JPH06191103A - Tape cassette and tape cassette mounting device - Google Patents

Abstract

PURPOSE:To protect a cutter tooth by preventing that a tape is cut by the cutter tooth in such a state that a tape cassette storing a pape such as a label tape composed of material quality difficult to cut by the cutter tooth provided to the tape cassette mounting device of a label printer is mounted on the tape cassette mounting device. CONSTITUTION:In a tape cassette wherein a label tape 35 is received in a cassette case 21 and freely cut by the cutter tooth 15 of a tape cutting mechanism in such a state that the cassette is mounted on the tape cassette mounting device equipped with the tape cutting mechanism, a freely detachable tape cutting preventing member 41 made of a resin having a cutter tooth receiving surface 42 preventing the cutting of the tape 35 due to the cutter tooth 15 of the tape cutting mechanism is provided to the cassette case 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape cassette such as a cassette for printing containing a tape to be printed such as a label tape, and a tape cutting mechanism capable of cutting the tape to be printed by mounting the printing cassette. The present invention relates to a tape cassette mounting device such as a printing device provided, and more particularly to a tape cassette and a tape cassette mounting device capable of preventing cutting of a tape as necessary.

[0002]

2. Description of the Related Art As a printing apparatus, a handy type printing apparatus that can easily print a desired area at a desired place has been widely used. As one of the handy type printing devices, it is possible to print desired information on an adhesive tape with release paper, cut the printed adhesive tape with a tape cutting mechanism, and use it as a label. There is a so-called label printer. And, the conventional printing cassette used in such a label printer is
A so-called label tape and an ink ribbon are housed in a cassette body, mounted on a label printer, and desired information is printed on the label tape by the print head such as a thermal head of the label printer using the ink ribbon. After the printing, the ink ribbon is rewound inside the cassette body,
Only the label tape is sent out of the cassette body, and the label tape is pushed out at a predetermined position by the cutter teeth of the tape cutting mechanism provided in the label printer.

[0003]

As described above, according to the label printer having the tape cutting mechanism, the user can easily cut the label tape after printing. However, some types of label tape are made of a material that is difficult to cut with the cutter teeth of the label printer.
For example, a glossy surface reflection tape made of aluminum foil or glass powder, a fluorescent tape coated with fluorescent paint, and the like. Therefore, if the user does not know the label tape made of a material that is difficult to cut with the cutter teeth of such a label printer or mistakenly performs the cutting operation with the cutter teeth of the label printer,
It is conceivable that a tooth spill will occur on the cutter tooth and cutting may not be possible.

Therefore, an object of the present invention is to mount a tape cassette containing a tape such as a label tape made of a material which is difficult to cut with a cutter tooth provided in a tape cassette mounting device such as a label printer to the tape cassette mounting device. It is an object of the present invention to provide a tape cassette capable of protecting the cutter teeth by preventing the cutter teeth from cutting the tape in this state. And the present invention is
The tape cassette equipped with the tape cassette mounting device cannot be mounted unless the cutter cartridge part including the cutter tooth is removed when mounting the tape cassette containing tape such as label tape made of a material that is difficult to cut with the cutter teeth to the tape cassette mounting device. It is also an object of the present invention to provide a tape cassette and a tape cassette mounting device capable of protecting the cutter teeth.

[0005]

SUMMARY OF THE INVENTION In order to solve the above problems, the invention according to claim 1 is a tape which is mounted in a tape cassette mounting device which comprises a tape in a cassette body and which has a tape cutting mechanism. In the cassette, the cassette body is provided with a tape cutting prevention member for preventing the tape cutting by the tape cutting mechanism. According to a second aspect of the present invention, a cassette loading section in which a tape cassette having a tape cutting prevention member provided in the cassette body is loaded, and a tape accommodated in the cassette body loaded in the cassette loading section. And a tape cutting mechanism for cutting. The tape cutting prevention member is made of, for example, a resin which is detachable from the cassette body and has a cutter tooth receiving surface for receiving the cutter teeth of the tape cutting mechanism.

According to a fourth aspect of the present invention, in a tape cassette mounted in a tape cassette mounting device having a tape stored in the cassette body and having a tape cutting mechanism, the tape cutting is performed in the cassette body. A cassette mounting prevention member that interferes with the mechanism and prevents the tape cassette from being mounted on the tape cassette mounting device is provided.

According to a fifth aspect of the present invention, there is provided a cassette loading section in which a tape cassette having a tape accommodated in the cassette body is loaded, and cutting of the tape in the cassette body loaded in the cassette loading section. In a tape cassette mounting device having a tape cutting mechanism for performing, a portion of at least cutter teeth of the tape cutting mechanism is detachably configured and provided.

[0008]

According to the first aspect of the present invention, the tape cutting prevention member for preventing the tape cutting by the tape cutting mechanism provided in the tape cassette mounting device is provided in the cassette body. When a tape cassette containing a tape such as a label tape made of a material that is difficult to cut with the cutter teeth provided in the cassette mounting device is mounted in the tape cassette mounting device, the tape cutting by the cutter teeth is provided in the cassette body. It is blocked by the tape cut prevention member. Therefore, the cutter teeth can be protected from damage. According to the second aspect of the present invention, a cassette loading section, in which a tape cutting prevention member is provided in the cassette main body, is mounted, and the cassette loading section is accommodated in the cassette main body. Since the tape cutting mechanism for cutting the existing tape is provided, when the cassette body containing the tape of the material difficult to cut by the tape cutting mechanism is mounted in the cassette loading section, Even if the tape cutting operation is erroneously performed, the cutting operation can be reliably prevented by the tape cutting prevention member provided in the cassette body. As a result, damage to the tape cutting mechanism can be prevented. By using a detachable tape cutting prevention member in the cassette body, the tape cutting prevention member can be attached or detached by the user in addition to being on the market. Further, by using a resin tape cutting prevention member having a cutter tooth receiving surface for receiving the cutter tooth of the tape cutting mechanism, the cutter tooth receiving surface has a cushioning property when receiving the cutter tooth, Can be protected.

According to the fourth aspect of the invention, since the cassette body is provided with the cassette mounting preventing member that interferes with the tape cutting mechanism and prevents the tape cassette mounting device from being mounted, the label mounting device is not provided. When a tape cassette containing a tape such as a label tape made of a material that is difficult to cut with the cutter teeth provided in the tape cassette mounting device is mounted in the tape cassette mounting device, it cannot be mounted as it is. Therefore, the cutter teeth can be protected from damage.

According to the fifth aspect of the present invention, since the tape cutting mechanism is provided with at least the portion including the cutter teeth in the cassette loading portion of the tape cassette loading device, the label printer and the like. When installing a tape cassette containing a tape, such as a label tape made of a material that is difficult to cut with the cutter teeth provided in the tape cassette mounting device, into the tape cassette mounting device, insert the cutter cartridge part including the cutter teeth in front of it. You can remove it. Therefore, the tape cutting operation cannot be performed, and the cutter teeth can be protected from damage.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a tape cassette and a tape cassette mounting apparatus according to the present invention will be described below with reference to FIGS. First, FIGS. 1 to 5 show a first embodiment of the present invention. In FIG. 1, which shows a printer 1 as an example of a tape cassette mounting apparatus to which the present invention is applied,
Is a device body, 3 is a key input unit, 4 is a display unit, 5 is a cassette loading unit, 6 is a drive shaft, 7 and 8 are positioning pins, 9 is a tape ejection port, 11 is a print head (thermal head),
2 is a platen roller, 13 is a tape cutting mechanism, 14 is a cutter lever, and 15 is a cutter tooth.

As shown in the figure, the printer 1 as a tape cassette loading device is provided with a key input part 3 and a display part 4 on a device main body 2 and a cassette loading part 5 formed therein. A lid (not shown) is provided above the portion 5 so as to be openable and closable by a hinge connection or the like. The key input unit 3 is provided with a character input key for creating a character string data such as a label print name, a headline, and an index, a kana / kanji conversion key, and a line feed key. Character string data, message data, and the like based on key input are displayed on the display unit 4.

The cassette loading portion 5 formed by a concave portion having a rectangular shape in plan view is provided with a drive shaft 6 on the right side in the figure, a positioning pin 7 on the left side in the figure, and a positioning pin 8 on the upper right side in the figure, and cuts a side wall portion on the right side in the figure. The tape discharge port 9 which is lacking is formed. In the cassette loading section 5, a thermal head 11 which is a print head protruding from the bottom surface on the display section 4 side, a platen roller 12, and a tape cutting mechanism 13 are further arranged. The tape cutting mechanism 13 is arranged so as to face the positioning pin 8 on the right side of the thermal head 11 in the drawing.
Built into the side. That is, the tape cutting mechanism 13
The apparatus main body 2 is provided with a cutter lever 14 assembled in the upper right corner of the drawing, and cutter teeth 15 that are advanced from the display unit 4 side by the rotation operation of the cutter lever 14.

The tape cassette used in the above printing apparatus 1 is the printing cassette 20 shown in FIG. That is, the printing cassette 20, which is a tape cassette, has an ink ribbon supply spool 32 in which an ink ribbon 31 is wound in a cassette case 21 that forms the cassette body.
And an ink ribbon take-up spool 33 for taking up the ink ribbon and a print-receiving tape supply spool 36 around which a print-receiving tape 35 is wound. Here, the ink ribbon 31 has a known structure in which a base material is impregnated with a heat-melting ink or a heat sublimation ink. The print-receiving tape 35 is a label tape formed by laminating release paper on a base material with an adhesive layer interposed therebetween.

Further, the cassette case 21 is formed with a print head accommodating recess 22 on one long side thereof, and in the print head accommodating recess 22, an ink ribbon is formed from a passage hole 23 on the right side of the drawing. 31 and the label tape 35 are led out so as to be exposed to the outside. Then, the ink ribbon 31 is returned to the inside of the cassette case 21 through a passage hole (not shown) on the left side of the print head accommodating recess 22 in the drawing, but the label tape 35 is discharged to the left side of the print head accommodating recess 22 in the drawing as it is. It has become so. That is, the cassette case 21 has upper and lower projecting pieces 24, 24 on the left side of the print head accommodating recess 22, and a tape guide pin 25 is provided between the projecting pieces 24, 24. Is the tape cutting section 26.

The above-mentioned printing cassette 20 is used in the printing apparatus 1
With respect to the cassette loading section 5 of the above, the print head accommodation recess 22 of the cassette case 21 is aligned with the thermal head 11, the ink ribbon take-up spool 33 is engaged with the drive shaft 6, and the print-receiving tape supply spool 36 is set to the positioning pin 7. At the same time, the positioning holes 27 (see FIG. 4) are aligned with the positioning pins 8 and mounted. In this mounted state, the ink ribbon 31 and the label tape 35 are sandwiched between the thermal head 11 and the platen roller 12. Then, the printing is performed by the drive shaft 6 and the platen roller 1.
This is performed by rotating the head 2 and moving the thermal head 11 to the platen roller 12 side and driving the heating element thereof.

That is, the drive shaft 6 and the platen roller 12
Rotation drive of the ink ribbon take-up spool 33
The ink ribbon 31 is wound onto the label tape 35, and the ink ribbon 31 sandwiched between the thermal head 11 and the platen roller 12 is printed on the label tape 35. After 25, the tape is discharged from the tape discharge port 9 of the printer 1. Then, normally, when the above printing is completed, the cutter lever 14 of the printer 1 is rotated to
The cutter teeth 15 are moved forward to cut the printed label tape 35 into desired lengths by the cutter teeth 15 on the surface of the tape cutting portion 26 of the cassette case 21 of the printing cassette 20.

However, among the types of the label tape 35, a material which is difficult to cut with the cutter teeth 15 of the printing apparatus 1 as described above, for example, a surface reflection tape having a luster made of aluminum foil or glass powder, and fluorescent. There is a fluorescent tape or the like formed by applying paint. Therefore, in the first embodiment of the present invention, the printing cassette 20 containing the label tape 35 made of a material difficult to cut with the cutter teeth 15 of the printing device 1 is mounted in the cassette loading portion 5 of the printing device 1. After the desired printing, the label tape 35 cannot be cut by the cutter teeth 15 even if the user turns the cutter lever 14 without knowing it or by mistake. The configuration will be described below.

3 and 4 show the relationship between the tape cutting prevention member 41 and the main part of the cassette case 21 according to the present invention. 28 is an engaging hole portion, 42 is a cutter tooth receiving surface,
43 is a protruding step portion, 44 is a tapered surface, 45 is a fitting groove,
46 is a side piece, and 47 is an engaging projection. First, a positioning hole 27 is formed in the tape cutting portion 26 of the cassette case 21.
As shown in FIG. 4, an engagement hole 28 is formed on the surface opposite to the above. The engagement hole 28 has a depth of 10 mm, for example.
It is about the same. Then, the tape cutting prevention member 41
Is made of resin, and is formed by integrally forming the cutter tooth receiving surface 42, the protruding step portion 43, the tapered surface 44, the fitting groove 45, the side piece portion 46, and the engaging protrusion 47.

That is, in the tape cutting prevention member 41, the cutter tooth receiving surface 42 and the protruding step portion 43 are formed in parallel, and the one end portion of the protruding step portion 43 is formed into a taper surface 44 which is tapered. At the same time, a fitting groove 45 is formed on the back side of the protruding step portion 43. Further, the protruding step portion 43
A side piece portion 46 is formed on the other end side of the, and an engagement protrusion 47 is formed on the inner surface of the side piece portion 46. Here, the cutter tooth receiving surface 42 is along the tape cutting portion 26, and the protruding step portion 43 is along the tape guide pin 35.
4 is located on the side of the positioning hole portion 27, and the fitting groove 45 has a semicircular cross section that is fitted and fixed in the tape guide pin 35. Further, the side piece portion 46 is located on the side of the engagement hole portion 28, and the engagement protrusion 47 fits inside the engagement hole portion 28.

The above-mentioned tape cutting prevention member 41 is engaged with the cassette case 21 of the printing cassette 20 by the engaging projection 4
7 is inserted into the engagement hole 28, and the fitting groove 45
5 into the tape guide pin 35, as shown in FIG.
As shown in, attach and fix. When the tape cutting prevention member 41 is attached, a tape outlet 49 is formed between the cutter tooth receiving surface 41 and the tape cutting portion 26. It should be noted that the tape cutting prevention member 41 may be attached such that it is attached in advance when the printing cassette 20 is commercially available, set as a set, or attached and detached as a separately sold component by the user as necessary.

In this way, the tape cutting prevention member 41
20 for printing in which the cassette is attached to the cassette case 21
When the tape is loaded into the cassette loading section 5 of the printing apparatus 1, the gap for mounting is narrowed by the amount that the tape cutting member 41 is attached, but the tape cutting member 41 is located below the protruding step portion 43. Has a taper surface 44 that is tapered and becomes easy to insert into the cassette loading portion 5,
That is, it can be easily mounted. Then, even after the same printing as described above is performed, the cutter lever 14 of the printing apparatus 1 is rotated to move the cutter teeth 15 forward, and the tape cutting portion 26 surface of the cassette case 21 of the printing cassette 20 Since the cutter tooth receiving surface 42 of the tape cutting prevention member 41 is superposed on this, the cutter tooth 15 is received by the cutter tooth receiving surface 42.

Therefore, it is impossible to cut the printed label tape 35 with the cutter teeth 15 as usual, and
The user can recognize that cutting cannot be performed by the cutter teeth 15 because the cutter lever 14 does not rotate any further. Therefore, the user stops the rotating operation of the cutter lever 14, removes the printing cassette 20 from the printing device 1, and attaches the tape cutting prevention member 41 to the printed label tape that has exited from the tape outlet 49. Separate 35 with scissors. The cutter tooth 15 is pressed against the cutter tooth receiving surface 15 of the tape cutting prevention member 41,
The tape cutting prevention member 41 is made of resin, and has a cushioning property when the cutter teeth 15 are received by the cutter tooth receiving surface 42, so that tooth spill of the cutter teeth 15 can be avoided.

As a result of the above, a label tape made of a material which is difficult to cut by the cutter teeth 15 of the printing apparatus 1, such as a surface reflection tape having a luster made of aluminum foil or glass powder, a fluorescent tape coated with fluorescent paint, etc. The printing cassette 20 containing 35 is attached to the cassette loading portion 5 of the printing apparatus 1, and after the desired printing, the cutter lever 14
Even when the is rotated, the label tape 35 cannot be cut by the cutter teeth 15, that is, damage to the cutter teeth 15 can be prevented.

Next, a second embodiment of the present invention shown in FIG. 6 will be described. In the second embodiment, the same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. In the second embodiment, as shown in the drawing, on the lower surface side of the cassette case 21 of the printing cassette 20, the side of the protruding piece portion 24 supporting the tape guide pin 25 and the tape cutting portion 26 are continuously and integrally formed. The cassette mounting prevention member 51 is formed in the shape of an extension of the protrusion. 16 in the figure
Is a cutter holder, 17 is a cutter cartridge, 18
Is a cutter guard, the cutter cartridge 17 holding the cutter teeth 15 is fixed to the cutter holder 16, and the cutter teeth 15 are movable back and forth in the cutter guard 18.

As described above, in the second embodiment of the present invention, since the cassette mounting prevention member 51 that interferes with the cutter guard 18 is provided in the cassette case 21, the glossy surface reflection tape made of aluminum foil or glass powder, Let's attach the cassette 20 for printing containing the label tape 35 made of a material which is difficult to be cut by the cutter teeth 15 of the printer 1 such as a fluorescent tape coated with fluorescent paint to the cassette loading section 5 of the printer 1. However, the cassette mounting prevention member 51 of the cassette case 21 interferes with the cutter guard 18, and if it is left as it is, the printing cassette 20
Cannot be installed. Therefore, when mounting the printing cassette 20 including such a cassette mounting prevention member 51, it is necessary to remove the previous portion from the cutter cartridge 17.

Next, a third embodiment of the present invention shown in FIG. 7 will be described. In the third embodiment, the same parts as those in the first and second embodiments are designated by the same reference numerals and the description thereof will be omitted. In the third embodiment, as shown in the drawing, in the tape cutting mechanism 13 provided in the printing apparatus 1, the tip of the cutter cartridge 17 protruding into the cassette loading section 5 is detachable. In the figure, 29 is an ink ribbon passage hole, and 39 is a tape guide roller.

That is, a wedge-shaped engaging groove portion 61 is formed on the cutter cartridge coupling surface of the cutter holder 16, and a corresponding wedge-shaped engaging protrusion 62 is formed on the cutter holder coupling surface of the cutter cartridge 17. To do.
Therefore, the cutter cartridge 17 is attachable to and detachable from the cutter holder 16 along the wedge-shaped engaging groove portion 61 and the engaging protrusion portion 62 on the cassette loading portion 5.
By the way, as shown in the drawing, on the front surface of the cutter cartridge 17, the guide pins 63, 63 and the coil springs 64,
The cutter guard 18 is held via 64, and the cutter guard 18 has a shape that abuts the tape cutting portion 26 of the cassette case 21 and has a passage hole 65 for the cutter tooth 15.

Further, as shown, the cutter lever 1
The rotation shaft 71 of No. 4 is integrally provided with a gear 72, and the gear 72 is provided with a gear 74 integrally provided with another rotation shaft 73.
Are in mesh. Then, in the long hole 75 of the gear 74,
An engagement pin 76 provided integrally with the cutter holder 16 is engaged. Further, the cutter holder 16 has a guide groove 7
7 are formed, and guide pins 78, 78 are engaged with the guide groove 77. This guide pin 78,7
8 and the rotating shafts 71 and 73 are attached to the chassis 79. Although not shown, a spring for urging the cutter lever 14 counterclockwise in the drawing is also provided.

The tape cutting mechanism 13 having the above structure is
When the cutter lever 14 is rotated clockwise in the drawing,
The gear 74 meshing with the gear 72 rotates counterclockwise in the drawing, and the engaging pin 76 that engages with the elongated hole 75 is pushed downward in the drawing. The cutter holder 16 provided with the engaging pin 76 linearly moves downward in the drawing by the engagement of the guide pins 78, 78 in the guide groove 77. As a result, the cutter guard 18 moves forward, and in the mounted state of the cassette case 21 as shown in the figure,
First, the cutter guard 18 contacts the tape cutting portion 26. Then, the cutter teeth 15 advance from the passage hole 65 of the cutter guard 18, and normally the label tape 35 after printing is cut.

As described above, in the third embodiment of the present invention, the portion of the tape cutting mechanism 13 provided in the printing apparatus 1 from the cutter cartridge 17 is replaced by the cutter holder 16.
On the other hand, the wedge-shaped engaging groove portion 61 and the engaging protrusion portion 62
Since it is configured to be detachably mounted on the cassette loading portion 5 along with, it is cut by the cutter teeth 15 of the printing device 1 such as a surface reflection tape having a luster made of aluminum foil or glass powder, a fluorescent tape coated with fluorescent paint, or the like. Printing cassette 2 containing a label tape 35 made of a material that is difficult to do
Prior to loading 0 into the cassette loading section 5 of the printing apparatus 1, the cutter teeth 15 and the cutter cartridge 17 are attached.
And the cutter guard 18 can be removed. Similarly, as in the second embodiment, the cassette mounting prevention member 51 that interferes with the cutter guard 18 is attached to the cassette case 21.
Even when the printing cassette 20 provided in the above is mounted, the cutter cartridge 17 and the cutter guard 18 are removed together with the cutter teeth 15.

As a result, since the printer 1 does not have the cutter teeth 15 in the cassette loading portion 5, the printing cassette 20 containing the label tape 35 made of a material difficult to cut by the cutter teeth 15 is Mounted on the cassette loading unit 5 and after desired printing, the cutter lever 14
Even if the label tape 35 is rotated, the label tape 35 cannot be cut because the cutter teeth 15 are not provided in the first place. That is, since the cutter teeth 15 cannot be used,
In the first place, there is no concern about damage to the cutter teeth 15.

In the above embodiments, the printing cassette and the printing device which store the ink ribbon and the print-receiving tape are used. However, the present invention is not limited to this, and only the print-receiving tape is stored. It may be a printing cassette or another tape cassette loading device including another tape cassette and a cassette loading portion thereof. Further, the material of the tape cutting prevention member and the cassette mounting prevention member, the attachment / detachment structure of the tape cutting mechanism, and the like are arbitrary, and it is needless to say that the specific detailed structure and the like can be appropriately changed.

[0034]

As described above, according to the tape cassette and the tape cassette mounting apparatus according to the present invention, the tape such as the label tape which is difficult to cut with the cutter teeth provided in the tape cassette mounting apparatus such as the label printer. When the tape cassette containing the tape is installed in the tape cassette installation device, the tape cannot be cut by the cutter teeth, and when the tape cassette is installed in the tape cassette installation device, the cutter cartridge includes the cutter teeth. The cutter teeth can be protected so that they cannot be attached without removing the part.

That is, according to the tape cassette of the first aspect, the tape cutting prevention member for preventing the tape cutting by the tape cutting mechanism provided in the tape cassette mounting device is provided in the cassette body. A tape cassette containing a tape such as a label tape made of a material that is difficult to cut with a cutter tooth provided in a tape cassette mounting device such as a label printer is mounted in the tape cassette mounting device, and the tape is cut by the cutter teeth. The tape cutting prevention member provided on the cassette body can surely prevent it. Therefore, the cutter teeth can be protected from damage. Further, according to the tape cassette loading apparatus of claim 2, a cassette loading section, in which a tape cassette having a tape cutting prevention member provided in the cassette body, is loaded, and the cassette body loaded in the cassette loading section Since the tape cutting mechanism for cutting the stored tape is provided, when the cassette body containing the tape made of a material difficult to cut by the tape cutting mechanism is mounted in the cassette loading section, the tape cutting is performed. Even when the tape cutting operation by the mechanism is erroneously performed, the cutting operation can be reliably prevented by the tape cutting prevention member provided in the cassette body. As a result, damage to the tape cutting mechanism can be prevented.

If the tape cutting prevention member is detachable from the cassette body and has a cutter tooth receiving surface for receiving the cutter teeth of the tape cutting mechanism, the tape cutting prevention member may be a tape. In addition to being commercially available with the cutting prevention member attached, it can be attached and detached by the user, and the cutter tooth receiving surface has cushioning properties when receiving the cutter tooth. Can protect teeth.

Further, according to the tape cassette of the fourth aspect, since the cassette body is provided with the cassette mounting preventing member for interfering with the tape cutting mechanism and preventing the tape cassette from being mounted in the tape cassette mounting device, the label is attached. When a tape cassette that contains a tape, such as a label tape made of a material that is difficult to cut with the cutter teeth provided in a tape cassette loading device such as a printer, is loaded into the tape cassette loading device, it cannot be loaded as it is. You can Therefore, the cutter teeth can be protected from damage.

According to the tape cassette mounting apparatus of the fifth aspect, a portion of the tape cutting mechanism including at least cutter teeth is detachably attached to the cassette loading section of the tape cassette mounting apparatus. Because
4. The tape cassette according to claim 3, which stores a tape such as a label tape made of a material that is difficult to cut with a cutter tooth provided in a tape cassette mounting device such as a label printer.
Before mounting in the tape cassette mounting device, the cutter cartridge portion including the cutter teeth can be removed. Therefore, since there is no cutter tooth, the tape cutting operation cannot be performed, and the cutter tooth can be protected from damage.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a printing device as an example of a tape cassette mounting device to which the present invention is applied, with a case lid omitted.

FIG. 2 is a schematic perspective view showing an appearance of a printing cassette as an example of a tape cassette to which the present invention is applied.

FIG. 3 is an exploded perspective view showing the relationship between the tape cutting prevention member and the main part of the cassette body according to the present invention.

FIG. 4 is a similar exploded perspective view showing the side opposite to the direction shown in FIG.

FIG. 5 is a perspective view of relevant parts showing a state in which a tape cutting prevention member is attached.

FIG. 6 is an exploded perspective view showing the relationship between the main part of the cassette body provided with the cassette mounting prevention member according to the present invention and the main part of the cassette loading part.

FIG. 7 is a magnified plan view showing a configuration of a tape cutting mechanism according to the present invention, in which a main part of a cassette main body in a cassette loading portion equipped with the tape cutting mechanism is cut away.

[Explanation of symbols]

 1 Tape Cassette Mounting Device (Printing Device) 5 Cassette Loading Unit 6 Drive Shaft 9 Tape Ejection Port 11 Print Head (Thermal Head) 12 Platen Roller 13 Tape Cutting Mechanism 14 Cutter Lever 15 Cutter Teeth 16 Cutter Holder 17 Cutter Cartridge 18 Cutter Guard 20 Tape cassette (printing cassette) 21 Cassette body (cassette case) 22 Print head accommodating recess 23 Passage hole 25 Tape guide pin 26 Tape cutting portion 31 Ink ribbon 32 Ink ribbon supply spool 33 Ink ribbon take-up spool 35 Printed tape (label) Tape) 36 Printed tape supply spool 41 Tape cutting prevention member 42 Cutter tooth receiving surface 43 Projection step 44 Tapered surface 45 Fitting groove 46 Side piece 47 Engagement projection 49 Tape outlet 5 Cassette attachment preventing member 61 engaging groove 62 engaging projection

Claims (5)

[Claims] 1. A tape cassette, which comprises a tape inside a cassette body and which is mounted on a tape cassette mounting device having a tape cutting mechanism, wherein the tape cutting mechanism prevents the tape from being cut by the tape cutting mechanism. A tape cassette, which is provided with a tape cutting prevention member. 2. A cassette loading section to which a tape cassette, in which a tape cutting prevention member is provided in the cassette body, is loaded, and a tape for cutting the tape stored in the cassette body loaded to the cassette loading section. A cutting mechanism,
A tape cassette loading device characterized by comprising: 3. The tape cutting prevention member is removable from the cassette body and is made of resin having a cutter tooth receiving surface for receiving the cutter teeth of the tape cutting mechanism. The tape cassette described in 2. 4. A tape cassette, wherein a tape is housed in a cassette body and is mounted on a tape cassette mounting device having a tape cutting mechanism, wherein the tape body is interfered with by the tape cutting mechanism. A tape cassette comprising a cassette mounting prevention member for preventing mounting to a mounting device. 5. A tape comprising: a cassette loading section into which a tape cassette containing a tape in the cassette body is loaded; and a tape cutting mechanism for cutting the tape in the cassette body loaded into the cassette loading section. A cassette loading device, wherein the tape cutting mechanism includes at least a portion including cutter teeth of the tape cutting mechanism so as to be detachable.