view which shows the state which mounted | wore the tape printing apparatus with the roll sheet holder. It is the schematic perspective view which looked at the state which opened the upper cover of the tape printer and removed the front cover from the front upper side. It is a figure which shows an example of the roll sheet holder with which the roll sheet was mounted | worn, (A) is a perspective view from upper direction, (B) is a perspective view from the downward direction. FIG. 6 is a cross-sectional view taken along arrow X1-X1 in FIG. 5.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tape printer 2 Main body housing | casing 3 Roll sheet holder 3A Indefinite length roll sheet 4 Roll sheet holder accommodating part 4A Positioning recessed part 4B Determination recessed part 5 Upper cover 5B Upper cover main body 5C Left side cover member 5D Right side cover member 12 Positioning holding member 13 Mounting member 15 Holder support member 16 First positioning groove portion 18 Insertion port 56 Extension portion 60 Sheet discrimination portion 60A-60F Sensor hole 62, 63 Reinforcement rib 65 Holder pressing portion P1-P6 Sheet discrimination sensor

Claims (3)

A support mechanism for detachably supporting a roll sheet holder around which a long roll sheet is wound in the main body casing, and the roll sheet attached to the rear upper edge of the main body casing so as to be freely opened and closed. In a tape printer provided with an upper cover covering the upper side of the holder,
The support mechanism is
A positioning support member that is erected on one side edge of the bottom surface portion so as to face one side in the width direction of the insertion port into which the roll sheet is inserted,
A positioning groove provided on the positioning support member and opening upward in the width direction and opening on both sides in the width direction;
Have
The roll sheet holder is
A reference-side holding member in contact with one end face of the roll sheet;
The roll sheet holder is tape-printed by being inserted into the positioning groove when the roll sheet holder is mounted, being projected in the vertical direction at a substantially central portion in the left-right direction on the outer surface of the reference side holding member. Positioning ribs for positioning relative to the device;
Have
The upper cover has a thin flat plate-shaped holder pressing portion projecting inward from the inner side surface portion facing the positioning support member so as to be horizontal when the upper cover is closed. ,
If you close the upper cover, and abutting the upper end portion of the one side end face in the thickness direction of the holder holding portion is fitted into the positioning support member the positioning rib portion, the holder holding portion of the distal portion A tape printer characterized in that is bent and deformed in the vertical direction . The upper cover has a platen roller rotatably supported on the lower side of the front end portion,
The main body housing has a thermal head disposed so as to contact the platen roller and biased upward when the upper cover is closed,
If you close the upper cover, the tape printing apparatus according to claim 1, wherein the platen roller and said Rukoto Do allow printing presses urging the roll sheet to the thermal head. A sheet discriminating sensor disposed on the bottom surface of the roll sheet holder side base end of the positioning support member;
The roll sheet holder is
A sheet discriminating portion extending a predetermined length from the lower end edge of the reference side holding member so as to face the outer peripheral surface of the roll sheet;
A roll sheet identification unit that is formed in the sheet identification unit and identifies the type of roll sheet in cooperation with the sheet identification sensor;
Have
3. The tape printer according to claim 1, wherein when the positioning rib portion is fitted into the positioning groove portion, the roll sheet specifying portion can be detected via the sheet discrimination sensor.

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