JPH04101977U - magnetic tape cassette shell - Google Patents

Abstract

(57) [Summary] (with modifications) [Purpose] Basically, there is no need to prepare a different cassette shell for each position for a cassette shell of one design, and if one type of cassette shell is prepared, all To easily convert to a cassette shell for position use. [Structure] The cassette shell 1 has sensing holes 5, 5 on both sides of its back side that are connected to sensing holes for preventing accidental erasure, and further has sensing holes 6, 6 near the center of the back side. , these holes 5, 6
A cover plate 9 is provided at the opening. This cover plate 9 is pivotally attached to a hinge 10 provided on one side of the opening edge of the sensing holes 5 and 6. When all the sensing holes 5 and 6 on the back surface of the cassette shell 1 are closed with the cover plates 9 and 9, the cassette shell 1 can be used as a normal position cassette shell. Moreover, when the lid plate 9 of some or all of the sensing holes 5 and 6 is opened, the cassette shell 1 can be used for the high position or the metal position.

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 5(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. 5(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 5(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. It consists of a cassette shell 1 with a sensing hole 5 on the back side of the cassette shell 1. , 6, the sensing holes 5, 6 A cover plate 9 is provided to cover the opening of the sensor hole 5, and one side of the cover plate 9 is connected to the sensing hole 5. , 6 are pivotally connected by a hinge 10 provided on one side of the opening. We provide magnetic tape cassette shells with special characteristics. In this case, hinges 10 at the openings of the sensing holes 5 and 6 are provided. The tip of the cover plate 9 is placed on the other side opposite to one side and on the bottom side of the sensing holes 5 and 6. It is preferable to provide tip fixing parts 13 and 12, respectively, whose sides engage.

[0008]

[Effect]

In the magnetic tape cassette shell according to this invention, the sensing holes 5 and 6 are All sensors are covered with a cover plate 9 that can be opened using the engine 10 as a fulcrum The sensing holes 5 and 6 may be used with the cover plate 9 closed, or the sensing holes 5 and 6 may be used with the lid plate 9 closed. , 6 can be used with some or all of the lid plates 9 open. This results in In the former case, all sensing holes 5 and 6 are closed, so the sensing For example, it can be used as a cassette shell for normal position without the holes 5 and 6. I can be there. In the latter case, some or all of the sensing holes 5 Since the lid plate 9 of , 6 can be opened, the magnetic Can be used as a tape cassette.

[0009] Note that the side opposite to the one side where the hinge 10 of the opening of the sensing holes 5 and 6 is provided is The tip side of the cover plate 9 engages with the other side facing the sensing hole 5 and the bottom side of the sensing holes 5 and 6. When the tip fixing part 13 and the tip fixing part 12 are provided, respectively, when the cover plate 9 is closed, , its distal end edge is engaged with the distal end fixing portion 13, and this state is stably maintained. other On the other hand, push the tip side of the cover plate 9 into the sensing holes 5 and 6 to open the cover plate 9. , engage the tip edge with the tip fixing part 12 at the bottom of the sensing holes 5 and 6. can be done. Therefore, once the cover plate 9 is opened, its tip side is attached to the tip fixing part 12. Retains and does not close easily. Therefore, if the user of the magnetic tape closes the cover plate 9, The position display of sensing holes 5 and 6 is actually a built-in magnetic tape. It is possible to prevent situations where the

0010 Next, an embodiment of the present invention will be specifically explained with reference to FIGS. 1 to 3. Ru. Figure 1 shows an assembled magnetic tape cassette shell according to an embodiment of the present invention. Yes, sensing holes 5 and 6 are formed on the back of the cassette shell 1, A cover plate 9 is provided at the opening of these sensing holes 5 and 6. Figure 2~ As shown in FIG. 4, this cover plate 9 is placed on one side of the opening edge of the sensing holes 5 and 6. It is pivoted to a hinge 10 provided, and its surface is the same as the back surface of the cassette shell 1. It is a face. In addition, concave fixing portion receivers 14, 14 are provided on both sides of the lid body 9 near the tip. is formed. On the other hand, one side of the opening of the sensing holes 5 and 6 where the hinge 10 is provided is From the opposite side walls near the other side, corresponding to the fixing part receivers 14, 14 of the lid body 9, Protruding tip fixing parts 13, 13 are provided in a protruding manner. In addition, sensing hole 5, Similar protruding tip fixing parts 12, 12 are protruded from both side walls of the bottom side of 6. There is. As shown by solid lines in FIGS. 2 and 3, when the lid plate 9 is closed, both The former tip fixing parts 13, 13 engage with the fixing part receivers 14, 14 on the sides. Also, Figure 2 As shown by the imaginary line in , when the cover plate 9 is opened, the fixed part receivers 14, 14 on both sides of the cover plate 9 are opened. The latter tip fixing parts 12, 12 are engaged.

[0011] Note that the protrusions 8, 8 located at both ends of the back of the cassette shell 1 are for preventing accidental erasure. This is a lid plate that covers the sensing hole, and this sensing hole is used to prevent accidental erasure. , a recess connected to sensing holes 5, 5 for position display provided on both sides. It has become a department. Sensing holes 6, 6 near the center of the back of the cassette shell 1 are each independent recessed portions.

0012 In the present invention, the cover plate 9 provided on the back side of the cassette shell 1 is left as is. or open part or all of it for use. The situation shown in Figure 1 is All the sensing holes 5 and 6 on the back of the set shell 1 are closed with cover plates 9 and 9. ing. Therefore, if you use this cassette shell 1 as is, please use the normal port. It can be used as a cassette shell for cassettes. From this state, for example, as shown by the arrows in FIGS. 1 to 3, the lid plates 9, 9 are sensed. By pushing the lid into the holes 5 and 5, as shown in phantom lines in Figures 2 and 3, When the plate 9 is opened, the cassette shell 1 can be used for high position. difference Furthermore, if the lid plates 9, 9 on the sensing holes 6, 6 side are also opened, the cassette shell 1 can be opened. can be used for metal positions.

[0013] As shown in Figure 1, all sensing holes 5 and 6 are closed with a cover plate 9. Then, when a magnetic tape cassette is loaded into the cassette deck, the cover plate 9 It is detected that there are no sensing holes 5 and 6, and the magnetic tape cassette is It is judged to be a mal position. In addition, the sensing holes 5 on both sides, the lid plate 9 of the 5, If only 9 is opened, only the sensing holes 5 and 5 will be sensed, so the magnetic The tape cassette is recognized as being in the high position. Furthermore, in the same way, Senshin When the cover plates 9 and 9 of the go-to holes 6 and 6 are also opened, the magnetic tape cassette is inserted into the metal positive position. It is determined that the

[0014]

[Effect of the idea]

As explained above, according to the present invention, magnetic tape cassettes with basically the same design can be used. For cassette shells, prepare a single cassette shell 1 and use it for sensing. By closing or opening the cover plate 9 of the holes 5 and 6, it can be adjusted to various positions. Since it can be used as a magnetic tape cassette, the cassette shell 1 can be used in many different types. There is no need to prepare them, and inventory management becomes easier.

[Brief explanation of drawings]

FIG. 1 is a 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 enlarged perspective view of a main part showing a sensing hole portion in the same embodiment.

FIG. 5 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 Lid plate 10 Hinge 12 Tip fixing part 13 Tip fixing part 14 Fixing part holder

Claims (2)

[Scope of utility model registration request] 1. A magnetic tape cassette shell comprising a box-shaped cassette shell (1) containing a magnetic tape and having sensing holes (5) and (6) on the back surface of the cassette shell (1), wherein the sensing hole (5),
A cover plate (9) is provided to cover the opening of (6), and one side of the cover plate (9) is connected to the sensing holes (5) and (6).
A magnetic tape cassette shell, characterized in that the shell is pivotally mounted by a hinge (10) provided on one side of an opening. 2. In claim 1, the sensing holes (5), (6) have the sensing holes (5),
A magnetic tape cassette shell characterized in that the bottom side of the magnetic tape cassette shell (6) is provided with tip fixing parts (13) and (12), respectively, with which the tip of the cover plate (9) engages.