KR19990060060A - Cartridges for discs of different sizes - Google Patents

Abstract

The present invention relates to a disc housing cartridge of different sizes, the cartridge is provided for dual storage of discs having a diameter of 12cm or 8cm, the cartridge is pivotally coupled to the cover to prevent the separation of the disc, the cartridge It has a pair of support levers to rotatably support 8 cm discs from the front, and the cover is pivotably fixed to a variable lever whose variable position is fixed to support 8 cm discs from the rear. By storing discs of different sizes in the cartridge, it is possible to mount a cartridge containing 12cm or 8cm discs on the tray, as well as to reduce the economic cost, and to support 8cm discs in three places. The disc can be prevented from causing eccentricity of the disc generated when it is inserted into the recording / playback apparatus.

Description

Cartridges for discs of different sizes

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to disc storage cartridges of different sizes, and more particularly, to disc storage cartridges of different sizes so that a disc having a diameter of 12 cm or 8 cm can be used in a single cartridge.

In general, by storing a disk (D) divided into a hub area where no information is recorded and a data area capable of recording and reproducing information, to prevent dust, fingerprints, or scratches on the surface of the disk, to obtain desired information without errors. A cartridge is provided to record and protect the recorded information.

Such a cartridge is generally composed of a pair of plates molded by molding a synthetic resin or the like to have a rotation space, and the cartridge exposes the data area of the disk to the optical pickup device installed in the recording / reproducing device to record and / or record information therein. Or an opening is formed so that regeneration is possible, and a shutter is mounted so that opening may be opened in one direction by the shutter opening-closing means.

In the conventional cartridge configured as described above, a disc having a diameter of 12 cm is stored in the cartridge, and then the cartridge is placed on a tray that can be ejected and / or retracted from the front and the inside of the recording and reproducing apparatus, and then drawn into the apparatus. The shutter mounted to the hub area where information is not recorded on the rotating means for rotating the disk to record or play while moving in one direction by contacting one end of the shutter opening and closing means with the input of the tray. Let's do it.

Thereafter, the optical pickup device radiated a semiconductor laser beam in the data area while linearly reciprocating in the radial direction of the data area rotated by the rotating means to record or reproduce information in / from the area.

However, in the conventional cartridge configured as described above, as a disc having a diameter of 12 cm is usually accommodated, it is not only able to seat a small cartridge containing 8 cm disks on a tray, but also a separate cartridge for mounting a small cartridge. There is a problem in that the economic cost is increased due to the change of the structure to provide a tray or to fit the recording and reproducing apparatus to a small cartridge.

The present invention is to solve the above problems, an object of the present invention is to accommodate a disc of a different size in one cartridge, it is possible to seat a cartridge containing a disc of 12cm or 8cm on the tray Of course, there is provided a disc housing cartridge having a different size to reduce the economic cost accordingly.

Another object of the present invention is to provide a disc housing cartridge having a different size that can prevent eccentricity of the disc generated when the disc is inserted into the recording / playback apparatus by supporting the 8 cm discs stored in the cartridge at three places.

1 is an exploded perspective view showing a disc housing cartridge of different sizes according to the present invention;

2 is a perspective view of the cartridge shown in FIG.

3 is a plan view showing a state in which a disc having a diameter of 12 cm is accommodated in a cartridge according to the present invention;

4 is a plan view showing a state in which a disk having a diameter of 8 cm is accommodated in a cartridge according to the present invention;

5 is an enlarged cross-sectional view illustrating an operation of a support lever applied to the cartridge of FIG. 4;

6 is an enlarged view illustrating an operation of a variable lever applied to the cartridge of FIG. 4.

Explanation of symbols on the main parts of the drawings

10: cartridge 12,14: upper and lower plates

12a, 14a: opening 12b: arc guide hole

14b: positioning hole 14c: terminal hole

14d, 14e: first and second holes 16: shutter

18: spring 20: cover

20a: guide ball 22: circular arc rib

24: hinge portion 30: support lever

30a: arc surface 32: tension rib

34: fitting protrusion 40: variable lever

40a: curved portion 42: locking rib

44,46: first and second locking jaw

A feature of the present invention for achieving the above object is a cartridge provided for receiving the disc with a diameter of 12cm or 8cm; A lid rotatably coupled to the cartridge to prevent separation of the disks; Supporting means each provided in the cartridge to support the front of the 8 cm disk; Variable support means for supporting the disk of the 8cm is provided to be variable in the fixed position on the cover from the rear; And a shutter mounted to the cartridge to expose the disks to the optical pickup device.

The support means according to the present invention extends to one end of the tension rib and the injection rib integrally injection-molded on one surface of the support lever and the support lever is pivotally coupled to the inner peripheral surface of the upper and lower plates, respectively. Achieved by being fitted with a fitting.

The variable support means according to the present invention is achieved by being a variable lever for supporting a disk of 8 cm including the support lever at three places while the fixing position is variable along the guide hole formed in the cover.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of disc storage cartridges of different sizes according to the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 illustrate a cartridge according to the present invention, in which a cartridge 10 for dually storing disks D and D 'having a diameter of 12 cm or 8 cm is provided, and the cartridge 10 The cover 20 is pivotally coupled to the rear side of the disk to prevent separation of the disks, and the support means and the variable support means are rotatably supported on the cartridge 10 and the cover 20 so as to rotatably support the 8 cm disk. Prepared.

The cartridge 10 is made of a top plate 12 molded of synthetic resin and the like and a bottom plate 14 coupled to have a rotating space in which the discs can rotate, and the lid 20 supports a 12 cm disc from the rear. The arcuate ribs 22 are molded so as to face inward.

Upper and lower plates 12 and 14 are provided with openings 12a and 14a for recording and / or reproducing information by exposing a data area including a hub area of the disc to the optical pickup device. At the rear edge, a positioning hole 14b is formed to penetrate the positioning pin provided in the apparatus when the cartridge 10 is inserted into the recording / playback apparatus.

On one side of the positioning hole 14b, a terminal hole 14c is formed so as to insert a switch terminal of a recording / playback apparatus for judging whether or not to record information on the disk, and the front surface of the upper and lower plates 12 and 14. Each of the arc guide holes 12b and the first and second fitting holes 14d and 14e are formed to guide the supporting means and to fix the supporting means in the pivoted position, respectively. The fitting holes 14d and 14e are machined to be positioned at both ends of the arc guide hole 12b.

The front of the cartridge 10 is equipped with a shutter 16 which is opened and closed by shutter opening and closing means to expose a 12 cm or 8 cm disk to the optical pickup device, and the shutter 16 is attached to the lower plate 14 of the cartridge 10. A spring 18 for returning to the initial position is fixed to cross the opening 14a.

The support means is provided with a pair of support levers 30 coupled to the hinge portion 24 so as to be pivotable on the inner circumferential surfaces of the upper and lower plates 12 and 14, and a pair of tension ribs on one surface of the pair of support levers 30. (32) is injection molded, and the fitting ribs (34) are extended to the tension ribs (32) so as to selectively fit into the arc-shaped guide holes (12b) and the first or second fitting holes (14d) (14e). The support lever 30 is machined with an arc surface 30a to support a 12 cm disk from the front.

The variable support means is fixed along the guide hole (20a) formed in the cover 20 while supporting the disc (D ') of 8cm including the support lever 30 in three places to have an angle of less than 180 °. It becomes a variable lever 40, the variable lever 40 is pivotally fixed by the hinge portion 24 is moved along the guide hole (20a).

The variable lever 40 is formed with a curved surface portion 40a extending from the locking ribs 42, and the locking ribs 42 have first and second latches depending on a 12 cm or 8 cm disc stored in the cartridge 10. It is selectively caught by the jaws 44 and 46, and the first and second locking jaws 44 and 46 protrude from the cover 20 to be spaced apart at regular intervals.

The operation of the disc storage cartridge having different sizes according to the present invention configured as described above will be described in detail with reference to FIGS.

After opening the pivotally hinged lid 20 on the rear side of the cartridge 10 to accommodate the disk D having a diameter of 12 cm in the cartridge 10, and then storing the disk into its rotating space. When the cover 20 is closed again, the disk is rotated as it is supported from the front and rear by the arcuate rib 22 formed on the cover 20 and the arc surface 30a processed on the pair of support levers 30. Keep this free state. At this time, the variable lever 40 is caught by the locking ribs 42 extending to the curved portion (40a) of the first locking jaw 44 to prevent the flow.

Thereafter, when the cartridge 10 is seated on the tray and then retracted into the recording / reproducing apparatus for recording or reproducing information on / from the disc, the shutter 16 mounted on the cartridge 10 becomes a shutter opening and closing means. By opening the openings 12a and 14a formed in the upper and lower plates 12 and 14 while the spring 18 is tensioned and moved in one direction, information is recorded and / or reproduced in / from the data area of the disc. It is.

On the other hand, when removing the 12cm disk (D) stored in the cartridge 10 and storing the 8cm disk (D ') inside thereof, the upper and lower plates (12) (14) to support the disk of 8cm A pair of support levers 30 fixed to the hinge part 24 and a variable lever 40 fixed to the cover 20 are pivoted as shown in FIG. 4 to rotatably support the disk.

That is, as shown in FIG. 5, the fitting protrusion 34 extended at one end of the tension rib 32 of the support lever 30 is released from the first fitting hole 14d and is formed along the arc guide hole 12b. When moving until the two fitting holes 14e are fitted, the fitting protrusions 34 are fitted into the second fitting holes 14e by the return force of the tension ribs 32, and thus the support levers are rotated at the position where the turning is completed. 30) is fixed.

Then, as shown in FIG. 6, one end of the locking rib 42 extending from the curved portion 40a of the variable lever 40 is released from the first locking jaw 44, and at the same time, the guide hole of the cover 20 is provided. When the variable lever 40 is pivoted inward in the state moved along the 20a, the other end of the catching rib 42 is caught by the second catching jaw 46, thereby preventing the flow of the variable lever 40. .

After that, when the lid 20 is closed, the disc D 'stored in the cartridge 10 is positioned at three positions by the pair of support levers 30 and the variable levers 40 positioned to have an angle smaller than 180 °. As it is rotatably supported, it can be prevented from being eccentrically stored with respect to the cartridge 10.

In this state, when the cartridge 10 is seated on the tray and then retracted into the recording / reproducing apparatus, the shutter mounted on the cartridge 10 is moved in one direction as described above, and has a data area of a disk having a diameter of 8 cm. To the optical pickup device.

As described above, according to the disk storage cartridge having a different size, according to the present invention, a disk having a disc of 12 cm or 8 cm can be seated on a tray by storing a disc having a different size in one cartridge. As a result, economical cost is reduced, and an 8 cm disc can be supported at three locations, thereby preventing disc eccentricity generated when the disc is inserted into a recording / playback apparatus.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (6)

A cartridge provided for dually storing disks having a diameter of 12 cm or 8 cm; A lid rotatably coupled to the cartridge to prevent separation of the disks; Supporting means each provided in the cartridge to support the front of the 8 cm disk; Variable support means for supporting the disk of the 8cm is provided to be variable in the fixed position on the cover from the rear; And And a shutter for mounting the cartridge to expose the disks to the optical pickup device. 2. The disc housing cartridge according to claim 1, wherein the cartridge comprises a top plate molded of a synthetic resin, etc., and a bottom plate coupled to the top plate to have a rotation space for rotating the discs. 2. The disc storage cartridge according to claim 1, wherein the cover is formed with an arcuate rib facing inwardly so as to support the 12 cm disc from the rear. According to claim 1, wherein the support means is a pair of support levers that are rotatably coupled to the inner peripheral surface of the upper and lower plates, respectively, and one end of the tension rib and injection tension integrally injection molded on one surface of the support lever Cartridges having different sizes, characterized in that provided with a fitting protrusion extending in the. The method of claim 1, wherein the variable support means is a variable lever for supporting a disk of 8cm including the support lever in three places while the fixed position is variable along the guide hole formed in the cover is characterized in that the size Other disc storage cartridge. The method of claim 2, wherein each of the front surface of the upper and lower plates is provided with an arc guide hole and the first and second fitting holes to guide the support lever and to fix the support lever in the pivoted position. Cartridges for disk storage with different sizes.