JP2006096030A - Tape cassette - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tape cassette which can precisely prevent a label from peeling-off on the surface of a printing tape even when it is moved in the forward direction or the rewind direction for its positioning, and can smoothly and easily perform its re-forwarding even if the tip of the printing tape enters the interior of the cassette case. <P>SOLUTION: A guiding member 50 is provided on a travelling path of the printing tape 34 to which many labels are attached. The guiding member 50 has a tape tip guiding part 51 and a label attachment surface guiding part 52 having a cross section of a curved surface shape. Jamming of the labels when the printing tape 34 is rewound is prevented by the curved surface of the labeling surface guiding part 52. When the tip of the printing tape 34 enters the interior of the cassette case 22, and it is to be forwarded again, the tip of the printing tape 34 is guided by the tape tip guiding part 51 to lead it to outside of the cassette case 22. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a tape cassette that is detachably attached to a printing apparatus such as a tape printer and stores a printing tape on which printing is performed by the printing apparatus.

  Conventionally, a cassette case with an ink ribbon and a printing tape in which a plurality of labels having a predetermined shape are adhered to a long base tape (peeling tape) at predetermined intervals along the longitudinal direction thereof with an adhesive. A printing apparatus in which a tape cassette housed in the apparatus is mounted on a printing apparatus, and a predetermined printing is performed on the label portion via an ink ribbon by a printing mechanism of the printing apparatus, and a tape cassette used therefor Is provided.

  Japanese Patent Application Laid-Open No. 11-78128 (Patent Document 1) discloses a technique relating to this type of printing apparatus and a tape cassette used therefor. The printing tape stored in the tape cassette is provided on the peeling tape so as to be peelable by dividing the tape with the adhesive into a predetermined shape label within the tape surface. On the back side of the release tape, which is the back side, are a sensor detection mark that is detected by a sensor to print within the label and a manual alignment mark that is used for manual alignment operation. It is provided corresponding to the position of each label.

  In label printing using this tape cassette, when the tape cassette is mounted in the printing apparatus, the printing tape is provided on the back side of the printing tape by moving the printing tape in the direction of drawing out from the cassette case or the direction of pulling it back. The alignment mark is aligned with a predetermined portion of the cassette case. When the tape cassette is mounted in the printing apparatus in this state, the label position is set with respect to the printing mechanism of the printing apparatus. When printing is started, the sensor detection mark is detected by the sensor of the printing apparatus, and the mark Based on the detection, printing is performed in the label area at the tip of the printing tape.

  By the way, in such a tape cassette, when the printing tape is moved in the feeding direction or the pulling-back direction and the alignment operation is performed, the edge of the label is caught by the guide member of the tape moving path according to the movement of the printing tape. This has the disadvantage that the label on the release tape is peeled off by this catch. In this tape cassette, guide members such as guide rollers and guide bosses are provided in the tape movement path in the cassette case, and the printing surface side on which the label of the printing tape is formed is in sliding contact with the guide member, and the tape is moved. Since this tape cassette structure does not consider the peeling of the label, the label is likely to be peeled off particularly when the printing tape is moved in the tape return direction.

In view of this, there is a technique disclosed in Japanese Patent Application Laid-Open No. 2004-58434 (Patent Document 2) as a technique for preventing the peeling of the label in this type of printing tape. In this technology, a concave portion is formed in a guide member for guiding the running of the printing tape in a portion corresponding to the central portion of the width of the printing tape, and the label of the printing tape passes through the concave portion. In addition, a region other than the label region formed on the label tape is guided by being brought into contact with the convex portions on both sides of the concave portion, and the concave portion is made to correspond to the label region so as not to come into contact therewith.
JP-A-11-78128 JP 2004-58434 A

  In the technique disclosed in Patent Document 1, since the guide member does not consider the peeling of the label, the peeling of the label is likely to occur particularly when the printing tape is moved in the tape return direction. Further, when a roller structure is used as the guide member, the number of parts increases and the cassette structure becomes complicated.

  On the other hand, in the technique disclosed in Patent Document 2, since the guide member guides the tape without coming into contact with the label region, it is possible to prevent peeling of the label, but there are the following problems.

  That is, since the guide member has a recess in a portion corresponding to the central portion in the width direction of the printing tape, a gap is formed between the label portion of the printing tape and the recess of the guide member. A region other than the label portion of the tape is in contact with and supported by both side portions of the concave portion of the guide member (portions that are convex portions with respect to the concave portion). This printing tape is provided by sticking a label tape on which a label is formed by cutting on the peeling tape so that the label tape can be peeled off by a sticking agent. Because there is a gap between them, the widthwise central part of the printing tape that is not directly supported by the guide member falls into the recess of the guide member with the label printing surface side convex due to the influence of changes in humidity, etc. There is a risk of deformation and bending. When the printing tape member is curved in the width direction in this way, the corner portion of the label is peeled off from the peeling tape and lifted. In this state, the label is lifted off from the peeling tape. There is a possibility that the label is peeled off due to the portion being caught by the tape moving path in the cassette case.

  Further, when the printing tape alignment operation is performed on the printing apparatus, the printing tape may be mistakenly returned to the cassette case and the leading end of the printing tape may enter the cassette case. In such a case, it is necessary to move the printing tape in the feeding direction and feed the tip again from the tape feed outlet to the outside of the cassette case. However, once it enters the inside of the feeding outlet, there is a problem that the feeding becomes difficult. This point is not considered in any of the tape cassettes of Patent Documents 1 and 2.

  The present invention has been made paying attention to such points, and the object of the present invention is to remove the label on the surface even if the printing tape is moved in the feeding direction or the pulling direction for alignment. It is an object of the present invention to provide a tape cassette that can prevent the occurrence of the problem accurately and can smoothly and easily re-feed even if the front end of the printing tape enters the inside of the cassette case.

  The tape cassette according to claim 1 comprises: a cassette case; and a printing tape which is formed by adhering a number of labels having a printing surface on which a surface is printed on a base tape, and is stored in the cassette case. The printing tape is fed out from the cassette case to a printing position where printing is performed by the printing device, and printing is performed on the label, while the label is printed on the label. A tape cassette that can move in both directions inside and outside the cassette case to correspond to a printing position, and is provided in a movement path of the printing tape inside the cassette case, along the movement path. A guide member for guiding the printing tape moving toward both the inside and the outside of the cassette case, When the leading end of the printing tape enters the inside of the cassette case, the leading end of the printing tape is guided toward the outside of the cassette case in accordance with the moving operation of the printing tape toward the outside of the cassette case. A guide surface that is provided continuously to the end portion of the leading end guide portion and the end portion of the tape leading end, and abuts on the label sticking surface side of the printing tape in substantially the entire tape width direction. In order to prevent the label from peeling off from the base tape, a label sticking surface guide portion formed in a curved shape corresponding to the moving direction of the printing tape toward the inside of the cassette case; It is characterized by providing.

  In this case, as in claim 2, the guide member may be fixedly provided at a downstream end of the movement path in the cassette case, and in the cassette case, as in claim 3. Provided at the downstream end of the moving path so as to be freely rotatable, and the end of the tape tip guide part is attached to the label side of the roll-shaped printing tape wound around the supply core. A spring that urges the outer peripheral surface to contact the outer peripheral surface may be provided.

  Further, as in claim 4, the guide member is provided rotatably at a downstream end portion of the movement path in the cassette case, and when the cassette case is in a predetermined orientation, The tape is rotated by its own weight so that the end portion of the tape leading end guide portion comes into contact with the outer peripheral surface of the roll-shaped printing tape wound around the supply core on the side opposite to the label attaching surface side. You may comprise.

  And when providing the said guide member in the downstream end part of the said movement path | route in the said cassette case so that rotation is possible, the rotation of the said guide member from the rotation center of the said guide member is carried out like Claim 5. The distance obtained by adding the distance to the end of the tape guide and the radius of the supply core is preferably equal to or greater than the distance between the rotation center and the center of the supply core.

  Further, as in claim 6, the guide surface of the guide member has a curved surface portion having a radius of at least 0.8 mm, and the guide surface of the guide member has the curved surface portion as in claims 7 to 9. The cross-sectional shape along the moving direction of the printing tape is a substantially semicircular shape, a substantially circular shape, or a substantially mountain shape.

  The tape cassette according to claim 10 has the same configuration as that of the tape cassette according to claim 1, and further faces the moving path on the outer wall of the cassette case at the downstream end of the moving path of the printing tape. And having an operation window that enables finger contact with the surface opposite to the label attachment surface side of the printing tape, and the operation of the guide member with the movement path of the printing tape in between. It is provided at a position facing the window.

According to the tape cassette of the first aspect, the guide member is in contact with the sticking surface side of the label of the printing tape in substantially the entire region in the tape width direction, and has a curved surface shape corresponding to the moving direction toward the inside of the cassette case. By providing the label sticking surface guide portion formed on the tape, the printing tape is curved and deformed in the width direction by supporting the sticking surface side of the label in substantially the entire tape width direction of the printing tape. Prevents the label edge from peeling off, and the curved surface shape corresponding to the moving direction of the printing tape toward the inside of the cassette case prevents the label edge from being caught when the printing tape moves into the cassette case. Without this, smooth tape movement and label peeling can be prevented. Therefore, even if the printing tape is moved in both the feeding direction and the pulling direction which are both inside and outside of the cassette case in order to make the printing tape label correspond to the printing position, the peeling of the label on the printing tape can be accurately performed. Can be prevented.
In addition, by providing a tape tip guide for guiding the tip of the printing tape toward the outside of the cassette case in accordance with the movement of the printing tape toward the outside of the cassette case, the tip of the printing tape can be Even if it enters the inside, the re-feeding can be performed smoothly and easily.

  In this case, as in the tape cassette according to claim 2, if the guide member is fixedly provided at the downstream end of the movement path of the cassette case, the guide member can be provided in the cassette case by integral molding. It is possible to simplify the structure without increasing the number of parts, and the tape cassette can be easily assembled.

  Further, according to the tape cassette of the third aspect, the rotatable guide member is brought into contact with the outer peripheral surface of the printing tape wound in a roll shape by the bias of the spring. When the leading end of the entered printing tape is fed out of the cassette case, the leading end of the printing tape can be reliably guided by the guide member and easily pulled out of the cassette case. In addition, the guide member presses the outer peripheral surface of the printing tape wound around the supply core by the urging force of the spring, so that the printing tape can be prevented from being scattered. Can be prevented.

  According to the tape cassette of the fourth aspect, when the leading end of the printing tape enters the inside of the cassette case, if the feeding operation is performed with the cassette case in a predetermined orientation, the guide member is The end of the printing tape is rotated by its own weight, and the end part comes into contact with the outer peripheral surface of the printing tape wound around the supply core, so that the leading end of the printing tape is reliably guided by the guide member and easily pulled out of the cassette case. be able to.

  According to the tape cassette of the fifth aspect, the length from the rotation center of the guide member provided in the cassette case so as to be rotatable to the end portion of the guide member contacting the outer peripheral surface of the printing tape is predetermined. If the printing tape is consumed and the roll diameter of the printing tape wound around the supply core is reduced, the end of the guide member can be used for roll printing. Since the tape can be brought into contact with the outer peripheral surface of the tape, when the printing tape that has entered the cassette case is fed out, the leading end of the printing tape is guided by the guide member and reliably guided out of the cassette case. Thus, the operability of feeding the printing tape can be maintained well from the initial use of the tape cassette to the end of consuming the printing tape.

  In addition, the guide surface of the guide member is a curved surface having a radius of at least 0.8 mm as in the tape cassette according to claim 6, whereby the effect of preventing the peeling of the label on the printing tape can be obtained. As in the tape cassettes according to 7 to 9, the label sticking surface guide portion of the guide member is formed by making the cross-sectional shape of the guide surface along the tape moving direction into a substantially semicircular shape, a substantially circular shape, or a substantially mountain shape. can do.

  Further, as in the tape cassette according to the tenth aspect, the operation window is provided at the downstream end portion of the printing tape moving path, and the guide member is located at the position facing the operation window with the printing tape moving path in between. Thus, when the finger is inserted from the operation window and the printing tape is moved, the finger manually operated by the guide member can be applied over almost the entire width of the tape. Since the pressure is received, the printing tape can be smoothly moved by receiving the guide member.

  Embodiments of the present invention will be described below. FIG. 1 is an external perspective view of a printing apparatus for printing on a label. 2 and 3 are external perspective views of the tape cassette according to the first embodiment of the present invention, which holds the label printed by the printing apparatus of FIG. 1 and is detachably attached to the printing apparatus of FIG. FIG.

First, the configuration of a printing apparatus for printing on a label will be described with reference to FIG. As shown in FIG. 1, the printing apparatus 1 includes a key input unit 3, a display unit 4, and an opening / closing lid 5 on the upper surface of the apparatus main body 2. The key input unit 3 is a character key for inputting character string data to be printed, a print key for instructing start of printing, a cursor key for moving the cursor on the display screen of the display unit 4, and editing of the input character string Various control keys necessary for processing, various setting processing, printing processing, and the like are provided. The display unit 4 is a liquid crystal display device and displays input data and processing contents.
The apparatus main body 2 has a cassette mounting portion 6 for detachably mounting the tape cassette 21 shown in FIGS. 2 and 3 that stores the printing tape 34 and the ink ribbon 35. The opening is opened and closed by the opening / closing lid 5. The open / close lid 5 is provided with a visual recognition window 5a that enables visual recognition of the inside of the cassette mounting portion 6 when the cassette mounting portion 6 is closed.
On the back side of the opening / closing lid 5, cassette pressers 5 b, 5 c, 5 d for restricting the position of the tape cassette 21 mounted on the cassette mounting portion 6 are provided so as to protrude. The end is provided with a hook 5e that is locked to a receiving portion 2a provided in the apparatus main body 2 and holds the opening / closing lid 5 in the closed position. By operating the lid opening button 2b provided on the upper surface of the apparatus main body 2. The hook 5e is unlocked and the opening / closing lid 5 can be opened.

  Inside the cassette mounting portion 6, printing is performed on the printing tape 34 via the platen roller 8 that transports the printing tape 34 and the ink ribbon 35 housed in the tape cassette 21 and the ink ribbon 35 in a predetermined direction, and the ink ribbon 35. And a ribbon take-up shaft 10 for taking up the used ink ribbon 35 is provided. A tape discharge port 17 for discharging the printed printing tape 34 to the outside of the apparatus is provided on the side of the apparatus main body 2, and for printing that is activated by operating the cutter operation button 18 a in the vicinity of the tape discharge port 17. A tape cutter 18 for cutting the tip of the tape 34 is provided. Further, a mark detection sensor 13 including an optical sensor for detecting a sensor detection mark 44b attached to the print tape 34 is provided at a position downstream of the position where the platen roller 8 and the thermal head 9 are provided. ing. Further, inside the cassette mounting portion 6, support portions 11 for positioning and supporting the tape cassette 21 are provided at a plurality of locations, and a cassette comprising a plurality of microswitches for detecting the type of the tape cassette 21. A detection sensor 14 is provided.

  Next, the tape cassette according to the first embodiment of the present invention used in the printing apparatus of FIG. 1 will be described with reference to FIGS. 2 is an overall perspective view of the tape cassette according to the first embodiment, FIG. 3 is an exploded perspective view, FIG. 4 is a plan view showing the internal structure, and FIG. 5 is a cross-sectional view taken along line AA in FIG. The tape cassette 21 includes a cassette case 22 configured by combining an upper case 22a and a lower case 22b. The inside of the cassette case 22 is partitioned into a tape storage portion 22d and a ribbon storage portion 22e by a partition wall 22c. ing. A tape supply core 23 and a tape for printing (label tape) 34 wound around the tape supply core 23 are stored in the tape storage portion 22d, and a ribbon supply core 24 and the ribbon supply core 24 are stored in the ribbon storage portion 22e. While being wound, the ink ribbon 35 is accommodated, and the ribbon take-up core 25 that takes up the used ink ribbon 35 is accommodated.

  7, 8 and 9 are a back view, a front view and a cross-sectional view of the printing tape stored in the tape cassette. As shown in FIGS. 7 to 9, the printing tape 34 wound around the tape supply core 23 is a long release tape (base tape) 40 and an adhesive 45 on the surface of the release tape 40. The label tape 41 is detachably attached to the label tape 41, and the label tape 41 is formed in a predetermined shape through a cut line 42 a and partitioned into a longitudinal direction of the label tape 41. A plurality are provided so as to be arranged at predetermined intervals along the line. The surface of the label 42 becomes a printing surface on which printing is performed by the thermal head 9.

  Further, on the back surface of the peeling tape 40 attached to the back surface side of the label tape 41, the hand mark 44a made of a pair of triangles is positioned on the downstream side in the transport direction of each label 42 corresponding to each label 42. And a bar-shaped sensor detection mark 44b are provided in advance by printing. The manual alignment mark 44a is used in order from the label 42 located on the most front side of the printing tape 34 without waste, so that printing is performed by the printing apparatus 1 when the tape cassette 21 is mounted on the printing apparatus 1. In order to set the most advanced label 42 to the position where printing is possible, the user manually aligns the leading end of the printing tape 34 with a predetermined reference position of the tape cassette 21. The sensor detection mark 44b is for detecting the position of the printing tape 34 by the mark detection sensor 13 of the printing apparatus 1, and the printing apparatus 1 detects that the mark 44b is within the area of the label 42 based on the detection of the mark 44b. Control is done so that the print fits.

  The printing tape 34 is a peeling tape on which a label 44a and a sensor detection mark 44b are displayed with the label tape 41 side (label sticking surface side) on which a large number of labels 42 are arranged facing inward. It is wound around the tape supply core 23 with the back side of 40 facing outward.

  The printing tape 34 has a sticking agent 45 applied to the back side of the label tape 41 (label 42), and is attached to the back side of the label 42 peeled from the peeling tape (base tape) 40. The adhesive 45 is attached, but conversely, the adhesive 45 is applied on the base tape 40, and the label 42 is peeled off from the base tape 40 on the back side of the label 42. You may give the process which does not remain.

The tape supply core 23 around which the printing tape 34 is wound is rotatable in a direction in which the printing tape 34 is fed out to an upright shaft 23a formed integrally with the lower case 22b of the cassette case 22 and a direction in which the printing tape 34 is pulled back. Are mated. As a result, in order to align the manual alignment mark 44a of the printing tape 34 with a predetermined reference position of the tape cassette 21, the printing tape 34 is moved in the direction of feeding out from the cassette case 22 or moved back. be able to.
The ribbon supply core 24 around which the ink ribbon 35 is wound is rotatably fitted to an upright shaft 24a formed integrally with the lower case 22b, and the ribbon take-up core 25 is interposed between the upper case 22a and the lower case 22b. Is rotatably supported.

  The roll-shaped printing tape 34 wound around the tape supply core 23 is in a state in which the small edge surfaces 34 a on both sides in the width direction protrude from both ends of the tape core 23. Then, the adhesive tape 45 is prevented from sticking out from the both small facets 34a to the both small facets 34a of the printing tape 34, and the winding of the print tape 34 in a roll-like state is loosely wound. In order to prevent the film from being scattered, a film-like cover member 39 made of, for example, a plastic material is attached. Each cover member 39 has an adhesive on the inner surface, and is attached to the small edge surface 34a of the printing tape 34 via the adhesive. Each cover member 39 has a circular planar donut shape with an outer diameter dimension slightly larger than the outer diameter dimension of the printing tape 34, and is attached so as to cover the entire area of the small edge surface 34a.

  Further, a plurality of ribs 20 extending radially about the upright shaft 23a are integrally formed on the inner surface of the lower case 22b of the cassette case 22, and the ribs 20 are formed on one of the small edge surfaces 34a of the printing tape 34. The attached cover member 39 is slidably in contact. Similar radial ribs are also formed on the inner surface of the upper case 22a of the cassette case 22.

  A part of the outer wall of the cassette case 22 is formed into a concave shape, and the thermal head 9 is disposed when the cassette case 22 is attached to the printing apparatus 1, and a head insertion portion 26 serving as a printing position where printing is performed on the printing tape 34. Is provided. On one side of the head insertion portion 26 (upstream in the transport direction of the printing tape 34 and the ink ribbon 35), a feeding outlet for feeding the printing tape 34 and the ink ribbon 35 to the outside of the cassette case 22 is provided. 28 is formed, and on the other side of the head insertion portion 26 (on the downstream side in the transport direction of the printing tape 34 and the ink ribbon 35), a ribbon for returning the ink ribbon 35 into the cassette case 22 is provided. A return port 32 is formed. The outer surface of the side wall of the cassette case 22 on the downstream side of the head insertion portion 26 serves as a guide surface 30 that causes the printing tape 34 to run and be discharged out of the cassette case 22.

At a predetermined position of the guide surface 30, a label 42 to be printed on the print tape 34 (a label closest to the front end of the tape) using a manual alignment mark 44 a provided on the print tape 34 by a user's manual operation. Is provided with an alignment portion 31 for performing alignment so as to correspond to the printing position of the printing apparatus 1.
The alignment portion 31 serves as a reference position for alignment of the leading end of the printing tape 34 using the hand alignment mark 44 a and is guided by the printing tape 34 that is conveyed by the platen roller 8 and travels along the guide surface 30. A side end guide piece 31a which stands on the guide surface 30 and restricts the movement of the print tape 34 in the width direction to prevent meandering of the print tape 34; A presser piece 31b that is disposed so as to be opposed to prevent the printing tape 34 from lifting from the guide surface 30 is integrally provided.
In addition, while providing a pair of guide member which has the side edge part guide piece 31a and the holding piece 31b of illustration, you may provide the reference position which aligns the mark 44a for a hand alignment separately. In that case, as long as the alignment part 31 has the function of alignment of the printing tape 34, it may be a mark such as a mark by printing or the like, and its shape can be arbitrary. .

  Further, a plurality of support receiving portions 27 supported by the support portion 11 in the cassette mounting portion 6 are formed at the corners of the cassette case 22 of the tape cassette 21. Although not shown, one of the support receiving portions 27 is provided with an identification portion having a predetermined shape for selectively turning on / off a plurality of micro switches of the cassette detection sensor 14. Thus, it is possible to provide information on the type of the tape cassette mounted on the cassette mounting unit 6. In this printing apparatus, a plurality of types of tape cassettes containing printing tapes having different label shapes and sizes are prepared, and the types of these tape cassettes can be identified.

The cassette case 22 is guided so as to face the moving path of the printing tape 34 at a position near the outlet 28 of the cassette case 22, that is, at a downstream end position of the moving path in which the printing tape 34 moves in the cassette case 22. The member 50 is formed integrally with the lower case 22 b and is fixedly provided in the cassette case 22.
FIG. 6 shows an enlarged view of the guide member 50. The guide member 50 has a plate shape, is spaced apart from and parallel to the edge portion 28a of the delivery port 28, and narrows the moving path of the printing tape 34 from the cassette case 22 toward the delivery port 28. The printing tape 34 is arranged so as to be inclined at the downstream end of the moving path of the printing tape 34.

The width of the guide member 50 is the same as or larger than the width of the printing tape 34. The entire area of the plate surface excluding the downstream end of the guide member 50 is moved toward the outlet 28 by the user's feeding operation when the tip of the printing tape 34 enters the cassette case 22. Thus, the downstream end portion of the guide member 50 is a label sticking surface guide portion 52 including a guide surface 52 a continuous with the tape tip guide portion 51.
The label attaching surface guide portion 52 is located slightly above the edge portion 28a of the delivery port 28, and the printing tape 34 fed out of the cassette case 22 from the delivery port 28 is attached to the label attaching surface during a printing operation. The label sticking surface of the printing tape 34 contacts the guide surface 52a of the surface guiding portion 52 in the entire width direction, and moves outside the device through the printing position of the printing device 1 while maintaining this state. ing.
Further, when the leading end of the printing tape 34 is aligned when the tape cassette 21 is first mounted on the cassette mounting portion 6 prior to the printing operation, the label attaching surface of the printing tape 34 is in the width direction. The label sticking surface guide 52 is brought into contact with the entire area. And the shape of the cross section along the moving direction of the printing tape 34 of the guide surface 52a of the label sticking surface guide part 52 is a substantially partial circle shape with the radius R, as shown in FIG. It is 0 mm.

The inventor confirmed whether or not label peeling occurred in each case where the radius R of the curved surface of the guide surface 52a was 0.5 mm, 0.7 mm, 0.8 mm, 1.0 mm, and 2.0 mm. Went. According to the result, it was confirmed that in each case where the radius R of the curved surface of the guide surface 52a was 0.5 mm and 0.7 mm, the edge of the label was peeled off and there was a practical problem. On the other hand, in each case where the radius R of the curved surface of the guide surface 52a is 0.8 mm, 1.0 mm, and 2.0 mm, no peeling of the label is recognized and it can be confirmed that there is no practical problem.
As a result of this confirmation, the radius R of the curved surface of the guide surface 52a needs to be at least 0.8 mm, more preferably 1.0 mm or more. Based on such a confirmation test, the guide surface 52a of the label sticking surface guide portion 52 is set to a curved surface shape and a curved surface radius that can prevent the label from peeling off in response to the operation of moving the printing tape 34 to the tape cassette 21. As a result, the sliding load between the sticking surface of the label 42 and the guide surface 52a when the printing tape 34 is fed out is kept small, and the label 42 is more easily caught on the guide surface 52a when the printing tape 34 is pulled back. It can be surely prevented.

In addition, the downstream end of the moving path of the printing tape 34 located in the vicinity of the head insertion section 26 is located at the outer peripheral position of the tape storage section 22a so as to face the moving path of the printing tape 34, and the delivery port 28. A first operation window 43 a is formed in the outer wall of the cassette case 22 so as to be connected to the outer wall of the cassette case 22.
The first operation window 43a is used when the above-described alignment operation of the leading end of the printing tape 34 is performed. The user inserts a fingertip through the first operation window 43a and the printing tape. The print tape 34 can be moved in the feed-out direction or the pull-back direction by pressing the fingertip against the surface of the release tape 40 on the back side of the print 34. Since the first operation window 43a is provided at the downstream end of the movement path of the printing tape 34 on which the guide member 50 is provided, the guide member 50 moves along the movement path of the printing tape 34. In the meantime, it is arranged at a position facing the first operation window 43a.

Also, a finger core is pressed against the peeling tape 40 side of the print tape 34 inserted into the outer surface of the cassette case 22 positioned upstream of the first operation window 43a and wound around the tape core 23. A second operation window 43b is provided for rotating the printing tape 34 in the feeding direction by rotating the printing tape 23.
The second operation window 43b is used when the tip of the printing tape 34 enters the cassette case 22 beyond the first operation window 43a. By using this window 43b, the second operation window 43b is used. The leading end of the printing tape 34 can be fed out. 46 is a tape presser provided in the vicinity of the delivery port 28 in the first operation window 43a.

Next, the operation procedure of the user when printing on the label 42 by the printing apparatus 1 using the tape cassette 21 will be described. First, when the user mounts the tape cassette 21 in the cassette mounting portion 6 of the printing apparatus 1, the user performs an alignment operation of the leading end of the printing tape 34.
As shown in FIG. 2, the alignment portion 31 of the tape cassette 21 is positioned between a pair of the most advanced hand alignment marks 44a, 44a provided on the back side corresponding to each label 42. The proper tape tip position is when the tape is on. When the tape cassette 21 is mounted on the printing apparatus 1 in this state and printing is started, the most advanced label 42 located immediately downstream of the pair of hand alignment marks 44a, 44a aligned with the alignment section 31. Printing is performed so as to fit within the area.
If the leading end of the printing tape 34 is fed downstream from the state of FIG. 2, it must be returned to the upstream side, and if the leading end of the printing tape 34 is retracted upstream from the state of FIG. It is necessary to feed out downstream.
FIG. 10 shows a case where the leading end of the printing tape 34 has protruded too far downstream. In this case, as shown in FIG. 11, the user faces the first operation window 43a and the alignment portion 31 upward. The tape cassette 21 is held in such a posture, and a finger is attached to the back side of the printing tape 34 in the first operation window 43a so that the printing tape 34 is pulled back into the cassette case 22. The tip alignment is performed by the alignment unit 31 and the hand alignment mark 44a.

As described above, before the tape cassette 21 is mounted in the cassette mounting portion 6, the fingertip is pressed against the printing tape 34 exposed in the first operation window 43 a so that the printing tape 34 is pulled out or pulled back. The hand mark 44a on the back surface of the printing tape 34 is moved in the direction to align it with the alignment portion 31 of the cassette case 22. When the printing tape 34 is moved in the retracting direction, the label 42 is It passes over the label sticking surface guide portion 52 of the guide member 50. The label attaching surface guide portion 52 includes a curved guide surface 52a. Therefore, even when the edge of the label 42 is lifted from the peeling tape 40, the label 42 is guided to the label attaching surface. The label 52 can smoothly pass over the label sticking surface guide portion 52 without being caught by the portion 52, and therefore, the label 42 can be prevented from peeling off.
Further, the entire area of the printing tape 34 in the width direction is in contact with the guide surface 52a of the label sticking surface guide portion 52. Therefore, the pressure of the fingertip of the user who operates the printing tape 34 is applied to the printing tape 34. Even if added, the printing tape 34 does not bend in the width direction, and the peeling of the label 42 can be prevented more reliably.

Further, when the tip of the printing tape 34 is at least in the first operation window 43a, the finger can be put into the first operation window 43a and the printing tape 34 can be pulled out for alignment. When the tip of the tape 34 has further entered the cassette case 22 on the upstream side, a finger is inserted into the second operation window 43b to rotate the tape supply core 23 in the tape feeding direction, and the printing tape 34 Is moved toward the first operation window 43a. Since the guide member 50 is provided in the first operation window 43a, if the tape supply core 23 is rotated in the tape feeding direction, the operation of the printing tape 34 is performed as shown in FIG. The tip abuts against the tape tip guide 51 of the guide member 50.
The tape leading end guide 51 is inclined obliquely toward the feeding direction of the printing tape 34, so that the leading end of the printing tape 34 moves along the tape leading guide 51 and reaches the feeding outlet 28. It is smoothly fed out from the outlet 28. Hereinafter, the alignment work may be performed by an operation using the first operation window 43a.

  Thus, even if the tip of the printing tape 34 enters the inside of the cassette case 22, the re-feeding can be performed smoothly and easily, so that the tape cassette 21 is not disabled.

  After the alignment of the leading end of the printing tape 34 by the above procedure, the tape cassette 21 is mounted on the cassette mounting portion 6 of the printing apparatus 1. By mounting the tape cassette 21 on the cassette mounting portion 6, the thermal head 9 is disposed in the head insertion portion 26 of the tape cassette 21 and the ink ribbon winding shaft 10 is fitted into the ribbon winding core 25. At this time, the sensor detection mark 44 b corresponding to the most advanced label 42 is located on the upstream side of the mark detection sensor 13 of the printing apparatus 1. From this state, when there is an instruction to start printing, the platen roller 8 is driven and the printing tape 34 and the ink ribbon 35 are transported in an overlapping manner. First, the sensor detection mark 44 b passes through the position of the mark detection sensor 13. The thermal head 9 is driven based on this detection signal, and printing is performed in the area of the label 42.

If the number of prints of the label 42 is set to one, after one label printing is completed, the tape transport is stopped after a predetermined distance of tape transport, and a message prompting the cutter operation is displayed on the display unit 4. When the user operates the cutter 18 by operating the cutter operation button 18a according to the message, the most advanced one label 42 is separated. In this state, the tip of the printing tape 34 is in the state shown in FIG.
If the number of prints is set to a plurality of sheets, the set number of labels are continuously printed every time the sensor detection mark 44b is detected. When the printing is completed, the tape transport is stopped after the tape transport for a predetermined distance. Then, a message prompting the cutter operation is displayed on the display unit 4. When the user operates the cutter 18 by operating the cutter operation button 18a according to the message, a plurality of labels 42 are separated from the tip. In this state, the tip of the printing tape 34 is in the state shown in FIG. Therefore, once the leading end of the printing tape 34 is aligned using the hand alignment mark 44a when mounted on the printing apparatus 1, the leading end position may be moved by taking the tape cassette 21 out of the printing apparatus 1 or the like. Unless otherwise, printing can be performed continuously without aligning the tip.

  In this printing apparatus 1, the platen roller 8 is driven to rotate in only one direction, and the printing tape 34 fed out from the tape cassette 21 is only conveyed downstream, so that the sensor corresponding to the most advanced label 42 is used. When the detection mark 44b is positioned downstream from the position of the mark detection sensor 13 and printing is started, the state-of-the-art sensor detection mark 44b is not recognized, and printing on the state-of-the-art label 42 cannot be performed. Printing is performed on the second and subsequent labels from the tip that can be detected by 44b, and the label is wasted. Such inconvenience can be avoided by performing the above-described tip alignment.

  FIG. 12 shows a modification of the guide member 50. In this case, the guide member 50 is a label that guides the tape tip guide portion 51 that guides the tip of the printing tape and the label attaching surface of the printing tape. The cross-sectional shape of the label sticking surface guide 52 along the moving direction of the printing tape is a substantially semicircular shape having a diameter substantially the same as the plate thickness of the guide member 50. . The radius R of the substantially semicircular guide surface 52a of the label attaching surface guide portion 52 is 1.0 mm. In such a guide member 50, the same effect as that of the above embodiment can be obtained.

  FIG. 13 shows another modified example of the guide member 50. In this case, the guide member 50 guides the leading end guide portion 51 for guiding the leading end of the printing tape and the label attaching surface of the printing tape. The label sticking surface guide portion 52 has a substantially circular shape in cross section along the moving direction of the printing tape of the label sticking surface guide portion 52. The radius R of the substantially circular guide surface 52a of the label sticking surface guide portion 52 is 2.0 mm. In such a guide member 50, the same effect as that of the above embodiment can be obtained.

  FIG. 14 shows still another modified example of the guide member 50. In this case, the guide member 50 includes a tape tip guide portion 51 for guiding the tip of the printing tape, and a label attaching surface of the printing tape. A label sticking surface guide portion 52 for guiding the guide surface 52a, and the cross section of the label sticking surface guide portion 52 along the moving direction of the printing tape has a substantially chevron shape, and the top of the chevron has a smooth curved guide surface 52a. It has become. The radius R of the guide surface 52a of the label sticking surface guide portion 52 is 1.0 mm. In such a guide member 50, the same effect as that of the above embodiment can be obtained.

  In the above-described embodiment, a label tape with a sticking agent is attached to the release tape, and a label having a predetermined shape is formed by forming a cut line on the label tape to form a printing tape having a label. However, it may be a case where a plurality of labels formed by punching in a predetermined shape in advance are pasted on the release tape with a predetermined interval, respectively, and pasted with an adhesive to form a print tape.

In the embodiment, the tape transport mechanism of the printing apparatus transports the printing tape only in the direction in which the printing tape is fed out from the tape cassette, and the printing tape is used for the purpose of the user performing a predetermined alignment process of the tape. It has been explained that the sheet is moved by manual operation in both directions of feeding out from the cassette case or rewinding.
However, the tape cassette of the present invention is not limited to a printing apparatus provided with a tape transport mechanism that transports the printing tape only in one direction toward the outside of the tape cassette, and the direction in which the printing tape is fed out from the tape cassette. Alternatively, the present invention can also be used for a printing apparatus that includes a tape transport mechanism capable of transporting in both directions of rewinding and performs predetermined processing by transporting the printing tape.
That is, in that case, the tape is not automatically moved by the user's manual operation of the embodiment, but the tape is automatically conveyed by the tape conveying mechanism using the motor as a drive source. Even in the case of automatic transport of tape by the apparatus, the tape cassette configured as in the present invention can prevent the peeling of the label as in the case of manual operation, and can prevent the leading end of the tape that has entered the cassette case. The effect that re-feeding out of the cassette case can be facilitated can be obtained.

Next, a tape cassette according to a second embodiment will be described with reference to FIGS. In addition, about the component same as 1st Embodiment, a common code | symbol is attached | subjected and the description is abbreviate | omitted suitably. FIG. 15 is an exploded perspective view of the tape cassette according to the second embodiment of the present invention, and FIGS. 16 and 17 show the structure of the main part thereof.
In the tape cassette 21 of the first embodiment, the guide member 50 is fixed to the cassette case 22. However, in the tape cassette 21 a of the second embodiment, the guide member 60 rotates to the cassette case 22. The difference from the first embodiment is that the guide member 60 is urged toward the roll-shaped printing tape 34 wound around the tape supply core 23 by the spring 66 while being provided freely.
The guide member 60 is disposed and provided at the downstream end portion of the moving path of the printing tape 34, and the guide member 60 also has a plate shape like the guide member 50 of the tape cassette 21 of the first embodiment. It arrange | positions so that it may space apart from the edge part 28a of the delivery port 28, and may be located in parallel. The width of the guide member 60 is the same as or larger than the width of the printing tape 34.
The entire area of the plate surface excluding the downstream end of the guide member 60 is moved toward the outlet 28 by the user's feeding operation when the tip of the printing tape 34 enters the cassette case 22. The leading end guide portion 61 of the guide is configured as described above, and the downstream end portion of the guide member 60 is a label attaching surface guide portion 62 including a guide surface 62 a continuous with the tape leading end guide portion 61. The label sticking surface guide portion 62 is located slightly above the edge portion 28a of the outlet 28, and the printing tape 34 fed out of the cassette case 22 from the outlet 28 is attached to the label sticking during the printing operation. The label attaching surface of the printing tape 34 contacts the guide surface 62a of the surface guide portion 62 in the entire width direction, and moves outside the apparatus through the printing position of the printing apparatus 1 while maintaining this state. ing.
In addition, when the leading end of the printing tape 34 is aligned when the tape cassette 21a is first mounted on the cassette mounting portion 6 of the printing apparatus 1 prior to the printing operation, the label attaching surface of the printing tape 34 is The label sticking surface guide portion 62 comes into contact with the entire area in the width direction. And the shape of the cross section along the moving direction of the printing tape 34 of the guide surface 62a of the label sticking surface guide part 62 is a substantially partial circle shape of the radius R, as shown in FIG. It is 0 mm.

Also in the second embodiment, the inventor makes the label in each case where the radius R of the curved surface of the guide surface 62a is 0.5 mm, 0.7 mm, 0.8 mm, 1.0 mm, and 2.0 mm. A confirmation test was performed to determine whether peeling occurred. According to the result, it was confirmed that in each case where the radius R of the curved surface of the guide surface 62a was 0.5 mm and 0.7 mm, the edge of the label was peeled off and there was a practical problem. On the other hand, in each case where the radius R of the curved surface of the guide surface 62a is 0.8 mm, 1.0 mm, and 2.0 mm, no peeling of the label is recognized and it can be confirmed that there is no practical problem.
As a result of this confirmation, the radius R of the curved surface of the guide surface 62a needs to be at least 0.8 mm, more preferably 1.0 mm or more. Based on such a confirmation test, the guide surface 62a of the label sticking surface guide portion 62 is set to a curved surface shape and a curved surface radius that can prevent the label from peeling off in response to the operation of moving the printing tape 34 to the tape cassette 21a. As a result, the sliding load between the sticking surface of the label 42 and the guide surface 62a when the printing tape 34 is fed out is kept small, and the label 42 is more likely to be caught on the guide surface 62a when the printing tape 34 is pulled back. It can be surely prevented.

  Support shafts 65 are provided on both sides of the label sticking surface guide portion 62, and the support shafts 65 are supported by bearings (not shown) formed on the upper case 22a and the lower case 22b of the cassette case 22. . Both ends of the support shaft 65 are locked by locking portions 67 and 68 provided on the guide member 60 and the cassette case 22 side, and a spring 66 is provided. The spring 66 feeds the guide member 60 to the tape. The upstream end of the guide member 60 opposite to the label sticking surface guide portion 62 is elastically biased toward the core 23 and contacts the back surface of the printing tape 34 wound around the tape supply core 23. It comes to touch. In this case, as shown in FIG. 18, the distance obtained by adding the distance L from the rotation center of the guide member 60 to the upstream end of the guide member 60 and the radius A of the tape supply core 23 is the rotation of the guide member 60. The relationship is equal to or greater than the distance D between the center and the center of the tape supply core 23 (D ≦ R + L).

FIG. 19 shows an initial use state of the tape cassette 21a of the second embodiment, and FIG. 20 shows a state in use. As shown in the drawing, the roll diameter gradually decreases as the printing tape 34 is consumed for printing. However, in the tape cassette 21 of the first embodiment, the upstream end of the guide member 50 is reduced when the roll diameter is reduced. A gap is formed between the printing portion 34 and the printing tape 34 in a roll state, and this gradually expands.
As described above, when the leading end of the printing tape 34 enters the cassette case 22, the feeding operation is performed using the second operation window 44b. Originally, the leading end of the printing tape 34 is guided by the guide member 50 and is re-drawn out of the cassette case 22. However, because of the gap, a roll-shaped printing tape including the leading end is provided. There are cases where the tip of the printing tape 34 does not get caught on the guide member 50 simply by rotating 34 within the cassette case 22. This tendency increases when the consumption of the printing tape 34 progresses and the gap becomes larger.

  On the other hand, in the tape cassette 21a of the second embodiment, the guide member 60 is urged by the spring 66, and the upstream end thereof is wound on the outer peripheral surface of the printing tape 34 wound around the tape supply core 23. The gap does not occur due to elastic contact. For this reason, even if the leading end of the printing tape 34 enters the cassette case 22, if the rolled printing tape 34 is rotated in the feeding direction by a feeding operation, the leading end of the printing tape 34 is guided by the guide member 60. Can be reliably guided to the outside of the cassette case 22.

Further, in the tape cassettes 21 and 21a, the cover tape 39 with a sticking agent is provided on the small end surface of the roll-shaped print tape 34, thereby preventing the print tape 34 from being scattered. When the printing tape 34 is scattered, the winding of the printing tape 34 wound on the tape supply core 23 is loosened, and the winding diameter of the printing tape 34 on the outer peripheral portion of the roll is enlarged in the cassette case 22. As a result, there is a disadvantage that the leading end of the printing tape 34 is pulled back into the cassette case 22 and enters.
As described above, the cover member 39 for preventing the dispersion is provided. However, the adhesive of the cover member 39 is weakened due to a change with time, and the sticking may be caused by an impact such as a drop when handling the tape cassette. A portion of the printing tape 34 that comes out or enters the cassette case 22 while the printing tape 34 is moved in the feed-out direction or the pull-back direction to align the leading end of the printing tape 34 is removed from the cover member 39. For example, the cover member 39 that prevents the separation may not function.
In the tape cassette 21 a of the second embodiment, the guide member 60 is always urged by the spring 66, and the upstream end thereof is brought into contact with the outer peripheral surface of the printing tape 34 wound around the tape supply core 23. Even when the adhesive force of the cover member 39 is weakened and the force for holding the printing tape 34 in the overlapped state is weakened, the printing tape 34 is held in the overlapped state by being pressed by the guide member 60, Disruption is prevented.
Further, when the dispersion occurs, the winding diameter of the printing tape 34 wound around the tape supply core 23 is enlarged. When the winding diameter is increased, the label 42 formed on the printing tape 34 by cutting. The portion cannot follow, and a difference in curvature occurs between the printing tape 34 and the label 42 portion thereon, and the label 42 may be peeled off from the peeling tape 40 at the cut portion.
According to the tape cassette 21a of the second embodiment, the guide member 60 is always urged by the spring 66 and the upstream end thereof is brought into contact with the outer peripheral surface of the printing tape 34 wound around the tape supply core 23. Since the occurrence of the variation of the printing tape 34 is suppressed by the contact, it is possible to prevent the peeling phenomenon from the peeling tape 40 of the label 42 due to the variation.

Next, a tape cassette according to a third embodiment will be described with reference to FIGS. In addition, about the same component as 1st and 2nd embodiment, a common code | symbol is attached | subjected and the description is abbreviate | omitted suitably.
FIG. 21 shows an initial use state of the tape cassette 21b of the third embodiment, and FIG. 20 shows a state in use. Similarly to the tape cassette 21a of the second embodiment, the tape cassette 21b according to the third embodiment has a guide member 70 rotatably attached to the cassette case 22 via a support shaft 75. In the tape cassette 21a of the second embodiment, the guide member 60 is biased by a spring 66, whereas in the third embodiment, the guide member 70 is not provided with a spring and rotates by its own weight. .
As shown in FIG. 10 described above, in order to align the front end of the printing tape 34, the tape cassette 21b is placed so that the first operation window 43a and the alignment portion 31 are in an upward position. When this occurs, the guide member 70 rotates about the support shaft 75 by its own weight, and the upstream end contacts the outer periphery of the printing tape 34 wound around the tape supply core 23. As a result, there is no gap between the upstream end of the guide member 70 and the outer peripheral surface of the printing tape 34 wound around the tape supply core 23, so that the leading end of the printing tape 34 is in the cassette case 22. Even if it has entered, the leading end of the printing tape 34 can be reliably guided out of the cassette case 22 by the guide member 70 by a feeding operation as in the second embodiment.
The guide member 70 has a weight of the upstream end by increasing the thickness of the upstream end so as to ensure that the tape cassette 21a is rotated by its own weight when the tape cassette 21a is held in the predetermined posture. It is desirable that the weight balance is shifted to the upstream end portion. Note that the guide member 70 of the third embodiment preferably has the same dimensional relationship as that of the guide member 60 of the second embodiment shown in FIG.

  23 to 25 show modified examples of the guide members 60 and 70 in the second and third embodiments. In the guide members 60 and 70 of the modification shown in FIG. 23, the tape tip guide portions 61 and 71 for guiding the tip of the printing tape, and the label sticking surface guide portion 62 for guiding the label sticking surface of the printing tape. , 72, and the cross-sectional shape of the label sticking surface guide portions 62, 72 along the moving direction of the printing tape is a substantially semicircular shape having substantially the same diameter as the plate thickness of the guide members 60, 70. . The radius R of the substantially semicircular guide surfaces 62a and 72a of the label sticking surface guide portions 62 and 72 is 1.0 mm. Also in such guide members 60 and 70, the same effect as the above-mentioned embodiment can be obtained.

  In the guide members 60 and 70 of the modification shown in FIG. 24, the tape front end guide portions 61 and 71 for guiding the front end of the printing tape and the label attaching surface guide portion 62 for guiding the label attaching surface of the printing tape. , 72, and the cross-sectional shape of the label sticking surface guide portions 62, 72 along the moving direction of the printing tape is substantially circular. The radius R of the substantially circular guide surfaces 62a and 72a of the label attaching surface guide portions 62 and 72 is set to 2.0 mm. Also in such guide members 60 and 70, the same effect as the above-mentioned embodiment can be obtained.

  In the guide members 60 and 70 of the modified example shown in FIG. 25, the tape tip guide portions 61 and 71 for guiding the tip of the printing tape, and the label sticking surface guide portion 62 for guiding the label sticking surface of the printing tape. 72, and the cross-sectional shape along the moving direction of the printing tape of the label sticking surface guide portions 62, 72 is a substantially mountain shape, and the crest portions thereof are smooth curved guide surfaces 62a, 72a. . The radius R of the guide surfaces 62a and 72a of the label sticking surface guide portions 62 and 72 is 1.0 mm. Also in such guide members 60 and 70, the same effect as the above-mentioned embodiment can be obtained.

FIG. 2 is a perspective view showing an appearance of a printing apparatus to which the tape cassette of the present invention is mounted. The perspective view which shows the external appearance of the tape cassette which concerns on the 1st Embodiment of this invention. The perspective view of the decomposition | disassembly state of the tape cassette. The top view which shows the internal structure of the tape cassette. Sectional drawing which follows the AA line in FIG. 4 of the tape cassette. The side view which expands and shows the guide member in the tape cassette. The top view seen from the back surface of the tape for printing in the tape cassette. The top view seen from the surface of the tape for printing in the tape cassette. Sectional drawing of the tape for printing in the tape cassette. The perspective view which shows a state when the front-end | tip of the printing tape of the tape cassette has come out too much downstream. The perspective view which shows the state at the time of the operation at the time of pulling back the printing tape which the tape cassette has come out too much. The side view which shows the modification of the guide member of the tape cassette. The side view which shows the other modification of the guide member of the tape cassette. The side view which shows the further different modification of the guide member of the tape cassette. The perspective view of the decomposition | disassembly state of the tape cassette which concerns on the 2nd Embodiment of this invention. The side view of the guide member in the tape cassette. The perspective view of the guide member in the tape cassette. The top view which shows the internal structure of the tape cassette. The top view which shows the internal state at the time of the initial use of the tape cassette. The top view which shows the internal state in the middle of use of the tape cassette. The top view which shows the internal state at the time of the use initial stage of the tape cassette which concerns on the 3rd Embodiment of this invention. The top view which shows the internal state in the middle of use of the tape cassette. The side view which shows the modification of the guide member of the tape cassette which concerns on the 2nd and 3rd embodiment of this invention. The side view which shows the other modification of the guide member of the tape cassette. The side view which shows the further another modification of the guide member of the tape cassette which differs further.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Printing apparatus 2 ... Apparatus main body 3 ... Key input part 4 ... Display part 5 ... Opening / closing cover 6 ... Cassette mounting part 8 ... Platen roller 9 ... Thermal head 13 ... Mark detection sensor 14 ... Cassette detection sensor 17 ... Tape discharge port 21 21a. 21b ... Tape cassette 22 ... Case case 23 ... Tape supply core 24 ... Ribbon supply core 25 ... Ribbon take-up core 28 ... Feed outlet 30 ... Guide surface 31 ... Alignment section 34 ... Print tape 35 ... Ink ribbon 40 ... Base material Tape 41 ... Label tape 42a ... Cut line 42 ... Label 43a ... First operation window 43b ... Second operation window 44b ... Sensor detection mark 44a ... Hand alignment mark 50.70.70 ... Guide member 51.71.71 ... Tape end guide part 52.62.72 ... Label sticking surface guide part 52a. 62a. 72a ... guide surface 65.75 ... support shaft 66 ... spring

Claims (10)

Cassette case,
A plurality of labels having a printing surface on which a surface is printed on a base tape, and a printing tape wound around a supply core and housed in the cassette case,
The printing tape is detachably attached to the printing apparatus, and the printing tape is fed from the cassette case to a printing position where printing is performed by the printing apparatus, and printing is performed on the label, while the label is printed on the printing position. In order to correspond to the tape cassette is capable of moving in both the inside and the outside of the cassette case,
A guide member that is provided in a movement path of the printing tape inside the cassette case, and that guides the printing tape that moves toward both the inside and the outside of the cassette case along the movement path;
When the leading end of the printing tape enters the inside of the cassette case, the guide member moves the leading end of the printing tape toward the outside of the cassette case according to the moving operation. A tape tip guide that guides toward
A guide surface that is provided continuously to an end portion of the tape leading-end guide portion and abuts on the label attachment surface side of the printing tape in substantially the entire region in the tape width direction; In order to prevent peeling from the base tape, a label sticking surface guide portion formed in a curved shape corresponding to the moving direction of the printing tape toward the inside of the cassette case is provided. Tape cassette to be used.   2. The tape cassette according to claim 1, wherein the guide member is fixedly provided at a downstream end portion of the movement path in the cassette case.   The guide member is rotatably provided at a downstream end portion of the moving path in the cassette case, and an end portion of the tape tip guide portion is wound around the supply core. 2. The tape cassette according to claim 1, further comprising a spring that urges the printing tape so as to abut against an outer peripheral surface on the opposite surface side of the label to which the label is attached.   The guide member is rotatably provided at a downstream end portion of the moving path in the cassette case, and rotates by its own weight when the cassette case is in a predetermined orientation. The end of the tape leading end guide portion abuts on the outer peripheral surface of the roll-shaped printing tape wound around the supply core on the side opposite to the label attaching surface side. The tape cassette described.   A distance obtained by adding a distance from the rotation center of the guide member to the end of the tape tip guide portion of the guide member and the radius of the supply core is a distance between the rotation center and the center of the supply core. The tape cassette according to claim 3 or 4, wherein the tape cassette is equal or larger.   6. The tape cassette according to claim 1, wherein the guide surface of the guide member has a curved surface portion having a radius of at least 0.8 mm.   The tape cassette according to any one of claims 1 to 5, wherein a cross-sectional shape of the guide surface of the guide member along the moving direction of the printing tape is a substantially semicircular shape.   The tape cassette according to any one of claims 1 to 5, wherein a cross-sectional shape of the guide surface of the guide member along the moving direction of the printing tape is substantially circular.   The tape cassette according to any one of claims 1 to 5, wherein a cross-sectional shape of the guide surface of the guide member along the moving direction of the printing tape is a substantially mountain shape. On the outer wall of the cassette case at the downstream end of the moving path, an operation window that allows the finger to come into contact with the surface opposite to the label attaching surface side of the printing tape facing the moving path. Have
The tape cassette according to any one of claims 1 to 9, wherein the guide member is provided at a position facing the operation window with the moving path in between.

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