JP2003285474A - Cassette and method of assembling the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To readily confirm the number of times of decomposing and reusing a body frame 2 and a cover frame 3 of a cassette which can be reused by replacing a tape type recording medium and to maintain the attachment strength. <P>SOLUTION: As the number of times of decomposing and reusing the cover frame, a length of a screw 31 which is to be screwed into a screw attachment section 30 such as a side wall of the body frame from the cover frame is increased to maintain the strength in the screwing. The length of the screw can be visually observed so that the number of times of reusing can be confirmed. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cassette which is detachably mountable to a tape printer having a printing unit such as a thermal head and a tape feeding means, and at least a tape-shaped cassette is provided in the cassette. The tape for printing as a recording medium is stored in the tape and the tape ejected from the cassette is printed by the printing section. When the tape is consumed, the tape is newly wound. The present invention relates to a configuration for reusing a tape or the like that has been used in a cassette so that the tape can be reused. More specifically, the present invention relates to a configuration for preventing the attachment strength from decreasing even when the number of reuses increases.

[0002]

2. Description of the Related Art The applicant of the present invention previously disclosed in Japanese Patent Laid-Open No. 7-68814.
Japanese Patent Laid-Open No. 8-25753 and the like have proposed a printing tape producing apparatus and a cassette storing a printing tape to be used therefor for label display and the like. This printing tape creating apparatus is configured such that a cassette storing a recording tape, which is a recording medium, and an ink ribbon can be detachably mounted in a cassette housing section of the printing tape creating apparatus. Is a cassette based on data inputted in advance to a printing tape making apparatus, which comprises a printing section equipped with a thermal head, a roller-shaped platen which comes into contact with and separates from the printing section, a winding means for the ink ribbon, and the like. An image such as a character string is printed on the tape while the tape is being pulled out at an appropriate speed, and a tape cutting device for cutting the printed tape into a predetermined length was provided.

By printing on a tape, when the tape in the cassette is exhausted, the cassette made of synthetic resin is conventionally discarded as dust, and if incinerated, it leads to destruction of the global environment. Was made into chips and used for recycling resources. in recent years,
There is a social demand for so-called reuse (reuse of parts), which takes this recycling one step further, collects unused cassettes, refills them with new tapes, and reuses them as they are. Therefore, Japanese Patent Application Laid-Open No. 8-90877 and Japanese Patent Application Laid-Open No. 8-216 proposed by the present applicant.
In Japanese Patent Laid-Open No. 461, a tape case in which a tape is wound in advance is configured to be replaceable with respect to an open-top type cassette body, so that when the tape is consumed, the user can replace only the tape case. Proposed.

However, since the empty tape case may be discarded by the user as garbage, it is not preferable from the viewpoint of reducing the burden on the global environment.

[0005]

Therefore, when the tape in the cassette, which is an assembly of the main body frame and the cover frame, is consumed, the inventor of the present application disassembles the empty cassette and I thought of refilling the printing tape and using it again.

In this case, the synthetic resin main body frame and the cover frame are fastened with screw screws and disassembled.
Repeated tightening with a screw screw of the same screw length at the same female screw part again will cause the screw thread of the female screw part to collapse, resulting in a tightening force (and therefore a mounting strength between the main body frame and the cover frame). ) Was reduced. Further, as described above, when the screw screws having the same screwing length are used many times, there is a problem that the number of times the cassette is reused is unknown and the defective product rate increases.

An object of the present invention is to solve the above-mentioned problems, and to provide a cassette which can retain the assembling strength at the time of reuse and can easily discriminate the number of times of reuse.

[0008]

In order to achieve the above object, a cassette according to the invention of claim 1 is provided with respect to a main body frame accommodating a tape-shaped recording medium and an opening portion of the main body frame. A cassette comprising a detachable cover frame, wherein the recording medium is ejected from an assembly of the main body frame and the cover frame, wherein either one of the main body frame and the cover frame is provided. A screw mounting hole is provided on the other side of the main body frame or the cover frame, and a screw mounting portion is provided on the other side of the main body frame or the cover frame so as to correspond to the position of the screw mounting hole. As the number of screws increases, the length of the screw screw screwed into the screw mounting portion through the screw mounting hole is increased or the diameter of the screw screw is increased. It is obtained by sea urchin configuration.

According to a second aspect of the present invention, in the cassette according to the first aspect, the screw screw is a tapping screw.

The cassette of the invention described in claim 3 comprises a main body frame accommodating a tape-shaped recording medium and a cover frame detachable from an opening portion of the main body frame. A cassette configured such that the recording medium is ejected from a cover frame assembly, wherein a plurality of arm portions are projected on either one of the main body frame and the cover frame,
Each of the arm portions is provided with engaging claws such that the installation height positions thereof are different from each other, while the other of the main body frame or the cover frame is provided with the engaging height position with the engaging claws stepwise. It is provided with a locking piece that can be changed.

According to a fourth aspect of the present invention, in the cassette according to the third aspect, the engaging piece is configured to lower the engaging height position with the engaging claw gradually stepwise. It is characterized by having done.

A cassette according to a fifth aspect of the present invention comprises a main body frame accommodating a tape-shaped recording medium and a cover frame detachable from an opening portion of the main body frame. A cassette configured such that the recording medium is ejected from an assembly of cover frames, wherein the installation height positions of the engaging claws are different from each other in one of the main body frame and the cover frame. While different arm parts are detachably mounted, the other of the main body frame and the cover frame is provided with a plurality of locking parts having different locking height positions with the engaging claws.

According to a sixth aspect of the present invention, there is provided a main body frame accommodating a tape-shaped recording medium and a cover frame detachable from an opening portion of the main body frame.
A screw mounting hole is formed in one of the body frame and the cover frame, and a screw mounting portion is formed in the other of the body frame and the cover frame in correspondence with the position of the screw mounting hole. A method of assembling a cassette, wherein the recording medium is ejected from an assembly of the main body frame and the cover frame, wherein the number of disassembling the main body frame and the cover frame increases, It is characterized in that the length of the screw screw to be screwed into the screw mounting portion through the screw mounting hole is increased or the diameter of the screw screw is increased.

According to a seventh aspect of the invention, in the method of assembling the cassette according to the sixth aspect, the screw is a tapping screw.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Next, embodiments of the present invention will be described. 1 is a perspective view of a main body frame and a cover frame of a cassette for storing a printing tape, and FIG. 2A is a plan view of a main body frame of a cassette in which a printing tape, an ink tape and a double-sided adhesive tape are stored. 2 (b) is a view showing the inner surface of the cover frame, FIG.
5 is a bottom view showing the outer surface of the main body frame, FIG. 4 is a plan view of the cover frame, and FIG. 5A is a side view showing a state in which the main body frame and the cover frame are separated from each other as seen from the line IV-IV in FIG. 5B is a side view of the main body frame sealed with a cover frame, and FIG. 5C is Vc-Vc of FIG. 5B.
FIG. 5C is an enlarged cross-sectional view of the main part shown by the arrow.
Vd-Vd line view of the main part of the enlarged sectional view, FIG. 7 (a) is a front view showing the positional relationship between the gate-shaped frame and the arm portion as an auxiliary locking portion, FIG. FIG. 8 is a perspective view showing the relationship between the gate frame and the arm portion, FIG. 9 (a) is a front view showing a state of unlocking by a jig, and FIG. 9 (b) is a side sectional view thereof. 10 is a perspective view of the jig device, FIG.
13A to 13C are explanatory views showing the retention of the mounting strength by changing the length of the tapping screw, FIG. 12 is an explanatory diagram showing the retention of the mounting strength by changing the diameter of the tapping screw, and FIG.
14 (a) to 14 (d) are explanatory views showing holding of attachment strength by changing the arrangement height of the engaging claws of the plurality of arm portions, FIG.
(A), (b) is explanatory drawing which shows holding | maintenance of attachment strength by exchange of the arm part with an engaging claw.

In the cassette 1 according to the present invention, as shown in FIG. 1, a main body frame 2 having an open upper surface and a cover frame 3 having an open lower surface are formed by injection molding or the like of a synthetic resin material. . As shown in the plan view of FIG. 2A, in the main body frame 1, a printing tape 4 as a recording medium wound around a spool 4a and a spool 5a are also provided.
The ink tape 5 wound around the spool 6a and the double-sided adhesive tape 6 wound around the spool 6a and additionally attached by temporarily adhering a release tape (not shown) on one surface (outside the radius of winding) Has been done. The ink tape 5 is a base tape carrying thermal transfer ink.

A side wall 2b is integrally formed around the bottom plate 2a of the main body frame 2. The bottom plate 2a includes
Fitting shafts 7, 8 and 9 are erected, and a spool 4a of the printing tape 4 is detachably and rotatably supported on the fitting shaft 7. Similarly, the spool 5a of the ink tape 5 is detachably and rotatably supported on the fitting shaft 9,
The fitting shaft 8 has a spool 6 of the double-sided adhesive tape 6 on it.
a is detachably and rotatably supported. In addition,
In this embodiment, a transparent type tape 4 for printing is mirror-image printed on one surface, and the double-sided adhesive tape 6 is attached to the printing surface.

The upper and lower ends of a take-up spool 10 for taking up the used portion of the ink tape 5 are freely rotatable in bearing holes 10a and 10b formed in the bottom plate 2a and the top plate 3a of the cover frame 3, respectively. A take-up drive shaft (not shown), which is supported by, and is rotationally driven by an ink tape take-up mechanism in a tape printer (not shown), can be fitted into the inner diameter portion of the take-up spool 10.

On the bottom plate 2a of the main body frame 2, a partition wall 11 for partitioning the printing tape 4 wound on the spool 4a and a double-sided adhesive tape 6 wound on the spool 6a. And a partition wall 12 for partitioning. Further, a pair of positioning guide frames 13a and 13b for arranging a light passage type sensor (not shown) for detecting the passage (presence or absence) of the printing tape 4 adjacent to the partition wall 11 are provided. It is provided. A printing mechanism (printing section) is provided on one of the long sides of the main body frame 2.
A hollow nose portion 16 is provided so as to be surrounded by the side wall 2b with a space 15 into which the thermal head 14 (see FIG. 2A) can be fitted.

After the printing tape 4 passes through the gap between the pair of positioning guide frames 13a and 13b,
The slit-shaped discharge port 1 at the tip of the nose portion 16 passes through the front side of the partition wall 19 in the nose portion 16 while rubbing against the peripheral surfaces of a plurality of cylindrical guides 17 standing from the bottom plate 2a.
It is configured so as to come out of the cassette 1 from 8. Further, the ink tape 5 from the spool 5a passes behind the partition wall 19 in the nose portion 16 and passes through the discharge port 1
It is constructed so as to come out in parallel from the tape 8 in the vicinity of the tape 4.

A rib portion 21 having an inlet 20 for the ink tape 5 is provided on one of the long sides of the main body frame 2 at a position facing the nose portion 16.
The ink tape 5 that has entered the intake port 20 is folded back in a U-turn shape inside the main body frame 2 on the side opposite to the nose portion 16 with the space 15 interposed therebetween, and is wound by the take-up spool 10. Has been done.

A tape feed roller 22 for guiding the double-sided adhesive tape 6 from the spool 6a to the outside of the cassette 1 is rotatably mounted near the rib portion 21 of the main body frame 2.

A tape printer not shown is disclosed in Japanese Patent Laid-Open No. 6-
In the same manner as disclosed in Japanese Patent No. 227073, a winding drive shaft that can be spline-fitted to the inner diameter portion of the winding spool 10 and a transport that can be spline-fitted to the inner diameter portion of the tape feed roller 22 from a flat frame. A drive shaft (both not shown) is projected upward, and at the time of printing, the cassette 1 is set so that the main body frame 2 faces downward. During the printing operation, the printing tape 4 and the ink tape 5 are sandwiched between the platen roller 23 and the heating element portion of the thermal head 14 in the tape printing device, and mirror image printing is performed on the tape 4 based on the printing data. Further, by sandwiching the double-sided adhesive tape 6 in which the release tape is brought into contact with the outer peripheral surface of the tape feed roller 22 and the printed tape 4 between the tape feed roller 22 and the pinch roller 24, both tapes are released. It is configured to be conveyed to the outside of the tape printer in a state where the adhesives 4 and 6 are adhered.

At one corner of the main body frame 2, the ink color of the ink tape 5 mounted on the main body frame 2 and the type of the printing tape 4 (a receptor type for printing a normal image on the surface of the tape and a laminating type for printing a mirror image) are provided. Yes) and the tape 4
It has a plurality of (four in the embodiment) detected parts 25 which are pre-positioned according to the width dimension of the above, and can be detected by a detecting part (not shown) provided in the tape printer. . In the case of the receptor type tape, printing is performed on the surface facing the ink tape, an adhesive layer is pre-applied to the back surface side of the tape, and a release (peeling) tape is temporarily adhered to this adhesive layer.

Further, the tape printer (also called a tape printer) itself is provided with a data preparation part including a keyboard and a display part such as a liquid crystal display. The tape printer prepares character data for printing. By connecting to an external device such as a personal computer via a connection cord or a wireless communication line such as infrared rays, characters created or stored in the external device,
The symbols, figures, etc. may be transmitted to the tape printer side.

Next, the main body frame 2 and the cover frame 3
And a detachable structure, and a reusable structure in which a new tape 4, an ink tape 5 and a double-sided adhesive tape 6 are refilled and reused will be described. The bottom plate 2a and the side wall 2b of the main body frame 2 can be appropriately connected to each other. A plurality of mounting bosses and other screw mounting portions 30 (separately provided 30a, 30b, 30c, 30d, 30e, 30f) that are provided at appropriate intervals.
2 (see FIG. 2A)), a screw screw 31 (individually 31a, 31b, 31c, 31) such as a tapping screw is provided from the outer surface side of the cover frame 3 through a screw mounting hole.
d, 31e and 31f (see FIG. 4) are screwed (see FIG. 4).

Since the tightening force of the screw screws 31 (31a to 31f) is high, the tapes 4 and the like in the cassette 1 are heavy, and the portions (31c, 31d) are protected against the impact of the drop of the cassette 1 and not coming off. , A portion for eliminating misalignment between the detected portion 25 and the sensor of the tape printer (31b), a portion for affecting the running property of the tape 4 (31a), and a region for affecting the running property of the ink tape 5 (31f). ), It is preferable to provide it at a place (31e) that affects the ejection of the printed tape.

Further, in the side wall 2b of the main body frame 2, a plurality of side walls 2b at three positions (at appropriate intervals) are formed on the side wall 2b of three circumferences excluding the position of the inner side wall 2c facing the nose portion 16 via the space 15. In the embodiment, the first locking holes 34 (individually 34a, 34b, 34) having a rectangular shape or the like in a front view are provided at four locations.
2 (a), 2 (b) and 5 indicated by c and 34d.
(See (a)) is provided, and each locking hole 34a to
34d, the arm portion 35 with the engaging claw 36 that is detachably engaged (individually, 35a, 35b, 35c, 35
2 (a), 2 (b), and 5 (a) shown by d are integrally projected downward from the side edge of the top plate 3a of the cover frame 3. The elongated plate-shaped arm portion 35 is separated from the side wall 3b so as to exhibit its own elasticity.

A covering portion 43 is provided on each of the arm portions 35 so as to cover the opening surface of the engaging hole 34 with the engaging pawl 36 engaged with the engaging hole 34. In the first embodiment, as shown in FIG. 5A, FIG. 5C, FIG. 5D, and FIG. 6, the periphery of the engaging claw 36 that is integral with the plate-shaped arm portion 35. Which is formed in, for example, the locking hole 3
When the opening of No. 4 has a dimension of L1 in the vertical and horizontal directions, the vertical dimension of the covering portion 43 is set to L2 (> L1) and the horizontal dimension thereof is set to L3 (> L1) (FIGS. 5A and 6). reference). The groove 44 having a width L1 formed on the side wall 2b and communicating with the bottom plate 2a is a punching die (movable) for simultaneously forming the locking hole 34 when the body frame 2 is formed by injection molding. It corresponds to the place where the mold) (not shown) is arranged. Therefore, the lower end covering portion 43a of the arm portion 35 is formed in a stepped shape so as to cover the gap (space) between the lower end edge side of the locking hole 34 and the upper end portion of the groove 44.

According to the above configuration, when the cover frame 3 is mounted so as to cover the open surface of the main body frame 2, the arm portion 35 on the cover frame 3 side is arranged along the inner surface of the side wall 2b of the main body frame 2. The engaging claws 36 at the free ends of the respective arm portions 35 engage with the locking holes 34. The area of the opening surface of the locking hole 34 is generally larger than the area of the engaging claw 36, but the covering portion 43 is larger than the area of the opening surface of the locking hole 34 and is formed around the engaging claw 36. Therefore, dust and dirt from the outside of the cassette 1 will not be caught in the locking hole 34.
It is possible to effectively prevent the invasion into the inside of the cassette 1 via the.

Further, since the arm portion 35 is arranged along the inner surface of the side wall of the main body frame 2, the engagement between the engagement claw 36 and the engagement hole 34 can be easily released by the operator's finger. Is getting harder. This is because the locking holes 34 are smaller than the fingers. Here, the arm portion 35 may be provided on the cover frame 3 side or the main body frame 2 side. When provided on the body frame 2 side, the locking hole 34
May be provided on the cover frame 3 side. Further, although the arm portion 35 is arranged along the inner surface of the side wall of the cover frame 3 or the main body frame 2, it may be arranged along the outer surface thereof.

On the inner surface of the side wall 2b of the main body frame 2, a pair of ridges 45, 45 as guide portions are integrally provided on both the left and right sides of the locking hole 34 so as to have the above-mentioned vertically long shape when mounted. The arm portion 35 is smoothly guided so that the engaging claw 36 can be easily locked in the locking hole 34.

As another embodiment, although not shown, the width dimension of the arm portion 35 is formed to be substantially equal to the lateral dimension of the opening portion of the locking hole 34, and the engaging claw 36 in the arm portion 35 is formed.
The covering portion 43 may be integrally formed below. Also in this embodiment, the covering portion 43 can cover the opening surface of the locking hole 34, and dust and dust from the outside of the cassette 1 enter the inside of the cassette 1 through the locking hole 34. That can be effectively prevented.

Further, as shown in FIGS. 2 (a) and 3,
Second locking holes 37 are formed in the side wall 2b and the inner side wall 2c of the nose portion 16. These second
In the vicinity of the locking portion 37 of the above, a gate-shaped frame (auxiliary piece) 40 from the bottom plate 2a as a flat plate intersecting the side wall 2b and the inner side wall 2c, and the side wall 2b and the inner side wall 2c are appropriately dimensioned (D4). The arm portions 42 with arrow hook portions 41, which will be described later, are inserted from above between the side wall 2b and the inner side wall 2c and the gate frame 40 and are locked in parallel with each other. It is configured to be able to. That is, the gate-shaped frame 40 includes the upper and lower cross beams 4 that connect the left and right pillar portions 40b, 40b separated by the distance L4 and the upper ends thereof.
0a, and the lower surface of the upper horizontal beam 40a serves as an auxiliary locking portion 39 that faces the second locking hole 37 (FIGS. 7A, 7B, and 8). reference).

Of the left and right supporting columns 40b, 40b of the portal frame 40, the side wall facing the inner surface of the side wall 2b and the inner side wall 2c has side walls 2b,
Inclined portions 47, 47 are formed so that the distance between the inner side wall 2c and the inner surface is small. Both of the inclined portions 47, 47 are used when the auxiliary locking portion 39 of the gate frame 40 and the hook portion 41 are unlocked by being pressed by the jig body as described later.

A hook portion 41 having an arrow-shaped cross section for engaging with the second locking hole 37 or the auxiliary locking portion 39.
The arm portion 42 provided at the tip portion is integrally provided so as to project downward from the side edge of the top plate 3a of the cover frame 3. Therefore, in the hook portion 41, the engaging claw portion 41 a for engaging with the second engaging hole 37 and the engaging claw portion 41 b for engaging with the auxiliary engaging portion 39 are opposite to each other. It has a protruding form. In addition, the pair of engaging claw portions 41
The maximum protrusion dimension D1 (see FIG. 8) between the a and the engaging claw portion 41b is slightly larger than the gap dimension (D4) between the upper horizontal beam 40a and the side wall 2b (inner side wall 2c) in the gate frame 40. Is set. The width L5 of the arm portion 42 and the hook portion 41 is formed to be narrower than the distance L4 inside the left and right support portions 40b, 40b of the portal frame 40.

With the above-mentioned structure, when the main body frame 2 is covered with the cover frame 3 and is assembled, as shown in FIG.
As shown in (b), the arm portion 42 and the hook portion 4
1 is inserted from above between the inner surface of the side wall 2b (inner side wall 2c) and the gate frame 40, and usually the outward engaging claw portion 41a of the hook portion 41 is the second engaging member. The cover frame 3 is prevented from coming off the main body frame 2 by being locked in the stop hole 37. However, due to variations in injection molding of the cover frame 3 and reuse of the cassette 1,
As will be described later, when the arm portion 42 is elastically deformed against its own elastic force and the operation of releasing the engagement of the engagement claw portion 41a with respect to the second engagement hole 37 is repeated, the arm portion 42 is released. Is deformed as shown by the chain double-dashed line in FIG. 7B, so that the engaging claw portion 41a with respect to the second locking hole 37 is formed.
The locked state of may be incomplete or impossible. In such a case (when the tip end side of the arm portion 42 is deformed so as to be separated from the inner surface of the side wall 2b (inner side wall 2c))
Therefore, the locking claw portion 41b on the back side of the hook portion 41 is locked to the auxiliary locking portion 39 of the gate frame 40, and the locking strength is not lowered.

The path of the main body frame 2 through which the printing tape 4 or the ink tape 5 passes and the side wall 2
b or the location where the gap between the inner side wall 2c and the inner surface is small, the portal frame 40 is arranged, and the printing tape 4 or the ink tape 5 is attached to the side wall 2b or the inner side wall 2c.
When the cassette 1 is assembled, the hook portion 4 of the arm portion 42 is divided so as not to approach the inner surface of the
It is possible to reliably prevent the interference such as 1 being hit by the print tape 4 or the ink tape 5 and being broken.

When the printing tape 4, the ink tape 5, and the double-sided adhesive tape 6 in the cassette 1 are exhausted, the user brings the disabled cassette 1 to a predetermined store. And pay the appropriate cost,
The cassette 1 is requested to be refilled with new tapes 4, 5, and 6. At the reuse factory, it is disassembled using a jig device as shown in FIG. That is, the unusable cassette 1 is placed so as to be immovably surrounded by the plurality of positioning pieces 101 on the support base 100 shown in FIG.

Installation recesses 10 on the four sides of the support base 100
2 includes a locking hole 34 of the cassette 1 and a second locking hole 3
7, the auxiliary base 103 is removably attached to the auxiliary base 103, and the end of the lateral jig body 104 horizontally movably arranged on the auxiliary base 103 is engaged with the engaging hole 36. The arm 35 is elastically deformed against the elasticity of the arm 35 itself, and the engaging claw 36 is removed from the locking hole 34. In addition, in order to remove the hook portion 41 having an arrow-shaped cross section, the vertical jig body 1 protruding upward in a fork shape is used.
Operation hole 10 in which 05 is vertically penetrated through the support base 100
When it is lifted through 6, the jig 105 abuts the inclined portion 47 of the gate frame 40 through the through hole 46 formed in the bottom plate 2a of the main body frame 2 (see the two-dot chain line in FIG. 9A). When the vertical jig body 105 is further pushed up, the inclined portion 47 is pushed, and the free end side of the gate-shaped frame 40 becomes the second end.
The side wall 2b (the inner side wall 2c) having the locking hole 37 is elastically bent so as to be largely separated (see FIG. 9B).
In this state, when the tip of the lateral jig body 104 is inserted into the second locking hole 37 in a substantially horizontal state, the locking claw portion 41a on the front side of the hook portion 41 engages with the second locking hole 37. On the other hand, since the engagement claw portion 41b on the rear side of the hook portion 41 is not engaged with the auxiliary engagement portion 39 of the gate frame 40 while being released, the cover frame 3 can be easily removed upward. Of. In the state where the engaging claw portion 41b on the rear side of the hook portion 41 is locked to the auxiliary locking portion 39 from the beginning, only the push-up operation of the vertical jig body 105 causes the upper end (transverse side) of the gate-shaped frame 40. The upper beam 40a) can be largely bent so as to be separated from the engaging claw portion 41b to release the lock.

In the place where the lateral jig body 104 cannot be pushed in from the lateral outside direction by the nose portion 16,
It suffices that a hook-shaped jig body (not shown) is made to face from above the space 15 or the like and the tip of the hook is inserted into the second locking hole 37 in a substantially horizontal shape. After that, the screw screws 31a to 31f such as the tapping screw are removed, the cover frame 3 is removed from the main body frame 2, and a new tape 4,
The refilling work of 5 and 6 is executed.

Next, a description will be given of a structure in which the attachment strength between the main body frame 2 and the cover frame 3 is maintained and the number of reuses can be easily confirmed when the cassette 1 is reused a plurality of times. The first embodiment is shown in FIG.
As shown in FIG. 11 (c), as the number of reuse increases, the screw screw 31 such as the tapping screw (3 individually
1a to 31f) is long. That is, the screw screws 31a to 31f having a short length H1 are used in a state where the number of times of initial use and reuse is small (about 3 times), and when the number of times of reuse is medium (about 4 to 6 times),
When a medium length such as the length H2 (> H1) is used and the number of reuses is large (about 7 to 10 times),
Use a long one such as a length H3 (> H2).

As a modification thereof, each time the number of reuses is increased by one, the length of the screw screw 31 may be set to be longer by about 2 to 3 mm. In any case, by observing the length of the screw screw 31 used, the size of the number of times of use can be confirmed very easily. When the screw screw 31 is a tapping screw, it is not necessary to previously form a long female screw portion in each screw mounting portion 30 because the tapping screw has a drilled hole drilling portion and a tap portion at the tip thereof.

As described above, if the screw screw 31 having a long length is used as the number of times of reuse increases, even if the screw thread of the screw screw 31 used the previous time is broken, a new deep portion is formed. Since the female screw portion is formed by the tapping screw on the, the mounting strength does not deteriorate and the required mounting strength can be maintained. When a normal screw screw is used as the screw screw 31 instead of the tapping screw, a long female screw portion may be formed in advance in each of the screw mounting portions 30 so as to correspond to the longest screw.

FIG. 12 shows a screw screw 31 such as the tapping screw (individually 31a to 31a) as the number of reuses increases.
In this mode, a large diameter 31f) is used. In this form, the number of times of initial use and reuse is small (about 3 times)
In the state, the screw screws 31a to 31f having a small diameter D2 are used, and the number of reuses is medium (about 4 to 6 times).
Then, a medium diameter one such as the diameter D3 (> D2) is used, and when the number of reuses is large (about 7 to 10 times), a thick diameter such as the diameter D4 (> D3) is used. Use one. When the diameter of the screw screw 31 is sequentially increased, a tapping screw is used as the screw screw 31, so that a new large-diameter female screw can be easily formed in the screw mounting portion 30. Thus, as the number of times of disassembling the main body frame 2 and the cover frame 3 increases, the attachment strength between the main body frame 2 and the cover frame 3 can be maintained even if the diameter of the screw screw 31 is sequentially increased. By observing the diameter of the screw screw 31, the number of times of disassembly (reuse) can be confirmed very easily.

If the mounting method of sequentially increasing the diameter of the screw screw 31 after executing the mounting method of sequentially increasing the length of the screw screw 31, the number of times of disassembling the cassette 1 can be increased to a considerable number. .

The third embodiment shown in FIGS. 13A to 13D is a modification of the embodiment in which the arm portion 35 with the engaging claw 36 is locked in the first locking hole 34. As shown in FIGS. 13 (a) and 13 (b), the cover frame 3 includes arm portions in which downward heights Hx1 to Hx5 from the top plate 3a to the engaging claws 51 are different stepwise. A plurality of 52 are provided in parallel. On the other hand, the side wall 2b of the body frame 2
Inside, a plate-like locking piece 53 is provided downward from the upper end of the side wall 2b, and the lowermost end surface 53a of the locking piece 53 is
The engaging portion can be engaged with the engaging claw 51 having the downward height Hx1. The locking piece 53 has a plurality of weakening lines 54a, 54b, 54c, corresponding to the locking heights of the engaging claws 51.
54d is formed in parallel (see FIG. 13C).

Then, when the cassette 1 is reused for the first time and the number of times of reuse is small (about 1 to 2 times), only the engaging claw 51 of the longest (highest) (Hx1) arm portion 52 is the locking piece 53a. Locked to the bottom end surface 53a (Fig. 13 (d)
), The body frame 2 and the cover frame 3 are sealed. And when the number of reuse is about 3 to 4,
If the lower piece is removed by folding the locking piece 53 at the position of the weakened line 54a at the lowermost position of the locking piece 53, the height dimension (Hx2) with respect to the height position of the weakened line 54a at the lowermost position. Only the engaging claws 51 of the arm portion 52 can be locked. Similarly, as the number of times the cassette 1 is reused increases, the weakening lines 54b → 54c at positions whose heights are sequentially lowered.
The lower piece of the locking piece 53 is removed at the position of → 54d so that only the engaging claw 51 at the corresponding height position is locked.

According to this structure, the weakening lines (53a to 5a) at the lowermost end surface 53a of the locking piece 53 or at different heights are used.
The number of reuses can be easily confirmed only by observing the length of the arm portion 52 locked to 3d). Since the arm 52 has a short length and the locking piece 53 having a low height is higher in flexural rigidity than that having a long (high) length (height), the cassette 1 can be reused. Even if the number of times (the number of times of disassembly) increases, the attachment strength can be maintained without lowering.

The fourth shown in FIGS. 14 (a) and 14 (b)
In the embodiment, the side wall 2b of the main body frame 2 is provided with a plurality of hole-shaped locking portions 56a, 56b, 56c at the height position Hx6.
~ Hx8 is provided differently. On the other hand, the arm portion 5 is configured so that the base portion 58a can abut on the lower surface of the top plate 3a of the cover frame 3 and integrally has the engaging claw 57 at the lower end.
8 is prepared separately. In that case, a plurality of pieces are prepared so that the height from the base portion 58a to the engaging claw 57 corresponds to Hx6 to Hx8.

The longest (highest) when the cassette 1 is used and reused a small number of times (about 1 to 3 times).
(Hx6) The base portion 58a of the arm portion 58 is fixed to the top plate 3a of the cover frame 3 via the screw 59, and the engaging claw 5
7 is engaged with the back engaging portion 56a (see FIG. 14).
(See (b)). Then, as the number of times of reuse of the cover frame 1 increases, the cover frame 1 is replaced and attached to the arm portion 58 having a shorter length. Also in this configuration, the length of the arm portion 58 and the locking portion 56 that is locked with the engaging claw 57.
The number of reuses of the cassette 1 can be determined only by observing the positions of a to 56c, and the arm portion 58 is replaced with a new one, so that the rigidity of the arm portion 58 decreases even if the number of reuses increases. The effect of not doing.

In each of the above embodiments, the engaging claw 3
The arm portion 35 (52, 58) with 6 (51, 57) is provided on the main body frame 2 side, and the engaging portion 34 (56) and the engaging piece 5 are provided.
3 may be provided on the cover frame 3 side. As a form of reusing the cassette, the screw screws 31a to 3a
With the use of 1f, the locking holes 34 (56) at the plurality of locations
And the arm portion 35 (5 with the engaging claws 36 (51, 57)
2, 58), the main body frame 2 and the cover frame 3 may be detachable.

The present invention can also be applied to a receptor type in which a normal image is printed on the surface of the transparent printing tape 4 and a double-sided adhesive tape is not separately used, and the printing tape itself is a thermal paper. It goes without saying that the present invention can be applied to a type that does not use the ink tape 5.

[0054]

As described above, claim 1
The cassette according to the invention described in (1) comprises a main body frame accommodating a tape-shaped recording medium, and a cover frame detachable from an opening portion of the main body frame. A cassette configured to eject the recording medium, wherein a screw mounting hole is formed in either one of the main body frame and the cover frame, On the other hand, a screw mounting portion is provided corresponding to the position of the screw mounting hole, and as the number of disassembling the main body frame and the cover frame is increased, the screw mounting portion is connected to the screw mounting portion through the screw mounting hole. The length of the screw screw to be screwed is increased or the diameter of the screw screw is increased.

As described above, if a screw screw having a long length is used as the number of times of reuse increases, even if the screw thread of the screwing portion previously used is broken, the screw screw is newly deepened. Since the female thread portion and the female thread portion are screwed together, the mounting strength is not deteriorated, and the required mounting strength can be maintained.
Even if the screw screw has a large diameter as the number of times of reuse increases, a female screw portion corresponding to the large diameter is newly formed in the screw mounting portion, so that the mounting strength is deteriorated. Without, the required mounting strength can be maintained. Then, it is possible to easily determine the number of times the cassette is reused, simply by observing the length and diameter of these screw screws.

According to the invention described in claim 2, in the cassette described in claim 1, if a tapping screw is used as the screw screw, in addition to the effect according to the invention described in claim 1, A new deep internal thread portion or a large internal thread portion can be easily formed, and the mounting strength by the tapping screw does not deteriorate, and the required mounting strength can be maintained.

The cassette according to the third aspect of the present invention comprises a main body frame accommodating a tape-shaped recording medium and a cover frame detachable from the open portion of the main body frame. A cassette configured such that the recording medium is ejected from a cover frame assembly, wherein a plurality of arm portions are projected on either one of the main body frame and the cover frame,
Each of the arm portions is provided with engaging claws such that the installation height positions thereof are different from each other, while the other of the main body frame or the cover frame is provided with the engaging height position with the engaging claws stepwise. It is provided with a locking piece that can be changed.

Also according to this structure, the position of the engaging height of the arm portion with respect to the engaging claw can be changed stepwise, and the length of the engaging arm portion can be simply observed for reuse. The number of times can be easily confirmed. Since the arm having a short length and the locking piece having a low height position have a larger flexural rigidity than those having a long (high) length (height), the number of times the cassette can be reused (disassembly) Even if the number of times) increases, the attachment strength can be maintained without lowering.

According to a fourth aspect of the present invention, in the cassette according to the third aspect, the locking piece is configured so that the locking height position with the engaging claw is gradually reduced by cutting. It is characterized by having done. By sequentially removing the lower locking piece at the weakening line at different heights from the bottom end surface of the locking piece, the locking height position with the engaging claw of the arm part can be gradually changed. There is an effect that can be made different.

The cassette of the invention according to a fifth aspect comprises a main body frame accommodating a tape-shaped recording medium and a cover frame detachable from an opening portion of the main body frame. A cassette configured such that the recording medium is ejected from an assembly of cover frames, wherein the installation height positions of the engaging claws are different from each other in one of the main body frame and the cover frame. While the different arm portions are detachably mounted, the other of the main body frame and the cover frame is provided with a plurality of locking portions having different locking height positions with respect to the engaging claws. As the number of times of use increases, when the arm portions having the engaging claws having different installation height positions are exchanged and attached, the engaging claws are installed at a height position or a locking position with the locking portion. Only Presumably, the number of reuse of the cassette can be easily confirmed, so and replaced with a new arm, an effect that the strength of engagement of the engaging portion is not reduced.

According to a sixth aspect of the present invention, there is provided a main body frame accommodating a tape-shaped recording medium, and a cover frame detachable from an opening portion of the main body frame.
A screw mounting hole is formed in one of the body frame and the cover frame, and a screw mounting portion is formed in the other of the body frame and the cover frame in correspondence with the position of the screw mounting hole. A method of assembling a cassette, wherein the recording medium is ejected from an assembly of the main body frame and the cover frame, wherein the number of disassembling the main body frame and the cover frame increases, It is characterized in that the length of the screw screw to be screwed into the screw mounting portion through the screw mounting hole is increased or the diameter of the screw screw is increased.

By adopting such a cassette assembling method, when a screw screw having a long length is used as the number of times of reuse increases, the screw thread of the screwing portion due to the screw screw used last time is distorted. In addition, a screw screw and a female screw portion are newly screwed at a deep place, so that the mounting strength is not deteriorated and the required mounting strength can be maintained. Even if the screw screw has a large diameter as the number of times of reuse increases, a female screw portion corresponding to the large diameter is newly formed in the screw mounting portion, so that the mounting strength is deteriorated. Without, the required mounting strength can be maintained. Then, it is possible to easily determine the number of times the cassette is reused, simply by observing the length and diameter of these screw screws.

According to a seventh aspect of the present invention, in the method of assembling the cassette according to the sixth aspect, the screw screw is a tapping screw. Therefore, in addition to the effect of the invention described in claim 6, it is possible to easily form a female thread portion having a new deep length or a female thread having a large diameter in the screw mounting portion, and the mounting strength by the tapping screw does not deteriorate. The effect is that the required mounting strength can be maintained.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state where a main body frame and a cover frame of a cassette of the present invention are separated.

FIG. 2A is a plan view of the main body frame with the cover frame removed and a tape attached, and FIG. 2B is an inner view of the cover frame.

FIG. 3 is a bottom view of the main body frame.

FIG. 4 is a top view of a cover frame showing a mounting position of a screw screw.

5A is a side view showing a state in which the main body frame and the cover frame are separated from each other as seen from the line Va-Va in FIG. 2A,
5B is a side view of the main body frame with the cover frame attached, FIG. 5C is an enlarged sectional view taken along the line Vc-Vc of FIG. 5B, and FIG. 5D is a line Vd-Vd of FIG. 5C. FIG.

FIG. 6 is a perspective view showing a relationship between a first locking hole and an arm portion.

7 (a) is a front view of the portal frame shown in FIG. 7 (b) taken along the line VIIa-VIIa, and FIG. 7 (b) is VIIb-VI in FIG. 7 (a).
It is a sectional view taken along the line Ib.

FIG. 8 is a perspective view of a hook portion and a gate-shaped frame.

9 is an explanatory view showing the disassembling work of the cassette, FIG. 9 (a) is a view taken along the line IXa-IXa in FIG. 9 (b), and FIG.
9B is a sectional view taken along the line IXb-IXb of FIG. 9A.

FIG. 10 is a perspective view of a jig device for removing the cover frame from the main body frame.

FIG. 11 is a first embodiment for checking the number of times the cassette has been reused and holding the attachment strength, (a) is a cross-sectional view when the length of the screw screw is short, and (b) is a medium screw screw length. FIG. 3C is a sectional view in the case where the screw screw is long.

FIG. 12 is a cross-sectional view for confirming the number of times the cassette is reused and maintaining the attachment strength by changing the diameter of the screw screw.

13 (a) is a front view of a plurality of arm portions having different engaging claw installation heights, FIG. 13 (b) is a side view, and FIG. 13 (c) is a cutout from the lower end to change the height position of the locking portion. Perspective view,
(D) is a side sectional view showing a locked state.

FIG. 14 is a perspective view of a structure in which an arm portion having different engaging claw positions can be attached and detached, and FIG. 14B is a side sectional view showing a locked state.

[Explanation of symbols]

2 body frame 2a bottom plate 2b, 2c Side wall 3 cover frame 3a Top plate 30 (30a to 30f) Screw mounting part 31 (31a to 31f) screw screw 34 First locking hole 35 Arm 36 Engaging claw

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Tsutomu Kato             Brother, 15-1, Naeshiro-cho, Mizuho-ku, Nagoya             Industry Co., Ltd. (72) Inventor ▲ Takahashi Hisao             Brother, 15-1, Naeshiro-cho, Mizuho-ku, Nagoya             Industry Co., Ltd. F-term (reference) 2C055 CC00 CC01                 2C068 AA06 EE27 EE98

Claims (7)

[Claims] 1. A main body frame accommodating a tape-shaped recording medium and a cover frame detachable from an opening portion of the main body frame. The main body frame and the cover frame assembly form the recording target. A cassette configured to eject a medium, wherein one of the main body frame and the cover frame is provided with a screw mounting hole, and the other one of the main body frame and the cover frame is provided. , A screw mounting portion is provided corresponding to the position of the screw mounting hole, and is screwed to the screw mounting portion through the screw mounting hole as the number of disassembling of the main body frame and the cover frame is increased. A cassette characterized by increasing the length of the screw screw or increasing the diameter of the screw screw. 2. The cassette according to claim 1, wherein the screw screw is a tapping screw. 3. A main body frame accommodating a tape-shaped recording medium and a cover frame detachable from an opening portion of the main body frame, wherein the recording target is formed from an assembly of the main body frame and the cover frame. A cassette configured to eject a medium, wherein a plurality of arm portions are projected on one of the main body frame and the cover frame, and each of the arm portions is
The engaging claws are provided so that their installation height positions are different from each other, while the other of the main body frame or the cover frame has a locking piece capable of gradually changing the locking height position with the engaging claws. A cassette characterized by having. 4. The cassette according to claim 3, wherein the locking piece is configured to gradually lower the locking height position with the engagement claw by cutting. 5. A main body frame accommodating a tape-shaped recording medium and a cover frame detachable from an opening portion of the main body frame, wherein the recording target is recorded from an assembly of the main body frame and the cover frame. A cassette configured to eject a medium, in which one of the main body frame and the cover frame is detachably mounted with arm portions having engaging claws at different installation height positions. On the other hand, the cassette is characterized in that the other of the main body frame or the cover frame is provided with a plurality of engaging portions having different engaging height positions with the engaging claws. 6. A main body frame accommodating a tape-shaped recording medium and a cover frame detachable from an opening portion of the main body frame, wherein one of the main body frame and the cover frame is provided. Is provided with a screw mounting hole, and the other of the main body frame or the cover frame is provided with a screw mounting portion corresponding to the position of the screw mounting hole. A method of assembling a cassette configured to eject the recording medium, wherein as the number of disassembling of the main body frame and the cover frame is increased, the screw mounting portion is inserted through the screw mounting hole. A method for assembling a cassette, characterized in that the screw screw to be screwed is made long or the diameter of the screw screw is made thick. 7. The method of assembling the cassette according to claim 6, wherein the screw is a tapping screw.