JP2003331497A - Recording medium loading apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent rocking of a carrying tray in a vertical direction by making a mount state of the carrying tray to a disk base constant even when a dimension error takes place in the carrying tray and setting a required minimum support clearance of the carrying tray. <P>SOLUTION: The recording medium loading apparatus for loading/unloading the carrying tray with a recording medium mounted thereon by forwarding/ reversing the carrying tray in a horizontal direction is provided with a support mechanism 3 for supporting the carrying tray 1 while guiding the movement of the carrying tray 1, wherein the support clearance of the carrying tray 1 by the support mechanism can be adjusted. <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 recording medium loading device for loading and unloading a CD, DVD, DVD-R / RW, DAT or the like, which is a recording medium of information, in a computer system, an audio system or the like. It is a thing.

[0002]

2. Description of the Related Art A recording medium for recording or reproducing digital information is usually constructed so as to be transported and driven from the outside of the system to a recording / reproducing unit arranged and fixed inside the system. The loading / unloading of the recording medium is generally performed by a transport tray that moves forward and backward in the horizontal direction between the outside and the inside of the system. A system equipped with such a carrying tray for loading / unloading an optical disc is generally called a disc device. FIG. 5 shows an external appearance of a personal computer (hereinafter referred to as a personal computer) having the disc device D1 built therein. FIG. 6 shows a state in which the disc device D2 is built in the CD player in the audio system.

A conventional general disk device built in the above system is constructed as shown in FIG. That is, in the figure, reference numeral 101 is a 12 cm standard or 8
A transport tray that mounts an optical disk of cm standard and moves horizontally in and out of the equipment casing based on a load or unload instruction is shown. The transport tray 101 is a disc base 102 fixed to the equipment casing body. It moves forward and backward in the horizontal direction. The driving force for moving the transport tray 101 forward and backward is formed on the transport tray 101 via the gear system 103 by the rotational force of a sled motor (not shown) arranged on the disk base 102 as shown in FIG. A general configuration is that the power is transmitted to the rack gear 104.

In the conventional disc device having such a structure, the carrying tray 101 is the disc base 102.
Although it moves forward and backward while sliding on the top, this transport tray 101
8, a support projection 102a is formed on the bottom of the side of the disk base 102, and a support projection 102b is formed on the side wall of the disk base 102 to guide and support the disk. The rail-side end 101a of the transport tray 101 is inserted in the gap G formed between the support protrusion 102a and the support protrusion 102b.

[0005]

By the way, the transport tray 101 and the disc base 10 configured as described above are provided.
Each of 2 is usually molded from a synthetic resin. However, in general, in the case of mass production, it is common to prepare a plurality of molds and simultaneously mold the same part in parallel. However, since it is difficult to completely unify the molding conditions such as the molding pressure and the temperature of the molten resin, all of the molded products are not finished with the same size, and the size and plate thickness vary.

Due to these problems, the bearing protrusion 102 is
The gap G between a and the support protrusion 102b, that is, the transport tray 1
The holding clearance for holding the rail side end 101a of No. 01 is set so as to allow the maximum of molding error, and contact is performed so that a smooth movement can be performed regardless of the molding condition under which the transport tray is molded. It is designed to fit in the gap G without causing resistance.

Therefore, when the carrying tray 101 is incorporated into the disk base 102 having the support projection 102a and the support projection 102b formed under such consideration, the rail side end 101a is thinner than the maximum width of the gap G. When it is molded, vertical play occurs in the transport tray 101 as shown in FIG. When the carrier tray 101 is unloaded and exposed to the outside of the device housing, the carrier tray 101 is in a cantilever state in which only the rear end portion is supported, and the carrier tray 101 is only touched with a fingertip when the optical disc is loaded. The tip of 101 will swing up and down in a swinging state.

When the product is completed in such a state, the user's influence, that is, the operation feeling of the carrying tray is impaired and the high-grade feeling is deteriorated. In particular, in products such as high-quality audio products that require high quality, to improve the marketability, improving the operational feel is an important factor, and it is necessary to prevent uneven quality.

The present invention has been made in order to solve such a problem, and is such that the mounting state on the disc base is constant even if the transport tray has a dimensional error due to molding conditions. Thus, the holding clearance of the transport tray can be set to a necessary minimum so that the swing of the transport tray in the vertical direction does not occur.

[0010]

SUMMARY OF THE INVENTION Therefore, according to the present invention, in a recording medium loading device in which a transport tray loaded with a recording medium is horizontally moved forward and backward to load / unload the transport tray. The holding mechanism is configured to support while holding the holding tray, and the holding clearance of the carrying tray by the holding mechanism can be adjusted.

Further, according to the present invention, in the above structure, the holding clearance is adjusted by advancing / retreating the adjusting screw to solve the above problems.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION The embodiments of the present invention shown in the drawings will be described in detail below. The recording medium to be embodied in the present invention is not particularly limited as long as it can be loaded by a transport tray, but in the following examples, in order to facilitate understanding of the invention. A description will be given based on a general configuration of a disc device for an optical disc.

FIG. 1 is a plan view of a disk device embodying the present invention. In FIG. 1, reference numeral 1 indicates a carrying tray, and a rail side end 1a is formed.
Is supported by a support protrusion 2a formed on the disc base 2 as shown in FIG. 2, and is moved forward and backward in the disc base 2 in the horizontal direction. Reference numeral 3 is a holding mechanism for the carrying tray 1, and includes a lower frame member 4 whose main body is fixed to the disc base 2 and an upper frame member 5 which is connected to the lower frame member 4 by a coupling screw 6 as shown in FIG. Become.

As shown in FIG. 3, the upper frame member 5 has four corners, the centers of which are the rail-side ends 1 of the carrier tray 1.
A screw guide holder 7 is planted at a position directly above a, and an adjusting screw 8 is screwed on the screw guide holder 7. In this state, the tip of the spindle 8a extending from the adjusting screw 8 faces the rail-side end 1a of the transport tray 1 as is clear from FIG.
The spindle 8a has a function of supporting and supporting the movement of the rail side end 1a at its tip, but it is required that it is not in contact with the rail side end 1a.

The disk device of the present invention is constructed as described above, and since the whole device moves forward and backward according to the amount of rotation of the adjusting screw 8, the vertical position of the tip of the spindle 8a can be adjusted. Therefore, a gap gauge is interposed between the rail side end 1a and the tip of the spindle 8a, and the adjustment screw 8
By rotating and positioning the rail, the holding clearance can be made constant no matter what thickness the rail-side end 1a is formed.

[0016]

As described above in detail, according to the present invention, since the holding clearance for the carrying tray can be adjusted, even if the carrying tray has an error in thickness due to molding conditions, the holding clearance is constant. A holding clearance can be obtained, and a recording medium mounting device with constant quality can be obtained.

Further, since the fine adjustment is possible by the adjusting screw, the holding clearance can be set to the necessary minimum. As a result, the vertical swing of the transport tray does not occur at all, and a great effect such as an improved operational feeling is achieved.

[Brief description of drawings]

FIG. 1 is a plan view of a recording medium loading device of the present invention.

FIG. 2 is a cross-sectional view of a recording medium loading device of the present invention.

FIG. 3 is a perspective view showing a holding mechanism of the recording medium loading device of the present invention.

FIG. 4 is a sectional view of an essential part of a recording medium loading device of the present invention.

FIG. 5 is a diagram showing an external appearance of a personal computer including a disk device.

FIG. 6 is a diagram showing an appearance of a CD player having a built-in disc device.

FIG. 7 is a plan view of a conventional disk device.

FIG. 8 is a diagram showing a configuration of a transport tray of a conventional disk device.

FIG. 9 is an explanatory diagram showing a defective state in a conventional disk device.

[Explanation of symbols]

1 ··· Transport tray 1a: Rail end 2 ... Disk base 3 ・ ・ Holding mechanism 4 ... Bottom frame material 5 ... Upper frame material 6- ・ Coupling screw 7 ... Screw guide holder 8 ・ ・ ・ ・ Adjusting screw

Claims (2)

[Claims] 1. A recording medium loading device for loading / unloading a transport tray loaded with a recording medium by advancing and retracting in the horizontal direction, comprising a holding mechanism for guiding and supporting the movement of the transport tray. A recording medium loading device, wherein the holding clearance of the carrying tray by the holding mechanism can be adjusted. 2. The recording medium loading device according to claim 1, wherein the holding clearance is adjusted by advancing and retracting the adjusting screw.