JPH0668143U - Loading tray - Google Patents

Abstract

(57) [Summary] [Purpose] To make it easier to grip a disc with a small diameter and to reduce the number of protective sheets to improve workability. [Structure] In a loading tray equipped with a protective sheet for protecting a recording surface, discs having different diameters can be placed on the same axis as a rotation center axis of a spindle motor for rotating the disc, and the protective sheet is attached. A plurality of recesses are arranged on the circumference for attachment, and these recesses straddle the mounting surfaces of discs of different diameters, and the vicinity of the outer peripheral position of the discs of smaller diameter is recessed further deeper than the sticking surface. A protective sheet is attached to the recess.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a disc tray structure of a multi-laser disc player.

[0002]

[Prior art]

 There is a multi-laser disc player capable of reproducing optical discs having different diameters such as an optical disc having a diameter of 12 cm called a compact disc (CD) and an optical disc having a diameter of 30 cm called a laser disc (LD) for recording images and sounds. Generally, the loading and unloading of an optical disc in a multi-laser disc player is performed by a loading tray that is movable like a drawer from the front panel. The optical disk mounting surface of this loading tray is shown in the perspective view of FIG.

In the figure, a loading tray 1 is movable in the direction of the arrow, and a cutout portion 2 is provided in the movable direction from the central portion so as to sandwich a turntable (not shown) near the center hole of the optical disc, or an optical disc. An optical pickup (not shown) is installed to read the information. The optical disk mounting surface of the loading tray 1 has a first annular recess 3 having an outer circumference slightly larger in diameter than a laser disk for mounting a laser disk (LD) having a large diameter, and a compact disk having a small diameter. There is a second annular recess 4 on which the (CD) 10 is placed, the second annular recess 4 being concentrically arranged in the first annular recess 3. , Centering the disc.

Further, there are notches 5 on both side surfaces of the loading tray 1 so that the outer peripheral portion of the laser disk is projected so that the disk can be easily taken out. Then, as shown in a partially enlarged view of FIG. 4, the disk-shaped mounting surfaces of the first and second annular recessed portions 3 and 4 are used to prevent scratches from the disk-shaped protective sheet for LD 6 and CD. The protective sheet 7 is attached and fixed at a position equally divided on the circumference.

[0005]

[Problems to be solved by the device]

 However, when a compact disc with a small diameter is taken out from the loading tray, it is placed in the annular recess as shown in FIG. 4, so there is no grip portion and it is very difficult to take out. Furthermore, the protective sheet for preventing scratches is adapted to each mounting surface, so there are two types, which is not preferable from the viewpoint of work man-hours and parts management.

[0006]

[Means for Solving the Problems]

 Therefore, in the present invention, a disc having different diameters can be placed on the same axis as the rotation center axis of a spindle motor for rotating the disc, and a loading tray equipped with a protective sheet for protecting the recording surface of the disc can be used. , A plurality of recesses are provided on the circumference for sticking the protective sheet, the recesses straddle the mounting surfaces of discs with different diameters, and the vicinity of the outer peripheral position of the disc with a smaller diameter is It is characterized by making it deeper.

[0007]

[Action]

 Therefore, the mounted optical disc having a small diameter can be easily grasped and can be shared by one protective sheet.

[0008]

【Example】

 An embodiment of the present invention will be described with reference to a perspective view of FIG. 1 and a partially enlarged view of FIG. The same parts as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted. In the figure, concave portions 8 are radially provided at four locations on the circumference of the loading tray 1 that are equally divided into four parts on the circumference of the first annular concave portion 3 and the second annular concave portion 4.

As shown in FIG. 2, the concave portion 8 has such a degree that the protective sheet 9 is attached to the disk mounting surface of the first annular concave portion 3 so that the protective sheet 9 is higher than the disk mounting surface. It has a depth such that the protective sheet 9 also becomes higher on the disk mounting surface of the second annular recess 4.

Then, in the second annular recessed portion 4, in the vicinity of the outer peripheral portion of the compact disc 10 placed on this surface, the depth of the recessed portion 8 becomes deep so that the outer peripheral portion can be easily grasped. Further, the inside of the mounting surface of the first annular recessed portion 3 is deeply hollowed so that a finger can easily enter the outer periphery of the compact disk 10.

[0011]

[Effect of device]

 As described above, according to the present invention, it is possible to easily grasp an optical disc having a small diameter placed inside the loading tray and to share the protective sheet to improve workability.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a partially enlarged view for explaining the present invention.

FIG. 3 is a perspective view showing a conventional example.

FIG. 4 is a partially enlarged view illustrating a conventional example.

[Explanation of symbols]

 1 Loading Tray 2 Notch Part 3 First Annular Recessed Part 4 Second Annular Recessed Part 5 Notch 6 LD Protective Sheet 7 CD Protective Sheet 8 Recessed 9 Protective Sheet 10 Compact Disc

Claims (1)

[Scope of utility model registration request] 1. A loading tray provided with a protective sheet for protecting disc recording surfaces, on which discs having different diameters can be placed on the same axis as a rotation center axis of a spindle motor for rotating the discs. In order to attach the protective sheet, a plurality of recesses are arranged on the circumference, the recesses straddle the mounting surfaces of discs of different diameters, and the vicinity of the outer peripheral position of the disc having a smaller diameter is deeper than the attaching surface. A loading tray characterized by being recessed.