WO2005055235A1 - ディスクカートリッジ - Google Patents
ディスクカートリッジ Download PDFInfo
- Publication number
- WO2005055235A1 WO2005055235A1 PCT/JP2004/017610 JP2004017610W WO2005055235A1 WO 2005055235 A1 WO2005055235 A1 WO 2005055235A1 JP 2004017610 W JP2004017610 W JP 2004017610W WO 2005055235 A1 WO2005055235 A1 WO 2005055235A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shirt
- disk
- opening
- holder
- cartridge
- Prior art date
Links
- 238000003780 insertion Methods 0.000 claims description 31
- 230000037431 insertion Effects 0.000 claims description 31
- 230000009191 jumping Effects 0.000 abstract description 3
- 230000002452 interceptive effect Effects 0.000 abstract 2
- 239000000428 dust Substances 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/04—Feeding or guiding single record carrier to or from transducer unit
- G11B17/041—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs contained within cartridges
- G11B17/044—Indirect insertion, i.e. with external loading means
- G11B17/046—Indirect insertion, i.e. with external loading means with pivoting loading means
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/0301—Details
- G11B23/0308—Shutters
Definitions
- the present invention relates to a disk cartridge for storing a disk-shaped information medium such as a magnetic disk or an optical disk.
- Disc-shaped information recording media (hereinafter sometimes referred to as discs) are widely used in recent years for recording audio, video, computer data, and the like. Also, in order to record information on such a disk and to reproduce information recorded on a disk, a disk drive device has been developed that performs recording and reproduction using light and magnetism, etc. .
- a technology for increasing the recording density of disks has also been developed, and along with this, a larger-capacity and smaller-sized disk device that can be mounted on a mopile device such as a disk moving camera is desired. For this purpose, it is also necessary to miniaturize the disc cartridge.
- recordable discs are housed in a disc cartridge to prevent dust and fingerprints from adhering to the disc.
- the higher the recording density of a disk the more sensitive it is to dust and fingerprints.
- Patent Document 1 As a conventional example in this field, for example, Patent Document 1 is known.
- the technology disclosed in Patent Document 1 is adopted in an MD (Mini Disc).
- the disk cartridge has a head opening for exposing a part of the disk to insert the recording / reproducing head, and a shirt for closing the head opening.
- the shirt is configured to slide in the same direction as the disc cartridge is inserted into the disc drive, and a locking member is provided to lock the shirt in a closed state.
- This shirt has a U-shaped cross section with an approximately rectangular bottom and sandwiches the disc cartridge body.
- the disc cartridge main body is provided with an engagement groove extending in the insertion direction, and when the retaining projection provided on the shirt engages with the engagement groove, the shirter slides in the insertion direction in which the body force does not fall off. .
- the locking member is provided on the tip side in the insertion direction than the head opening.
- the jaw drive is provided with an overwhelming claw fixed to the inner surface of the cartridge holder to unlock the lock member.
- the overclaw can not close the shirt.
- a panel is provided on the inner side surface of the cartridge holder and the panel is engaged with the hole on the side of the shutter. The shutter closes the head opening by discharging the cartridge force of the disc cartridge while the plate panel holds the shirt.
- the shirt cartridge drive mechanism of the disk cartridge disclosed in Patent Document 1 has a simple structure, it is particularly suitable for realizing a small disk.
- Patent Document 2 discloses a disc cartridge which has a structure for urging a shirt in a closing direction, and which can prevent the shutter from being opened due to a drop impact or the like.
- This disk cartridge comprises a spring for urging the shutter in a closing direction and a holding recess for engaging with a catcher provided on the disk drive.
- Patent Document 1 Patent No. 3030894
- Patent Document 2 Japanese Patent Application Laid-Open No. 2000-173223
- the conventional disc cartridge has the following problems.
- the holding recess is provided on the bottom of the cartridge. For this reason, when the shirt is closed by the force of the spring, it has been difficult in some cases to hold the disc cartridge immediately or surely as the catcher comes off from the holding recess.
- An object of the present invention is to solve at least one of the above-mentioned prior arts, and to provide a compact and dustproof disk cartridge.
- the disk cartridge of the present invention is a case main body that rotatably accommodates a disk-like information recording medium, and is parallel to the direction of insertion into a disk drive for recording and Zing or reproducing information. And a first and a second side facing each other, a bottom surface sandwiched between the first and the second side, and a portion of the bottom surface, exposing a portion of the information recording medium
- the operation portion projecting into the shutter opening groove, and the head opening is opened or closed by sliding in parallel with the insertion direction.
- the head opening is provided on the first side surface and the bottom surface to reach the first side surface.
- the head opening is provided in the first side surface so as not to interfere with the shirt opening groove and the holding recess.
- the head opening has a side opening provided on the first side, and the side opening is located closer to the bottom than the shutter opening groove.
- the case body includes an upper half and a lower half.
- the holding recess is formed integrally with the lower half by a rib formed on the lower half.
- the case body has a holding notch respectively provided on the first side surface and the bottom surface, and the second side surface and the bottom surface.
- the case main body extends in parallel to the shutter opening groove, and the elastic member sliding groove for the elastic member to slide, and the elastic member sliding groove And the elastic member is engaged with the concave portion in a state where the shutter portion closes the head opening portion, and the shutter portion moves.
- the shirt part As in Shina, lock the shirt part.
- the shirt includes a shield covering the head opening and a lock release member having the operation unit, and the shirt over web abuts on the operation unit.
- the lock release member releases the engagement between the elastic member and the recess, and the shirt overrun moves the shirt portion against the biasing force of the elastic member.
- the case main body is provided with a third side surface and the third side surface facing the disk drive when inserted into the disk drive.
- the shutter open groove extends to the third side so as to have an opposing fourth side, and an opening is formed in the third side.
- the disc cartridge further comprises the disc-shaped information recording medium having an information recording surface, and a part of the information recording surface is the head when the shutter is opened.
- the information recording medium is accommodated in the case main body so as to be exposed from the opening.
- the case main body is sandwiched by the first and second side surfaces and has an upper surface facing the bottom surface
- the information recording medium is an information storage medium in the disk drive.
- the holding recess is at the bottom of the shutter opening groove so that the holding recess is positioned on the upper surface side of the information recording surface of the information recording medium in a state of being held so as to be able to perform recording and Z or reproduction. It is provided.
- the holding recess is provided at the bottom of the shutter opening groove so as to be located in the upper half between the top surface and the bottom surface of the case main body.
- a disk drive includes a chassis, a motor supported by the chassis, a motor having a turntable, and a head supported by the chassis for recording and reproducing information or Z and information.
- a holder rotatably attached to the chassis, and slidably provided on the holder
- a slider for biasing the disk so as to eject the disk cartridge inserted into the disk, and a catcher connected to the slider and engaged with the holding recess of the disk cartridge.
- the head opening can be reliably closed except when the head opening should be opened. , Can improve dust resistance.
- the holding recess is provided in the shutter opening groove, the capturing body provided on the disk drive to prevent the reaction force of the elastic member loses the holding recess force, and the capturing body and the recording / reproducing head Interference with lens data can be avoided. As a result, a compact and dustproof disk cartridge can be obtained.
- FIG. 1 is an exploded perspective view showing an embodiment of a disc cartridge according to the present invention.
- FIG. 2 is an external perspective view of the disc cartridge shown in FIG. 1 with the shirt closed. It shows.
- FIG. 3 is an external perspective view of the disc cartridge shown in FIG. 1 with the shirt open.
- FIG. 4 is a perspective view showing the structure of a disk drive corresponding to the disk cartridge shown in FIG. 1;
- 5A is a plan view showing a state in the middle of loading the disk drive ridge shown in FIG. 1 into the disk drive shown in FIG. 4;
- 5B is a plan view showing a state in the middle of loading the disk cartridge shown in FIG. 1 into the disk drive shown in FIG. 4;
- FIG. 5 is a plan view showing a state where the disk cartridge shown in FIG. 1 is loaded in the disk drive shown in FIG.
- FIG. 5 is a plan view showing a state where the disk cartridge shown in FIG. 1 has been discharged from the disk drive shown in FIG.
- FIG. 6 is a plan view showing the arrangement of the lower half when the disk cartridge shown in FIG. 1 is loaded into the disk drive.
- FIG. 7 shows a cross section of the entire disk cartridge in position B-B shown in FIG.
- FIG. 8 The C direction force shown in FIG. 6 also shows a side view of the entire disc cartridge. Explanation of sign
- FIG. 1 is an exploded perspective view showing the disc cartridge 51
- FIGS. 2 and 3 are perspective views showing the appearance of the disc cartridge 51 with the shirt closed and the shirt open, respectively.
- the disc cartridge 51 includes a disc-shaped information recording medium 3, a case body 10, a shirt 11, and an elastic member 7.
- the information recording medium 3 includes a recording layer capable of recording information by light or magnetism or reproducing the recorded information by light or magnetism.
- the recording layer may be of a type that can be written only once //, or it may be of a type that can be rewritten several times. Also, the recording layer may be of a type in which data is already recorded and can not be written.
- the size of the information recording medium 3 is not particularly limited. However, the present invention is particularly suitable for realizing a small-diameter disc cartridge which accommodates small-diameter information recording media.
- the diameter of the preferable information recording medium 3 is about 80 mm or less.
- the case body 10 includes an upper half 1 and a lower half 2 and rotatably accommodates the information recording medium 3. Information is recorded so that the information recording medium 3 is stably placed on the turntable.
- the case body 10 may include a clamping plate 4 disposed near the center hole of the recording medium 3 and magnetically attracted. As shown in the figure, the case body 10 is parallel to the insertion direction A inserted into the disk drive for recording and Z or reproducing information, and is opposed to each other at the first side 2a. And a second side surface 2b and a top surface la and a bottom surface 2c which are sandwiched between the first and second side surfaces and are opposed to each other.
- the third side surface 2d located at a position facing the disk drive is formed of a gently convex curved surface in the present embodiment, and the third side surface 2d faces the third side surface 2d.
- the side 2e of 4 is composed of a flat surface.
- the case main body 10 is provided with a head opening 12 for exposing a part of the stored information recording medium 3, and information recording and Z or reproduction is performed via the head opening 12.
- the user accesses the information recording medium 3.
- the head opening 12 includes a bottom opening 21 provided on the bottom 2c.
- it further includes a side opening 22 provided in the first side 2a, and the bottom opening 21 and the side opening 22 are continuous. That is, the head opening 12 is provided to the bottom surface 2c and the first side surface 2a.
- a shutter opening groove 24 provided so as to extend parallel to the insertion direction A is formed and wound.
- the shirt open groove 24 reaches the third side 2 d such that an opening is formed in the third side 2 d.
- a holding recess 26 is provided at the bottom of the shirt opening groove 24 and at a position close to the third side face 2 d.
- the bottom of the shutter opening groove 24 provided on the first side surface 2 a is constituted by the side rib 23 of the lower half 2. Therefore, the holding recess 26 provided at the bottom of the shirt opening groove 24 is also formed in the lower half 2 continuously to the side rib 23. By providing the holding recess 26, the bonding area with the upper half 1 of the rib 23 is increased. As a result, the bonding strength between the upper half 1 and the lower half 2 is increased.
- the side face 26e which is perpendicular to the bottom face 2c and close to the fourth side face 2e may be inclined, for example, to form an obtuse angle with the bottom of the shutter opening groove 24.
- a pair of positioning holes 29 is provided on the bottom surface 2 c of the case body 10.
- One of the positioning holes 29 is adjacent to the third side surface 2d of the case body 10, and the third side surface 2d is also provided with an opening.
- the positioning holes 29 engage with positioning pins provided on the disc drive and are used to position the disc cartridge 51 in the disc drive.
- the third side 2d facing the disk drive is also provided with an opening of the positioning hole 29, so the positioning hole 29 adjacent to the third side 2d is , It becomes possible to insert the positioning pin from the opening of the side 2d.
- the disk drive uses a structure that has a holder that rotates around a rotating shaft provided at one end, and loads the disk cartridge inserted in the holder into the disk drive by moving the holder up and down. Even in this case, the angle at which the holder is rotated for loading and unloading the disk cartridge 51 can be small, and the disk drive can be miniaturized.
- a holding notch 25 having a recess may be provided on both the bottom surface 2 c and the first side surface 2 a of the case body 10. Also, similarly, a holding notch 25 having a recess may be provided on both the bottom surface 2c and the second side surface 2b. These holding notches 25 automatically move the disk cartridge between the rack and the position where recording and reproduction are possible, for example, in a disk drive provided with a continuous type rack for storing a plurality of disk cartridges. Can be used to engage with the Furthermore, the second side face 2 b may be provided with a notch or a recess 30.
- the side face opening 22 of the head opening 12 is located on the bottom face 2c side.
- the shirt opening groove 24 and the holding recess 26 are formed on the upper side of the side opening 22, that is, on the upper surface la side, via the side wall constituting the shirt opening 24 so as not to interfere with the side opening 22.
- An elastic member sliding groove 31 is also provided on the first side surface 2a.
- the elastic member sliding groove 31 is provided in parallel with and in communication with the shutter opening groove 24. As described in detail below, the end of the elastic member 7 slides in the elastic member sliding groove 31 and biases a part of the shutter 11.
- Recesses 27 and 28 are provided at both ends of the elastic member sliding groove 31. The recess 28 fixes one end of the elastic member 7.
- the other end of the elastic member 7 is detached from the recess 27 and is at the bottom of the elastic member sliding groove 31, the other end of the elastic member 7 moves in the elastic member sliding groove 31.
- the shirt 11 includes a shield 5 and an unlocking member 8.
- the shield 5 is provided on the bottom surface 5b for covering the bottom surface opening 21 of the head opening 12 and the side surface 5a for covering the side surface opening 22 and an end of the side surface 5a and is inserted into the shutter opening groove 24. It has a combined part 5e.
- a U-shaped holding portion 5d having a rectangular bottom is provided in order to hold the unlocking member 8 at both ends of the engaging portion 5e.
- the shield 5 has a rectangular notch and has an abutting portion 5 c inserted into the shutter open groove 24.
- the unlocking member 8 unlocks the shirt 11 by the elastic member 7.
- the end release member 8 is provided at both ends with an operating portion 81 with which the shutter overburden 90 of the disk drive abuts and an abutting portion 82a provided with a notch having an inclined portion.
- the unlocking member 8 is inserted into the holding portions 5d at both ends of the engaging portion 5e of the shield 5, and the unlocking member 8 and the engaging portion 5e are inserted into the shutter opening groove 24.
- the length L1 of the engagement portion 5e is shorter than the distance L2 between the operation portion 81 of the lock release member 8 and the contact portion 82a.
- the end of the bottom 5b of the shield 5 is pressed by the press 6 so as not to float from the bottom 2c of the case body.
- the shirt 11 slides in parallel with the insertion direction A. As a result, the shirt 11 can be in a closed state and an open state of the head opening 12.
- the elastic member 7 abuts on the abutting portion 82 a of the shirt 11 and biases the shirt 11 in the insertion direction A so that the shirt 11 closes the head opening 12.
- Elasticity in the present embodiment The member 7 may be an elastic member formed of a spring, a resin, or the like having a force, a spring, or the like formed by a torsion spring.
- the elastic member 7 has an end 71 and an end 72, and elastically deforms, but restores the end 71 and the end 72 to maintain a predetermined distance.
- the end portion 72 is inserted into the recess 28 of the elastic member sliding groove 31.
- the end 71 is engaged with the recess 27 when the shutter 11 closes the head opening 12 and can not move in the direction of deviation parallel to the insertion direction A.
- the end 71 slides on the bottom of the elastic member sliding groove 31.
- the operation portion 81 of the lock release member 8 is located on the fourth side 2 e than the holding recess 26 in the shirt opening groove 24.
- the holding recess 26 is closer to the third side surface 2 d than the operation portion 81 of the lock release member 8.
- the shirt portion 11 starts to open the head opening 12. Thereafter, as the disc cartridge 51 is inserted, the shirt overrun 90 further moves relative to the inside of the shirt opening groove 24, and the shield 5 moves in the direction D. By this, the head opening 12 is completely opened, and the information recording medium 3 is exposed from the head opening 12.
- the information recording medium 3 is placed on the turntable of the disc drive.
- the shirt over web 90 is at a predetermined position in the shirt opening groove 24, and the elastic member 8 prevents the shirt 11 from moving in the direction of closing the head opening 12. Therefore, while the disk cartridge 51 is loaded in the disk drive, the shirt 11 keeps the head opening 12 open.
- the ejection mechanism (not shown) ejects the disc cartridge 51 in the direction opposite to the insertion direction A.
- the end 71 of the elastic member 7 biases the contact portion 82a in the insertion direction A, and the shirt 11 is inserted.
- Direction A urges. That is, the elastic member 7 biases the shirt 11 so that the head opening 12 is closed.
- the end 71 of the elastic member 7 is inserted into the recess 27 of the elastic member sliding groove 31.
- the shutter 11 moves and locks so as not to open the head opening 12.
- the distance L2 between the operation portion 81 of the lock release member 8 and the contact portion 82a is the engagement portion 5e of the shield 5. Since the shield 5 is longer than the length L 1, only the shield 5 moves in the direction D, and the abutting portion 5 c provided at one end of the engaging portion 5 e of the shield 5 abuts on the end 71 of the elastic member 7. However, since the notch of the contact portion 5 c is rectangular, the end 71 can not be lifted from the recess 27, and the end 71 can not move in the direction D of the shield 5. That is, the shutter 11 remains locked by the end 71 of the elastic member, and the lock is not released.
- the operation portion 81 of the lock release member 8 is located in the shutter opening groove 24, it is also difficult for the user to press the operation portion 81 with a finger or the like to open the shirt 11.
- the shutter 11 is urged by the elastic member 7 so as to close the head opening 12. Therefore, except when the head opening 12 is to be opened, the head opening 12 can be reliably closed to improve dust resistance. For example, even when the disc cartridge 51 is dropped, the head opening 12 can be prevented from opening due to the impact of the drop.
- the lock release member 8 and operating the contact portion 81 of the lock release member 8 so that the shirt can be opened only, the shirt is accidentally or intentionally operated. It is possible to prevent the head opening from being opened.
- FIG. 4 shows an example of a disk drive compatible with the disk cartridge 51.
- This disk drive comprises a chassis 201, a cartridge holder 202, and a spindle motor 205.
- the chassis 201 supports a spindle motor 205 having a turntable.
- the disk drive includes a head for recording and reproduction, and the head is supported by a chassis 201.
- the chassis 201 is provided with positioning pins 201a for determining the position of the disk cartridge 51 so that the information recording medium 3 in the disk cartridge 51 can be correctly placed on the turntable 5 of the spindle motor 205.
- the chassis 201 is fixed to the housing of the disk drive by a damper 208.
- the holder 202 has an insertion slot 202b for inserting the disk cartridge 51 and a space 202c for holding the disk cartridge.
- a slider 203 is provided on the side of the holder 202 and biased by a spring 204 in the direction opposite to the arrow A, that is, in the direction to eject the disc cartridge 51 from the crucible inlet 2b.
- the slider 203 has an abutting portion that abuts on the third side surface 2 d of the disc cartridge 51 inserted into the holder 2.
- a catcher 110 engaged with the holding recess 26 of the disc cartridge 51 is connected.
- the disc cartridge 51 When the disc cartridge 51 is inserted into the space 202 c of the holder 202 from the insertion port 202 b as shown by the arrow A, the disc cartridge 51 abuts on the slider 203. By pushing the disc cartridge 51 against the spring 204, the disc cartridge 51 is further compressed. And held by the holder 202. At this time, the catcher 110 engages with the disk cartridge 51 as described below.
- the slider 203 is locked to the holder 202 by a locking mechanism (not shown). With the insertion, the disc cartridge shirt opens.
- the holder 202 is attached to the chassis 201 so as to be rotatable around a pivot shaft 202a.
- FIG. 4 shows the state where the holder 202 is located at a position where the disc cartridge 51 can be taken in and out of the holder 202 from the bottle inlet 202b. This position is called the first position.
- the holder 202 When the disc cartridge 51 is inserted into the holder 202 and the holder 202 is moved closer to the chassis 201, the holder 202 is positioned at a position where the information recording medium 3 in the disc cartridge is placed on the turn table of the spindle motor 5. Move. This position is called the second position. In the second position, the information recording medium 3 is rotated by receiving the driving force of the spindle motor 5, and using the head, writing data to the recording disk and reading data from Z or the recording disk can be performed. it can.
- the end of the slider 203 is released, and the elasticity of the spring 204 causes the slider 203 to return to the predetermined position.
- the disc cartridge is ejected from the insertion slot 2b by a predetermined distance, and the disc cartridge can be taken out.
- FIGS. 5A to 5D Insertion and ejection operations of the disc cartridge 51 to and from the holder 202 will be described in more detail with reference to FIGS. 5A to 5D.
- the catcher 110, the slider 203, the spring 204 and the shirt over web 90 are shown schematically.
- the capture body 110 and the slider 203 are movably supported relative to the holder 202 and biased in the opposite direction to the arrow A by the spring 204.
- the shirt ⁇ ⁇ ⁇ ⁇ 90 90 is fixed to the holder 202.
- the disk cartridge 51 is further shown by the holder A as shown by arrow A.
- the lock release member 8 and the shield 5 in contact with the shirt overburden 90 stay in that position as they are inserted inward, the main body 10 of the disc cartridge 51 is inserted into the holder 202, The shirt 11 moves in the opposite direction of arrow A relative to it.
- the holding recess 26 of the cartridge body 10 engages with the catcher 110.
- the slider 203 also abuts on the third side surface 2 d of the cartridge body 10. Therefore, in order to insert the disc cartridge 51 into the holder 202 as shown by the arrow A, it is necessary to push the disc cartridge 51 against the biasing force of the spring 204 connected to the slider 203.
- the slider 203 is locked to the holder 202.
- the shutter 11 of the disc cartridge 51 is opened as the disc cartridge 5 is inserted.
- the holder 202 is rotated toward the chassis 201 and moved to the second position, whereby the information recording medium 3 in the disk cartridge 51 is placed on the turn table.
- FIG. 6 is a plan view showing the arrangement of the lower half of the disk cartridge 51 in the disk drive
- FIG. 7 is a cross-sectional view of the entire disk cartridge 51 in the position B--B.
- the disc cartridge 51 is loaded in the disc drive.
- the shield 5 is fully open and in the closed position.
- the head 100 is located at the outermost position of the information recording medium 3, and a lens actuator 101 that drives the objective lens 102 to perform focusing and tracking operations is inserted into the head opening 12. Since the head opening 12 includes the side opening 22, the lens actuator 101 is inserted into the side opening 22 even if the outer shape of the lens actuator 101 is large, and the case body 10 and the lens opening are fitted. There is no contact or interference of the heater 101. For this reason, the disk cartridge 51 of the present invention can be loaded even in a disk drive mounted with a large lens actuator that limits the size of the lens actuator.
- the width of the case main body 10 of the disc cartridge 51 is eliminated. (Direction perpendicular to the insertion direction A) can be reduced.
- the side openings 22 of the head opening 12 are formed.
- the disk cartridge 51 when the disk cartridge 51 is loaded into the drive device, the disk cartridge 51 is inserted into the holder 202 at the first position where the holder 202 is raised, and the capturing body 110 is in the shutter opening groove 24. Engage and hold in the holding recess 26 of Thereafter, by rotating the holder 202, the entire disc cartridge 51 is lowered together with the capturing body 110, and the disc cartridge 51 is loaded at a predetermined position using the positioning pin.
- the information recording medium is placed on the turn table, and the lens actuator of the recording or reproducing head is inserted into the head opening.
- the disc cartridge 51 While the disc cartridge 51 is being lowered, it is positioned by the capture body 110, and it is necessary to accurately hold the turntable and the recording / reproducing head so as not to contact the disc cartridge 51 during the lowering.
- the holder 202 is rotated to lift the disc cartridge 51.
- the lock of the slider 203 is released, and the slider 203 ejects a part of the disk cartridge 51.
- the capture member 110 moves the disc cartridge 51 to the eject position while being engaged with the holding recess 26 so that the disc cartridge 51 does not protrude also by the reaction force of the elastic member 7.
- FIG. 8 is a side view of the entire direction of the disk cartridge 51 as well as the direction C force shown in FIG.
- the catcher 110 which holds the disk cartridge 51 by engaging with the holding recess 26 once lifts the disk cartridge 51 at the time of ejection, and moves the distance S toward the inlet side by the standby position. Move to 111. After removing the disc cartridge 51, the capturing body 110 stands by at that position. Next, when the disc cartridge 51 is inserted, the catcher 110 holds the disc cartridge and returns to the original position shown by the solid line.
- the disc cartridge 51 is not inserted into the holder 202, and in the empty state, the catcher 110 is lowered while being in the standby position 111. However, since the holding recess 26 is at a position higher than the side opening 22, the standby position 111 is located above the side opening 22 of the head opening 12 and the capturing body 110 is a lens opening of the head 100. There is nothing to interfere with Eta 101!
- the retaining notch 25 has the side opening 22 and the side opening 22. Since they are at the same height, the standby position 121 of the capturing body 120 gets into the side opening 22. For this reason, when the recording / reproducing head 100 is in the vicinity of the outermost periphery, it may interfere with the lens actuator 101 in the empty state where the disc cartridge 51 is not inserted. According to the present invention, such a possibility can be eliminated.
- the information recording medium 3 records and Z or reproduces information in the disk drive.
- the shutter opening groove 24 is also positioned on the information recording surface of the information recording medium 3 so that the holding recess 26 is positioned on the upper surface la side from the position HI of the information recording surface 3a of the information recording medium 3 Preferably, it is provided on the upper surface la side from the position HI of the position 3a.
- the holding recess 26 is above, ie, above, the position H2 between the upper surface la and the bottom surface 2a of the case body.
- the capturing body that prevents the disc cartridge from jumping out due to the reaction force of the elastic member engages with the holding recess provided in the shirt opening groove. For this reason, even if the capturing body is slightly lifted from the holding recess, the capturing body is still in the shutter opening groove, and the shirt opening groove regulates the position of the capturing body. For this reason, it is possible to reliably prevent the movement of the disk cartridge before the catcher falls off from the holding recess. In addition, it is possible to efficiently provide the holding recess on the side surface of the small disk cartridge without securing the area for providing the holding recess other than the shutter opening groove. Furthermore, the head opening is received on the bottom side of the shutter opening groove and is in communication with the shirt opening groove and the head opening! As a result, the disc cartridge is inserted or not. It does not get in the opening.
- the head opening 12 may be provided on the upper surface of the force case main body provided only on the back surface of the case main body.
- the elastic member locks the shirt, but another lock mechanism other than the elastic member may be provided on the disc cartridge, and the lock mechanism may be provided. You do not have to.
- a compact, dustproof, high-performance disc cartridge is provided.
- This disk cartridge can be applied to various disk-shaped information recording media for recording using light, magneto-optical, magnetic or the like. In particular, it can be suitably used for a compact, high recording density information recording medium.
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Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005515914A JPWO2005055235A1 (ja) | 2003-12-02 | 2004-11-26 | ディスクカートリッジ |
US10/596,140 US20080019046A1 (en) | 2003-12-02 | 2004-11-26 | Disk Cartridge |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003402585 | 2003-12-02 | ||
JP2003-402585 | 2003-12-02 |
Publications (1)
Publication Number | Publication Date |
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WO2005055235A1 true WO2005055235A1 (ja) | 2005-06-16 |
Family
ID=34650036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/017610 WO2005055235A1 (ja) | 2003-12-02 | 2004-11-26 | ディスクカートリッジ |
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Country | Link |
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US (1) | US20080019046A1 (ja) |
JP (1) | JPWO2005055235A1 (ja) |
CN (1) | CN1890746A (ja) |
WO (1) | WO2005055235A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0736261B2 (ja) * | 1991-08-26 | 1995-04-19 | ソニー株式会社 | ディスクカートリッジ |
JPH07153221A (ja) * | 1993-11-30 | 1995-06-16 | Toshiba Corp | ディスクカートリッジ装置 |
JP2000315371A (ja) * | 1999-05-06 | 2000-11-14 | Sharp Corp | ディスクカートリッジ |
WO2001004899A1 (fr) * | 1999-07-08 | 2001-01-18 | Sanyo Electric Co., Ltd. | Cassette contenant un disque et dispositif d'enregistrement ou de reproduction d'un signal sur le disque ou a partir du disque |
JP2001283553A (ja) * | 2000-03-30 | 2001-10-12 | Sony Corp | ディスクカートリッジ |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2062100C (en) * | 1991-03-05 | 2000-10-31 | Hirotoshi Fujisawa | Disc cartridge |
JPH10507566A (ja) * | 1994-10-18 | 1998-07-21 | アイオメガ コーポレイション | ディスクカートリッジの検出方法および装置 |
US5831794A (en) * | 1996-01-31 | 1998-11-03 | Mitsumi Electric Co., Ltd. | Flexible disk drive having head carriage locking mechanism |
US6570841B1 (en) * | 1998-02-16 | 2003-05-27 | Sanyo Electric Co., Ltd. | Disk cartridge and disk player |
JP2001222872A (ja) * | 2000-02-04 | 2001-08-17 | Sony Corp | ディスクカートリッジ及びディスクカートリッジのローディング方法 |
JP2001338485A (ja) * | 2000-05-26 | 2001-12-07 | Sanyo Electric Co Ltd | ホルダの取付構造 |
US6922839B2 (en) * | 2002-08-29 | 2005-07-26 | Pentax Corporation | Cartridge for protecting optical recording media |
-
2004
- 2004-11-26 JP JP2005515914A patent/JPWO2005055235A1/ja active Pending
- 2004-11-26 WO PCT/JP2004/017610 patent/WO2005055235A1/ja active Application Filing
- 2004-11-26 CN CNA2004800357600A patent/CN1890746A/zh active Pending
- 2004-11-26 US US10/596,140 patent/US20080019046A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0736261B2 (ja) * | 1991-08-26 | 1995-04-19 | ソニー株式会社 | ディスクカートリッジ |
JPH07153221A (ja) * | 1993-11-30 | 1995-06-16 | Toshiba Corp | ディスクカートリッジ装置 |
JP2000315371A (ja) * | 1999-05-06 | 2000-11-14 | Sharp Corp | ディスクカートリッジ |
WO2001004899A1 (fr) * | 1999-07-08 | 2001-01-18 | Sanyo Electric Co., Ltd. | Cassette contenant un disque et dispositif d'enregistrement ou de reproduction d'un signal sur le disque ou a partir du disque |
JP2001283553A (ja) * | 2000-03-30 | 2001-10-12 | Sony Corp | ディスクカートリッジ |
Also Published As
Publication number | Publication date |
---|---|
US20080019046A1 (en) | 2008-01-24 |
CN1890746A (zh) | 2007-01-03 |
JPWO2005055235A1 (ja) | 2007-12-06 |
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