JPH04101975U - magnetic tape cassette shell - Google Patents

Abstract

(57) [Summary] (with modifications) [Purpose] If one type of cassette shell is prepared, it can be easily used as a cassette shell for all positions. [Structure] On the back surface of the cassette shell 1, a long recess 9 is provided between the protrusions 8, 8 for preventing erroneous erasure. The fitting members 11, 12, 13 are fitted into the recess 9, and the fixing protrusions 14, 14 are fitted into the grooves 10, 1 of the recess 9.
0 is fitted. The first long fitting member 11 is inserted into the recess 9
When fitted, a sensing hole for position indication is not formed and the cassette shell becomes a normal position cassette shell. Further, when the second fitting member 12 is fitted into the recess 9, sensing holes 5, 5 are formed on both sides of the back surface of the cassette shell 1, and the cassette shell becomes a high position cassette shell. Furthermore, when the third fitting member 13 is fitted into the recess 9, sensing holes 5, 5, 6, 6 are formed on both sides and the center of the back surface of the cassette shell 1,
A cassette shell for metal positions.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a cassette shell for a magnetic tape cassette, and in particular to a cassette shell for a magnetic tape cassette. This invention relates to an improvement in the sensing hole formed on the back side of the well.

0002

[Conventional technology]

Figure 6(a) shows one of the so-called linear tracking audio cassettes. This is a diagram showing the inside of the shell with half of it removed. This magnetic tape cassette A pair of hubs 2, 2 are mounted in a box-shaped cassette shell 1 consisting of a pair of halves. A magnetic tape 3 is wound around these hubs 2, 2. For this cassette tape, cassette shell 1 must be connected to the drive of the cassette deck (as shown). (the same applies hereinafter), the magnetic tape 3 can be wound and rewound. It is now possible to do so. Then, when loading the drive, the cassette shell 1 A magnetic head (not shown) is inserted into the cassette shell 1 from the front magnetic head insertion window 4. ) is inserted, and the head touches the magnetic tape 3 running on the front of the cassette shell 1. Upon contact, a signal is recorded on or reproduced from the tape 3. In FIG. 6(a), 7 indicates a spring pad that brings the magnetic tape 3 into contact with the magnetic head.

0003 With this type of cassette tape, the position of the built-in magnetic tape 3 is set to A sensing hole 5 is provided in the cassette shell 1 as a means for the device to recognize the 6 is provided. Such sensing holes 5 and 6 are located in the cassette shell 1. It consists of a recess formed on the back surface of the

0004 For example, Figure 6(a) shows a cassette for a magnetic tape cassette for metal position. There is a pair of sensing holes on the back of the cassette shell 1 on both sides. 5, 5 and a pair of sensing holes 6, 6 closer to the center. The sensing holes 5, 5 of the person are accidentally erased by closing the opening with a removable protrusion 8. It is formed in series with a sensing hole for prevention. Figure (b) shows the high positive position. This is a cassette shell for magnetic tape cassettes for applications, and the cassette shell 1' is Sensing holes on both sides connected to sensing holes to prevent accidental erasure on the back 5 and 5 only. Furthermore, the same figure (c) shows the magnetic tape for the normal position. It is a cassette shell for Pukaset, and there is a position chart on the back of the cassette shell 1". For the purpose of illustration, it does not have any sensing hole, but has a removable protrusion 8. It has only sensing holes 5', 5' for preventing erroneous erasure. When a magnetic tape cassette is loaded into the cassette deck, it will be in the position shown above. A stylus is inserted into the sensing holes 5 and 6 for display, and the presence or absence of the stylus is electrically sensed. The position of the magnetic head to be used is then recognized.

[0005]

[Problem that the invention is trying to solve]

However, in order to display the position of the built-in magnetic tape 3, the basic Even if the cassette shell has essentially the same design, sensing is performed for each position. Cassette shell 1 with both holes 5 and 6, cassette shell with one of them A cassette shell 1” and a cassette shell 1” without any of the above shall be prepared. do not have. For this reason, factories that manufacture magnetic tape cassettes basically use only one device. Regarding Zine's cassette shells, there are at least three types of cassette shells for each position. 1, 1’ and 1”, the number and types of inventory have increased, and parts pipes have increased. There was an issue that the process became troublesome.

[0006] The present invention was developed in view of the problems with the conventional cassette shell for magnetic tape cassettes. For a cassette shell with essentially one design, different cassettes can be used for each position. There is no need to prepare a cassette shell, just prepare one type of cassette shell, and all A cassette for magnetic tape cassettes that can be easily converted into a cassette shell for positions such as The purpose is to provide a client shell.

[0007]

[Means to solve the problem]

That is, in the present invention, in order to achieve the above object, a box-shaped magnetic tape is stored. The magnetic tape cassette shell has a long recess 9 extending in the width direction of the back surface. The cassette shell 1 includes a cassette shell 1 and fitting members 11, 12, 13 fitted into the recess 9. The fitting members 11, 12, 13 are provided with sensing holes on the back of the cassette shell 1. 5, 6 forming part or all of them, and the back of the cassette shell 1 A magnetic tape characterized in that it has no forming holes 5 and 6. Provide cassette shell.

[0008]

[Effect]

In the magnetic tape cassette shell according to this invention, the back side of the cassette shell 1 is By selecting the fitting members 11, 12, and 13 that fit into the recess 9, the cassette If the sensing holes 5 and 6 are not formed on the back of the shell 1, or if the cassette system is It is possible to form only a part of the sensing holes 5, 5 of the well 1, or even to form a cassette. All sensing holes 5, 5, 6, and 6 formed on the back surface of shell 1 were formed. can be used. In other words, for cassette shells with basically the same design. In this case, a single type of cassette shell 1 having a recess 9 is provided, and the cassette shell 1 is fitted into it. For example, by selecting the fitting members 11, 12, and 13 to Can be used as a cassette shell for high position, high position or metal position. can be used.

[0009] Next, embodiments of the present invention will be specifically described with reference to the drawings. FIG. 1 shows a fitting member 11 from a magnetic tape cassette shell according to an embodiment of the present invention. It is in a disassembled state, and there is a projection 8 on the back of the cassette shell 1 to prevent accidental erasure. , 8 is provided with an elongated recess 9. At the bottom of this recess 9, there is a A narrow groove 10 is formed extending in the hand direction. Furthermore, in addition to such a cassette shell 1, a fitting member to be fitted into the recess 9 is provided. 11, 12, and 13 are provided. These fitting members 11, 12, 13 are It is a plate-shaped thing made of the same resin as sheet shell 1, and a plate-shaped solid material is attached from the side. Fixed protruding pieces 14, 14 are provided in a protruding manner. And these fitting members 11, 12, 13 is fitted into the recess 9 of the cassette shell 1 as shown in FIGS. 2 and 3, and The fixing protrusions 14, 14 are fitted into the grooves 10, 10 of the recess 9. This will allow it to fit The mating recesses 11, 12, 13 are fixed at fixed positions within the recess 9.

0010 The longest fitting member 11 has side plates 15, 15 on both sides, which are shown in FIG. 2(a). As shown, when fitted into the recess 9 on the back side of the cassette shell 1, the side plate 1 5 and 15 reach close to protrusions 8 and 8 on both sides of set shell 1 to prevent accidental erasure. At the same time, its back surface becomes the same surface as the back surface of the cassette shell 1. Therefore, this When the fitting member 11 is fitted into the recess 9 on the back of the cassette shell 1, the cassette shell A recess, that is, a sensing hole for position display, is not formed on the back of well 1. In this state, replace cassette shell 1 with the normal position cassette shell. It can be used as

[0011] Furthermore, both sides of the fitting member 12 are bent into a crank shape, which is shown in FIG. 2(b). As shown in , when the cassette shell 1 is fitted into the recess 9 on the back side, the The two ends of the cassette shell 1 allow the inside of the protrusions 8, 8 on both sides of the cassette shell 1 to prevent accidental erasure. Recesses, that is, sensing holes 5, 5 are formed on the sides. Therefore, this fitting member 1 1 fitted into the recess 9 is a cassette shell for high position. It can be used as

0012 Furthermore, the fitting member 13 is curved in an L-shape on both sides. It is the same as No. 12, but it has a U-shaped depression near the middle. For this reason , as shown in FIG. 2(c), this fitting member 13 is attached to the back surface of the cassette shell 1. When the cassette shell 1 is fitted into the recess 9, the back side of the cassette shell 1 has a Sensing holes 5, 5 are formed inside the protrusions 8, 8 for preventing accidental erasure, and , sensing holes 6, 6 are also formed at the center of the back surface. Therefore, this mating The cassette shell 1 with the member 11 fitted into the recess 9 is a metal position cassette. It can be used as a shell.

[0013] 4 and 5 show another embodiment of the invention, in which the cassette shell The recesses 9' and 9' on the back side of 1 are symmetrically formed and separated from the center of the back side to the left and right. Ru. Furthermore, the fitting members 11', 12', 13' fitted into the recesses 9', 9' are also , two symmetrical pieces form a pair, and both ends are L-shaped in the same direction. The side plates 15', 15' are formed therein.

[0014] The fitting members 11', 11' have the same length as the recesses 9', 9', and this is shown in the figure. When fitted into the recesses 9', 9' as shown in 5(a), the rear surface of the cassette shell 1 In this case, a sensing hole for position display is not formed. Therefore, in this state, Cassette shell 1 can be used as a cassette shell for normal position. can. Furthermore, the fitting members 12', 12' are different from the fitting members 11', 11'. The one end side is shortened, and this is inserted into the recesses 9' and 9' as shown in Fig. 5(b). When mated, one end is short and the position is on both sides of the back of cassette shell 1. Sensing holes 5, 5 for displaying the image are formed. Therefore, in this state, the cassette The shell 1 can be used as a high-position cassette shell. difference Furthermore, the fitting members 13', 13' have lower ends than the fitting members 11', 11'. The sides are shorter, and these fit into the recesses 9', 9' as shown in Figure 5(c). Since both ends are short, positions are placed on both sides and the center of the back of cassette shell 1. Sensing holes 5, 5, 6, and 6 for displaying images are formed. Therefore in this state , the cassette shell 1 can be used as a cassette shell for metal positions. can.

[0015]

[Effect of the idea]

As explained above, according to the present invention, magnetic tape cassettes with basically the same design can be used. For the cassette shell, prepare a single cassette shell 1 and insert its recess 9. By selecting the fitting members 11, 12, and 13 that fit into the magnetic Since it can be used as a tape cassette, the cassette shell 1 can be used for many different types. There is no need to worry about this, and inventory management becomes easier.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view of a magnetic tape cassette shell showing an embodiment of the present invention.

FIG. 2 is a cross-sectional plan view of a main part of a magnetic tape cassette shell showing the same embodiment.

FIG. 3 is a sectional view taken along line AA in FIG. 2;

FIG. 4 is an exploded perspective view of a magnetic tape cassette shell showing another embodiment of the present invention.

FIG. 5 is a cross-sectional plan view of a main part of a magnetic tape cassette shell showing the same embodiment.

FIG. 6 is an overall plan view (a) with one half of a conventional magnetic tape cassette shell removed, and a plan view (b) of the main part;
(c). 1 Cassette shell 5 Sensing hole 6 Sensing hole 9, 9' Recess 10 Groove 11, 11' Fitting member 12, 12' Fitting member 13, 13' Fitting member 14 Fixing protrusion

Claims (2)

[Scope of utility model registration request] Claim 1: A box-shaped magnetic tape cassette shell that stores a magnetic tape, comprising: a cassette shell (1) having a long recess (9) extending in the width direction on the back surface; Fitting members (11), (12), (1
3), the fitting members (11), (12), (13)
Forms part or all of the sensing holes (5) and (6) on the back surface of the cassette shell 1, and a sensing hole (5) on the back surface of the cassette shell (1),
(6) A magnetic tape cassette shell comprising: [Claim 2] Fitting members (11), (12), (13)
The fixing protrusion (14) at the tip of the cassette shell (1)
By fitting into the groove (10) at the bottom of the recess (9),
A magnetic tape cassette shell, characterized in that it is fixed in the recess (9).