JPH08306148A - Disk housing device - Google Patents

Abstract

PURPOSE: To surely protect a disk and to improve handleability of the disk. CONSTITUTION: The device is equipped with a cartridge main body 10 arranged with an upper half 10a and a lower half 10b in combination to be freely openable and closable around a turning fulcrum, and this cartridge main body 10 is freely loadably and unloadably inserted into a cartridge case 20 arranged with a lid body 20b in combination with a case main body 20a to be freely openable and closable around a turning fulcrum. Then, under the state that the cartridge main body 10 is inserted coaxially to the turning fulcrum of the cartridge case 20, the lower half 10b is positioned with respect to the case main body 20a, and the disk 13a is positionally regulated by a disk housing part 12. Subsequently, the upper half 10a is attached to the lid body 20b, and the upper half 10a is opened and closed in linkage with opening and closing operations of the lid body 20b of the cartridge case 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to an optical disc,
The present invention relates to a disc storage device that stores a disc such as a magneto-optical disc and a magnetic disc, and has an opening for recording and / or reproducing an information signal.

[0002]

2. Description of the Related Art Conventionally, a disk accommodating device is removably housed in a case as it is, is detached from the case when used, and is mounted in a disk drive device.
Alternatively, there is known a system in which a disk is rotatably housed and the disk can be driven by mounting the cartridge in a disk drive unit device.

FIG. 9 shows the former method as described above. In a case body 1 having a substantially box shape in which a disk accommodating portion 1a is provided, a lid body 2 has a rotating shaft 2a on one side of its opening side. It can be opened and closed via. An elastic engaging portion 3 for snap fitting is provided in the disc housing portion 1a of the case body 1 so as to correspond to the center hole 4a of the disc 4, and the elastic engaging portion 3 is attached to the center hole 4a of the disc 4. The disk 4 is elastically engaged and housed in the case body 1.

In the latter method, for example, an upper case and a lower case are butted against each other to form a cartridge body, and a disc-shaped disk such as an optical disk, a magneto-optical disk or a magnetic disk is formed in the cartridge body. Is rotatably stored. The cartridge main body accommodating the disc is provided with an opening from which the pickup for recording and / or reproducing the information signal faces from the substantially central portion in the radial direction of the disc. And
A disk table of a disk drive device that rotates the disk together with the pickup is housed in the opening. Further, a shutter formed of a thin metal plate or a hard synthetic resin for opening and closing the opening is slidably attached to the cartridge body.

However, in the case described above, the former case is suitable for carrying and storing, but may damage the disc 4 when the disc 4 is attached to or detached from the disc recording / reproducing apparatus. It has a problem that it is troublesome to handle.

Further, in the latter method, the disc can be effectively protected when the disc is used, but the disc may play in the cartridge body during transportation such as carrying. , The disc may be damaged.

Further, recently, since the media have been diversified, it is considered that it is required to be able to use the same disc in the cartridge as it is or to take it out and use it in a naked state. , That correspondence is also needed.

[0008]

As described above, the conventionally used case or disk cartridge has a risk of damaging the disk when the disk is used or when the disk is transported.

The present invention has been made in view of the above circumstances, and has a simple structure to ensure reliable protection of a disc.
An object of the present invention is to provide a disk storage device capable of realizing improved disk handling.

[0010]

According to the present invention, a disc having a signal recording surface is rotatably accommodated, and a pickup for recording and / or reproducing an information signal to / from the disc is provided on at least one side. A cartridge main body in which the first and second halves provided with openings are combined in a freely openable and closable manner with one end as a fulcrum of rotation, and a cartridge inlet / outlet is provided in the case main body in which the cartridge main body is housed. Corresponding to the above, the cartridge case inserted into the cartridge case from the cartridge inlet / outlet is connected to the case body such that the cartridge case is arranged so as to be openable / closable with one end of the lid body as a rotation fulcrum. Guide to the coaxial position with the rotation fulcrum of the lid of the cartridge case, and when the coaxial position is reached, A half positioning means for releasably positioning one of the first and second halves of the cartridge body, and one of the first and second halves of the cartridge body positioned and housed in the cartridge case. Separation and coupling means for releasably coupling the other of the first and second halves of the main body to the lid of the cartridge case, and one of the first and second halves of the cartridge main body are positioned and accommodated in the cartridge case. In this state, the disc accommodating device is configured to include disc position regulating means for regulating the position of the disc accommodated in the cartridge body.

[0011]

According to the above construction, the cartridge main body is attached to and detached from the cartridge case through the cartridge inlet / outlet, and in the attached state, one of the first and second halves is positioned by the half positioning means, and And the other of the second halves is coupled via a separate coupling means,
Further, the position of the disc of the cartridge body is regulated by the disc position regulating means, and the disc is opened / closed in conjunction with the opening / closing operation of the lid of the cartridge case. As a result, the disc is securely protected during transportation, and the disc can be attached to and detached from the cartridge body. When the disc is used, the cartridge body is taken out of the cartridge case and the cartridge body is directly recorded on the disc. The disc can be mounted on the reproducing device and used, and the disc handling property can be improved.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a disk accommodating device according to an embodiment of the present invention. A cartridge body 10 is an upper half 10 formed by molding synthetic resin, for example.
A and the lower half 10b are arranged so as to be openable and closable in the directions of arrows A and B through a rotation shaft 11 (for example, a rotation fulcrum by a hinge mechanism) to be configured in a substantially box shape (see FIG. 2). The cartridge main body 10 is directly attached / detached to / from a disc recording / reproducing apparatus (not shown), and is detachably housed in a cartridge case 20 described later in the directions of arrows C and D for transportation.

The lower half 10b of the cartridge body 10 is provided with a disk accommodating portion 12 as shown in FIG.
A disk-shaped disk 13 such as an optical disk or a magneto-optical disk is rotatably housed in the disk housing portion 12.
The lower half 10b is provided with a pair of guide grooves 14 (only one side is shown in the figure for convenience of illustration) on both side walls of the lower half 10b so as to correspond to the rotary shaft 11. In addition, as shown in FIG. 3, a plurality of positioning holes 15 are provided in the both side wall portions of the lower half 10b at predetermined intervals corresponding to the guide grooves 14. Further, similarly, disk positioning holes 16 for disk positioning are provided on both side walls of the lower half 10b so as to correspond to the disk housing portion 12.

Upper half 10 of the cartridge body 10
In a, an opening 17 is formed in the radial direction from the center of rotation of the disk 11 so as to face the signal recording surface of the disk 13, and an optical pickup (not shown) is used for signal recording of the disk 13 through the opening 17. The information signal is recorded and / or the recorded information signal is reproduced while facing the surface.

Further, in the cartridge case 20, as shown in FIG. 4, a lid body 20b formed by molding synthetic resin, for example, is attached to the case body 20a through a rotation shaft (rotation fulcrum) 21 to form an arrow A, It is arranged so that it can be opened and closed in the B direction. A cartridge inlet / outlet 22 is formed on one side of the case main body 20a substantially parallel to the rotation shaft 21 so as to correspond to the cartridge main body 10.
A concave grip portion 23 for taking out the cartridge is provided on the.

A guide protrusion 24 (see FIG. 3) is provided inside the side wall of the case body 20a.
It is provided corresponding to the guide groove 14 of the lower half 10b.
On the inner side of the side wall of the case body 20a, the engaging protrusion 25 (only one of them is shown in the figure for convenience of drawing) is positioned in the positioning hole 15 of the lower half 10b of the cartridge body 10.
It is provided corresponding to. Further, on the outside of both side walls of the case main body 20a, there are provided recesses 28a for engaging a lid body 20b described later with a light snap fit when the lid body 20b to be described later is closed. Notches 29 and 30 are provided for allowing the guide protrusion 26 of the lid 20b and the elastic engagement portion 27a to pass therethrough.

On the inside of the side wall of the lid 20b, a guide projection 26 (only one side wall is shown in the figure for convenience of drawing) is formed in the guide groove 14 of the lower half 10b of the cartridge body 10. It is provided corresponding to.

The lid 20b is provided with an elastic engagement lever 27 for pressing the disc. The elastic engagement lever 27 is integrally formed by molding resin molding as shown in FIGS. 5 and 6, for example, and has an elastic engagement portion 27a at the tip thereof in the disc positioning hole 16 of the lower half 10b.
Correspondingly, it is provided to project. Further, on the inner side surface of the side wall of the lid 20b, there is provided a projection 31 (only one side wall side is shown in the figure) that fits into the recess 28 of the case body 20a.

In the cartridge case 20 thus constructed, when the cover body 20b is joined to cover the case body 20a, the guide protrusion 26 and the elastic engaging portion 27a of the cover body 20b are notched in the case body 20a. It protrudes to the inside of the side wall through the portions 29 and 30. In addition, the case body 20a
The combined state of the lid 20b and the lid 20b is detachably held by the recess 28 and the protrusion 31.

The elastic engaging portion 27a of the lid 20b is formed such that the shape of the tip thereof is, for example, such that the surface facing the disc is inclined toward the tip in a direction away from the disc surface, and the inclined portion forms the disc. The disk 13 housed in the housing portion 12 is elastically engaged with the end portion thereof, and the elastic force presses the disk 13 against the disk housing portion 12 to regulate the position (see FIGS. 5 and 6). As a result, the disc 13 accommodated in the disc accommodating portion 17 of the cartridge body 10 is
Does not rattle in the cartridge body 10, and a stable disk accommodation state is secured.

In the above structure, the cartridge body 10
Is mounted on a disc recording / reproducing apparatus (not shown) in a state of being detached from the cartridge case 20. Then
The cartridge body 10 includes a disc 13 of the disc accommodating portion 12 exposed from the opening 17 of the upper half 10a.
The optical pickup of the disk recording / reproducing device is opposed to the signal recording surface of (1) to record and / or reproduce the information signal. The cartridge body 10 is mounted in the disc reproducing apparatus with the surface of the opening 17 facing upward or downward depending on the position of the optical pickup of the disc recording / reproducing apparatus.

When the recording and / or reproducing of the information signal on the disc 13 is completed, the cartridge body 10 is taken out from the disc recording / reproducing apparatus and is inserted from the cartridge inlet / outlet 22 of the cartridge case 20 in the direction of arrow C to the cartridge case 20. It is inserted inside (see FIG. 7).

Then, the cartridge main body 10 has guide grooves 24, 26 of the case main body 20a of the cartridge case 20 and the lid 20b in the guide groove 14 of the lower half 10b thereof.
Is elastically engaged, and the cartridge body 10 is
When pushed in the direction, the base end is biased in the direction of arrow C,
The guide protrusions 24 and 26 are moved by being guided by the guide groove 14. When the rotation fulcrum (rotation shaft 11) of the cartridge main body 10 reaches the coaxial position with the rotation fulcrum (rotation shaft 21) of the cartridge case 20, the case main body 2
0a of the engaging protrusion 25 is the positioning hole 15 of the lower half 10b.
Is elastically engaged with. As a result, the cartridge body 10
The lower half 10b is positionally regulated by the case body 20b of the cartridge case 20, and the guide convex portion 26 of the lid 20b of the cartridge case 20 is interlockably engaged with the inner surface side of the upper half 10a thereof. The insertion into the cartridge case 20 is completed (see FIG. 7). In this state, even if the cartridge case 20 is tilted so that the cartridge inlet / outlet 22 is directed downward, the cartridge body 10 is not detached.

Further, at this time, the elastic engagement lever 27 of the lid 20b has its elastic engagement portion 27a inserted into the disc positioning hole 16 of the lower case 10b, and the cartridge body 1
0 is elastically engaged with the end of the disk 13 of the lower case 10b to press the disk 13 into the disk housing portion 12 of the lower half 10b to regulate the position. As a result, when the cartridge case 20 is transported, the disc 13 can be safely transported without rattling in the cartridge body 10.

Then, in this disk accommodation state,
As shown in FIG. 8, a lid 20b of the cartridge case 20
Rotates (opens) in the direction of arrow A with respect to the case body 20a
Then, the cartridge main body 10 is
By the action of the guide protrusion 26 and the elastic engagement lever 27, a is rotationally biased in the same direction and is opened to the lower half 10b. Here, the disk 1 of the cartridge body 10
3 is in a detachable open state placed in the disc housing portion 12 of the lower half 10b, and the disc is taken out,
It becomes possible to mount a new disc on the cartridge body 10 by mounting it on the disc recording / reproducing apparatus or by exchanging the disc.

When the cartridge body 10 is taken out from the cartridge case 20 while the cartridge body 10 is housed in the cartridge case 20, the cartridge inlet / outlet port 22 of the cartridge case 20 is used.
Put your hand on the grip 23 and pull out in the direction of arrow D. Then, the cartridge body 10 is inserted into the case body 20 of the cartridge case 20 through the positioning hole 15 of the lower half 10b.
When the engaging convex portion 25 of a is released, the elastic engaging portion 27a is released from the disk positioning hole 16 to release the position regulation, and further when it is pulled out in the direction of arrow D, the guide groove 14 causes the case main body to move. The guide protrusions 24 and 26 of the lid 20a and the lid 20b are guided and moved in the same direction, and are taken out of the cartridge case 20 through the cartridge inlet / outlet port 22.

When the cartridge body 10 is taken out from the cartridge case 20, the disc housing portion 12 of the lower half 10b of the cartridge body 10 is directly connected.
The disk 13 accommodated in the disk may be exchanged.

Further, the cartridge body 10 is mounted in the disc recording / reproducing apparatus while being housed in the cartridge case 20, the gripping portion 23 is mechanically clamped inside, and the cartridge body 10 is pulled out from the cartridge case 20 and the opening 17 is formed. May be opposed to the optical pickup.

Further, the elastic engaging portion 27a is formed in a tapered shape so that the tip of the elastic engaging portion 27a presses the disc 13 into the disc accommodating portion 12 of the lower half 10b of the cartridge body 10. If the V-shaped notch is provided in the thickness direction of the disk 13, the disk 13 can be held in the internal spaces of the upper and lower halves 10a and 10b without being pressed into the disk housing portion.
The recording / reproducing surface can be held more reliably. In this case, the elastic engagement lever 27 of the cartridge case 20
In the state where the lid body 20b is released from the case body 20a, the elastic engaging portion 27a is moved to the outside of the side wall of the lid body 20b so that the engagement with the end portion of the disk 13 is released. Is preferred. For this purpose, for example,
An elastic urging means such as a spring for urging the elastic engagement lever 27 and a cam mechanism that interlocks with the opening and closing of the lid 20b and drives the elastic engagement lever 27 against the elastic urging means may be formed. .

As described above, the disk accommodating device has the upper half 10 having the opening 17 for the optical pickup through hole.
The cartridge main body 10 in which the a and the lower half 10b having the disk accommodating portion 12 are arranged so as to be openable and closable about a rotation fulcrum is provided, and the cartridge main body 10 rotates the lid 20b with respect to the case main body 20a. The lower half 10b is detachably inserted into the cartridge case 20 which is arranged so as to be openable and closable around the dynamic fulcrum, and the cartridge body 10 is coaxially attached to the rotation fulcrum of the cartridge case 20. The disk 13 of the cartridge main body 10 is positioned with respect to the main body 20a, and the position of the disk 13 of the cartridge main body 10 is regulated in the disk housing portion 12 of the lower half 10b, and the upper half 10a is coupled to the lid 20b of the cartridge case 20. Lid 20
The upper half 10a is configured to be opened and closed in conjunction with the opening and closing operation of b.

According to this, by inserting the cartridge body 10 into the cartridge case 20, the reliable protection of the disc 13 during transportation is realized, and
By opening / closing the lid 20b of the cartridge case 20, the disk 13 can be attached / detached to / from the cartridge body 10, and reliable disk protection can be realized and a simple handling operation can be realized.

When the disc 13 is used, the cartridge body 10 is taken out from the cartridge case 20 and the cartridge body 10 is directly mounted on the disc recording / reproducing apparatus for use. Definite disk protection is realized,
The disc handling including the disc storage can be improved.

In the above embodiment, the case where the optical pickup is provided in the upper half 10a of the cartridge body 10 with the opening 17 for facing the signal recording surface of the disk 13 has been described. However, the present invention is not limited to this, and the opening 17 for the optical pickup to face the signal recording surface of the disk 13 is provided in the cartridge body 10.
It is also possible to provide it on both the upper and lower halves 10a, 10b.

Further, in the above-mentioned embodiment, the description has been made on the case where the present invention is applied to the disc system which records or reproduces the information signal by using the optical pickup to perform the disc recording and reproduction, but the present invention is not limited to this disc system. Not applicable. Therefore, it goes without saying that the present invention is not limited to the above-described embodiments, and various modifications can be implemented without departing from the gist of the present invention.

[0035]

As described above, according to the present invention,
It is possible to provide a disc accommodating device having a simplified structure, capable of reliably protecting the disc, and improving the handling of the disc. Furthermore, the same disk can be used while it is still in the cartridge, or can be taken out and used in a bare state.

[Brief description of drawings]

FIG. 1 is a diagram showing a disk housing device according to an embodiment of the present invention.

FIG. 2 is a diagram showing the cartridge main body of FIG. 1 taken out.

FIG. 3 is an enlarged view of a part of FIG. 1.

FIG. 4 is a view showing the cartridge case of FIG. 1 taken out.

FIG. 5 is an enlarged view of a part of FIG. 1.

FIG. 6 is a view showing a part of FIG. 5 in a sectional view.

FIG. 7 is a diagram shown for explaining the operation of FIG. 1.

FIG. 8 is a diagram shown for explaining the operation of FIG. 1.

FIG. 9 is a view showing a conventional disc case.

[Explanation of symbols]

 10 ... Cartridge body. 10a, 10b ... Upper and lower cases. 11 ... Rotation axis. 12 ... Disk storage section. 13 ... Disc. 14 ... Guide groove. 15 ... Positioning hole. 16 ... Disk positioning hole. 17 ... Aperture. 20 ... Cartridge body. 20a ... Case body. 20b ... Lid. 21 ... A rotating shaft. 22 ... Disk entrance / exit. 23 ... Grip. 24.26 ... Guide convex portion. 25 ... Engagement protrusion. 27 ... Elastic engagement lever. 27a ... Elastic engagement portion.

Claims (7)

[Claims] 1. A disk having a signal recording surface is rotatably accommodated, and at least one of the disks is provided with an opening facing a pickup for recording and / or reproducing an information signal. And a cartridge main body that is arranged so as to be openable and closable with one end of the second half as a fulcrum of rotation, and a cartridge inlet / outlet is provided in the case main body in which the cartridge main body is housed. The cartridge case inserted in the cartridge case through the cartridge inlet / outlet is a combination of a cartridge case which is arranged so as to be openable and closable with one end of the cover body as a rotation fulcrum. Guide to the coaxial position with the fulcrum, and in the state where the coaxial position is reached, the first and A half positioning means for releasably positioning the one of the two half, in a state where one of the first and second half of the cartridge body is positioned accommodated in the cartridge case,
A disk accommodating device comprising: the other one of the first and second halves of the cartridge main body, and a separating / coupling means for releasably coupling with the lid of the cartridge case together with the lid. 2. A disk having a signal recording surface is rotatably accommodated, and at least one of the disks is provided with an opening facing a pickup for recording and / or reproducing an information signal. And a cartridge main body that is arranged so as to be openable and closable with one end of the second half as a fulcrum of rotation, and a cartridge inlet / outlet is provided in the case main body in which the cartridge main body is housed. The cartridge case inserted in the cartridge case through the cartridge inlet / outlet is a combination of a cartridge case which is arranged so as to be openable and closable with one end of the cover body as a rotation fulcrum. Guide to the coaxial position with the fulcrum, and in the state where the coaxial position is reached, the first and A half positioning means for releasably positioning the one of the two half, in a state where one of the first and second half of the cartridge body is positioned accommodated in the cartridge case,
A separation coupling means for releasably coupling the other of the first and second halves of the cartridge body to the lid of the cartridge case; and one of the first and second halves of the cartridge body. With the cartridge case positioned and stored,
A disc accommodating device comprising disc position regulating means for regulating the position of the disc contained in the cartridge body. 3. The disk accommodating apparatus according to claim 1, wherein the half positioning means has a snap-fit structure for elastically engaging and positioning the first and second halves of the cartridge body. apparatus. 4. The disc position restricting means is provided with an elastic engagement member elastically engaged with an end portion of an outer peripheral portion of the disc on a lid of the cartridge case, and the elastic engagement member is used to form a corner portion of the disc. 3. The disk accommodating device according to claim 1 or 2, wherein the position is regulated by pressing the cartridge body. 5. The elastic engaging member has an inclined portion at an end portion which is inclined in a direction away from the disc surface, and the inclined portion elastically engages and presses a corner portion of an outer peripheral portion of the disc. The disk storage device according to claim 3, wherein the disk storage device is a disk storage device. 6. A disk having a signal recording surface is rotatably accommodated, and at least one of the disks is provided with an opening facing a pickup for recording and / or reproducing an information signal on the disk. And a cartridge body in which one end of the second half is pivotally supported as a pivotal fulcrum, and the cartridge body is arranged so as to be freely opened and closed. The disk can be attached and detached by releasing the first and second halves. Disk storage device. 7. A cartridge body in which a disc having a signal recording surface is rotatably accommodated and at least one of which is provided with an opening facing a pickup for recording and / or reproducing an information signal on the disc. A case main body having an opening on one side surface for accommodating the cartridge main body through the opening; a cartridge holding means for positioning and holding the cartridge main body in the case main body; and a disc accommodated in the cartridge main body. A disk housing device comprising a disk position restricting means for restricting the position.