JP2003263818A - Disk tray - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a disk tray which hardly flaws the recording surfaces of an optical disk when the optical disk is unloaded from or loaded on a loading part and so on. <P>SOLUTION: In the disk dray 10 which is able to move out of and in an optical disk drive and has the loading part 12 recessed to load the optical disk, a flaw-preventive member 18 which prevents the optical disk 16 from flawing is stuck to the loading part 12 for the optical disk. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc tray which is provided so as to be capable of protruding into an optical disc device and has a mounting portion which is recessed for mounting an optical disc.

[0002]

2. Description of the Related Art In optical disks such as CDs and DVDs, information is written on the recording surface of the optical disk. Therefore, various improvements have been made to the disk tray so that the recording surface of the optical disk is not damaged. FIG. 4 is a sectional view showing the structure of a conventional disc tray. In this disc tray 100, a ring-shaped protruding portion 114 is provided at a peripheral end portion of a mounting portion 112 of an optical disc formed in a concave shape. By providing the protruding portion 114 at the peripheral end of the mounting portion 112, when the optical disk 116 is placed on the mounting portion 112, the protruding portion 114 contacts the peripheral end portion of the optical disk 116 and the recording surface 116a of the optical disk is mounted. Bottom 112 of the holder
It can be kept floating from a. Thus, the optical disc 116 can be mounted on the disc tray 100 without damaging the recording surface 116a of the optical disc.

Further, by providing the protruding portion 114, the bottom surface 112a of the mounting portion and the recording surface 116 of the optical disk are provided.
Since a space is formed between the optical disc 116 and a, the optical disc 116 placed on the mounting portion 112 can be easily removed when the finger is put into the hole 116b provided in the optical disc 116, and the optical disc 116 can be suitably removed.

[0004]

However, the optical disk 116 mounted on the disk tray 100 shown in FIG.
When the disc is removed from the mounting portion 112, the recording surface 116a of the optical disc may be damaged. That is, when a finger is inserted into the hole 116b of the optical disc and the optical disc 116 is removed from the mounting portion 112, the optical disc 116 bends to come into contact with the bottom surface 112a of the mounting portion and the recording surface 116a of the optical disc is damaged. . Further, even when the optical disc 116 is placed on the mounting portion 112, if the optical disc 116 is placed at a position deviated from a predetermined placement position, the peripheral edge portion of the mounting portion 114 and the recording surface 1 of the optical disc 1 are placed.
The optical disc 116 may be scratched due to the contact with 16a.

Therefore, the present invention has been made to solve these problems, and an object of the present invention is to remove or attach an optical disk from a mounting portion.
Provided is a disc tray in which the recording surface of an optical disc is not easily scratched.

[0006]

The present invention has the following constitution in order to achieve the above object. That is, in a disc tray provided so as to be capable of protruding into the optical disc device and having a concave mounting portion for mounting the optical disc, the optical disc mounting portion is prevented from being scratched. It is characterized in that an anti-scratch material is attached. Further, the scratch preventing material is formed of a material having a hardness smaller than that of the optical disc. Further, the scratch preventing material is formed of a material having a friction coefficient smaller than that of the material forming the tray.

Further, the scratch preventing material is colored in a color different from that of the material forming the tray. As a result, the mounting position of the optical disc becomes clear, and the optical disc can be placed accurately. Also,
The scratch preventing member is formed of either polyurethane or fluororesin. Further, the scratch preventing material is attached to the entire surface of the optical disk mounting surface of the tray.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a sectional view showing the configuration of an embodiment of a disc tray according to the present invention. The disc tray 10 is a table which is attached to an optical disc device and on which the optical disc 16 is placed when reading data written on the optical disc 16 such as a CD or a DVD. The disc tray 10 of the present embodiment includes a mounting portion 12 on which the optical disc 16 is mounted, a protrusion 14 provided on the peripheral end of the mounting portion 12 for holding the optical disc 16 in a floating state, and a mounting portion. It is composed of a scratch prevention material 18 which is attached to the optical disc 12 and prevents the optical disc 16 from being scratched.

A mounting portion 12 for mounting an optical disk 16 is provided on the upper surface of the disk tray 10 formed into a substantially rectangular parallelepiped shape with a thermoplastic resin such as ABS resin, polycarbonate or PS resin. The mounting portion 12 is formed in a dish shape in which the upper portion of the disc tray 10 is recessed,
In this embodiment, the shape is such that a 12 cm CD and DVD can be mounted. The mounting portion 12 is provided with a protruding portion 14 that projects upward and is formed in a ring shape along the inner peripheral edge of the mounting portion 12. This protrusion 14
Is formed so as to come into contact with the peripheral end portion of the optical disc 16 when the optical disc 16 is placed on the placing portion 12, and the protrusion 14 causes the recording surface 16a of the optical disc and the bottom surface 12a of the placing portion to be formed. Are separated from each other, and the recording surface 16 of the optical disk
a is not damaged.

However, when the optical disc 16 is removed from the mounting portion 12, the recording surface 16a of the optical disc may be damaged. Therefore, in the disc tray of the present invention, the mounting portion 12 has the recording surface 16a of the optical disc. A scratch prevention material 18 for preventing scratches is provided.

As the scratch preventing material 18 of the present invention, a material having a hardness smaller than that of the optical disc 16 or a material having a friction coefficient smaller than that of the material forming the disc tray 10 is used. As the scratch prevention material 18,
By using a material having a hardness smaller than that of the optical disc 16, that is, a material softer than the polycarbonate forming the optical disc 16, the collision preventing energy is absorbed by the scratch preventing material 18 at the time of collision with the optical disc 16. Prevents scratches. Further, by forming the scratch preventing material 18 with a material having a smaller friction coefficient than the material of the disc tray 10, friction is less likely to occur as compared with the conventional disc tray 10,
Even if the disc tray 10 and the optical disc 16 come into contact with each other, the optical disc 16 can be prevented from being easily scratched.

In this embodiment, the scratch preventing material 18 is used.
As the elastomer, polyurethane and fluororesin were used as the elastomer, which is a material having a hardness smaller than that of the optical disc 16 and a friction coefficient smaller than that of the disc tray 10. Each of these materials was baked to adhere to the mounting portion 12 to form a scratch preventing material 18. As shown in FIG. 1, the scratch-preventing material 18 is used for the bottom surface 12 of the mounting portion.
a and the protruding portion 14 provided on the mounting portion 12 are attached to the side portion and the upper portion. In this way, by attaching the scratch preventing material 18 to the upper side of the protruding portion 14, the optical disc 1
Even when the optical disk 16 bends and comes into contact with the mounting portion 12 when the 6 is removed, the recording surface 16a of the optical disk is not damaged. Further, since the scratch preventing material 18 is attached also to the protruding portion 14 that comes into contact with the optical disc 16, the optical disc 1
It is possible to prevent scratches at the peripheral edge portion of 6.

However, the portion to which the scratch preventing material 18 is attached is not limited to this. For example, it is possible to adhere only to the bottom surface 12a of the mounting portion, or the scratch preventing material 18 may be adhered to the entire surface of the disc tray 10 on which the optical disc 16 is mounted.
By attaching the scratch preventing material 18 to the entire mounting surface of the disc tray 10, even if the optical disc 16 is dropped at a position away from the mounting portion 12 when the optical disc 16 is mounted, the optical disc 16 will be damaged. Can be prevented. The material and the adhesion means of the scratch prevention material 18 of the present invention are not limited to those in this embodiment, and the scratch prevention material 18 can be formed by applying a fluororesin or the like.

Further, in this embodiment, the scratch preventing material 18 is colored so that the portion to which the scratch preventing material 18 is adhered is colored. That is, the scratch prevention material 18
When attached to the bottom surface 12a of the mounting portion and the protruding portion 14, the color of the disc tray 10 is different from the color of the portion to which the scratch preventing material 18 is attached. This allows
The position where the optical disc 16 is placed becomes clear, and the optical disc 1
When the position where 6 is placed is out of the fixed position, it is possible for a person to immediately recognize the deviation.

As described above, since the scratch preventing material 18 is attached to the mounting portion 12 of the disc tray, the optical disc 16 is hardly scratched, so that the recording surface 16a of the optical disc contacts the bottom surface 12a of the mounting portion. You may have. Therefore, the protruding portion 14 provided on the mounting portion 12
It is possible to reduce the upward protrusion of the. Alternatively, it is possible to eliminate the protruding portion 14 and form the lower surface 16a of the disk and the scratch preventing material 18 provided on the bottom surface 12a of the mounting portion in contact with each other. Since the protrusion 14 can be made small or eliminated in this manner, the thickness of the disc tray 10 can be made thin and the disc tray 10 can be made compact.

FIG. 2 is a modification of the disc tray 10 shown in FIG. 1, and is a sectional view of a disc tray 20 on which 8 cm and 12 cm optical discs can be mounted. This is a disc tray 20 provided with a plurality of protruding portions 24 formed in the circumferential direction so that two types of optical discs having different diameters can be placed. Also in the disc tray 20, the scratch preventing material 18 is provided on the bottom surface 22a of the mounting portion.
And attached to the protrusion 24. Thereby, even when the edge portion 24a of the protruding portion is sharply formed at the time of molding the disc tray 20, the scratch preventing material 18 coats the edge portion 24a of the protruding portion to prevent the optical disc 16 from being damaged. Can prevent, optical disc 1
It becomes possible to suitably attach and detach 6.

Next, a disk tray according to another embodiment will be described with reference to FIG. Disc tray 3 shown in FIG.
0 is different from the above-described embodiment in that the chucking member is integrally formed with the tray.
That is, the disk tray 30 is formed in a substantially rectangular parallelepiped shape, and includes a mounting portion 32 formed in a recessed shape in an upper portion thereof, and a chucking member 35 protruding upward from the center of the mounting portion 32. This chucking member 35 is
It is formed so as to fit into the hole 16b provided in the optical disc 16, and when fitted, it is provided so that the recording surface 16a of the optical disc is held in a state of being slightly floated from the bottom surface 32a of the mounting portion. Has been.

As described above, even when the optical disk 16 is held in a floating state by the chucking member 35, when the optical disk 16 is detached from the chucking member 35, the optical disk 16 bends so that the recording surface 16a of the optical disk 16a. The bottom surface 32a of the mounting portion may come into contact with each other, and the recording surface 16a of the optical disc may be damaged. Therefore, as shown in FIG. 3, also in the disc tray 30, the scratch preventing material 18 is attached to the bottom surface 32a of the mounting portion. As shown in FIG. 1, the scratch prevention material 18 is used for the optical disc 16
A material having a smaller hardness or a material having a friction coefficient smaller than the friction coefficient of the material forming the disc tray 30 is used, and the adhesion is performed in the same manner as the adhesion shown in FIG. Thus, the disc tray 3 including the chucking member 35
Even at 0, by attaching the damage prevention material 18,
Even if the optical disc 16 and the bottom surface 32a of the mounting portion come into contact with each other, the optical disc 16 is not damaged and the optical disc 16 can be attached and detached favorably.

[0019]

According to the disc tray of the present invention,
As described above, by attaching the anti-scratch material to the mounting portion on which the optical disc is mounted, even if the recording surface of the optical disc and the bottom surface of the mounting portion come into contact with each other, the optical disc will not be damaged and the optical disc will not be damaged. It has a remarkable effect that it can be suitably held on the tray.

[Brief description of drawings]

FIG. 1 is a sectional view showing a configuration of an embodiment of a disc tray according to the present invention.

FIG. 2 is a cross-sectional view showing a configuration of a modified example of the disc tray of FIG.

FIG. 3 is a sectional view showing the configuration of another embodiment according to the present invention.

FIG. 4 is a cross-sectional view showing a configuration of a conventional disc tray.

[Explanation of symbols]

10 disc tray 12 Placement section 12a bottom 14 Projection 16 optical disks 16a recording surface 16b hole 18 Scratch prevention material 24a Edge part 35 Chucking member

Claims (6)

[Claims] 1. A disc tray, which is provided so as to be capable of protruding into an optical disc device and has a mounting portion that is recessed for mounting an optical disc, wherein the mounting portion of the optical disc is A disc tray to which a scratch-preventing material for preventing scratches is attached. 2. The disc tray according to claim 1, wherein the scratch preventing material is formed of a material having a hardness lower than that of the optical disc. 3. The disc tray according to claim 1, wherein the scratch preventing material is formed of a material having a friction coefficient smaller than that of the material forming the tray. 4. The disc tray according to claim 1, wherein the scratch-preventing material is colored in a color different from that of the material forming the tray. 5. The disc tray according to claim 1, 2, 3 or 4, wherein the scratch preventing member is formed of either polyurethane or fluororesin. 6. The disc tray according to claim 1, wherein the scratch-preventing material is attached to the entire surface of the tray on which the optical disc is mounted.