JP5928805B2 - Printing device - Google Patents

Description

  The present invention relates to a printing apparatus that performs printing on a roll tape such as a label printer.

  Today, there is a printing apparatus that creates an arbitrary label by printing a character string or the like on a tape member based on character data input from a keyboard or received from another device.

  Such a printing apparatus can accommodate a tape member for printing characters and the like, and has a printing device including a printing means for characters and the like, a display display and an input keyboard, and has a display display and an input keyboard. There are various types of printers such as a printing apparatus that accommodates a tape member and includes printing means such as a thermal head, and performs printing while feeding the tape by a feed roller or the like.

  In this printing apparatus, many tape members having different tape widths such as 6 mm width, 12 mm width, 18 mm width, and 36 mm width can be used today.

  In these printing apparatuses, the tape member is prevented from shifting in the width direction of the tape, and the guide is adjusted to the tape width in order to transport the tape member while pulling it out of the roll while maintaining a predetermined position during printing and transport. A roller is often used (for example, Patent Document 1).

JP 2000-247509 A

  Printing devices that can use tape members with different tape widths often make it difficult to set the tape members by regulating the tape members with different tape widths so that they do not shift left and right, and tapes with different widths. It is difficult to keep the height of the members constant, and it takes time to set the tape members with different tape widths so as to be surely discharged from the discharge port.

  One aspect of a printing apparatus according to the present invention includes a housing, a shaft, a shaft, a shaft, a predetermined diameter in a direction orthogonal to the shaft, and a long shape. A pair of first guide portions that regulate both ends of the tape member in the width direction, and a pair of first guide portions that are attached to the outside of the shaft from the pair of first guide portions and have a diameter longer than a predetermined diameter of the first guide portion. And a roller movable member that is movable in a direction orthogonal to the shaft with respect to the housing.

  In the present invention, the first and second guide portions that regulate the left and right end positions of the tape member are supported so as to be movable in the direction intersecting the axial direction of the guide portion and the shaft. The height can be kept constant.

FIG. 2 is a perspective view illustrating an appearance of the printing apparatus according to the invention. FIG. 3 is a perspective view showing a state in which the upper lid of the printing apparatus according to the invention is opened. FIG. 3 is a schematic diagram illustrating a cross-sectional side surface of the printing apparatus according to the invention. FIG. 2 is a perspective view illustrating an outline of a printer unit of the printing apparatus according to the invention. FIG. 3 is a perspective view showing a roller movable member of the printing apparatus according to the present invention. 1 is a side view of a printing apparatus according to the present invention. The figure which shows the relationship between the guide roller and tape member of the printing apparatus which concerns on this invention. The figure which shows the holding state of the tape member by the movement of the guide roller of the printing apparatus which concerns on this invention. FIG. 6 is an external perspective view showing another embodiment of the printing apparatus according to the present invention. The side surface schematic diagram which shows the other Example of the printing apparatus which concerns on this invention. FIG. 6 is a schematic plan view showing another embodiment of the printing apparatus according to the present invention. The side surface schematic diagram which shows the other Example of the printing apparatus which concerns on this invention. FIG. 3 is a schematic diagram illustrating a tape width detection mechanism of the printing apparatus according to the present invention. FIG. 4 is a diagram illustrating an example of the position and drive control of a roller movable member of the printing apparatus according to the present invention.

  As shown in FIG. 1, the printing apparatus 10 according to the present invention includes a printer unit in a housing formed by a substantially rectangular parallelepiped housing main body 11 and an upper lid 13 covering the upper portion of the housing main body 11. It is built-in.

  In addition, the front end of the housing has a discharge port 21 through which a tape member 91 printed with characters and the like is discharged. The housing body 11 has a printing mechanism and can accommodate the tape roll 90. This is a printing apparatus 10 having a plug terminal 23 on the side surface of the casing main body 11 for receiving print data such as a character string from a computer or a character input device for creating a label.

  As shown in FIGS. 2 and 3, the printing apparatus 10 has a thermal head 33 and a cutter 31 in the vicinity of the inner tip of the upper lid portion 13, and a tape member 91 discharged from the discharge port 21 shown in FIG. It can be broken using a cutter 31 as a tape cutting mechanism at the position of the discharge port 21.

  Further, the housing body 11 at a position opposite to the position of the thermal head 33 provided inside the upper lid portion 13 has a platen roller 47, and the thermal mechanism (printing head) 33 and the platen roller 47 provide a printing mechanism. The thermal head 33 prints characters, symbols, patterns, and the like while the thermal paper tape formed and sandwiched between the thermal head 33 and the platen roller 47 is sent out by the platen roller 47.

  The platen roller 47 is provided in the printer unit 40 housed in the housing main body 11, and the printer unit 40 includes the shaft portion 97 of the tape roll 90 on the left and right side plates of the chassis 41 as shown in FIG. The platen roller 47 and the auxiliary roller 48 are provided between the left and right side plates, and the drive mechanism of each roller is provided so as to be fixed to the chassis 41.

  This printer unit 40 uses a metal plate chassis 41, forms a roll tape storage portion 45, and rotates along with a platen roller 47, an auxiliary roller 48 that rotates in conjunction with the platen roller 47, and a discharge port 21. And a guide roller 51 that regulates both ends of the tape member 91 in the width direction, and a control unit that controls the drive mechanism and the printing mechanism together with the drive mechanism.

  The roll tape storage portion 45 is formed on the back side of the printer unit 40, and U-shaped roll guide grooves 43 opened upward are formed on the left and right side plates, and both ends of the shaft portion 97 of the tape core 95 are roll guides. A guide rib 44 is provided inside the side plate near the roll guide groove 43, and both ends of the main body 96 of the tape core 95 are brought into contact with the guide rib 44 to determine the position of the tape roll 90. .

  Further, when the auxiliary roller 48 pulls out the tape member 91 such as the thermal paper tape wound around the tape core 95 from the tape roll 90, the auxiliary roller 48 is used even if the tape member 91 is used and the diameter of the tape roll 90 is reduced. The tape member 91 wound in a roll shape is used together with the platen roller 47 so that an appropriate tension is applied to the tape member 91 drawn from the tape roll 90 without greatly changing the pulling angle to the platen roller 47. To pull out.

  The tape member 91 on which the characters and the like are printed is a synthetic paper coated with a weak adhesive that can be peeled on one surface, and a release coating is applied to the surface opposite to the surface coated with the adhesive. The tape member 91 is wound around the main body 96 of the tape core 95.

  Further, a guide roller 51 for guiding the tape member 91 to the center of the printer unit 40 is provided at the front end of the printer unit 40. The guide roller 51 is provided with a first guide on both sides of a central shaft portion (shaft) 71. The portion 72 has a second guide portion 73 outside the first guide portions 72 and a ring portion 74 outside the second guide portions 73.

  The guide roller 51 is incorporated in the roller movable member 50 shown in FIG. 5 and is attached to the upper front end of the printer unit 40.

  The roller movable member 50 is configured to connect a long plate-like arm portion 53 and a plate-like auxiliary support plate 57 arranged in parallel with the arm portion 53 to the arm portion 53 by a plate-like connecting plate 55. In other words, one end of the arm part 53 is connected to the enlarged part 54 and the auxiliary support plate 57 while the end part of the connecting plate 55 is connected to the enlarged part 54.

  Then, both ends of the guide roller 51 are rotatably supported by the enlarged portion 54 and the auxiliary support plate 57 so that the guide roller 51 is disposed above the connecting plate 55.

  The guide roller 51 has a central shaft portion (shaft) 71 at the center of the roller shaft, and the length L1 of the central shaft portion 71 coincides with the tape width of the tape member 91 having the narrowest tape width used in the printing apparatus 10. The cylindrical first guide portion 72 having a diameter larger than that of the central shaft portion 71 is attached to both ends of the central shaft portion 71 on the shaft that is a roller shaft so as to be arranged coaxially with the central shaft portion 71. A cylindrical second guide portion 73 having a diameter larger than that of the first guide portion 72 is attached to the shaft so as to be arranged on the outer side of each first guide portion 72 and coaxially with the first guide portion 72. The guide portion 73 includes a disc-shaped ring portion 74 having a diameter larger than that of the second guide portion 73 on the outer side.

  The distance L3 between the insides of the left and right ring portions 74 is the same as the tape width of the tape member 91 having the largest tape width used in the printing apparatus 10, and the outer end distance L2 of the left and right first guide portions 72. The tape width of the tape member 91 used in the printing apparatus 10 is matched with the tape width of the intermediate tape member 91.

  The enlarged portion 54 and the auxiliary support plate 57 of the arm portion 53 have mounting holes 61. As shown in FIG. 4, both ends of the swing shaft 49 fixed to the upper front portion of the printer unit 40 are attached to the mounting holes. The roller movable member 50 is attached to the chassis 41 of the printer unit 40 by allowing the arm portion 53 to swing and penetrating through 61.

  The arm portion 53 has an operation button 58 in the vicinity of the end facing the enlarged portion 54. The operation button 58 has a thick disk shape and projects to the side of the arm portion 53. is there.

  Further, a plate-like spring member 63 is attached to the arm portion 53 in the vicinity of the operation button 58, and the spring member 63 has one end fixed to the arm portion 53 and the other end being a free end and free. It has a projection 65 on the side surface on the end side.

  Therefore, the protrusion 65 maintains a predetermined distance from the side surface of the arm portion 53 due to the elasticity of the spring member 63, and the distance from the arm portion 53 is variable so as to contact the side surface of the arm portion 53 when an external force is applied. Is.

  As described above, the roller movable member 50 is configured so that the swinging shaft 49 that is fixed to the chassis 41 passes through the mounting hole 61 provided in the enlarged portion 54 of the arm portion 53 and the auxiliary support plate 57 so that the roller movable member 50 is placed inside the casing. Since the guide roller 51 supported at both ends by the enlarged portion 54 and the auxiliary support plate 57 is parallel to the swing shaft 49 and is pivoted about the swing shaft 49. The height of the guide roller 51 in the housing can be changed by moving in a direction crossing the direction.

  The center of the guide roller 51 is a central shaft portion 71, and short cylindrical portions having a diameter larger than that of the central shaft portion 71 are arranged on both sides of the central shaft portion 71 as first guide portions 72. Since the length L1 is matched with the tape width of the thin tape member 91 having the smallest width as the tape member 91 used in the printing apparatus 10, the thinnest tape member 91 is supported by the central shaft portion 71 and the first guide portion 72 is used. Thus, the tape member 91 printed by regulating the positions of the left and right ends of the tape member 91 can be discharged from the discharge port 21 to the outside of the casing.

  A second guide portion 73 as a short cylindrical portion having a larger diameter than each of the first guide portions 72 is disposed outside each of the first guide portions 72, and the outer end distance L2 of the first guide portion 72 is determined as the printing. Since the tape width of the tape member 91 used in the apparatus 10 coincides with the tape width of the intermediate tape member 91, the first guide portion 72 supports the vicinity of the left and right ends of the intermediate width tape member 91 and The tape member 91 printed by regulating the positions of the left and right ends of the tape member 91 by the two guide portions 73 can be discharged from the discharge port 21 to the outside of the housing.

  Further, a ring portion 74 having a diameter larger than that of each of the second guide portions 73 is disposed outside each of the second guide portions 73, and the distance L3 between the insides of both the ring portions 74 is the width of the tape used in the printing apparatus 10. Since the width of the tape member 91 is the same as that of the thickest tape member 91, the left and right ends of the tape member 91 with the maximum width are supported by the second guide portion 73 and the positions of the left and right ends of the tape member 91 are regulated by the ring portion 74 Thus, the printed tape member 91 can be discharged from the discharge port 21 to the outside of the housing.

  As described above, the guide roller 51 is provided with a short columnar guide portion that gradually increases the outer diameter of the central shaft portion 71 in a stepwise manner in comparison with the roller shaft diameter of the central shaft portion 71 and restricts both ends of the tape member 91 having different widths. Thus, the tape member 91 having different widths is supported, so that the center of the tape member 91 in the width direction is aligned with the center of the guide roller 51, and the tape member 91 is placed on the guide roller 51 so that the outlet 21 The tape member 91 can be held at a predetermined position in the vicinity.

  As shown in FIG. 6, the side surface of the casing main body 11 of the printing apparatus 10 has an arc-shaped groove 25 that allows the operation button 58 to protrude on the side wall 15. Is positioned on an extension of the swing shaft 49 provided in the chassis 41 that is housed in the housing body 11.

  In the vicinity of the groove 25, as usable tape widths, for example, a number indicating a position to be aligned with a tape member 91 having a width of 9 mm or a tape member 91 having a width of 12 mm, or a number indicating a position to be aligned with a tape member 91 having a width of 18 mm. it's shown.

  Further, on the inner side surface of the side wall 15 of the housing body 11, the operation button 58 is moved along the groove 25 (not shown) so that the operation button 58 is positioned at one end, the center, and the other end of the groove 25. Is provided with a recess into which the projection 65 provided on the spring member 63 of the arm portion 53 is inserted, and the projection 65 is inserted into a recess provided on the inner surface of the side wall 15 of the housing main body 11 so that the arm portion 53 is The position can be fixed and a click feeling is generated.

  Accordingly, when the operation button 58 shown in FIG. 6 is strongly moved along the groove 25, the arm portion 53 of the roller movable member 50 shown in FIG. 5 is rotated around the swing shaft 49, and the guide roller can be easily operated. The position of 51 can be moved so as to rotate about the swing shaft 49, and the height position of the guide roller 51 in the housing body 11 can be slightly changed.

  Therefore, as shown in FIG. 4, when a wide tape member 91 (for example, 18 mm wide tape) is used, the operation roller 58 is positioned at the highest position of the groove 25 shown in FIG. The position of 51 is lowered, and both ends of the tape member 91 are supported by the second guide portion 73 having a large diameter, and the support height of the tape member 91 is supported by the platen roller 47 as shown in FIG. Can be combined with height.

  A tape member 91 having a narrow tape width, for example, 9 mm is supported by the central shaft portion 71, and the position of the operation roller 58 is the lowest position of the groove portion 25, and the position of the guide roller 51 is increased. Therefore, when the tape member 91 is supported by the shaft 71 having a diameter smaller than that of the first guide portion 72 or the second guide portion 73, the tape roller 91 is supported by the guide roller 51 without changing the support height of the tape member 91. The height can be matched with the support height of the tape member 91 by the platen roller 47.

  For example, when using a tape member 91 having a width of 12 mm, the first guide portion 72 that supports both end portions of the tape member 91 is provided by positioning the operation button 58 in the middle of the groove portion 25 (numeral position of 12). As shown in FIG. 8, the height of the guide roller 51 is set at the intermediate position, so that the support height of the tape member 91 by the guide roller 51 (first guide portion 72) is set to the tape member 91 by the platen roller 47. It can be matched with the support height.

  In this way, by moving the position of the operation button 58 and rotating the arm portion 53 about the swing shaft 49 to change the inclination of the arm portion 53, the central shaft portion 71 and the first guide portion 72 have a width. When supporting the tape members 91 having different widths, the height of the tape member 91 is always kept constant immediately inside the discharge port 21 to support the tape members 91 having various tape widths, and the left and right ends of the tape member 91 are connected to the ring portion 74. Alternatively, the tape member 91 having a different tape width supported by the guide portion having a large diameter can be always positioned at the center of the guide roller 51.

  Then, as shown in FIG. 4, when a new tape member 91 is set, the tape roll 90 is inserted into the roll tape storage section 45, the roll-shaped tape member 91 is pulled out, and the platen roller 47 constituting the printing mechanism. The tape member 91 is placed on the guide roller 51, the end of the tape member 91 is positioned at the discharge port 21, and the upper lid portion 13 shown in FIG. can do.

  As shown in FIGS. 5 and 6, the upper cover 13 is opened without the operation button 58 provided on the arm 53 and without the groove 25 provided on the side wall 15 of the housing body 11. Grasp the end of the guide roller 51 such as the enlarged portion 54 of the arm portion 53 and the auxiliary support plate 57 with your finger, and move the guide roller 51 around the swing shaft 49 directly to adjust the height. There is also.

  Further, it is limited to the case where the arm unit 53 is directly rotated by the operation button 58 provided on the arm unit 53 when the arm unit 53 is rotated to move the guide roller 51 so as to adjust the height thereof. Instead, as shown in FIG. 9, a slide button 81 may be provided on the side wall 15 on the front surface of the housing body 11 to rotate the arm 53.

  As shown in FIG. 10, the slide button 81 has a rod-like protrusion 83 on the back surface. The rod-like protrusion 83 penetrates the side wall 15 on the front surface of the housing body 11, and The side wall 15 of the housing body 11 is sandwiched between the support plate 85 and the plate-like slide button 81 arranged on the inner side, and is attached to the side wall 15 so as to be vertically movable along the side wall 15.

  Further, a movable member 87 extends in a horizontal direction from the support plate 85. The movable member 87 is brought into contact with the end of the arm portion 53 of the roller movable member 50, and the slide button 81 and the movable member 87 are moved up and down. By moving the arm portion 53, the end portion of the arm portion 53 can be moved up and down to rotate the arm portion 53.

  In this way, by moving the slide button 81 up and down so as to rotate the arm 53 longer than the distance from the swing shaft 49 to the guide roller 51, the vertical movement greater than the vertical movement distance of the guide roller 51 is achieved. Since the slide button 81 having the moving distance is operated, the slight up and down movement of the guide roller 51 can be easily and surely performed.

  A resin spring having a recess on the slide button 81 or the side wall 15 of the housing body 11 for stopping the slide button 81 at a predetermined position and having a protrusion on the back surface of the side wall 15 or the slide button 81 of the housing body 11. A shape portion is provided, and the protrusion of the spring shape portion is engaged with the recess so as to generate a click feeling at a predetermined position of the slide button 81.

  And when operating the arm part 53 of this roller movable member 50, not only a manual type but an electric type may be used.

  In this case, as shown in FIG. 11, the drive motor 100 and the worm gear 103 are provided on the outer surface of the side wall of the chassis 41 of the printer unit 40 housed in the housing body 11, and the tape width sensor is provided at the position of the roll guide groove 43. 121 is provided.

  As shown in FIG. 12, the drive motor 100 is fixed to the side surface of the chassis 41 of the printer unit 40 by a base block 101, and has a worm gear 103 and a rotating plate 105 on a motor shaft. The rotation number detector 107 includes a photosensor capable of detecting the slit.

  A worm wheel 111 that meshes with and rotates with the worm gear 103 is also provided on the side surface of the chassis 41, and a gear portion 113 that rotates according to the rotation of the worm wheel 111 is provided at the end of the arm portion 53.

  As shown in FIG. 12, the gear portion 113 has an arc shape centered on the mounting hole 61 of the arm portion 53 that penetrates the swing shaft 49, and rotates around the arc center in accordance with the rotation of the worm wheel 111. The arm portion 53 is rotated by moving as the center.

  Further, in the vicinity of the end portion of the arm portion 53, there is a protruding portion 59 at a position on the center line of the arm portion 53, and the first position detector 115 and the second position detector 117 that can come into contact with the protruding portion 59. Is attached to the chassis 41.

  The first position detector 115 (SW-A) has a tape width of 18 mm when the arm portion 53 is positioned at the position where the guide roller 51 is lowest (when the protrusion 59 is at the highest position). 2), the second position detector 117 (SW-B) detects that the protrusion 59 is detected, and the second position detector 117 (SW-B) is positioned when the arm 53 is positioned at the highest position of the guide roller 51 (protrusion). When the portion 59 is at the lowest position and the tape width is 9 mm, the protruding portion 59 is detected and turned on.

  Further, the tape width sensor 121 as shown in FIG. 13A uses a distance sensor, is fixed to the chassis 41 using a fixed frame 123, and is inserted into the roll guide groove 43 shown in FIG. The tape cores 95 are arranged corresponding to the positions of the tape cores 95.

  And as shown to (B-1) thru | or (B-3) of FIG. 13, the identification wall 99 is formed in the axial part 97 of the tape core 95, or as shown to (B-4) of FIG. The tape width of the tape member 91 is a pipe-shaped shaft portion 97 in which a through hole is provided in the shaft portion 97 of the tape core 95 without providing the identification wall 99, and the position of the identification wall 99 is wound around the tape core 95. Thus, the tape width can be detected from the distance to the identification wall 99.

  Then, as shown in FIG. 14, the tape motor detected by the tape width sensor 121 and the ON state of the first position detector 115 (SW-A) and the second position detector 117 (SW-B), Rotation and stop control are performed.

  That is, for example, when the tape width is 18 mm at the maximum, if the first position detector 115 (SW-A) is in the ON state, the first position detector 115 and the second area detection are performed without driving the drive motor 100. If the device is in an off state, the rotation motor detects the number of rotations of the drive motor 100 and rotates the gear (worm wheel 111) in the left direction so that the arm portion 53 rotates by θ1 in the right direction. 100, or the drive motor 100 is driven until the first position detector 115 is turned on. If the second position detector 117 (SW-B) is turned on, the gear is moved to the left. To drive the drive motor 100 so that the arm 53 rotates to the right by θ1 + θ2, or the drive motor 100 is driven until the first position detector 115 is turned on.

  If the detected tape width is an intermediate width of 12 mm, the first position detector 115 is not driven without driving the drive motor 100 if both the first position detector 115 and the second position detector 117 are off. If (SW-A) is in the ON state, the gear is rotated rightward to drive the drive motor 100 so that the arm portion 53 is rotated to the left by θ1, and the second position detector 117 (SW-B) is If it is in the ON state, the drive motor 100 is driven such that the gear is rotated to the left and the arm portion 53 is rotated to the right by θ2.

  If the detected tape width is 9 mm, which is the minimum width, the first position detector 115 and the second position are not driven without driving the drive motor 100 if the second position detector 117 (SW-B) is on. If the position detectors 117 are both off, the gear is rotated rightward to drive the drive motor 100 so that the arm portion 53 is rotated to the left by θ2, and the first position detector 115 (SW-A) is In the ON state, the gear is rotated rightward to drive the drive motor 100 so that the arm portion 53 is rotated to the left by θ1 + θ2. If the tape width is 9 mm and the second position detector 117 (SW-B) is off, the drive motor 100 is driven until the second position detector 117 (SW-B) is turned on. The arm portion 53 may be rotated counterclockwise.

  In addition, without having the tape width sensor 121, a tape width setting switch is provided on the side surface of the housing, etc., and by manually operating this switch, the drive motor 100 is driven to bring the arm portion 53 into a predetermined position, and the guide roller 51 The height may be determined.

  In this way, if the arm unit 53 is rotated using the drive motor 100, the guide rollers 51 align the heights of the tape members 91 having different tape widths automatically or with a simple switch operation. Can be supported.

  The guide roller 51 shown in FIG. 5 is provided with a first guide portion 72 and a second guide portion 73 on both sides of the central shaft portion 71 so as to correspond to three types of tape widths. By further providing a guide portion which is a short cylindrical portion having a diameter larger than that of the portion 73, the printing apparatus 10 corresponding to the tape member 91 having a larger tape width may be obtained.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

The invention described in the first claim of the present application will be appended below.
[1] a housing;
A pair of first guides that are provided in the housing, are attached to the shaft, have a predetermined diameter in a direction orthogonal to the shaft, and restrict both ends of the long tape member in the width direction. And a pair of second guide portions attached to the outside of the shaft from the pair of first guide portions and having a diameter longer than a predetermined diameter of the first guide portion, and with respect to the housing A roller movable member movable in a direction orthogonal to the shaft;
A printing apparatus comprising:
[2] The casing includes a tape storage unit that stores the tape member, a print head that performs printing on the tape member drawn from the tape member, and a cutter that cuts the printed tape member. The printing apparatus according to [1], characterized in that:
[3] In the above [1] or [2], the first guide part and the second guide part have a cylindrical shape, and the outer diameter of the outer guide part is sequentially increased stepwise. The printing apparatus as described.
[4] The shaft according to [2] or [3], wherein the shaft is disposed between the print head and a discharge port for discharging the tape member from the housing. Printing device.
[5] The roller movable member has an arm portion,
The shaft is rotatably attached to one end of the arm portion, and the arm portion is swung by a swing shaft provided in parallel with the shaft axis. The printing apparatus according to any one of [4].
[6] The printing according to [5], further including an operation button exposed on a side surface of the main body of the casing, wherein the arm is rotated about the swing shaft by the operation button. apparatus.
[7] The printing apparatus according to [5], wherein a slide button is provided on a side wall of the casing, and the arm unit is rotated by movement of the slide button.
[8] The printing apparatus according to [5], further including a drive motor and a gear, wherein the arm unit is rotated by the rotation of the gear.

DESCRIPTION OF SYMBOLS 10 Printing apparatus 11 Housing | casing main-body part 13 Upper cover part 15 Side wall 21 Outlet 23 Plug terminal 25 Groove part 31 Cutter 33 Thermal head (printing head)
DESCRIPTION OF SYMBOLS 40 Printer unit 41 Chassis 43 Roll guide groove 44 Guide rib 45 Roll tape accommodating part 47 Platen roller 48 Auxiliary roller 49 Oscillating shaft 50 Roller movable member 51 Guide roller 53 Arm part 54 Enlarged part 55 Connecting plate 57 Auxiliary support plate 58 Operation button 59 Protruding portion 61 Mounting hole 63 Spring member 65 Protruding portion 71 Central shaft portion (shaft) 72 First guide portion 73 Second guide portion 74 Ring portion 81 Slide button 83 Rod-like protrusion 85 Support plate 87 Movable member 90 Tape roll 91 Tape member 95 Tape core 96 Main body 97 Shaft 99 Identification wall 100 Drive motor 101 Pedestal block 103 Worm gear 105 Rotary plate 107 Rotation detector 111 Worm wheel 113 Gear portion 115 First position detector 117 Second place Detector 121 tape width sensor 123 fixed frame

Claims (8)

A housing,
A pair of first guides that are provided in the housing, are attached to the shaft, have a predetermined diameter in a direction orthogonal to the shaft, and restrict both ends of the long tape member in the width direction. And a pair of second guide portions attached to the outside of the shaft from the pair of first guide portions and having a diameter longer than a predetermined diameter of the first guide portion, and with respect to the housing A roller movable member movable in a direction orthogonal to the shaft;
A printing apparatus comprising:   The housing includes a tape storage unit that stores the tape member, a print head that performs printing on the tape member drawn from the tape member, and a cutter that cuts the printed tape member. The printing apparatus according to claim 1. The printing apparatus according to claim 2, wherein the shaft is disposed between the print head and a discharge port that discharges the tape member from the housing. The said 1st guide part and the said 2nd guide part have a column shape, and increase the outer diameter of an outer guide part sequentially in steps, The Claim 1 thru | or 3 characterized by the above-mentioned. Printing device. The roller movable member has an arm part,
The shaft is rotatably attached to one end of the arm portion, and the arm portion is swung by a swing shaft provided in parallel with the shaft axis. Item 5. The printing device according to any one of Items 4 to 5.   The printing apparatus according to claim 5, further comprising an operation button exposed on a side surface of the main body of the housing, wherein the arm is rotated about the swing shaft by the operation button.   The printing apparatus according to claim 5, wherein a slide button is provided on a side wall of the housing, and the arm unit is rotated by movement of the slide button. The printing apparatus according to claim 5, further comprising a drive motor and a gear, wherein the arm portion is rotated by the rotation of the gear.

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