JPH11110948A - Disk cartridge loading device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the advance of foreign matter into a recording and reproducing section by providing the circumference of a cartridge insertion and removal port with a cleaning member coming into sliding contact with the cartridge and wiping the foreign matter, such as dust, adhered to the outside surface of the cartridge at the time of loading the disk cartridge. SOLUTION: This device has a loading mechanism for loading a disk 1 across the inside and outside of a device body 61 within this device body 61. The circumference of the cartridge insertion and removal port 65 is provided with the cleaning member 67 for cleaning the outside surface of the disk cartridge 1. The cleaning member 67 comprises a nonwoven fabric, such as ultra-high polymeric polyethylene sheet, having excellent wear resistance and comes into contact with the outside surface of the disk cartridge 1 when the disk cartridge 1 advances from the insertion and removal port 65, thereby wiping away the foreign matter, such as dust and fingerprints, sticking to the outside surface of the disk cartridge 1. The formation of the cleaning member 67 to a brush form on the inside surface of the insertion and removal port 65 is possible as well.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk cartridge loading device for cleaning the surface of a disk cartridge.

[0002]

2. Description of the Related Art Conventionally, an optical disk apparatus for recording and / or reproducing an optical disk rotatably housed in a disk cartridge rotates the optical disk when the optical disk is mounted on a recording / reproducing section for recording / reproducing the optical disk. It has a disk rotation operation mechanism for operating and an optical pickup device for recording and reproducing information signals. Here, a disk cartridge used in such an optical disk device includes a cartridge main body having a disk storage section configured to rotatably store an optical disk. And, in the cartridge body, a central opening into which a disk rotation operation part for rotating the optical disk enters enters in a central part thereof,
A recording / reproducing opening is provided to expose the signal recording area of the optical disc to the outside. A shutter member for closing the central opening and the recording / reproducing opening is slidably mounted on the front side of the cartridge body, which is the insertion end of the optical disk device.

In the optical disk apparatus, when a disk cartridge is mounted on a recording / reproducing section and a shutter member is slid to open a central opening and a recording / reproducing opening,
A disk rotation operation mechanism enters the cartridge body through the central opening, rotates the optical disk, and emits a light beam from the optical pickup device to the signal recording surface of the optical disk to record and reproduce information signals.

[0004]

By the way, in order to increase the capacity of an information signal to be recorded in an optical disk,
A signal recording layer is formed on a disc substrate, a light transmitting layer of about 0.1 mm is formed on the signal recording layer, and the light transmitting layer side is used as a signal recording surface. Such an optical disk has a working distance of 560, which is the distance between the signal recording surface of the optical disk and the objective lens.
An optical pickup device using a high numerical aperture objective lens having a numerical aperture NA of 0.7 or more and a semiconductor laser having a wavelength of 680 nm or less is used. Such an optical disc is characterized in that the distance between the objective lens and the signal recording surface is extremely close.

Therefore, when the disc cartridge is mounted on the recording / reproducing section, foreign matter such as dust adhering to the outer surface of the disc cartridge may adhere to the objective lens or the like of the optical pickup device. In such a case, reliable recording and / or reproduction of the information signal may not be performed in some cases. In addition, foreign matter attached to the objective lens of the optical pickup device may come into contact with the signal recording surface of the optical disk, and in such a case, the objective lens or the signal recording surface of the optical disk may be stained.

Accordingly, an object of the present invention is to provide a disk cartridge loading device capable of reliably recording and / or reproducing information signals by wiping foreign substances adhered to the outer surface of a disk cartridge. I do.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a disk cartridge loading device according to the present invention has a cartridge insertion / removal opening for inserting / removing a disk cartridge into / from an apparatus main body and a periphery of the cartridge insertion / removal opening. Cleaning means for cleaning the surface of the disk cartridge, and loading means for loading the disk cartridge inside and outside the apparatus main body. In such a disk cartridge loading device, when the disk cartridge is loaded, foreign matter such as dust attached to the outer surface is wiped off, so that the foreign matter enters the recording / reproducing unit for recording and / or reproducing the optical disk. Is prevented. The disk used for the disk cartridge can be an optical disk, a magneto-optical disk, a magnetic disk, or the like.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an optical disk device to which the present invention is applied will be described in detail with reference to the drawings.

As shown in FIGS. 1 and 2, a pair of upper and lower halves 2, 3 formed of a synthetic resin material and formed into a substantially rectangular shape are joined to each other, as shown in FIGS. Cartridge body 4 in which the vicinity of is connected by screws, adhesive, ultrasonic welding, etc.
The cartridge body 4 accommodates an optical disk 5 serving as a recording medium for information signals. On the upper and lower surfaces of the cartridge body 4, a disk table of a disk rotation drive mechanism and an optical disk rotated by the disk rotation drive mechanism disposed in the optical disk device in which the disk cartridge 1 is mounted from the center to the front side. 5
For example, recording and / or reproducing openings 7 and 8 facing an optical pickup device for recording and / or reproducing a predetermined information signal such as a video signal and an audio signal are provided. These recording and / or reproducing openings 7 and 8 are closed by a shutter member 9 slidably provided in the cartridge body 4. The shutter member 9 is opened only when the disc cartridge 1 is used when the disc cartridge 1 is mounted on a recording and / or reproducing apparatus, and prevents dust and the like from entering the cartridge body 4 when not in use. A finger is prevented from touching the signal recording area 5c, and an information signal recording / reproducing error caused by at least foreign matter such as dust or fingerprints adhering to the signal recording area 5c is prevented.

The upper half 2 constituting the cartridge body 4
The lower half 3 is formed of a synthetic resin material having good moldability and sufficient mechanical strength, for example, a polycarbonate resin. The upper half 2 and the lower half 3 are provided with a rising wall constituting a peripheral wall of the cartridge body 4 when the cartridge half 4 is formed by abutting and joining with each other. Further, the upper half 2 and the lower half 3 have arc-shaped position regulation for regulating the horizontal storage position of the optical disc 5 so as to be inscribed in opposing inner surfaces and rising walls constituting the peripheral wall of the cartridge body 4. A wall is provided. When the upper half 2 and the lower half 3 are abutted and joined to each other to form the cartridge main body 4, the position regulating wall forms a disk storage section 6 for rotatably storing the optical disk 5.

The optical disk 5 stored in the disk storage section 6 is a phase-change type optical disk having a higher capacity than a normal optical disk, and two disk substrates are bonded to each other, and signal recording surfaces are formed on both surfaces. This optical disk 5
A signal recording layer is formed on each disk substrate, a light transmission layer of about 0.1 mm serving as a protective layer is formed on the signal recording layer, and the disk is constituted as a whole with a thickness of 1.2 mm. The optical disk 5 uses the light transmitting layer side as a signal recording surface. Also, this optical disk 5
Is provided with a center hole 5a at the center thereof, in which a disk table constituting a disk rotation operation unit is engaged. Further, on the signal recording surface of the optical disc 5, an inner non-signal recording area 5b for supporting the optical disc 5 by a disc table is formed on the outer periphery of the center hole 5a, and the outer peripheral side of the inner non-signal recording area 5b. A signal recording area 5c for recording an information signal is formed on the optical disk 5, and an outer non-signal recording area 5d is formed on the outer periphery of the signal recording area 5c and on the outer periphery of the optical disk 5. In such an optical disc 5, a light beam irradiated by the optical pickup device is irradiated on the signal recording layer, the crystal structure of the signal recording layer is locally changed, information signals are recorded, and the signal recording surface is irradiated. A recorded information signal is reproduced by detecting a change in the amount of reflected return light. This optical disk 5
May be an optical disk having a signal recording surface formed on only one side.

The recording and / or reproducing openings 7 and 8 for allowing the optical disk 5 to face outward are provided on the upper and lower surfaces of the cartridge body 4, ie, the upper half 2 and the lower half 3.
The shutter member 9 is mounted from the center of the optical disk 5 and is formed in a substantially rectangular shape over the side edge of the front side 4a which is the insertion end of the disk cartridge. Is formed so as to be able to face the outside of the cartridge body 4. By forming the openings 7 and 8 in this manner, the opening 7 and 8 allow the optical pickup device to scan over the inner and outer peripheries of the optical disk 5 and to be disposed on the optical disk device side that drives the disk 5 to rotate. The disk table of the disk rotation operation unit can also enter the cartridge body 4 through these openings 7 and 8 to support the optical disk 5.

The recording and / or reproducing openings 7,
Reference numeral 8 denotes a circular disk table opening 7a, 8a located at the center of the cartridge main body 4, and an optical pickup device formed over the front side of the cartridge main body 4 continuously with the openings 7a, 8a. And recording / reproducing openings 7b and 8b. The center hole 5a of the optical disk 5 is exposed from the disk table openings 7a and 8a.

As shown in FIGS. 2 and 3, a cleaning sheet 11 for removing foreign matter such as dust adhering to the signal recording surface of the optical disk 5 is provided in the disk storage portion 6.
a and 11b are provided. Cleaning sheet 11a,
Reference numeral 11b is formed by punching a nonwoven fabric having excellent wear resistance, such as an ultrahigh molecular weight polyethylene sheet or a polyfluoroethylene fiber, into substantially the same shape as the optical disc 5. Notches 12 are formed in the cleaning sheets 11a and 11b so as to face the signal recording area 5c of the optical disk 5 from the outer peripheral edge to the central part, corresponding to the openings 7 and 8.

More specifically, as shown in FIG. 3, the notch 12 of the cleaning sheet 11a, 11b is formed in the center of the cleaning sheet 11a, 11b in a circular shape larger than the disk table openings 7a, 8a. The disc table notches 12a, 12a, and the disc table notches 12a, 12a are formed continuously over the front surface of the cartridge body 4 and one side edge is exposed from the recording / reproducing openings 7b, 8b. Notch 1 for recording and playback
2b and 12b. Then, an adhesive is applied around the cleaning sheets 11 a and 11 b, and the cleaning sheets 11 a and 11 b are attached to the inner surfaces of the upper half 2 and the lower half 3 in the disk storage unit 6.

Such cleaning sheets 11a, 1
1b is formed to be substantially the same size as the optical disk 5, so that when the optical disk 5 is rotated by the disk rotation operation section, the optical disk 5 and the cleaning sheet 11 are rotated.
The airflow can be generated in a stable state between the optical disk 5 and the optical disk 5 in the disk storage section 6 in a stable state. Cleaning sheet 1
1a and 11b may be provided only near the openings 7 and 8 as long as the signal recording area 5c of the optical disk 5 can be cleaned.

As shown in FIGS. 2 and 3, cleaning sheets 11a and 11b are provided in the disk storage section 6 near the openings 7 and 8 in the signal recording area 5 of the optical disk 5.
c, the upper half 2 and the lower half 3
Is provided in each of. The pressing member 10 is formed into a leaf spring shape by punching a metal plate, and the base end side has an opening 7,
An adhesive on the inner surfaces of the upper half 2 and the lower half 3 near 8
It is fixedly attached with screws or the like, and the other end is exposed from the openings 7 and 8 so that it can be pressed by the pressing operation mechanism of the optical disk device. That is, the free end side of the pressing member 10 is formed so as to be at least substantially the same as the radial length of the signal recording area 5c so that the entire area of the signal recording area 5c of the optical disc can be cleaned.

Thus, the cleaning sheets 11a, 1
1b is slidably brought into contact with the signal recording area 5c of the optical disk only when the optical disk 5 is being rotated and the pressing member 10 is being pressed by a pressing operation mechanism of the optical disk device described later. Signal recording area 5c
Perform cleaning. Therefore, the optical disk 5
The cleaning sheets 11a and 11b are
When the optical disk 5 is rotated and the pressing member 10 is pressed by the pressing operation mechanism on the optical disk device side, for example, when a recording / reproducing error is detected, 5 only when the cleaning sheet 11a,
11b is pressed by the pressing member 10 pressed by the pressing operation mechanism on the optical disk device side and slidably contacted to perform cleaning, thereby preventing the signal recording surface of the optical disk 5 from being scratched or the like.

Further, as shown in FIGS. 1 and 2, the cartridge main body 4 is provided with recording and / or reproducing openings 7, 8 provided movably mounted on the cartridge main body 4 and provided in the cartridge main body 4. Shutter member 9 that opens and closes
There is provided a shutter moving unit 13 in which the shutter moves. The shutter moving section 13 includes concave portions 13a and 13b provided on the front side of the upper half 2 and the lower half 3 so as to correspond to the moving area of the shutter member 9. Concave portions 13a, 13
b is formed in a concave shape by the thickness of the shutter portion that closes the recording and / or reproducing openings 7 and 8, and when the shutter member 9 is assembled, the main surface of the upper half 2 and the lower half 3 is in contact with each other. The thickness is reduced by forming the same surface with the shutter section. The shutter moving unit 13 is provided so as to be movable in both directions with the position where the shutter member 9 closes the openings 7, 8 as a reference position. The shutter moving part 13 has a shutter member 9 on the outer surface side of the upper half 2 and the lower half 3 around the openings 7, 8 with the shutter member 9 closing the openings 7, 8.
A cushioning member 15 for preventing foreign matter such as dust from entering through gaps formed between the upper half 2 and the outer surfaces of the lower half 3 is attached. The cushioning member 15 is formed of a nonwoven fabric having excellent wear resistance, such as an ultra-high-molecular-weight polyethylene sheet or a polyfluorinated ethylene-based fiber, and foreign matter is generated by contact between the shutter member 9 and the cushioning member 15, and the foreign matter is formed in the cartridge body. 4 is also prevented from entering.

As shown in FIGS. 1 and 2, the shutter member 9 assembled to the shutter moving portion 13 provided on the front side of the cartridge body 4 is used when the disk cartridge 1 is not mounted on the recording / reproducing apparatus when not in use. ,
The recording and / or reproducing openings 7 and 8 are closed to prevent dust from entering the cartridge body 4 and adhering to the surface of the optical disk 5 through these openings 7 and 8. This is for protection. This shutter member 9 is formed by pressing a thin metal plate, and as shown in FIG. 2, a first shutter portion having an outer shape sufficient to close the openings 7 and 8 respectively. 16
And a second shutter portion 17 and a connecting portion 18 for connecting the base ends of the first shutter portion 16 and the second shutter portion 17 to form a substantially U-shape as a whole.

The first and second shutter sections 16, 17 are
The upper half 2 and the lower half 3 are formed in a rectangular shape that is slightly long in the front-rear direction and has a size large enough to open and close the openings 7 and 8. The leading ends of the first and second shutter sections 16 and 17 are
The upper half 2 and the lower half 3 of the first and second shutter sections 16 and 17 are supported by a shutter holding plate 19 attached to the outer main surface of the upper half 2 and the lower half 3.
Is prevented from floating. Also, the shutter member 9
Is formed so as to have a height substantially equal to the thickness of the front surface of the cartridge body 4.

The shutter member 9 has an engaging piece (not shown) provided on the inner side surface of the connecting portion 18 engaged with a guide groove provided on the front side of the cartridge body 4, and the front surface of the cartridge body 4 is not shown. The position where the openings 7 and 8 are closed along the sides is set as a reference position in both directions, that is, A _{1 in} FIG.
It mounted movably in the direction or A ₂ direction. That is, the disk cartridge 1, when in the one main surface to the upper insertion into the cartridge slot of the optical disc apparatus is operated to move A ₁ direction in FIG 1, the cartridge interpolation of the optical disk apparatus to the other main surface on the upper side when inserting the de-mouth, it is operated to move a ₂ direction in FIG.

The cartridge body 4 has a shutter member 9 only when the shutter member 9 is loaded in the optical disk apparatus.
To open the medium A ₁ direction or A ₂ direction is movement operation opening 7, 8, Figure 1 of the shutter locking mechanism 21a and the shutter member 9 for limiting the movement in the FIG. 1 in A ₁ direction of the shutter member 9 shutter locking mechanism 21b for limiting the movement of the medium a ₂ direction is provided. These shutter lock mechanisms 2
The reference numerals 1 a and 21 b are provided at both corners on the front side of the cartridge body 4. Then, the shutter lock mechanism 21a
The shutter lock mechanism 21b is used to insert the disc cartridge 1 into the cartridge insertion opening of the optical disc device with one main surface of the disc cartridge 1 facing upward. It is used when inserting into the outlet. Since the shutter lock mechanisms 21a and 21b are provided symmetrically and have the same configuration, they will be described below as the shutter lock mechanism 21.

As shown in FIG. 4, the shutter lock mechanism 21 has a rotating member 22 which rotates when pressed.
A lock member 23 for locking the shutter member 9 at a position where the openings 7 and 8 are closed, a regulating member 24 for restricting the rotation of the lock member 23, and a connection for coupling the rotating member 22 and the regulating member 24. And an arm 25. Rotating member 22
As shown in FIG. 4, the support shaft 26 set in the front side corner portion of the cartridge body 4 is used as a rotation fulcrum, and C in FIG.
It is supported rotatably in _one direction or C ₂ direction. The rotating member 22 is a part of the base portion of the disc cartridge 1.
A first pressed portion 27 is formed on a side surface 4b parallel to the insertion / removal direction of the disc cartridge 1 and faces outward from an opening 28 provided on the side surface 4b of the disc cartridge 1. Then, the rotating member 22 is connected to the regulating member 24 via the connecting arm 25. This connecting arm 25 has two ends at the rotating member 2.
2 and the regulating member 24 are rotatably attached. Also,
On the side surface 4b of the disc cartridge 1 in which the opening 28 is provided, a concave guide portion 20 is provided, into which a first pressing portion constituting a shutter opening mechanism described below that presses the first pressed portion 27 enters.

The regulating member 24 connected to the pivot member 22 via the connecting arm 25, in FIG. 4 the support shaft 29 having a base end portion 30 is erected in the cartridge main body 4 as a rotation fulcrum arrow D ₁ or It is rotatably supported by the arrow D ₂ direction. And
The base portion 30 is provided with a first elastic piece 31.
The first resilient piece 31 is locked to the locking piece 32 provided to the cartridge body 4, to bias the regulating member 24 in FIG. 4 arrow D ₁ direction. An arm 33 is provided at the base 30 in the direction of the connecting portion 18 of the shutter member 9.

The locking member 23 is formed in a substantially C-shape as a whole, the base end portion 34 in FIG. 4 the support shaft 35 provided in the cartridge main body 4 as a rotation fulcrum arrow E ₁ direction or E ₂
It is supported so that it can rotate in the direction. This is the base end portion 34, is provided a second elastic piece 36, is engaged with an engaging portion 37 provided to the cartridge body 4, to bias the locking member 23 in FIG. 4 arrow E ₁ direction. Further, a lock arm 38 for locking the shutter member 9 is provided at the base end portion 34. A lock portion 41 is provided at a distal end portion of the lock arm 38 so as to be locked by a protrusion 39 provided on a side edge of the connecting portion 18 constituting the shutter member 9. This lock part 4
1, by the second elastic piece 36 is urged to the locking member 23 in FIG. 4 in the arrow E ₁ direction, is engaged with the projection 39 of the shutter member 9. Further, the lock arm 38 includes
The protrusion 42 is provided on the regulation member 24 side in the middle. The projection 42 is locked by a receiving portion 43 provided at the tip of the arm 33 of the regulating member 24. Figure 4 arrow D regulating member 24 which is biased in _one direction, by engaging the protrusion 42 in the receiving unit 43, prevents the lock member 23 is rotated in FIG. 4 in the arrow E ₂ direction. Further, the lock arm 38 is provided with a second pressed portion 44 facing outward from an opening 45 provided on the front surface side in the moving direction of the shutter member 9. The second pressed portion 44 is pivoted in Figure 4 in an arrow E ₂ direction by being pressed, the lock portion 41 is released from being engaged with the projection 39 of the shutter member 9.

When the shutter member 9 closes the recording and / or reproducing openings 7, 8 as shown in FIG.
First resilient piece 31 in FIG. 4 the regulating member 24 of the 4 arrows C ₁
Biased in the direction. Thus, the rotating member 22 is rotated in FIG. 4 in the arrow C ₂ direction, in a state where the first pressed portion 27 is exposed to outside is pressed against the side opening 28. In addition, the first elastic piece 31 is used as the regulating member 24.
By urging the 4 arrow D ₁ direction receiver 4
3 presses the protrusion 42, and the lock member 23
Prevents rotation in _two directions. Thereby, the second pressed portion 44 is in a state of facing outward from the opening 45, and the lock portion 41 is in a state of being locked by the projection 39 of the shutter member 9. Further, the receiving portion 43 is locked by the projection 42. Thus, the locking member 23 is in a state where it is rotated into 4 in the arrow E ₂ direction is prevented. That is, the shutter lock mechanism 21
Causes the shutter member 9 to prohibit the openings 7, 8 from being opened when not used in the optical disk device.

When the disk cartridge 1 is inserted through the cartridge slot of the optical disk device and held by the cartridge holder, the shutter lock mechanism 21
As shown in FIG. 5, first, the first pressed portion 27 is pressed by the first pressing portion constituting the shutter opening mechanism on the optical disk device side. Then, the rotating member 22 is rotated in the arrow C ₁ direction in FIG 5, rotates the restricting member 24 in FIG. 4 by the arrow D ₂ direction via the connecting arm 25. Then, the engagement between the receiving portion 43 of the regulating member 24 and the projection 42 of the lock member 23 is released. Thereby, the lock member 23
Is set free from being pressed by the regulating member 24.
However, the lock portion 39 of the lock member 23 remains locked by the protrusion 39 of the shutter member 9.

Next, as shown in FIG. 6, the disk cartridge 1 is used to record and / or write data on an optical disk of an optical disk device.
Alternatively, when loaded in a recording / reproducing section for performing reproduction, the second pressed section 44 of the lock member 23 is pressed by the second pressing section of the shutter release mechanism. Then, the lock member 23
Is rotated in the arrow E ₂ direction in FIG. 6, the locking state of the lock portion 39 and the projection 39 of the shutter member 9 of the locking member 23 is released. Then, the shutter member 9 is moved during operation FIGS. 1 and 6 in the arrow A ₁ direction or A ₂ direction by the shutter operation portion constituting the shutter opening mechanism of the optical disk apparatus.

[0030] In the case of ejecting the disk cartridge 1 from the optical disk apparatus, the shutter member 9 is operated to move the arrow A ₁ direction or A ₂ direction in FIG. 6 is first recorded and / or by a shutter operation portion of the optical disk apparatus side It is moved to a reference position at which the openings 7 and 8 for reproduction are closed. Then, when the pressed state of the second pressed portion 44 is released, the lock member 23 is moved to the arrow E _{1 in} FIG.
The lock portion 41 of the lock member 23 is engaged with the protrusion 39 of the shutter member 9. Next, when the pressed state of the first pressed portion 27 is released, the regulating member 24
It is rotated in Figure 4 in an arrow D ₁ direction, receiving portions 43 are projections 42
, And the lock member 23 is
It is in a state where it is prevented from rotating in _two directions. Thus, the shutter member 9 is locked by the shutter lock mechanism 21 in a state where the recording and / or reproducing openings 7 and 8 are closed.

As shown in FIG. 1, the cartridge main body 4 is provided with a specification of the optical disk 5, for example, the type of the optical disk 5, the recording time, the recording time of the optical disk 5, in a direction opposite to the insertion end of the main surface into the optical disk device. An identification unit 46 is provided for identifying whether the signal recording surface is a double-sided type or a single-sided type. The discriminating portion 46 is composed of a plurality of discriminating recesses 47. When the disc cartridge 1 is loaded into the optical disc device, the specification of the disc cartridge 1 is discriminated by a discriminating mechanism provided corresponding to the discriminating portion 46. You. More specifically, the identification unit 46 has an ON state in which the identification pin of the pressing type on the optical disk device side is fitted into the identification recess 47 and is not pressed, and an ON state in which the identification pin 47 is not provided and the identification pin is pressed. Identified by state.

As shown in FIG. 1, the cartridge body 4 has an erroneous information for preventing an information signal from being erroneously recorded on the optical disk 5 in a direction facing the insertion end of the main surface of the cartridge into the optical disk device. A recording prevention mechanism 51 is provided. The erroneous recording prevention mechanism 51 includes an erroneous recording prevention member 52 movable between a first position where information signal recording is prohibited and a second position where information signals can be recorded, and a second position. An identification hole (not shown) closed by the erroneous recording prevention member 52 and an opening 53 for allowing the operation unit of the erroneous recording prevention member 52 to face outward. Such an erroneous recording prevention mechanism 51
In the second position in which the erroneous recording prevention member 52 is moved to close the identification hole, the detection means on the optical disk device side is prevented from entering the identification hole, and the information signal can be recorded on the optical disk 5. State. When the erroneous recording prevention member 52 is moved and moved to the first position where the detection hole is opened, the detection means on the optical disk device enters the identification hole, and the information signal is recorded on the optical disk 5. Disable.

In the cartridge body 4, the disk cartridge 1 is mounted on both sides 4b parallel to the direction of insertion and removal of the disk cartridge 1 into and out of the optical disk device 1. There are provided loading notches 54 and 55 into which a loading mechanism for loading the parts is engaged.
The loading notches 54 and 55 are provided to penetrate from the upper half 2 to the lower half 3 on the front side of the side surface 4 b of the cartridge body 4.

The disk cartridge 1 as described above is
When the optical disk 5 is inserted through a cartridge slot of the optical disk device for recording and / or reproducing data, the cartridge is held by a cartridge holder for holding the disk cartridge 1. The first pressed portion 27 constituting the shutter lock mechanism 21 provided on the side surface 4b of the cartridge body 4 is pressed by the shutter opening mechanism on the optical disk device side while being engaged with the cartridge 55.

Then, when the disc cartridge 1 is mounted on a recording / reproducing section for recording and / or reproducing the optical disc 5 by a loading mechanism, as shown in FIG.
The second pressed portion 44 of the shutter lock mechanism 21 is pressed by the shutter opening mechanism. Then, as shown in FIG.
Receiving part 43 of regulating member 24 and projection 42 of locking member 23
Is released, and the locked state between the lock portion 39 of the lock member 23 and the projection 39 of the shutter member 9 is released.

[0036] Then, the shutter member 9 is the shutter operation portion constituting the shutter opening mechanism of the optical disk apparatus ready to move in FIGS. 1 and 6 in the arrow A ₁ direction or A ₂ direction. The movement, the shutter member 9, when recording or reproduction or a track jump or the like of the optical disk 5, i.e., by a shutter operation portion 1 in the arrow A ₁ direction or A ₂ direction in the drawing only when using the optical pickup device It is operated to make the openings 7, 8 open. In other words, even when the disk cartridge 1 is mounted on the recording / reproducing unit, the shutter member 9 is kept in a standby state such as when the optical disk 5 is not rotated and stopped.
The recording and / or reproducing openings 7 and 8 are closed.

The disc cartridge 1 is operated such that the shutter member 9 opens the openings 7 and 8, and the cleaning of the optical disc 5 is performed only when loading the disc mounted on the recording / reproducing section and when detecting a recording / reproducing error. Is done. More specifically, the cleaning sheets 11a and 11b of the disk cartridge 1 are brought into contact with the signal recording surface of the optical disk 5 by the pressing member 10 being pressed by the pressing operation mechanism on the optical disk device side during loading and detection of a recording / reproducing error. The optical disk 5 is cleaned by rotating the optical disk 5 by the disk rotation operation unit.

Such a disk cartridge 1 is operated by moving the shutter member 9 and opening it only when recording or reproduction of the optical disk 5 or when performing a track jump or the like, that is, when the optical pickup device is used at a minimum. Since the cartridges 7 and 8 are opened, the cartridge body 4
It is possible to prevent foreign matter such as dust from entering the disc storage portion 6.

The disc cartridge 1 is used to record a signal on the optical disk 5 by the cleaning sheets 11a and 11b only when loading or recording / reproducing error is detected immediately before the recording or reproduction of the optical disk 5 is started. From cleaning the surface,
Damage to the signal recording surface of the optical disk 5 can be prevented.

The above description has been given of the case where the cleaning sections for cleaning the signal recording surface of the optical disk 5 use the cleaning sheets 11a and 11b. It may be. That is, the cleaning unit
As shown in FIG. 7, the free end side of the pressing member 10 has a size at least substantially equal to the radial length of the signal recording area 5c so that the entire area of the signal recording area 5c of the optical disc can be cleaned. A cleaning brush 58 may be provided. In this case, the brush 58
A material having excellent wear resistance is used to prevent the signal recording surface of the optical disk 5 from being damaged and to prevent the generation of foreign substances such as dust caused by the brush 58 sliding on the optical disk 5.

As shown in FIG. 8, the cleaning section has at least the radial length of the signal recording area 5c on the free end side of the pressing member 10 so as to clean the entire signal recording area 5c of the optical disk. A cleaning roller 59 having substantially the same size may be provided. In this case, the roller 58 prevents the signal recording surface of the optical disk 5 from being scratched, and prevents the generation of foreign matter such as dust caused by the roller 59 sliding on the optical disk 5. An elastic body such as a foam material having excellent properties is used.

Next, an optical disk device for recording and / or reproducing data on and from the optical disk 5 using the above-described disk cartridge 1 will be described with reference to the drawings. As shown in FIG. 9, the optical disc device 60 includes a recording / reproducing unit 62 for recording and / or reproducing the optical disc 5 housed in the disc cartridge 1 inside a device main body 61. The device body 61 has a device body 6 on its front side.
An operation unit 64 provided with a plurality of operation buttons for performing one operation
Is provided. The operation unit 64 includes a reproduction start button 64a for reproducing an information signal recorded on the optical disk 5 of the disk cartridge 1 loaded in the recording / reproduction unit 62,
Forward track jump button 64b for jumping the track of the optical disc 5 in the forward direction, and reverse track jump button 64 for jumping the track of the optical disc 5 in the reverse direction
c, a recording start button 64 d for recording an information signal on the optical disk 5, a stop button 64 for stopping reproduction or recording
e, a display unit 64f composed of a liquid crystal display device for displaying the address of the information signal being reproduced and the like, and a power button 64 of the apparatus main body 61
g, etc. The operation unit 64 is provided with a cartridge insertion / removal opening 65 through which the operation of inserting / removing the disk cartridge 1 is performed. This cartridge slot 65
Is constituted by an opening slightly larger than the side surface 4a on the front side, which is an insertion end of the disk cartridge 1 into the optical disk device 60.

In the cartridge insertion / removal opening 65,
A cover 66 is rotatably attached so that foreign matter such as dust does not enter the recording / reproducing unit 62 from the outside. The lid 66 has a size sufficient to close the cartridge insertion / removal opening 65. When the disk cartridge 1 is inserted through the cartridge insertion / removal opening 65, such a lid 66 is pressed into the front side surface 4a of the disk cartridge 1 to rotate inward of the apparatus main body 61, The loading of the disc cartridge 1 into the recording / reproducing unit 62 is permitted.

Further, a cleaning member 67 for cleaning the outer surface of the disk cartridge 1 is provided around the cartridge insertion / removal opening 65 as shown in FIG. The cleaning member 67 is made of a nonwoven fabric having excellent abrasion resistance, such as an ultrahigh-molecular-weight polyethylene sheet or a polyfluoroethylene-based fiber. Such a cleaning member 67 comes into contact with the outer surface of the disk cartridge 1 when the disk cartridge enters through the cartridge slot 65, and
Wipe off foreign matter such as dust and fingerprints attached to the outer surface of the. This prevents foreign matter adhering to the outer surface of the disc cartridge 1 from entering the recording / reproducing section 62 and prevents the shutter member 9 from opening the recording and / or reproducing openings 7 and 8. In addition, foreign substances are prevented from entering the disk storage section 6 and are prevented from adhering to an objective lens or the like constituting the optical pickup device.

When a predetermined amount of the disc cartridge 1 is manually inserted into the disc insertion / removal opening 65 with the side surface 4a on the front side of the disc cartridge 1 as an insertion end, the disc is loaded to the recording / reproducing section 62 by the loading mechanism. When the disc cartridge 1 is taken out from the recording / reproducing section 62, the disc cartridge 1 is loaded by the loading mechanism until the disc cartridge 1 protrudes from the cartridge insertion / removal opening 65 by a predetermined amount, and thereafter is taken out from the apparatus main body 61 by finger.

As shown in FIGS. 11 to 13, the loading mechanism 76 of the disc cartridge 1
A side wall parallel to the bottom surface 77a of the chassis 77 to which the housing forming the device main body 61 is fixedly attached and positioned parallel to the bottom surface of the device main body 61 and parallel to the insertion / removal direction of the disk cartridge 1. It has cam plates 78 and 79 slidably supported by 77b and 77c.
The cam plates 78 and 79 are, as shown in FIGS.
Support pins 81, 82 for movably supporting the cam plates 78, 79 with respect to the side wall portions 77b, 77c are provided on the side wall portions 77.
b, 77c first and second support slits 8
3, 84 and are supported by the side wall portions 77b, 77c. The first support slit 83 has side wall portions 77b, 77c.
Is formed linearly from the front end side to the middle part. The second support slit 84 is formed linearly from the middle portion of the side wall portions 77b and 77c to the rear side of the apparatus main body 61, and the rear end portion is bent downward at a right angle.

The cam plates 78 and 79 have cam grooves 85 and 86 corresponding to the front and rear sides of the apparatus main body 61, respectively. The front cam groove 85 on the front side of the apparatus main body 61 has a front horizontal portion, a rear horizontal portion located at a position higher than the front horizontal portion, and an inclined portion connecting these horizontal portions. . The rear cam groove 86 on the rear side of the apparatus main body 61 has the same shape as the front cam groove 85, and has a front horizontal portion, a rear horizontal portion, and an inclined portion connecting these horizontal portions. The cam plates 78 and 79 are provided with a rack gear 87 for moving the cam plates 78 and 79 in the moving direction of the disk cartridge 1. The rack gear 87 includes the cam plate 7.
8, 79, formed at the lower edge from the front end to the rear end. Further, the cam plate 78 has an engagement hole 88 located between the cam grooves 85 and 86. This engagement hole 88
The cam plate 78 is configured such that the moving direction of the cam plate 78 is the longitudinal direction, and the trailing edge portion is formed as an inclined portion corresponding to the inclined portions of the cam grooves 85 and 86.

As shown in FIG. 11, a cartridge holder 91 for holding the disk cartridge 1 and an operation plate 92 connected to the cartridge holder 91 for rotating the cartridge holder 91 are provided between the cam plates 78 and 79.
And a slide plate 93 provided between the cartridge holder 91 and the operation plate 92.

The operation plate 92 is provided on the bottom 77 of the chassis 77.
It is formed having substantially the same size as a. This operation plate 92
A pair of left and right support pins 94, 95, 96, 97 are provided on side surfaces parallel to the cam plates 78, 79. The front support pins 94 and 96 are engaged with the front cam grooves 85 of the cam plates 78 and 79, as shown in FIGS. 11 and 13, and are further provided on side surfaces 77b and 77c of the chassis 77. 3 is engaged with the support slit 98. The third support slit 98 is formed linearly from the front side of the side wall portions 77b and 77c to the middle part, and the rear end portion is bent downward at a right angle. The rear support pins 95 and 97 are engaged with the rear cam grooves 86 of the cam plates 78 and 79, and are further engaged with the second support slits 84 provided on the side surfaces 77 b and 77 c of the chassis 77. You.

That is, the operation plate 92 includes support pins 94,
When the cam plates 78 and 79 are moved in the front-rear direction, the side walls 77b and 77c are supported by the side walls 77b and 77c via the 95, 96 and 97, respectively. The disk cartridge 1 is moved along the third support slit 98 and the second support slit 84 provided in the 77b and 77c in the insertion and removal direction of the disk cartridge 1.
The operation plate 92 includes support pins 94, 95, 96, and 97.
To the third support slit 98 and the second support slit 84
In the state of being located at the rear end of the chassis 77, it is moved downward in a direction approaching the bottom surface portion 77a of the chassis 77.

As shown in FIG. 11, the cartridge holder 91 opens the front side of the cartridge insertion / removal opening 65 side of the apparatus main body 61 so as to hold the disk cartridge 1, and has a substantially U-shaped cartridge holding portion on both side surfaces. 101,
102 is provided. The cartridge holder 91 is provided below the operation plate 92. Cartridge holder 91
The screws 1 are located on the left, right, and center of the operation plate 92 on the front side.
03 is supported by being suspended from the operation plate 92. That is, the cartridge holder 91 is
On the other hand, it can be moved up and down over the length of the screw 103.

The cartridge holder 91 includes:
At the rear edge, a cartridge positioning wall 10 bent below the rear edge side of the main surface of the cartridge holder 91.
4 are provided. This cartridge positioning wall 104
When the disc cartridge 1 is inserted, the front side of the disc cartridge 1 is abutted. In the center of the main surface of the cartridge holder 91, a disk-shaped clamper 100 for holding the optical disk 5 and rotating the optical disk 5 together with a disk table constituting a disk rotation operation unit is rotatably provided. This clamper 10
Reference numeral 0 indicates that the cartridge holder 91 is rotatably attached to a position facing the disk rotation operation unit when the cartridge holder 91 is moved in a direction approaching the disk rotation operation unit. The clamper 100 is made of a magnetic material and is formed in a disk shape having substantially the same size as the disk table 144 on which the optical disk 5 is mounted. Can be Further, when the disc cartridge 1 is inserted into the cartridge holder 91, the shutter member 9 of the disc cartridge 1 locks the one of the cartridge holding portions 101 in a state in which the recording and / or reproducing openings 7, 8 are closed. A first pressing portion 152 that constitutes a shutter opening mechanism that presses the first pressed portion 27 of the shutter lock mechanism 21 is provided.

The slide plate 93 holds the cartridge holder 9
The cartridge holder 91 is disposed between the control plate 1 and the operation plate 92, and is slidably attached to the cartridge holder 91 in the front-rear direction within a predetermined range. As shown in FIG. 11, the coil spring 105 is locked by a locking portion provided on the rear side of the sliding plate 93 and a locking portion provided on the rear edge of the cartridge holder 91, as shown in FIG. It is urged in the direction of arrow F in FIG. Therefore, the cartridge holder 91 and the operation plate 92 attached to the cartridge holder 91 are urged forward of the apparatus main body 61 in the direction opposite to the direction of arrow F in FIG.

On the cam plate 79 side of the slide plate 93, the front side surface 4a of the disc cartridge 1 is directed inward.
A pressed piece 106 against which is pressed is provided. In the initial state where the slide plate 93 is positioned on the front side of the cartridge holder 91 against the urging force of the coil spring 105, the pressed piece 106 is positioned on the front side of the cartridge positioning wall 104, and the slide plate 93 is When moved to the rear side of the holder 91, it is moved to a position flush with the cartridge positioning wall 104. Further, a rising portion is provided on the cam plate 78 side of the slide plate 93 from the main surface of the slide plate 93, and a support protrusion 107 is provided on the rising portion. The support projection 107 is engaged with an engagement hole 88 provided in the cam plate 78.

As shown in FIGS. 11 and 12, a cartridge detecting arm 111 for detecting that the disk cartridge 1 has been inserted into the cartridge holder 91 and a recording / reproducing section A loading arm 112 for loading to 62 is rotatably attached. The cartridge detection arm 111 has a mounting pin 113 on the proximal end side.
Is supported so as to be rotatable about the rotation support point. The cartridge detection arm 111 has a loading arm 11
2 has an abutting portion 114 that abuts on
Is projected to a position between the cartridge holder 91 and the cam plate 78. Also, this cartridge detection arm 1
In the cartridge holder 11, a cartridge contact pin 115 is provided in the middle of the cartridge holder 91 so that the front side surface 4 a of the disk cartridge 1 contacts the cartridge holder 91.

The cartridge detecting arm 111 has a torsion coil spring 116 mounted on a mounting pin 113, one end of which is locked by a locking portion provided on the slider plate 30, and the other end of which is on the cartridge detecting arm 111. 10 and 11, the cartridge contact pin 115 is urged in the direction of arrow G in FIGS. 10 and 11 so as to be located in front of the cartridge holder 91. Then, the cartridge detection arm 111 is provided with the positioning piece 1 provided on the slide plate 93.
17, the positioning piece is positioned at an initial position in contact with the positioning piece 117.

The loading arm 112 is rotatably supported on the base end side with the mounting pin 118 as a rotation fulcrum. Then, the loading arm 112 has the torsion coil spring 124 attached to the attachment pin 118,
It is urged outward from the cartridge holder 91, that is, in the direction of arrow H in FIGS. The loading arm 112 is provided with a contact protrusion 119 on the tip side, which is in contact with the contact portion 114 of the cartridge detection arm 111, facing upward. The contact protrusion 119 prevents the loading arm 112 from rotating inward of the cartridge holder 91 by being in contact with the contact portion 114 of the cartridge detection arm 111.

The loading arm 112 has an engaging portion 121 which is engaged with the notches 54, 55 for loading provided on the side surface 4b in the insertion / removal direction of the disc cartridge 1 toward the cartridge holder 91. Is provided. Further, the loading arm 112 includes
A locking portion 122 is provided on the cam plate 78 side. As shown in FIG. 12, the locking portion 122 is locked to a front side edge of a stopper wall 123 provided upright on the bottom surface portion 77a of the chassis 77, and the slide plate 93 and the operation plate 92 are connected to the apparatus main body 61. Prevents you from moving backwards.

The side wall 77b of the chassis 77 includes:
As shown in FIG. 13, a loading drive mechanism 126 for moving the cam plates 78, 78 in the insertion / removal direction of the disk cartridge 1 is provided. The loading drive mechanism 126 includes a loading motor 1 serving as a drive source.
27, a driving pulley 128 attached to a driving shaft of the loading motor 127, a driven pulley 129 having a gear portion 129a, a driving pulley 128 and a driven pulley 12
9 and the driven pulley 129
Large-diameter first gear portion 13 meshed with the first gear portion 129a
A first transmission gear 132 having a second gear portion 2a and a second gear portion 132b having a small diameter, a first gear portion 133a having a large diameter and a second gear portion 132 having a small diameter engaged with the second gear portion 132b
b, and a drive gear 134 meshed with the first gear portion 133a of the second transmission gear 133 and meshed with the rack gear 87 of the cam plate 78. Such a loading drive mechanism 126
, When the loading motor 127 is driven in the forward direction to move the cam plate 78 in FIG. 13 in an arrow I ₁ direction, the loading motor 127 is driven in the reverse direction, in FIG. 13 the cam plate 78 arrow I Move in _two directions.

Further, the cam plate 78 and the cam plate 79 are formed as shown in FIG.
3, the side walls 77b and 77c of the chassis 77
Is connected via a transmission mechanism 136 provided in the. The transmission mechanism 136 includes a drive transmission gear 137 meshed with the rack gear 87 of the cam plate 78, an intermediate gear 138 meshed with the drive transmission gear 137, and a rotation shaft of the intermediate gear 138. A connection shaft 139 is provided around the connection shaft 79, and an intermediate gear (not shown) attached to the cam plate 79 of the connection shaft 139 and meshed with a rack gear 87 provided on the cam plate 79. Accordingly, in the transmission mechanism 136, the cam plate 79 is moved in synchronization with the cam plate 78 by driving the loading motor 127.

Next, the operation of the loading mechanism 76 of the disk cartridge 1 will be described. First, when the disc cartridge 1 is not inserted through the cartridge insertion / removal opening 65, the cam gears 78 and 79 are in the initial state on the front side of the apparatus main body 61 as shown in FIGS. At this time, the support pins 94, 96 on the front side of the operation plate 92 are connected to the front cam grooves 85 of the cam plates 78, 78.
, The side wall portions 77a, 77 of the chassis 77.
3b is located at the front end of the third support slit 98 provided at the position b. The support pins 95, 97 on the rear side of the cam plates 78, 78 are located at the rear ends of the rear cam grooves 86 of the cam plates 78, 78, and are provided on the side walls 77a, 77b. Is located in the middle of the support slit 84. Further, the support projection 107 of the slide plate 93 is
Is pressed and supported by the rear end of the engagement hole 88 of the slide plate 93.
Is located on the front side of the cartridge holder 91. Therefore, the loading arm 112 is provided with the locking portion 122 provided on the loading arm 112.
Stopper wall 1 provided on the bottom surface portion 77a
23, the slide plate 93 and the operation plate 9
2 is prevented from moving to the rear side of the apparatus main body 61. Further, the loading arm 112 is attached to the contact portion 114 of the cartridge detection arm 111 by the contact protrusion 1.
19 is brought into contact with the cartridge holder 91.
Is prevented from rotating inward.

When the disk cartridge 1 is inserted into the cartridge insertion slot 65 with the side surface 4a on which the shutter member 9 is assembled as an insertion end, the disk cartridge 1 presses the cartridge contact pin 115 by the side surface 4a to detect the cartridge. The arm 111 is twisted against the urging force of the torsion coil spring 116 so that the cartridge holder 91
To the rear side of. At this time, the contact portion 114 of the loading arm 112 is
The state of contact with the first contact protrusion 119 is released, and the cartridge holder 91 is made rotatable inward. The side surface 4 a on the front side of the disk cartridge 1 abuts against the pressed piece 106 of the slide plate 93.

When the disk cartridge 1 is further pressed into the apparatus main body 61, the cam plate 78,
79 is pressed slightly at the rear end of the engagement hole 88 by the support projection 107 of the slide plate 93, and is slightly moved rearward.
Then, the drive gear 134 meshed with the rack gear 87 of the cam plate 78 is slightly rotated in one direction. Here, the rotation of the drive gear 134 is detected by a detection unit (not shown), and the loading motor 127 is driven in the forward direction.

When the loading motor 127 starts driving and the cam plates 78 and 79 are moved to the rear side of the apparatus main body 61, as shown in FIGS.
Following this, is operated to move behind the apparatus main body 61, that is, in the direction of arrow J in FIG. At this time, since the operation plate 92 is urged forward by the apparatus main body 61 with respect to the slide plate 93 by the coil spring 105 stretched between the slide plate 93 and the cartridge holder 91, the operation plate 92 is moved rearward of the apparatus main body 61. Never move. That is, with the operation plate 92 stopped with respect to the chassis 77,
The cam plates 78 and 79 and the slide plate 93 move to the rear side of the apparatus main body 61. Therefore, the support pins 9 of the operation plate 92
4 and 96 move forward of the front cam grooves 85 of the cam plates 78 and 79 while being positioned at the front end of the third support slit 98. Further, support pins 95 on the rear side of the operation plate 92,
97 moves forward of the rear cam groove 86 of the cam plates 78 and 79 in a state where it is located in the middle of the second support slit 84.

The support projection 107 of the slide plate 93 presses the rear end of the engagement hole 88 by the coil spring 105 stretched between the slide plate 93 and the cartridge holder 91. Then, as the slide plate 93 moves rearward of the apparatus main body 61, the locking arm 122 rides on the front side edge of the stopper wall 123 and slides on the side surface of the stopper wall 123, so that the loading arm 112 slides. The holder 91 is rotated inward. As a result, the engaging portion 121 of the loading arm 112 is
The disk cartridge 1 is engaged with the loading notch 54 provided on the side surface 4b parallel to the insertion / removal direction of the disk cartridge 1 so that the disk cartridge 1 can be pulled into the recording / reproducing unit 62.

[0066] Slide plate 93, following the movement of the arrow I ₁ direction in FIG. 15 of the cam plate 78 and 79, the coil spring 1
14 is moved in the direction of arrow J in FIG. 14 so that the pressed piece 107 against which the front side surface 4a of the disk cartridge 1 abuts is flush with the cartridge positioning wall 104 of the cartridge holder 91. Moved to In this state, the first pressed portion 27 constituting the shutter lock mechanism 21 of the disc cartridge 1
It is pressed by the first pressing portion 152 provided on the cartridge holding portion 101 of the cartridge holder 91. Therefore, the side surface 4 a of the disc cartridge 1 is abutted against the pressed piece 107 of the slide plate 93 and also against the cartridge positioning wall 104 of the cartridge holder 91. At this time, the support pins 9 of the operation plate 92
As shown in FIG. 15, 4, 95, 96 and 97 are located at the connection points between the horizontal portions and the inclined portions behind the cam grooves 73 and 74.

Further, when the loading motor 127 starts to be driven and the cam plates 78 and 79 are moved to the rear side of the apparatus main body 61, as shown in FIGS. Is moved to the rear of the apparatus main body 61 while maintaining the positional relationship. That is, the cam plates 78, 79 are supported by the support pins 94, 95, 9 of the operation plate 92.
It moves to the rear of the third support slit 98 and the second support slit 84 in a state where it is located at the connection point between the horizontal portion and the inclined portion on the rear side of the 6,97 cam grooves 85,86. At this time, the positional relationship between the operation plate 92 and the slide plate 93 is maintained by the coil spring 105 stretched between the slide plate 93 and the cartridge holder 91. Then, the disc cartridge 1 is loaded above the recording / reproducing section 62 provided with the disc rotation operation section and the optical pickup device.

Further, the loading motor 12
When the cam 7 starts to be driven and the cam plates 78 and 79 are moved to the rear side of the apparatus main body 61, the operation plate 92 maintains the positional relationship with the slide plate 93 as shown in FIGS. Thus, the recording / reproducing unit 62 is moved downward. That is, the operating plate 92 is moved further downward by the support pins 94, 95, 96, 97 of the operating plate 92 abutting against the rear ends of the third support slit 98 and the second support slit 84. . Further, the support pins 94, 95, 96, 97 are moved to a lower horizontal portion on the front side of the cam grooves 85, 86 of the cam plates 78, 79. That is, the support pins 94, 95, 96, and 97 are connected to the third support slit 98 and the second support slit 84 and the cam groove 8.
By being located at the intersection of 5, 86, it moves below the third support slit 98 and the second support slit 84. Thus, the disc cartridge 1 is mounted on the recording / reproducing unit 62. And loading motor 1
27 is stopped.

[0069] When the disk cartridge mounted on the recording reproducing unit 62 to discharge from the cartridge slot 65, the loading motor 127 is driven in the reverse direction, the cam plate 78, 79 in FIG. 19 in an arrow I ₂ directions Move. The respective cam plates 78, 79 are moved forward of the apparatus main body 61, so that the support pins 94, 95, 96, 97 of the operation plate 92 are moved to the cam grooves 8 as shown in FIG.
The disk cartridge 1 held at the intersection of the inclined portions 5 and 86 and the bent portion of the third support slit 98 and the second support slit 84 at the rear end downward, and held by the operation plate 92, that is, the cartridge holder 91. Are separated from the recording / reproducing unit 62.

Further, when the cam plates 78 and 79 are moved forward of the apparatus main body 61 by the loading motor 127,
As shown in FIGS. 14 and 15, the operation plate 92 is maintained in the positional relationship with the slide plate 93, and
Will be moved forward. That is, the cam plates 78 and 79
The support pins 94, 95, 96, and 97 of the operation plate 92 are moved until they are located at the connection points between the horizontal portions and the inclined portions on the rear side of the cam grooves 85 and 86. At this time, the positional relationship between the operation plate 92 and the slide plate 93 is maintained by the urging force of the coil spring 105. And the support pins 94, 95, 96, 9
7 moves to the front of the third support slit 98 and the second support slit 84. At this time, the disc cartridge 1 is
Transported to the side.

As shown in FIG. 13, the operation plate 92 is moved forward by the cam plates 78 and 79, and the front support pins 94 and 96 reach the front ends of the third support slits 98, as shown in FIG. Stop. The cam plates 78 and 79 are shown in FIGS.
As shown in FIG. 3, the rear end of the engaging hole 88 of the cam plate 78 presses the support projection 107 forward of the apparatus main body 61, and moves the slide plate 93 forward. That is, with the operation plate 92 stopped with respect to the chassis 77, the cam plate 7
8, 79 and the slide plate 93 move forward. Due to such a forward movement of the slide plate 93, the disc cartridge 1 moves the pressed piece 106 of the slide plate 93.
To the positioning wall 1 of the cartridge holder 91.
Moved forward from 04.

Then, as shown in FIG. 12, when the slide plate 93 is moved forward, the locking portion 122 is positioned at the front end of the stopper wall 123, and the loading arm 112 is moved outward of the cartridge holder 91. The locking portion 122 is locked to the front end of the stopper wall 123. In this state, the disc cartridge 1
The rear end face of the disk cartridge 1 to which the shutter member 9 is not attached is exposed to the outside, and is thereafter taken out of the apparatus main body 61 by a finger or the like.

Next, the recording / reproducing section 62 for recording or reproducing the optical disk 5 will be described. As shown in FIGS. 20 and 21, the recording / reproducing unit 62
A base 141 constituting the recording / reproducing unit 62 is fixed to a bottom surface portion 77a of the chassis 77 by screws or the like. Is mounted.

As shown in FIG. 20, the disk rotation operation section 142 includes a disk table 144 on which the optical disk 5 is mounted, and a spindle motor (not shown) for driving the disk table 144 to rotate. The spindle motor is mounted on the lower surface of the base 141 with its drive shaft protruding toward the upper surface on which the optical disk 5 is mounted, and the disk table 144 on which the optical disk 5 is mounted is mounted on the tip of the drive shaft. This disk table 1
Reference numeral 44 is formed in a substantially disk shape, and provided with a centering portion 145 having a truncated conical shape in the center of the upper surface. The disk table 47 is provided with a magnet for magnetically attracting the clamper 100 rotatably attached to the main surface of the cartridge holder 91. Then, the optical disk 5 enters the disk table 144 through the recording and / or reproducing openings 7 and 8 of the disk cartridge 1,
It is mounted on the disk table 144 and is rotated integrally with the disk table 144 by a spindle motor.

The optical pickup device 143 includes the base 14
The base 141 faces the upper surface of the base 141 through the opening 146 provided in the base 1. The optical pickup device 143 is supported by a guide shaft 147 supported by the base 141, and is guided by the guide shaft 147 in a radial direction of the optical disk 5 mounted on the disk table 144 by a pickup feeding mechanism which is not described in detail. It is moved. The optical pickup device 143 irradiates a signal recording surface of the optical disk 5 on the disk table via an objective lens 148 with a light beam emitted from a light source such as a semiconductor laser housed in the optical block, and is reflected from the optical disk 5. The information signal recorded on the optical disk 5 is reproduced by detecting the returned light with a photodetector housed in the optical block. The optical pickup device 143 is
The information signal is recorded by irradiating the signal recording layer of the optical disc 5 with a light beam to locally change the crystal structure of the signal recording layer. In the optical pickup device 143, the working distance, which is the distance between the signal recording surface of the optical disc and the objective lens, is set to 560 μm or less, the numerical aperture NA of the objective lens 148 is 0.7 or more, and the light is emitted from the semiconductor laser. The wavelength of the light beam is 680 nm or less.

The optical pickup device 143 is
Since the optical disk 5 is a high-capacity type and the working distance is set to 560 μm or less, the optical disk 5 enters the disk storage unit 6 from the recording and / or reproducing openings 7 and 8 of the disk cartridge 1 by the elevating mechanism. You. This lifting mechanism uses a motor as a drive source and
1 is moved up and down along a guide axis provided perpendicularly to 1.

In such a recording / reproducing section 62, as shown in FIG. 21 and FIG.
Is initially mounted, the shutter member 9 is in a state in which the recording and / or reproducing openings 7 and 8 are closed. At this time, the optical pickup device 143 is
41 is located below.

Here, for example, when the reproduction button 64a is pressed, the shutter member 9 of the disc cartridge 1
As shown in FIG. 22 (B), the shutter is moved to a position where the recording and / or reproducing openings 7 and 8 are opened by a shutter opening mechanism described later in detail. Also in this state, the optical pickup device 143 is located below the base 141 and is located outside the disc cartridge 1.

Then, the optical disk 5 is rotatably held by the disk table 144 engaged with the center hole 5 a of the optical disk 5 and clamped by the clamper 100 on the cartridge holder 91 side. Then, as shown in FIG. 22C, the optical pickup device 143 enters the disk cartridge 1 through the openings 7 and 8 by the elevating mechanism, and is raised until the working distance becomes about 560 μm. In this state, the optical disk 5
The information signal is recorded and reproduced by rotating the optical pickup device 143 in the radial direction of the optical disk 5 and irradiating the optical beam with the light beam while the disk rotation operation unit 142 rotates the disk.

The optical pickup device 143 is operated to move the shutter member 9 to move the opening portion 7 only when recording or reproducing data on the optical disk 5 or when performing a track jump or the like, that is, only when the optical pickup device is used at a minimum. , 8 are released as shown in FIG. At the time of standby such as stop where the optical disk 5 is not rotated, as shown in FIG.
Are closed in the openings 7 and 8. Therefore,
It is possible to prevent foreign matter such as dust from entering the disk cartridge 1 and to adhere to the signal recording surface of the optical disk 5, and to reliably record or reproduce an information signal.

The case where the optical pickup device 143 is raised into the disk cartridge 1 by the lifting mechanism in order to secure a working distance between the signal recording surface of the optical disk and the objective lens has been described. With the pickup device 143 fixed,
The base 141 may be raised by a lifting mechanism.

Next, the shutter member 9 of the disk cartridge 1 is moved between a reference position where the recording and / or reproducing openings 7 and 8 are closed and a position where the openings 7 and 8 are opened. The shutter opening mechanism 151 will be described with reference to FIGS.

As shown in FIG. 23, this shutter release mechanism 151 is a first pressed portion which constitutes a shutter lock mechanism 21 provided on a side surface 4b parallel to the direction in which the disk cartridge 1 is inserted into and removed from the disk cartridge 1. 27, and a first pressing portion 152 for pressing the disc cartridge 1
Pressing portion 1 that presses second pressed portion 44 that constitutes shutter lock mechanism 21 provided on the front side surface of
53, and a shutter operation unit 154 for moving the shutter member 9 between a reference position where the openings 7 and 8 are closed and a position where the openings 7 and 8 are opened.

The first pressing portion 152 is provided on the rear side of one of the cartridge holding portions 101 of the cartridge holder 91.
The cartridge holder 91 is provided in a projecting shape toward the inside. When the disk cartridge 1 is inserted through the cartridge insertion / removal opening 65 of the apparatus main body 61 and is held by the cartridge holder, the first pressing portion 152 enters the guide portion 20 on the side surface 4b of the disk cartridge 1 and the first pressing portion 152 The pressed portion 27 is pressed.

The second pressing portion 153 is formed in the shape of a protrusion stood on the rear side of the base 141 constituting the recording / reproducing portion 62 in the main body 61 of the apparatus. When the disc cartridge 1 is mounted on the base 141 by the above-described loading mechanism 76, the second pressed portion 44 on the side surface 4a of the disc cartridge 1 is pressed.

The shutter operating section 154 is driven by a motor (not shown) as a drive source, is rotatably driven, and is constituted by a rotating roller whose periphery is made of an elastic material or the like. It is provided substantially at the center of the rear side edge of the base 141 so as to be abutted. This shutter operation unit 154 is driven by a motor as a driving source, and is operated to move in a direction indicated by an arrow A1 in FIG. 23 when the roller is rotated in _one direction. arrow a ₂ direction is movement operation, the optical pickup apparatus 143 to the entry ready the disc cartridge 1 through the opening 7 and 8.

When the disc cartridge 1 is first inserted through the cartridge insertion / ejection opening 65 and held by the cartridge holder 91,
First, as shown in FIG. 5 described above, the first pressing portion 152 provided on the cartridge holding portion 101 of the cartridge holder 91 is connected to the first pressing portion 152 of the side wall 4 b of the disc cartridge 1.
Is pressed. Thus, the first rotating member 22 to the pressed portion 27 is provided, it is rotated in the arrow in FIG. 5 C ₁ direction in FIG regulating member 24 via the connecting arm 25 in the arrow D ₂ direction Rotate. Then, the regulating member 2
The engagement between the receiving portion 43 of FIG. 4 and the projection 42 of the lock member 23 is released. Thereby, the lock member 23 is in a free state in which the lock member 23 is not pressed by the connection member 23.

When the disk cartridge 1 held by the cartridge holder 91 is mounted on the base 141 of the recording / reproducing section 62, as shown in FIG. Pressing part 4
4 is pressed by the second pressing portion 153. Then, the shutter locking mechanism 21 of the disc cartridge 1, as shown in FIG. 6, the locking member 23 where the second pressed portion 44 is provided is rotated in the arrow E ₂ direction in FIG. 6, the locking member 23 The locked state between the lock portion 39 and the protruding portion 39 of the shutter member 9 is released, and the shutter member 9 can be moved.

[0089] Then, a shutter opening mechanism 151, only when using the recording or reproducing such optical pickup device 143 of the information signal, moves the shutter member 9 in A ₁ direction in FIG. 6 and FIG. 24 by the shutter operation unit 154 By operating, the optical pickup device 143 can enter the disk cartridge 1.

Next, a pressing operation mechanism 160 for pressing the pressing member 10 provided in the disk cartridge 1 and bringing the cleaning sheet 11 into contact with the optical disk 5 will be described with reference to FIGS.

The pressing operation mechanism 160 includes the drive motor 1
The drive shaft 61 of the drive motor 161 is used as a drive source.
A push operation member 164 that is moved up and down by an eccentric member 163 attached to the distal end of the second operation member. Drive motor 161
Is disposed on the back side of the base 141 constituting the recording / reproducing unit 62, and the drive shaft 162 faces the opening 146 that faces the optical pickup device 143 to the recording / reproducing unit 62. The eccentric member 163 attached to the drive shaft 162 of the drive motor 161 is formed in a circular shape, and the drive shaft 162 is attached to a point where the center of rotation is off the center of the circle.

The pressing operation member 164 is connected to the base portion 16.
5 of the bottom surface is brought into contact with the eccentric member 163, perpendicularly to the base 141 by was guide shaft provided perpendicular to the base 141, that is, moved in FIG. 25 in the arrow K ₁ or K ₂ directions. On the upper surface of the base portion 165 on the side of the base 141, a pin-shaped pressing operation portion 166 for pressing the pressing member 10 for pressing the cleaning sheet 11 in the disk cartridge 1 is provided. Further, the base portion 165 is provided with a concave portion 168a that forms an elastic body storage portion 168 that stores the elastic body 167 formed of a coil spring. Further, a fixing member 169 fixed to the base 141 is provided in the concave portion 168a. This fixing member 169 is
A concave portion 168b that forms the elastic body storage portion 168 is provided together with the concave portion 168a of the pressing operation member 164. Thus pressing member 164, the elastic member housing part in Figure 25 away constantly from the disc cartridge 1 by 168 elastic body 167 housed in biased in the arrow K ₂ directions eccentric member 1
63 is pressed.

Such a pressing operation mechanism 160 is similar to that shown in FIG.
As shown in the figure, when the optical disk 5 is not cleaned, such as when recording or reproducing the optical disk 5, the eccentric member 163
Short radius R ₁ of it is in a state facing upward is base 141 side of. Therefore, pressing member 164 is in a state of being lowered into K ₂ direction in FIG. 26, pushing operation section 1
66 does not protrude toward the recording / reproducing unit 62 side of the base 141.

When a recording / reproducing error or the like occurs when the loading of the disk cartridge 1 is completed, the shutter member 9 causes the shutter opening mechanism 151 to perform recording and / or recording.
Or the openings 7,8 for reproduction is opened, as shown in FIG. 27, the pressing operation mechanism 160 drives the driving motor 161, the longer radius R ₂ is based, one of the eccentric member 163
It is in a state facing upward, which is the 41 side. Then, pressing member 164 against the urging force of the elastic member 167 is raised in FIG. 27 of the base 141 side of the arrow K ₁ direction, the pressing operation portion 166 enters the opening 7, 8 of the disc cartridge 1 Then, the pressing member 10 in the disk cartridge 1 is pressed. Then, the cleaning sheet 11 is pressed by the pressing member 10 and comes into contact with the signal recording surface of the optical disc 5. Then, as the optical disk 5 is rotated by the disk rotation operation unit 142, the foreign matter adhering to the signal recording surface is wiped off and cleaned.

The optical disk device 6 configured as described above
In the state 0, the disc cartridge 1 is inserted from the cartridge insertion / removal port 65 in a state where foreign substances attached to the outer surface of the disc cartridge 1 are wiped by the cleaning member 67 of the cartridge insertion / removal port 65 of the apparatus main body 61 shown in FIG. And the main body 61 by the loading mechanism 76.
It is conveyed to the recording / reproducing unit 62 inside. At this time, FIG.
As shown in FIG. 7, when the front side surface 4a of the disk cartridge 1 abuts against the cartridge positioning wall 104 of the cartridge holder 91 and is held by the cartridge holder 91, a shutter provided on the cartridge holding portion 101 of the cartridge holder 91 is provided. The disc cartridge 1 is moved by the first pressing portion 152 constituting the opening mechanism 151.
The first pressed portion 27 is pressed. Then, in this state, the disk cartridge 1 is loaded until it is mounted on the recording / reproducing unit 62.

The recording / reproducing section 62 includes the disc cartridge 1
Is mounted, the second pressed portion of the disk cartridge 1 is pressed by the second pressing portion constituting the shutter opening mechanism 151 provided on the base 141. Therefore, the shutter member 9 of the disc cartridge 1
Although the locked state of the shutter member 9 is released by the shutter opening mechanism 21, the recording and / or
Alternatively, the reproduction openings 7 and 8 are closed.

The optical disk device 60 operates to rotate the optical disk 5 such as recording and playback of the optical disk 5.
The shutter member 9 is moved by the shutter operation unit 154 in a direction to open the openings 7 and 8. Then, the optical disk 5 is clamped by the disk rotation operation unit 142 to be in a state in which the optical disk 5 can be rotated. The optical pickup device 143 also enters through the openings 7 and 8. Then, the optical disk 5 is rotated and the signal recording surface is irradiated with a light beam by the optical pickup device 143 to record or reproduce the information signal.

Also, the optical disk device 1 includes an optical disk 5
When the recording / reproducing unit 62 is in a standby state, such as at the time of stop without performing the rotation operation, the optical pickup device 143 is evacuated outside the disk cartridge 1 and the shutter opening mechanism 151 is opened.
Thereby, the openings 7, 8 are closed. This prevents foreign matter such as dust from entering the disk cartridge 1.

Further, as shown in FIG. 27, when the disk cartridge 1 is loaded or a recording / reproducing error is detected, the pressing operation section 166 of the pressing operation mechanism 160 is turned on as shown in FIG. The cleaning sheet 11 enters the disk cartridge 1 through the openings 7 and 8 and contacts the signal recording surface of the optical disk 5 to clean the signal recording surface.

In such an optical disk device 60, when the disk cartridge 1 is inserted into the device main body 61 through the cartridge insertion / removal opening 65, the cleaning member 67 provided around the cartridge insertion / removal opening 65 provides the outer surface of the disk cartridge 1. This prevents foreign matter such as dust adhering to the recording and reproducing unit 62 from entering the foreign matter such as dust, and prevents the foreign matter from attaching to the objective lens 148 of the optical pickup device 43. Further, the optical disk device 60 sets the recording and / or reproducing openings 7 and 8 only when recording or reproducing or track jumping of the optical disk 5 is performed, that is, only when the optical pickup device is used at a minimum. When the shutter is opened and stopped, the shutter member 9 closes the openings 7 and 8 to prevent foreign matter such as dust from entering the disk cartridge 1. Further, the optical disk device 60 uses the cleaning sheets 11a and 11b to record signals on the optical disk 5 only when loading the disk mounted on the recording / reproducing unit immediately before starting recording or reproduction of the optical disk 5, or when detecting a recording / reproducing error, for example. Since the surface is cleaned, it is possible to prevent the signal recording surface of the optical disk 5 from being damaged and to clean the signal recording surface of the optical disk 5. As described above, the optical disc device 60 can reliably record or reproduce the information signal.

As described above, the case where the cleaning member 67 is provided around the cartridge insertion / removal opening 65 as shown in FIG. 9 has been described, but the present invention is not limited to this. For example, as shown in FIG. 28, a cleaning brush 171 may be provided around the cartridge insertion opening 65.

Further, as shown in FIG.
The air supplied from the nozzle 72 is supplied via a pipe 173 to an air ejection portion 174 provided around the cartridge insertion / removal opening 173.
May be provided. In this case, the ejection unit 174 prevents the dust attached to the outer surface of the disc cartridge 1 from entering the apparatus main body 61.
It is configured such that air is blown out of the apparatus main body 61.

Further, as shown in FIG. 30, a positive electrode 175 and a negative electrode 176 are provided around the cartridge insertion / removal opening 65 via an insulator 178, and a brush 177 attached to the positive electrode 175 and the negative electrode 176 is charged. Dust adhered to the outer surface of the disk cartridge 1 may be adsorbed.

Further, as shown in FIG. 31, air supplied from the air supply section 180 is supplied around the cartridge insertion / removal port 173 through an air ejection section 179 provided around the cartridge insertion / removal port 65 via a pipe 179. And a second cleaning mechanism for providing a positive electrode 181 and a negative electrode 182 via an insulator 184 and charging a brush 183 attached to the positive electrode 181 and the negative electrode 182 may be provided. The first cleaning mechanism is provided on the outer side of the peripheral wall of the disc insertion / ejection opening 65. The first cleaning mechanism includes an air supply unit 1
When air is supplied from 80, via pipe 179,
Dust is wiped out of the device main body 61 from the ejection portion 179. The ejection portion 179 is configured to eject air toward the outside of the apparatus main body 61 so that dust attached to the outer surface of the disk cartridge 1 does not enter the apparatus main body 61. Then, the second cleaning mechanism charges the brush 183 attached to the positive electrode 181 and the negative electrode 182, and adsorbs dust adhered to the outer surface of the disk cartridge 1 that has been wiped off by the first cleaning mechanism.

[0105]

According to the disk cartridge loading device of the present invention, since the cleaning means for cleaning the surface of the disk cartridge is provided around the cartridge insertion / removal opening, the disk cartridge is inserted from the cartridge insertion / removal opening provided in the apparatus main body. When the disc cartridge is inserted, foreign substances adhering to the outer surface of the disk cartridge are wiped off by the cleaning means. Therefore, it is possible to prevent foreign matters adhering to the outer surface of the disc cartridge from entering the recording / reproducing section, prevent foreign substances from adhering to the recording and / or reproducing means of the recording medium, and reliably record and record information signals. And / or regenerate.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a disk cartridge described in an embodiment.

FIG. 2 is an exploded perspective view of the disk cartridge.

FIG. 3 is a plan view for explaining a mounting position of a cleaning sheet and a pressing member used in the disk cartridge.

FIG. 4 is a plan view showing a state of a shutter lock mechanism when the disk cartridge is not used.

FIG. 5 is a plan view showing the shutter lock mechanism in a state where a first pressed portion of the disk cartridge is pressed.

FIG. 6 is a plan view showing the shutter lock mechanism in a state where a first pressed portion and a second pressed portion of the disk cartridge are pressed.

FIG. 7 is a main part side view showing a state in which a cleaning brush is used at the tip of an urging member instead of a cleaning sheet.

FIG. 8 is a main part side view showing a state in which a cleaning roller is used at the tip of an urging member instead of a cleaning sheet.

FIG. 9 is a perspective view showing the overall configuration of the optical disk device.

FIG. 10 is a perspective view of an essential part for describing a cartridge insertion / ejection opening for inserting / ejecting a disk cartridge.

FIG. 11 is an exploded perspective view of a disc cartridge loading mechanism.

FIG. 12 is a plan view for explaining a loading mechanism of the disk cartridge.

FIG. 13 is a side view for explaining the loading mechanism.

FIG. 14 is a plan view showing a state where loading is started in the loading mechanism.

FIG. 15 is a side view showing a state where loading is started in the loading mechanism.

FIG. 16 is a plan view showing a state where the disc cartridge has been transported to the rear of the apparatus main body in the loading mechanism.

FIG. 17 is a side view showing a state in which the disk cartridge is transported to the rear of the apparatus main body in the loading mechanism.

FIG. 18 is a plan view showing a state where loading is completed in the loading mechanism.

FIG. 19 is a side view showing a state where loading is completed in the loading mechanism.

FIG. 20 is a plan view illustrating a configuration of a recording / reproducing unit.

FIG. 21 is a plan view showing a state where a disk cartridge is mounted on the recording / reproducing unit.

FIG. 22 is a front view showing the relationship between the optical pickup device and the disk cartridge.

FIG. 23 is a plan view for explaining a shutter opening mechanism of a shutter member provided in the optical disc device.

FIG. 24 is a plan view showing a state where a shutter member has opened a recording and / or reproducing opening by a shutter opening mechanism.

FIG. 25 is a perspective view showing a pressing operation mechanism for pressing a cleaning sheet for cleaning a signal recording surface of the optical disc.

FIG. 26 is a diagram illustrating a state where the pressing operation unit of the pressing operation mechanism is retracted outside the disk cartridge.

FIG. 27 is a diagram illustrating a state in which the pressing operation unit of the pressing operation mechanism has entered the disk cartridge and the cleaning sheet has contacted the signal recording surface of the optical disk;

FIG. 28 is a diagram illustrating another example of the cleaning mechanism provided around the cartridge insertion / removal opening.

FIG. 29 is a diagram illustrating another example of the cleaning mechanism provided around the cartridge insertion / removal opening.

FIG. 30 is a diagram illustrating another example of the cleaning mechanism provided around the cartridge insertion / removal opening.

FIG. 31 is a diagram illustrating another example of the cleaning mechanism provided around the cartridge insertion / removal opening.

[Explanation of symbols]

1 disk cartridge, 2 upper half, 3 lower half, 4 cartridge body, 5 optical disk, 7, 8
Opening, 9 shutter member, 10 pressing member, 11 cleaning sheet, 12 notch, 21 shutter lock mechanism, 22 rotating member, 23 locking member, 24 regulating member, 25 connecting arm, 27 first pressed portion, 2
8 opening, 31 first elastic piece, 32 locking part, 33
Arm part, 36 second elastic piece, 37 locking part, 38
Lock arm, 39 protrusion, 41 lock, 42 protrusion, 43 receiving part, 44 second pressed part, 54, 55
Notch for loading, 60 Optical disk drive, 61
Main body, 62 recording / reproducing unit, 64 operating unit, 65 cartridge insertion / removal opening, 66 lid, 67 cleaning member, 76 loading mechanism, 77 chassis, 78,
79 cam plate, 85, 86 cam groove, 87 rack gear portion, 88 engagement hole, 91 cartridge holder, 92
Operation plate, 93 slide plate, 94-97 support pin, 1
00 clamper, 101, 102 cartridge holding portion, 104 cartridge positioning wall, 105 coil spring, 106 pressed piece, 107 support protrusion, 111
Cartridge detection arm, 112 loading arm, 114 contact part, 115 cartridge contact pin,
117 positioning piece, 119 abutment projection, 121 engaging part, 122 locking part, 123 stopper wall, 126 loading drive mechanism, 127 loading motor,
134 drive gear, 141 base, 142 disk rotation operation unit, 143 optical pickup device, 144 disk table, 146 opening, 148 objective lens, 151 shutter opening mechanism, 152 first pressing unit, 153 second pressing unit, 154 Shutter operation unit,
160 push operation mechanism, 161 drive motor, 162
Drive shaft, 163 eccentric member, 164 pressing member, 1
66 pressing operation part, 167 elastic body

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[Procedure amendment]

[Submission date] December 25, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction contents]

As shown in FIGS. 2 and 3, cleaning sheets 11a and 11b are provided in the disk storage section 6 near the openings 7 and 8 in the signal recording area 5 of the optical disk 5.
c, the upper half 2 and the lower half 3
Is provided in each of. The pressing member 10 is formed into a leaf spring shape by punching a metal plate, a plastic plate, or the like, and has a base end fixed to the inner surfaces of the upper half 2 and the lower half 3 near the openings 7 and 8 with an adhesive, screws, or the like. The other end side is exposed from the openings 7 and 8 so that it can be pressed by the pressing operation mechanism of the optical disk device. That is, the free end side of the pressing member 10 is formed so as to be at least substantially the same as the radial length of the signal recording area 5c so that the entire area of the signal recording area 5c of the optical disk 5 can be cleaned.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0023

[Correction method] Change

[Correction contents]

The cartridge body 4 has a shutter member 9 only when the shutter member 9 is loaded in the optical disk apparatus.
To open the medium A ₁ direction or A ₂ direction is movement operation opening 7, 8, Figure 1 of the shutter locking mechanism 21a and the shutter member 9 for limiting the movement in the FIG. 1 in A ₁ direction of the shutter member 9 shutter locking mechanism 21b for limiting the movement of the medium a ₂ direction is provided. These shutter lock mechanisms 2
The reference numerals 1 a and 21 b are provided at both corners on the front side of the cartridge body 4. These shutter lock mechanisms 21a, 21
1b, when the disk cartridge 1 is loaded into the optical disc apparatus, to unlock the shutter member 9, the shutter member 9 causes the movable operation in A ₁ direction or A ₂ direction in FIG. Note that the shutter lock mechanisms 21a, 21b
Are provided symmetrically and have the same configuration, and will be described below as a shutter lock mechanism 21.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0027

[Correction method] Change

[Correction contents]

When the shutter member 9 closes the recording and / or reproducing openings 7, 8 as shown in FIG.
First resilient piece 31 in FIG. 4 the regulating member 24 of the 4 arrow D ₁
Biased in the direction. Thus, the rotating member 22 is rotated in FIG. 4 in the arrow C ₂ direction, in a state where the first pressed portion 27 is exposed to outside is pressed against the side opening 28. In addition, the first elastic piece 31 is used as the regulating member 24.
By urging the 4 arrow D ₁ direction receiver 4
3 presses the protrusion 42, and the lock member 23
Prevents rotation in _two directions. Thereby, the second pressed portion 44 is in a state of facing outward from the opening 45, and the lock portion 41 is in a state of being locked by the projection 39 of the shutter member 9. Further, the receiving portion 43 is locked by the projection 42. Thus, the locking member 23 is in a state where it is rotated into 4 in the arrow E ₂ direction is prevented. That is, the shutter lock mechanism 21
Causes the shutter member 9 to prohibit the openings 7, 8 from being opened when not used in the optical disk device.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0028

[Correction method] Change

[Correction contents]

When the disk cartridge 1 is inserted through the cartridge slot of the optical disk device and held by the cartridge holder, the shutter lock mechanism 21
As shown in FIG. 5, first, the first pressed portion 27 is pressed by the first pressing portion constituting the shutter opening mechanism on the optical disk device side. Then, the rotating member 22 is rotated in the arrow C ₁ direction in FIG 5, rotates the restricting member 24 in FIG. 4 by the arrow D ₂ direction via the connecting arm 25. Then, the engagement between the receiving portion 43 of the regulating member 24 and the projection 42 of the lock member 23 is released. Thereby, the lock member 23
Is set free from being pressed by the regulating member 24.
However, the lock portion 41 of the lock member 23 is still locked by the protrusion 39 of the shutter member 9.

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0029

[Correction method] Change

[Correction contents]

Next, as shown in FIG. 6, the disk cartridge 1 is used to record and / or write data on an optical disk of an optical disk device.
Alternatively, when loaded in a recording / reproducing section for performing reproduction, the second pressed section 44 of the lock member 23 is pressed by the second pressing section of the shutter release mechanism. Then, the lock member 23
Is rotated in the arrow E ₂ direction in FIG. 6, the locking state of the lock portion 41 and the projection 39 of the shutter member 9 of the locking member 23 is released. Then, the shutter member 9 is moved during operation FIGS. 1 and 6 in the arrow A ₁ direction or A ₂ direction by the shutter operation portion constituting the shutter opening mechanism of the optical disk apparatus.

Claims (6)

[Claims] A cartridge insertion / removal opening for inserting / removing a disk cartridge into / from the apparatus main body; cleaning means for cleaning a surface of the disk cartridge around the cartridge insertion / removal opening; And a loading means for loading the disc cartridge. 2. The disk cartridge loading device according to claim 1, wherein said cleaning means is made of a nonwoven fabric. 3. The disc cartridge loading device according to claim 1, wherein said cleaning means is formed in a brush shape. 4. The cleaning means includes an air nozzle provided around the cartridge insertion / ejection opening and provided with an ejection part toward the outside of the apparatus main body, and an air supply part for supplying air to the air nozzle. 2. The disc cartridge loading device according to claim 1, wherein: 5. The disk cartridge according to claim 1, wherein said cleaning means comprises a cleaning unit that contacts the surface of said disk cartridge, and an electrode unit comprising a positive electrode and a negative electrode for charging said cleaning unit. Loading device. 6. A first cleaning means comprising: an air nozzle provided around the cartridge insertion / ejection opening and provided with an ejection part toward the outside of the apparatus main body; and an air supply part for supplying air to the air nozzle. And a second cleaning mechanism comprising a positive electrode and a negative electrode for charging the cleaning unit. The first cleaning mechanism comprises: 2. The disc cartridge loading device according to claim 1, wherein the disc cartridge loading device is provided outside the device main body with respect to the second cleaning mechanism.