JPH058774U - Disk Cartridge - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] The safety is greatly improved by preventing the shutter from being opened unintentionally when not in use when the cartridge containing the disk is not loaded into the recording / reproducing device. A disk cartridge having a shutter rotatably housed in a case and opening / closing an opening such as a recording / reproducing head insertion window formed in the case, and a lock member for locking the operation of the shutter. ,
Since the operating portion of the lock member is hidden by the shutter, the slider that operates the shutter, or the case, the shutter cannot be opened / closed without being applied to the recording / reproducing apparatus, and dust, dust, and the like enter the case. The disk cartridge can be prevented and the disk error can be reduced and the disk can be prevented from being damaged, so that the disk cartridge can be made reliable.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention rotatably stores a hard disk, especially an optical disk, in a case. Disk cartridge.

[0002]

[Prior art]

  Generally, a magnetic disk, an optical disk or a magneto-optical disk as an information recording carrier is used. As a disk cartridge stored in the case and set in the recording / playback device. It is used after being used.   Conventionally, this type of disc is apt to be dusty or dusty during handling, especially if it is scratched or damaged. In addition to rinsing, the disk is stored in the case because it is greatly affected by temperature changes, Disks are used for openings such as pickup insertion holes and drive shaft insertion holes provided in the case .Shutter that opens and closes when not in use, and lock member that locks the operation of this shutter It is known to have and.

[0003]

[Problems to be solved by the device]

  In the conventional disc cartridge, the shutter operation lock member is shuffled. The operation of the computer should be such that it cannot be opened when not in use. The part is exposed to the outside of the case, so it is not used by the recording / playback device Even if the operator operates the lock part or the lock is released by mistake, the shutter can be easily released. I could just open and close it. For this reason, the shutter is There are more opportunities to open and close, and as a result, dust, dust, etc., easily enter the case and drop out. Error is likely to occur, which adversely affects quality and has a low commercial value There was a problem such as   The present invention seeks to eliminate these drawbacks of the related art, and the user is shuffled. The lock member of the printer should not be operated, and the lock should be set when the cartridge is not in use. Products that are safely used by eliminating problems caused by opening the cutter and reducing error phenomena The purpose is to make the disk cartridge of high value.

[0004]

[Means for Solving the Problems]

  According to the present invention, a disc is rotatably housed in a case, and a recording formed in the case. ・ Shutter that opens and closes the opening such as the playback head insertion window and the operation of this shutter. A disk cartridge having a locking member for locking, wherein the locking portion is The operation part of the material is either the shutter, the slider for operating the shutter, or the case It is a disk cartridge characterized by being concealed by it.

[0005]

[Action]

  When the disc cartridge is placed on the recording / playback device, the slider operation pin 10 is an operating portion 5 of the lock member 5.₁Abutting against and pushing in the claw portion 5 of the lock member 5. ₂ Is disengaged from the engaging portion 11 and the shutter 4 moves to open the opening 3 The disc 1 can be recorded / reproduced, and the slider operation pin 10 is detached when detached from the device. The shutter 4 returns by the force of the spring to close the opening 3. And in this state the lock part Claw part 5 of material 5₂Is fitted into the engaging portion 11 and locked, and the operating portion 5 of the lock member 5 is locked. ₁ The shutter 4 is positioned on the upper side to cover the shutter, so that the user can lock the lock member 5. Do not touch and open and close the shutter 4 when not in contact with the recording / reproducing device. You can try not to give them an opportunity.

[0006]

【Example】

1 to 11, a disk 1 is rotatably housed in a case 2, and a recording / reproducing head insertion window portion formed in the case 2, such as a pickup insertion hole or a drive shaft insertion hole. A disk cartridge having a shutter 4 that opens and closes the opening 3 of the disk, and a lock member 5 that locks the operation of the shutter 4. The operation portion 5 ₁ of the lock member 5 is the shutter 4, and the shutter 4 is operated. The disk cartridge is covered with either the slider 7 or the rib 6 of the case 2 and concealed so as not to be exposed to the outside.

In the embodiment shown in FIGS. 1 and 2, the shutter 4 hides the operation portion 5 ₁ of the lock member 5 so as not to be exposed to the outside.

In the embodiment shown in FIGS. 3 to 7, the operating portion 5 ₁ of the lock member 5 is hidden by the slider 7 that operates the shutter 4, that is, the slider 7 is operated at one end thereof to operate the slider. Under the condition that the shutter 4 is locked by the lock member 5 by projecting the concealing piece 7 ₁ that covers the chevron projection that becomes the operation portion 5 ₁ of the lock member 5 that abuts on the pin 10, the user can lock the lock member 5 by the lock member 5. The shutter 4 cannot be easily opened and closed because it is difficult to touch or operate the shutter 5. Further, the slider 7 is made of a slippery synthetic resin material fixed to the metal plate-shaped shutter 4 and is formed with an engaging concave portion 7 ₂ for locking the claw portion 5 ₂ of the lock member 5, and the case 2 It is slidably fitted and inserted in the guide rail 8 that is provided so as to project. In addition, in the metal shutter 4 having a U-shaped cross section in which the plate-like portion for opening and closing the opening 3 of the shutter 4 and the side surface portion for contacting the operation pin 10 are integrally formed, the concealing portion of the lock member 5 is formed by the side surface portion. May be formed and the shutter covers the operation portion 5 ₁ of the lock member 5.

[0009]   Further, in the embodiment of FIGS. 8 to 11, the case 2 moves the shutter 4. Along the guide rail 8 into which the slider 7 to be slidably fitted is slidably fitted. A rib 6 serving as a partition wall that covers the material 5 is provided on the front surface so as to project, and the operating portion 5 of the lock member 5 is provided. ₁ Is hidden so that it is not exposed to the outside of the case. A window 9 is formed and the cutout window 8 is formed.₁From the operating portion 5 of the lock member 5₁Insert the guy The lock member 5 is arranged inside the drive rail 8, and the slide member is slid across the guide rail 8. The lid 7 is slidably fitted so that the shutter 4 operates smoothly and the lock portion Claw part 5 of material 5₂Engaging recess 7 between the slider and the slider 7₂The lock engagement and disengagement operation with Has been taken into consideration.

[0010]

[Effect of device]

  According to the present invention, a disc is rotatably housed in a case, and a recording formed in the case. ・ Shutter that opens and closes the opening such as the playback head insertion window and the operation of this shutter. A disk cartridge having a locking member for locking, wherein the locking portion is The operation part of the material is either the shutter, the slider for operating the shutter, or the case By concealing it with somewhere, the user and other operators can record and reproduce the cartridge. It is difficult to open and close the shutter when it is not placed, and the shutter is accidentally opened. Do not drop, prevent dust and dirt from entering the case, and drop It does not interfere with recording / playback such as recording, and is used safely and reliably. Cartridge, which increases the commercial value of the cartridge and keeps the disc in high quality for a long time. It has the effect of being held, has a simple configuration, can be provided at low cost, and is convenient to handle. It will bring benefits.

[Brief description of drawings]

FIG. 1 is a plan view of an embodiment of the present invention, excluding an upper case.

FIG. 2 is an enlarged plan view of a lock unit according to the embodiment.

FIG. 3 is a plan view excluding an upper case of another embodiment.

FIG. 4 is an enlarged plan view of the lock portion of the embodiment of FIG.

5 is a side view of the embodiment of FIG.

6 is a vertical cross-sectional view taken along the line AA of FIG.

FIG. 7 is a perspective view showing a separated state of the embodiment of FIG.

FIG. 8 is an enlarged cutaway plan view of a lock portion according to another embodiment of the present invention.

9 is a front view of the embodiment of FIG.

10 is a vertical sectional view taken along line BB in FIG.

11 is a perspective view showing a separated state of the embodiment of FIG.

[Explanation of symbols]

1 Disc 2 Case 3 Opening 4 Shutter 5 Lock Member 5 ₁ Operation Part 5 ₂ Claw 6 Rib 7 Slider 7 ₁ Concealment Piece 7 ₂ Engagement Recess 8 Guide Rail 10 Slider Operation Pin

Claims (3)

[Scope of utility model registration request] 1. A disk comprising a disk rotatably housed in a case, a shutter for opening and closing an opening such as a recording / reproducing head insertion window formed in the case, and a lock member for locking the operation of the shutter. In the cartridge, the operating portion of the lock member is hidden by the shutter, the slider for operating the shutter, or the case. 2. A disk cartridge according to claim 1, wherein said slider has a concealing piece projecting from one end thereof to cover a chevron projection serving as an operating portion of a lock member that abuts the slider operating pin. 3. The rib according to claim 1, wherein the case has a rib protruding from the front surface, the rib covering the lock member, along a guide rail into which a slider for operation of the shutter is slidably fitted. Disk cartridge.