JPH08321158A - Disk cartridge - Google Patents

Abstract

PURPOSE: To obtain a disk cartridge whose structure is simple and whose opening and shutting operation is smooth by providing a case with a driving-shaft insertion hole and a plurality of pickup insertion holes and opening and shutting these holes with a single shutter. CONSTITUTION: A driving-shaft insertion hole 4 is made in the center of a case 1. Two inner-circumferential-side pickup insertion holes 31 and two outer- circumferential-side pickup insertion holes 3 are radially arranged respectively. In addition, a sliding shutter 5 is installed, and opening parts 6, 7 are formed so as to agree with the driving-shaft insertion hole 4 and the pickup insertion holes 31 in an open state. In addition, a label pasting part is formed on the outer surface side so as to avoid the respective opening parts. The pickup insertion holes 3 can be opened and shut on the end edge side of the shutter. Thereby, a plurality of insertion holes can be opened and shut by a single shutter, the whole structure of a disk cartridge can be simplified, and the reliability of an opening and shutting operation is increased. In addition, dust particles which creep in from the opening parts are reduced, and the high reliability of a disk can be maintained. At the same time, record display becomes convenient.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a hard disk,
In particular, the present invention relates to a disc cartridge that accommodates an optical disc and the like in a case.

[0002]

2. Description of the Related Art Generally, a compact disc (CD) or a video disc (LD) as an information recording carrier is
It is used by being set in a recording / reproducing device such as a disc player as a disc cartridge housed in a case. Conventional discs of this type are susceptible to dust and dirt during handling, and are particularly vulnerable to damage and are greatly affected by temperature changes.Therefore, the disc is housed in a case, and the drive head insertion window and drive It is known to include a slide shutter that opens and closes a spindle insertion window when a disk is used or not used.

[0003]

However, when a large amount of data is instantaneously recorded / reproduced on an optical disc or the like,
A single pickup insertion hole is not enough, and multiple holes are needed. To protect the disc from dust and the like, a plurality of windows and drive shaft insertion holes must be opened and closed when the disc is used or not used. However, when a one-way slide shutter that opens and closes these windows is used, a case for the shutter stroke is required, and the entire cartridge becomes large, and a plurality of pickup insertion holes and a plurality of pickup insertion holes are required to smoothly slide the shutter. The problem is how to provide the shutter that opens and closes the drive shaft insertion hole with respect to the case, and it is difficult to secure the label sticking part with the one-way slide shutter. Even if a sticking part is provided, it is difficult to see labels for displaying titles, recording memos, etc. There are problems such as there has been a problem occurs. The present invention is intended to eliminate these disadvantages of the related art properly, and even a disc cartridge having a plurality of pickup insertion holes in a case accommodating a disc is more compact and can easily display the recorded contents safely. An object of the present invention is to provide a disc cartridge in which the shutter opening / closing operation is smooth and reliable.

[0004]

DISCLOSURE OF THE INVENTION According to the present invention, a disc is rotatably housed in an upper case and a lower case, and a drive shaft insertion hole formed at substantially the center of the case and a plurality of pickup insertion holes are provided. In a disc cartridge in which a case which slidably opens and closes a shaft insertion hole and a pickup insertion hole is slidably provided in a case, a pickup insertion hole on the outer peripheral side of the disc and a pickup insertion hole on the inner peripheral side of the disc are located at the center of the drive shaft insertion hole. And a drive shaft insertion hole opening and a pickup insertion hole opening for opening the drive shaft insertion hole and the pickup insertion hole on the inner peripheral side of the disk separately. The pickup insertion hole provided on the shutter and on the outer peripheral side of the disc is opened and closed on the one edge side of the shutter. Further, according to the present invention, the disc is rotatably housed in the upper and lower cases, and the drive shaft insertion hole and the plurality of pickup insertion holes formed in substantially the center of the case are provided. A disc cartridge having a case which is slidably provided in a case for opening and closing a shutter and a shutter slide area formed on the case or the shutter, is provided with a recess for attaching a label.

[0005]

According to the embodiments of the present invention, even if a large amount of data is recorded and reproduced, a plurality of pickup insertion holes can be opened and closed by a shutter, and if the cartridge is taken out from the player, the pickup insertion holes and the drive can be driven. The shaft insertion hole is closed by a shutter to prevent dust from entering and can be handled safely. Even if there are multiple pickup insertion holes, the opening provided in the shutter is small and the stroke of the shutter is small, so the case is compact. The shutter rigidity can be maintained even when the shutter slides on the case,
Stable and smooth operation is possible. Further, even if the shutter moves, the labels are provided without any trouble, and the handling is good, the title is very easy to see, and the commercial value is enhanced.

[0006]

EXAMPLE An example of the present invention will be described with reference to FIGS.
A disk 2 is rotatably housed in a rectangular upper and lower case 1, and a plurality of pickup insertion holes formed in the case 1,
In the disk cartridge having a slide shutter 5 for opening and closing the outer peripheral side pickup insertion hole 3 the inner peripheral side pickup insertion hole 3 ₁ and the drive shaft insertion hole 4 slidably example, the drive shaft insertion hole 4 and the pickup insertion holes 3 The shutter 5 is provided with a drive shaft insertion hole opening 6 and a pickup insertion hole opening 7, 7 for opening 3 ₁ and, if necessary, on the front and back sides near the rear end of the case 1. A recess 11 for attaching a label is provided in the sliding area of the shutter 5.

The pickup insertion hole formed in the case 1 is composed of two inner circumference side pickup insertion holes 3 ₁ and two outer circumference side pickup insertion holes 3.
Make two pickup insertion holes on the diagonal of the square case,
The pickup insertion holes 3 ₁ on the inner circumference side and the pickup insertion holes 3 on the outer circumference side are arranged in a V shape, respectively, and are arranged so as to face each other on a line passing through the center of the drive shaft insertion hole. When the slide type shutter 5 for opening and closing the drive shaft insertion hole 4 formed at substantially the center is closed, the drive shaft insertion opening 6 and the pair of pickup insertion openings 7, 7 provided in the shutter 5 are It is provided so as to be slid between the upper two outer peripheral pickup insertion holes 3 and the inner peripheral pickup insertion hole 3 ₁ . The shutter 5 is composed of a shutter plate 5 ₁ and a slider 5 ₂ fixed to the end of the shutter plate 5 _1. The slider 5 ₂ is covered and the cross section of the shutter plate 5 ₁ covers the outside of the end. A U-shaped shutter guide 10 is fixedly arranged at the end portions of the upper and lower cases 1 and slidably provided.

In this case, the shutter 5 has openings 7 and 7 which respectively correspond to inner pickup pickup holes 3 ₁ formed on the inner circumference side of the disk of the case 1 and which are inserted into the drive shaft. In addition, a pair of shutters 5 are provided on both sides of the rectangular case 1, and when the shutter 5 is open, the shutter 5 is stopped inside the opening edge of the disc outer peripheral side pickup insertion hole 3 formed in the case 1. In addition, there are shutter plates 5 ₁ , 5 _{1 on} the surfaces of the upper and lower cases, and sliders 5 ₂ , 5 on both sides.
₂ are connected by the slider 5 ₂ which is fixed like in screwed to the shutter plate 5 _1, the shutter guide 10
The guide hole 9 is slidably inserted into the guide hole 9, and the abutting portion 5 ₃ is provided in the concave groove 8 into which the hard shutter opening / closing member is fitted.

That is, the shutter guide 10 has the concave groove 8
Is a rail member having a U-shaped cross section on a side surface, and a concave surface portion 8 ₁ for fitting a shutter slider is formed on a joint surface facing the side surface of the case, and the concave surface portion 8 ₁ and the concave groove 8 are penetrated. each other by the guide hole 9 provided, further the slider 5 ₂ has a recess 15 to be fitted to the case end, the shutter guide 10 contact portions 5 ₃ from the guide hole 9 in a concave groove 8 formed in the By projecting and deploying, the shutter opening / closing member (not shown) on the hardware side can be easily operated.

Further, the slide shutter 5 can be constructed by attaching a spring member to give a restoring force.
In any case, the urging force is applied in the direction of closing the drive shaft insertion hole 4. Further, the respective window holes are opened and closed by the operation of the shutter, and are arranged so as to form through window holes at the portion overlapping the shutter opening 7.

In the example of FIG. 6, the shutter plate 5 of the shutter 5
_A drive shaft insertion hole opening 6 and a pickup insertion hole opening 7 are provided in 1 and a label attaching recess 12 is formed on the outer surface side of the shutter 5 while avoiding the openings 6 and 7. This is an example that is used effectively when the shutter slide area of the case is small and is easy to handle.

[0012] When the inserted setting of the disc cartridge into the disc player, the slide shutter 5 in the cartridge, slide moves to the cartridge rear surface side through the slider 5 _2. By sliding the shutter 5, a plurality of pickup insertion holes 3, 3 ₁ provided in the case 1 are provided.
And the drive shaft insertion hole 4 are held in the open position. On the other hand, when the cartridge is taken out from the disc player, the slide shutter 5 is moved in the closing direction to close the holes 3 and 4 to prevent dust from entering the recording surface portion of the disc 2 and prevent scratches from being used safely. The disk 2 can be safely kept in the case 1 even during handling.

[0013]

According to the present invention, the pickup insertion hole on the outer peripheral side of the disk and the pickup insertion hole on the inner peripheral side of the disk are separately disposed so as to oppose each other on a line passing through the center of the drive shaft insertion hole. A drive shaft insertion hole opening for opening the shaft insertion hole and a pickup insertion hole on the inner peripheral side of the disc and a pickup insertion hole opening are separately provided on the shutter, and the pickup insertion hole on the outer peripheral side of the disc is provided. By opening and closing the shutter on one edge side, it is possible to open and close multiple pickup insertion holes and drive shaft insertion holes with a single shutter, simplifying the overall structure of the disk cartridge and opening and closing the shutter. High reliability, easy assembly work, compact size, and low cost disk cartridge A shutter is provided so that one end edge of the shutter slides over both ends of the pickup insertion hole on the outer peripheral side of the disk, and the pickup insertion hole is opened and closed. , The shutter rigidity can be kept good and the opening and closing operation can be performed stably and smoothly, and the invasion of dust from the opening of the shutter is small and the safety can be greatly improved, and the disc can be maintained in high quality for a long time. In addition, if a recess for label sticking is provided in the shutter slide area formed on the shutter or the case, labels will be provided smoothly even if the shutter moves, and handling will be good, the title will be easy to see, and the product value will be great. There is also an effect that it can be enhanced, the configuration is simple and it can be provided at low cost, and the actual benefits such as convenient organization and handling can be obtained. It is.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention when not in use.

FIG. 2 is a plan view of the example of FIG. 1 in use.

3 is a vertical cross-sectional view taken along the line I-I of FIG.

FIG. 4 is a partial enlarged perspective view.

5 is a vertical cross-sectional view taken along the line II-II in FIG.

FIG. 6 is a plan view of another embodiment of the present invention in use.

[Explanation of symbols]

1 Case 2 Disc 3,3 ₁ Pickup Insertion Hole 4 Drive Shaft Insertion Hole 5 Slide Shutter 5 ₁ Shutter Plate 5 ₂ Slider 5 ₃ Abutment 6,7 Opening 8 Recessed Groove 8 ₁ Recessed View 9 Guide Hole 10 Shutter Guide 11 , 12 Label attachment recess

Claims (7)

[Claims] 1. A disk (2) is rotatably housed in an upper and lower case (1), and a drive shaft insertion hole (4) formed at substantially the center of the case (1) and a plurality of pickup insertion holes (3). ), (3 ₁ ) and a shutter (5) for opening and closing the drive shaft insertion hole (4) and the pickup insertion holes (3), (3 ₁ ) is slidably provided in the case. , The pickup insertion hole (3) on the outer peripheral side of the disc and the pickup insertion hole (3 ₁ ) on the inner peripheral side of the disc are separately arranged on the line passing through the center of the drive shaft insertion hole (4) so as to face each other. The drive shaft insertion hole (4) and the pickup insertion hole (3 ₁ ) on the inner peripheral side of the disc
The opening (6) for the drive shaft insertion hole and the opening (7) for the pickup insertion hole for opening the shutter and the shutter (5) are separately provided.
A disk cartridge characterized in that the pickup insertion hole (3) on the outer peripheral side of the disk is opened and closed at one end edge side of the shutter (5). 2. The shutter (5) is a shutter plate (5).
_1), it becomes from the slider (5 ₂₎ which is fixed to an end portion of the shutter plate (5 _1), covering the slider (5 _2),
The disk cartridge according to claim 1, wherein shutter guides (10) to be slidably fitted are fixedly arranged at both ends of the upper and lower cases. 3. The case (1) is a rectangular case and has two inner pickup pickup holes (3 ₁ ) and (3 ₁ ) and two outer pickup pickup holes (3) and (3). 3. The disk cartridge according to claim 1, wherein the disk cartridges are arranged in a V shape and are arranged so as to face each other on a line passing through the center of the drive shaft insertion hole (4). Wherein said slider (5 ₂₎ has a recess to be fitted to the case end, said shutter guide contact portion in the groove (8) from (10) to form the guide hole (9) ( The disk cartridge according to claim 2 or _{3, wherein} 5 ₃ ) is provided in a protruding manner. 5. The shutter guide (10) is a rail member having a U-shaped cross section having a concave groove (8) on a side surface thereof, and a concave surface portion for fitting a shutter slider () on a joint surface facing the side surface of the case. 8 ₁ ) to form the concave surface portion (8 ₁ )
The disk cartridge according to claim (2), (3) or (4), wherein a guide hole (9) is formed so as to penetrate through the groove and the groove (8). 6. A disk (2) is rotatably housed in an upper and lower case (1), and a drive shaft insertion hole (4) formed in the center of the case (1), a plurality of pickup insertion holes (3), (3 ₁ ) is provided, and a shutter (5) for opening and closing the drive shaft insertion hole 4 and the pickup insertion holes (3), (3 ₁ ) is slidably provided in the case. A disc cartridge comprising a label attaching recess (11) in a portion exposed when the shutter is closed in a shutter slide area facing the shutter moving portion of 1). 7. A disk (2) is rotatably housed in an upper and lower case (1), and a drive shaft insertion hole (4) formed at substantially the center of the case (1) and a plurality of pickup insertion holes (3). ), (3 ₁ ) and a shutter (5) for opening and closing the drive shaft insertion hole (4) and the pickup insertion holes (3), (3 ₁ ) is slidably provided in the case. , The shutter (5) is provided with a drive shaft insertion hole opening (6) and a pickup insertion hole opening 7, and is provided outside the shutter (5) while avoiding the openings (6) and (7). A disc cartridge comprising a recess for attaching a label (12) on the front surface side.