JP2000195219A - Device for attaching shutter member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten time for attaching a shutter part without damaging it by moving the opening part in a direction proximately receding against the inserting end of the shutter member, pressurizing the opening part to the inserting end of the shutter member of a cartridge body for installation, rotating first and the second shutter parts in a direction receding from each other at of closing, and thereby widening the interval inbetween. SOLUTION: A shutter installation mechanism 81, which attaches to a cartridge body 4 a shutter member 18 transported by a second transporting mechanism 71, is equipped with a shutter arranging part 82 and an installing member 83, that installs in the cartridge body 4 the shutter member 18 disposed in the shutter arranging part 82. The shutter arranging part 82 is provided with the installing member 83, that installs the shutter member 18 on the front face of the cartridge body 4, by moving the shutter member 18 to the front side of the cartridge body 4 and pressurizing it. The shutter member 18 is surely moved, with its connecting part 21 side fitted to the recess of the installing member 83.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a cartridge body for storing a recording medium such as a magnetic disk or an optical disk.
The present invention relates to a shutter member mounting device for closing a recording / reproducing opening provided to expose a part of a recording medium outward.

[0002]

2. Description of the Related Art Conventionally, a disk cartridge in which a disk is rotatably stored in a cartridge body has a pair of upper and lower surfaces which oppose a part of the disk stored in the cartridge body to face outward. A recording / reproducing opening is formed, and a shutter member for opening and closing the recording / reproducing opening is movably assembled. The shutter member includes a pair of first shutters for closing the recording / reproducing opening.
And a second shutter portion, which is formed in a substantially U-shape as a whole, and is attached to the cartridge body so as to sandwich the cartridge body.

[0003] The first and second shutters are provided with openings corresponding to the recording / reproducing openings for allowing the disk to face outward through the recording / reproducing openings provided in the cartridge body. A closing portion for closing the recording / reproducing opening is formed side by side, and the whole is formed in a substantially rectangular shape whose longitudinal direction is the moving direction of the shutter member. Such a shutter member prevents dust or the like from entering the cartridge body by closing the recording / reproducing opening with the closing portion when the disc cartridge is not used, and prevents the disc recording / reproducing apparatus from being used when the disc cartridge is used. The recording / reproducing opening of the cartridge body is opened through the opening by being moved by the shutter release mechanism.

The shutter member is provided with a first and a second shutter for preventing the pair of first and second shutter portions from floating above the main surface of the cartridge body where the recording / reproducing opening is formed. The tips of the portions are formed so as to face slightly inward from each other to prevent dust and the like from entering the cartridge body when attached to the cartridge body.

In such a shutter member mounting device for assembling the shutter member to the cartridge main body, the front end of the first and second shutter portions is formed slightly inward, so that the shutter member is attached to the cartridge main body. When assembling, widen the tips of the first and second shutter parts,
It is necessary to mount the shutter member so that the tip does not collide with the cartridge body. Therefore, the shutter member mounting device widens the gap between the first and second shutter portions to mount the shutter member to the cartridge main body, and forms a pair of gaps for forming the gap for mounting the shutter member to the cartridge main body. Has an arm. The gap forming arm is movable in a direction parallel to the moving direction of the shutter member assembled to the cartridge main body, and enters from both ends of the first and second shutter portions perpendicular to the moving direction of the shutter member. Then, the interval between the first and second shutter units is increased.

[0006] Such a mounting device for a shutter member includes:
When the shutter member is transported from the stocker stocking the shutter member to the mounting position for mounting on the cartridge body, the gap forming arm slightly enters the shutter member from both sides of the shutter member, widening the interval between the shutter portions, Thereafter, the shutter member is assembled to the cartridge body. At this time, the gap forming arm retracts from the shutter member immediately before the assembly of the shutter member to the cartridge body is completed.

[0007]

Some disk cartridges use a magnetic disk having a higher recording capacity as a recording medium. A shutter member used in this disk cartridge has a pair of first and slightly larger recording / reproducing openings of the cartridge body.
And a second shutter portion, and is formed in a substantially U-shape.
That is, the first and second shutter portions are not provided with an opening that exposes the recording / reproducing opening outward, unlike the above-described shutter member, and the entirety is directed in a direction orthogonal to the moving direction of the shutter member. It is formed in a substantially rectangular shape in the longitudinal direction, so that miniaturization is achieved.

When the shutter member is assembled to the cartridge body, the first and second shutter portions are miniaturized when the above-described shutter member mounting device is used. The amount of movement increases, requiring more time than the time required for assembling the shutter member to the conventional cartridge body, and it is difficult to improve the production efficiency. Further, if the movement of the gap forming arm is accelerated in order to improve the production efficiency, the shutter member may be damaged by an impact on the shutter member when the gap forming arm enters the shutter member. There is. When such a shutter member is assembled to the cartridge main body, when the shutter member moves, the cartridge main body is damaged by a scratch of the shutter member, shavings enter through the recording / reproducing opening, and the information is transferred to the disk. When a signal is recorded and reproduced, a recording and reproduction error occurs.

In view of the above, the present invention provides a shutter member which can be mounted on a cartridge body without damaging the shutter member, and which can shorten the mounting time of the shutter member and improve the production efficiency of the disk cartridge. It is intended to provide a device.

[0010]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a shutter member mounting apparatus according to the present invention has a recording medium accommodated therein and has a recording / reproducing apparatus in which a part of the recording medium faces outward. The shutter opening moves toward and away from the insertion end of the shutter member that opens and closes the recording / reproducing opening of the cartridge main body formed at opposing upper and lower surfaces, and moves the shutter member to the shutter member of the cartridge main body. A mounting member for mounting the shutter member to the cartridge body by pressing against the insertion end of the cartridge, a first shutter portion and a second shutter for closing the recording / reproducing opening of the shutter member when the shutter member is mounted on the cartridge body. Between the first shutter portion and the second shutter portion in a direction substantially perpendicular to the moving direction of the mounting member. And a gap forming member for increasing a distance between the first shutter portion and the second shutter portion, and a mounting member is moved in a direction approaching and separating from the insertion end of the shutter member of the cartridge body, and the gap forming member is attached to the mounting member. And a drive mechanism for rotating the first shutter unit and the second shutter unit in a direction in which the first shutter unit and the second shutter unit are separated from each other in a direction substantially perpendicular to the moving direction of the first shutter unit.

In such a shutter member mounting device, the first shutter portion and the second shutter portion are rotated by rotating the gap forming member in a direction separating the first shutter portion and the second shutter portion of the shutter member. The distance between the shutter portions 2 is increased, and the shutter member is attached to the cartridge body. In addition, a single drive mechanism moves the mounting member in a direction approaching and separating from the cartridge main body, and moves the gap forming member in a direction substantially orthogonal to the moving direction of the mounting member, so that the first shutter portion and the second shutter portion are moved. Are separated from each other.

[0012] Further, the shutter member mounting device includes:
A moving operation member for moving the mounting member in a direction approaching and separating from the cartridge body; A substantially concave cam portion is formed on both side edges of the moving operation member parallel to the moving direction of the mounting member. The gap forming member is connected to a drive transmission member provided with an engagement protrusion which is urged by the cam portion of the moving operation member to engage with the one end side. The gap forming member moves in a direction substantially perpendicular to the moving direction of the mounting member according to the cam portion by the movement operation member being moved by the drive mechanism.

Further, the gap forming member is rotatably supported on the other end side of the drive transmitting member in a direction for separating the first shutter portion and the second shutter portion, and the first shutter portion and the second shutter portion. On the base end side facing the insertion end to the gap between the shutter and the shutter, there is provided an engagement protrusion engaged with a cam plate for rotating the gap forming member, and the mounting member By moving in a direction substantially perpendicular to the direction of movement, it is rotated according to the cam plate.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A shutter member mounting apparatus to which the present invention is applied will be described below with reference to the drawings. Here, first, before describing the shutter member mounting device 30 used for the disk cartridge, a disk cartridge using the shutter member will be described with reference to FIG.

As shown in FIG. 2, the disc cartridge 1 includes a cartridge body 4 in which a pair of upper and lower halves 2 and 3 formed into a substantially rectangular shape by injection molding a synthetic resin are butt-connected. A magnetic disk 5 on which an information signal is recorded is housed. The magnetic disk 5 has a disk body 6 having a diameter of 3.5 inches and a magnetic layer applied to both surfaces of a thin film having flexibility, and a center hole 7 is formed in the center. A center core 8 is attached so as to fit in the hole 7. The center core 8 is formed of a magnetic material such as a metal. When the magnetic disk 5 is mounted on a disk rotation operation mechanism provided on the disk recording / reproducing apparatus side, the magnetic core is magnetically attracted by a magnet provided on the disk rotation operation mechanism. You. The center core 8 is provided with a spindle shaft engaging hole 9 into which a spindle shaft of the disk rotation operating mechanism is engaged, and a drive pin engagement hole 10 into which a drive pin of the disk rotation operating mechanism is engaged.

The cartridge body 4 for accommodating the magnetic disk 5 constructed as described above is formed by butt-connecting a pair of upper and lower halves 2 and 3 formed into a substantially rectangular shape by injection molding synthetic resin. . On the inner surfaces of the upper and lower halves 2 and 3, a partition wall 14 constituting a disk storage portion 13 for storing the magnetic disk 5 is formed so as to inscribe the rising peripheral walls 11 and 12 provided on the outer periphery of the upper and lower halves 2 and 3. Have been.

As shown in FIG. 2, the center core 8 attached to the magnetic disk 5 housed in the cartridge body 4 faces outward at the center of the lower half 3 constituting the lower surface side of the cartridge body 4. A circular central opening 15 is formed. The upper half 2 and the lower half 3 of the cartridge body 4 are opposed to each other, as shown in FIG.
The first and second recording and reproducing openings 16 and 17 which expose at least a part of the signal recording area of FIG.
Are formed. The first and second recording / reproducing openings 16 and 17 are located at the center in the left-right direction of the cartridge body 4 and extend from a position near the center opening 15 to a position near the front wall of the cartridge body 4. It is formed in a substantially rectangular shape.

As shown in FIG. 2, a shutter member 18 for opening and closing the first and second recording and reproducing openings 16 and 17 is movably attached to the cartridge body 4. The shutter member 18 is formed by punching and bending a thin metal plate, and has a substantially U shape. The shutter member 18 opens and closes a first shutter 19 that opens and closes a first recording and reproducing opening 16 provided in the upper half 2, and opens and closes a second recording and reproducing opening 17 that is provided on the lower surface side. A second shutter section 20 and first and second shutter sections 1
And a connecting portion 21 for connecting the base end sides of the components 9 and 20 so as to be substantially parallel to each other.

When the shutter member 18 is attached to the cartridge body 4, the connecting portion 21c
The first and second shutters are formed to protrude on both sides of the first and second shutter portions 19 and 20 so as to extend in the direction of the front wall of the shutter, and guide the movement of the shutter member 18 to the protruding portions. Guide portions 21a and 21b are provided. That is, the shutter guide section 21 is positioned such that the first shutter section 19 and the second shutter section 20 are located at the center.
a, 21b are formed. Shutter guide portions 21a, 2
1b is the first and second shutter portions 19 of the connecting portion 21,
By forming a protruding piece projecting in the extension direction of the first and second shutter portions 19 and 20 on opposing side edges to which the cartridge 20 is connected, the cartridge is fitted to the front wall side of the cartridge body 4. First and second shutter guide portions 21a, 21b
Is formed in a guide groove 26 formed on one side of the second recording / reproducing opening 17 along the front side of the lower half 3 on the protruding piece portion on the side of the second shutter section 20. A pair of engaging pieces to be engaged are formed by folding back.

The above-described shutter member 18 is formed so that the leading ends of the first shutter portion 19 and the second shutter portion 20 face slightly inward, and when the shutter member 18 is attached to the cartridge body 4. , The first and second shutter portions 19 and 20 are prevented from floating. The shutter member 18 extends from the front side of the cartridge body 4 so that the first and second shutter portions 19 and 20 extend to the first and second recording and reproducing openings 16 and 17 respectively. And the first and second recording / reproducing openings 16,
17 is attached to a shutter moving recess 22 formed from the periphery of the cartridge body 4 to one side surface of the cartridge body 4.

The shutter member 18 is provided with the shutter moving recess 2.
2, the cartridge body 4 is attached so as to be substantially flush without protruding from the peripheral surface of the cartridge body 4. Then, the engagement member is guided by the guide groove 26, and the first and second shutter portions 19 and 2
0 is the position at which the first and second recording / reproducing openings 16 and 17 are closed, respectively, and the first and second recording / reproducing openings 1
The moving operation is performed in the directions of arrows A and B in FIG.

The shutter member 18 attached to the cartridge body 4 closes the first and second recording and reproducing openings 16 and 17 by a torsion coil spring 23 disposed in the cartridge body 4 as shown by an arrow in FIG. It is urged in the B direction. The torsion coil spring 23 is inserted into the cartridge body 4 from the guide groove 29 with the coil portion 23a as an insertion end, and one end is automatically formed on the cartridge body 4 by the urging force of the torsion coil spring 23, and the other end is a shutter. By being formed on the member 18, the shutter member 18 is urged in a direction indicated by an arrow B in FIG. 2 to close the first and second recording and reproducing openings 16 and 17.

The inner surfaces of the upper and lower halves 2 and 3 surrounded by the partition wall 13 forming the disk storage portion 13 are formed as flat surfaces, and the protection sheet 2 for protecting the magnetic disk 5 is provided.
4, 25 are provided. The protection sheets 24 and 25 protect the magnetic disk 5 by wiping dust adhering to the magnetic disk 5 and preventing the magnetic disks 5 from directly contacting the upper and lower halves 2 and 3 when the magnetic disk 5 is stopped. . The protection sheets 24 and 25 are formed of a nonwoven fabric or an active sheet.

It is to be noted that welding projections are provided at the inner side corners of the upper and lower halves 2 and 3 constituting the cartridge body 4 so as to be engaged with each other, and the upper and lower halves 2 and 3 have welding projections. The cartridge body 4 is formed by abutting the rising peripheral walls 11 and 12 while abutting them, and welding the abutted welding projections using ultrasonic waves or the like.

When such a disk cartridge 1 is mounted on a disk recording / reproducing apparatus, the shutter member 18 is moved in the direction of arrow A in FIG. The recording and reproducing openings 16 and 17 are opened. The disk cartridge 1 is mounted on a disk table constituting a disk rotation operation mechanism of a disk recording / reproducing apparatus with a center core 8 facing a center opening 15 provided on the lower surface side of the cartridge body 4 and a spindle. Shaft engagement hole 1
1 engages with the spindle shaft of the disk rotation operation mechanism.
At this time, the center core 8 is placed on the disk table and is attracted by the magnet on the disk table side, so that the magnetic disk 5 can rotate integrally with the disk table.

When the magnetic disk 5 is rotatable integrally with the disk table, the spindle motor constituting the disk rotation operation mechanism is driven. When the disk table 74 rotates, the drive pins of the disk rotation operation mechanism are driven. The magnetic disk 5 is engaged with the pin engagement hole 10,
Positioning with respect to the spindle shaft is achieved, and rotation is driven around the spindle shaft in synchronization with rotation of the disk table. Then, the magnetic head is moved to the recording / reproducing opening 16,
17, the magnetic disk 5
Is recorded and reproduced.

As shown in FIG. 1, the shutter device 18 for attaching the shutter member 18 to the cartridge body 4 constituting the disk cartridge 1 has a cartridge body in which the magnetic disk 5 is rotatably housed. 4, a cartridge transport mechanism 31 for transporting
Stocker 41 in which many shutter members 18 are stocked
A shutter transport mechanism 61 that transports the shutter member 18 supplied through the first transport mechanism 51 and a shutter mounting mechanism 81 that attaches the shutter member 18 supplied by the second transport mechanism 71 to the cartridge body 4. Prepare. In such a mounting device 30 for the shutter member 18, when the cartridge main body 4 to which the shutter member 18 is not mounted is transported by the cartridge transport mechanism 31 to the mounting position of the shutter member 18, the stocker 4
The shutter member 18 transported by the first transport mechanism 51, the shutter transport mechanism 61, and the second transport mechanism 71 is attached by the shutter attaching mechanism 81.

As shown in FIGS. 1 and 3, the cartridge transport mechanism 31 for transporting the cartridge body 4 includes a transport member 32 for transporting the cartridge body 4 and a positioning member 33 for positioning the cartridge body 4 to be transported. Is provided. Here, the cartridge main body conveyed to the cartridge main body 4 has the upper and lower halves 2 and 3 combined in a process before the assembly process of the shutter member 18 and the magnetic disk 5 is rotatably housed therein. And the shutter member 18 is not attached.

As shown in FIG. 3, the transport member 32 for transporting the cartridge body 4 is a support member 34 for supporting the cartridge body 4 on a long member having a width large enough to support the cartridge body 4. And a positioning section 35 for positioning the cartridge body 4 to be conveyed. The support portion 34 is formed such that the short side direction has a width at least capable of supporting the cartridge body 4 and the longitudinal direction, that is, the space between the positioning portions 35 is substantially the same as the length between both side surfaces of the cartridge body 4. . The support section 34 supports the main body 4 of the upper half 2 on the lower side, and the front surface of the cartridge body 4, which is the mounting end of the shutter member 18, on the shutter mounting mechanism 81 side. The transport member 32 is provided with positioning portions 35 continuously on both sides of the support portion 34. The positioning portions 35 are provided on both sides of the support portion 34 via the support portion 34, and are provided so as to protrude from the support portion 34 so as to be at least higher than the thickness of the cartridge body. The transport member 32 provided with a plurality of the support portions 34 and the positioning portions 35 in this manner moves annularly in the directions of arrows C ₁ , C ₂ , C ₃ , and C _{4 in} FIG.

As shown in FIG. 3, a positioning member 33 for positioning the cartridge body 4 to be conveyed includes a pair of rails 36 disposed at a distance substantially equal to the distance between the front and back surfaces of the cartridge body 4. And these rails 36
And a holding portion 37 that holds the cartridge body 4
And The rail 36 is provided so as to sandwich the transport member 32. Two holding parts 37 are provided on each rail 36 so as to correspond to each corner part of the cartridge body 4 so as to hold each corner part of the cartridge body 4. Each holding part 37 is formed in a substantially L-shape, and four
As a set, each corner of the cartridge body 4 is held.

Such a cartridge transport mechanism 31 includes:
First, the transport member 32 is lowered in FIG. 3 in the arrow A ₁ direction to the rail 36, then, well, that moves in the arrow A ₂ direction in FIG. 3, then, in FIG. 3 arrow A ₃ direction holding the cartridge body 4 held in good a holding portion 37 that rises, then poor, moves in arrow in FIG a ₄ direction, by lowering the arrow a ₁ direction in FIG. 3, poor of The holding section 37 holds the cartridge body 4. Thus, the cartridge body 4 corresponds to the arrow X _{1 in} FIGS.
Conveyed in the direction. The cartridge body 4 to which the shutter member 18 is attached is held by the holding portion 46 when attaching the shutter member 18, so that the shutter member 18 is securely attached.

Next, a stocker 4 in which a number of shutter members 18 attached to the cartridge body 4 are stocked.
1 will be described with reference to FIG. This stocker 4
1 is formed in a rectangular shape whose upper surface is open. Inside the stocker 41, a plurality of partitioning plates 42 are provided in a direction parallel to the direction in which the cartridge body 4 is conveyed, and a shutter storage portion 43 is formed in parallel. A plurality of the second shutter sections 20 are stored in the respective shutter storage sections 43 in a state where the second shutter sections 20 are set up toward the shutter transport mechanism 61 side. That is, the stocker 41 can supply the plurality of shutter members 18 of each shutter storage section 43 to the shutter transport mechanism 61 at one time by forming a plurality of shutter storage sections 43 in parallel.

[0033] Such a stocker 41 is a stocker 41.
It is conveyed to FIGS. 1 and 4 in the arrow X ₂ direction by the stocker transport mechanism 44 for transporting the. This stocker transport mechanism 44
Is transported by a transport belt 47 wound around a roller 46 connected to a motor 45, as shown in FIG. The transport belt 47 is provided with a positioning member 48 for positioning the stocker 41. Positioning member 48
Is formed in a substantially L-shape so as to engage with the lower bottom side corner portion of the stocker 41.

When a row of shutter members 18 stored in the stocker 41 is taken out by a shutter transport mechanism 61 described later, the stocker transport mechanism 44 drives the motor 45 to move the transport belt 47 to the arrow in FIGS. be to travel in the X ₂ direction, the shutter member 18 of the next column to move the stocker 41 until immediately below the first transport mechanism 51.

Shutter member 18 stored in stocker
Is transported from the stocker 41 to the shutter transport mechanism 61 by the first transport mechanism 51. A first transporter for transporting the shutter member 18 from the stocker 41 to the shutter transport mechanism 61
As shown in FIG. 5, the transport mechanism 51 has a take-out member 52 for taking out a row of shutter members 18 housed in the stocker 41. A plurality of take-out members 52 are provided corresponding to the number of shutter storage portions 43 provided in the stocker 41. Each takeout member 52 includes a pair of shutter holding pieces 52 that hold the shutter member 18 stored in the stocker 41.
a and a drive mechanism (not shown) for moving the shutter holding pieces 52a in the direction of approaching and separating, and are arranged side by side via a support plate 53 that supports each takeout member 52. The take-out members 52 are driven synchronously, and hold the shutter member 18 by moving the shutter holding pieces 52a, 52a in the approaching direction.

The first transport mechanism 51 has a lifting mechanism 54 for raising and lowering the take-out member 52. Lifting mechanism 54
As shown in FIG. 5, a drive unit 55 for raising and lowering the take-out member 52 and a connection plate 56 disposed in parallel with the support plate 53 are provided.
And a guide shaft 57 that guides the lifting and lowering of the support plate 53 on which the take-out member 52 is disposed. The elevating mechanism 54 descends in the direction of arrow D in FIG. 5 when taking out the shutter member 18 stored in the stocker 41. Then, at this lowered position, the take-out member 52 holds the shutter member 18. When the take-out member 52 holds the shutter member 18, the elevating mechanism 54 raises the take-out member 52 holding the shutter member 18 in the direction indicated by the arrow D in FIG. 5. The connection plate 56 is provided with support shafts 56a at both ends for rotating the take-out member 52 as described later.
6b.

The take-out member 52 holding the shutter member 18 is rotated by the rotating mechanism 58 to convey the shutter member 18 to the shutter conveying mechanism 61 at the raised position raised by the elevating mechanism 54. Rotation mechanism 5
As shown in FIG. 5, reference numeral 8 denotes the connection plate 56 described above and an intermediate arm 59 connected to one support shaft 56a of the connection plate 56.
And a drive unit 60 for rotating the intermediate arm 59. The drive unit 60 is formed of, for example, a cylinder actuator, is connected to the intermediate arm 59, and rotates the connection plate 56 by approximately 90 ° in the direction of arrow F in FIG. 5 by pulling in the direction of arrow E in FIG.

As shown in FIG. 5, when the elevating mechanism 54 positions the take-out members 52 at the lowered position, the first transport mechanism 51
One row of the shutter members 19 housed in 1 is held.
When the elevating mechanism 54 raises the support plate 53 in the direction indicated by the arrow D in FIG. 5, the take-out member 52 holding the shutter member 18 at this raised position is rotated in the direction indicated by the arrow F in FIG. It is rotated approximately 90 °. The take-out member 52 is disposed on the shutter transport mechanism 61 by the elevating mechanism 54 lowering the support plate 53 in the direction of arrow D in FIG. 5 and moving the shutter holding unit 52a away from the shutter holding unit 52a.

The shutter transport mechanism 61 for transporting the shutter member 18 transported by the first transport mechanism 51 to the second transport mechanism 71, as shown in FIG.
1. Shutter member 1 taken out of stocker 41 by
A pair of transport belts 62a and 62b for transporting the belt 8 to the shutter mounting mechanism 81, a driving roller 63 for rotating the transport belts 62a and 62b, and a rotating roller 64 are provided. The drive roller 63 is connected to a drive source (not shown), and is driven to rotate so that the transport belts 62a and 62b
And conveyed in the arrow X ₃ direction in FIG. At this time, the connecting portions 2 of the shutter member 18 are attached to the transport belts 62a and 62b.
1 is transported in a state facing the first transport mechanism 51 side.

The transport belts 62a and 62b are provided with shutter positioning portions 65 and 66 for positioning the shutter member 18 during transport, respectively. The pair of shutter positioning portions 65 are provided on the side of the conveyor belt 62a, and the shutter guide portions 22a, 2
2b are locked at both ends, and a pair of shutter positioning portions 66
Is provided on the side of the conveyor belt 62b and locks the first and second shutter portions 18 and 19.

Thus, while the shutter member 18 is held by the shutter positioning portions 65 and 66, the shutter member 18 is transported from the shutter transport mechanism 61 to the second transport mechanism 71 which transports the shutter member 18 to the shutter mounting mechanism 81 in FIGS. 6
It is conveyed to the middle arrow X ₃ direction. And the shutter member 1
8 is a shutter mounting mechanism 8 by the second transport mechanism 71.
It is transported to 1.

As shown in FIG. 7, a second transfer mechanism 71 for transferring the shutter member 18 from the shutter transfer mechanism 61 to the shutter mounting mechanism 81 includes a holding member 72 for holding the shutter member 18 of the shutter transfer mechanism 61, Gripping member 7
2 is attached, and the holding member 72 is
1 and a rotating arm 73 for moving over the shutter mounting mechanism 81. The gripping member 72 has a pair of gripping pieces 72a. The pair of gripping pieces 72a are moved in a direction approaching and separating from each other by a driving mechanism (not shown), and are moved in the approaching direction, so that the first member of the shutter member 18 is moved.
In addition, both side edges of the second shutter portions 19 and 20 are gripped.
A rotating arm 73 provided with a gripping member 72 for gripping the shutter member 18 is provided at one end.
The shutter rotates approximately 90 ° between the shutter transport mechanism 61 and the shutter mounting member 81.

When the second transport mechanism 72 as described above is on the shutter transport mechanism 61 side, the gripping pieces 72a, 72b
Is moved in the approaching direction, and both side edges of the first and second shutter portions 19 and 20 of the shutter member 18 are gripped by the gripping members 72.
To be gripped. Thereafter, the second transport mechanism 71 transports the rotary arm 73 to the shutter mounting mechanism 81 by rotating the rotary arm 73 substantially 90 ° in the direction of arrow G in FIG.
1 and 2b are rotated in a direction to separate them from each other, so that FIG.
The shutter member 18 is disposed on the shutter mounting mechanism 81 shown in FIG.

The shutter mounting mechanism 81 for attaching the shutter member 18 transported by the second transport mechanism 71 to the cartridge body 4 is transported by the second transport mechanism 71 as shown in FIGS. A shutter arranging portion 82 in which the shutter member 18 is arranged, and a mounting member 83 for attaching the shutter member 18 arranged in the shutter arranging portion 82 to the cartridge body 4 are provided.

As shown in FIG. 9, the shutter arranging portion 82 is provided so as to face the front side of the cartridge main body 4 arranged in the cartridge transport mechanism 31 which is the mounting end of the shutter member 18. The front ends of the first and second shutter portions 19 and 20 face the front surface of the cartridge main body 4, and the second shutter portion 20 is arranged to face upward. A pair of guide portions 84 for guiding the movement of the shutter member 18 when attaching the shutter member 18 to the cartridge main body 4 is provided on both sides of the shutter arrangement portion 82 parallel to the moving direction when attaching the shutter member 18 to the cartridge main body 4. Is provided. These guide portions 84 are provided at an interval corresponding to the length of one shutter guide portion 21a of the shutter member 18 and the other shutter guide portion 21a.

The shutter member 18 arranged in the shutter arrangement part 82 is moved to the front side of the cartridge body 4 in the shutter arrangement part 82 in which the shutter member 18 is arranged.
A mounting member 83 for mounting the shutter member 18 is provided on the front surface of the cartridge body 4 by being pressed. The mounting member 83 is provided so as to be movable in a direction indicated by an arrow H and a direction opposite to the arrow H in FIGS. The mounting member 83 is a shutter member 1
8, the shutter member 18 is pressed in a direction approaching the cartridge body 4 of the cartridge transport mechanism 31. Therefore, a concave portion 85 is provided on the pressing surface of the shutter member 18 of the mounting member 83 so that the connecting portion 21 side of the shutter member 18 is fitted. The shutter member 18 is reliably moved by fitting the connecting portion 21 side into the concave portion 85 of the mounting member 83.

The mounting member 83 is moved by a moving operation plate 86 connected to the mounting member 83, as shown in FIG. The moving operation plate 86 is disposed on the side opposite to the pressing surface of the shutter member 18 disposed on the shutter disposing portion 82 so as to be movable in the same direction as the moving direction of the mounting member 83 so that the mounting member 83 can be pressed. Is established. On the moving operation plate 86, on both side edges parallel to the moving direction,
A cam portion 87 is provided. The cam portion 87 is formed by being cut out in a concave shape, and has a first inclined surface portion 87a formed to be inclined inward toward the mounting member 83 side, and a horizontal surface formed continuously with the first inclined surface portion 87a. It is composed of a surface portion 87b and a second inclined surface portion 87c which is formed so as to be inclined outward and continuously with the horizontal surface portion 87b. The moving operation plate 86 is moved while being guided by a guide portion 88 provided along the same moving direction.

As shown in FIGS. 8 and 9, the movement of the moving operation plate 86 in the directions indicated by arrows H and H in FIGS. 8 and 9 corresponds to the moving direction of the moving operation plate 86. A drive transmission arm 89 that converts the movement into an orthogonal direction is connected. The drive transmission arm 89 is disposed from the movement operation plate 86 to the vicinity of the first and second shutter portions 19 and 20 of the shutter member 18 disposed on the shutter disposition portion 82.
At one end, an engagement protrusion 89b that engages with the cam portion 87 of the movement operation plate 86 is provided. The drive transmission arm 89 moves perpendicularly to the moving direction of the moving operation plate 86 by moving the moving operation plate 86 in the direction of arrow H in FIG. And move in the direction of the arrow I. As shown in FIG. 8, the drive transmission arm 89 is provided with a guide shaft 90a so as to approach and move away from the moving operation plate 86, and is guided by a guide member 90b. Further, the drive transmission arm 89 is urged in a direction indicated by an arrow I in FIG.

On the other end of the drive transmission arm 89,
As shown in FIGS. 8 and 9, the first shutter portion 19 of the shutter member 18 disposed in the shutter
A pair of gap forming arms 91 for widening the gap with the shutter section 20 are provided. The gap forming arm 91 has such a length that the other end of the drive transmitting arm 89 can slightly enter both sides of the first shutter section 19 and the second shutter section 20 of the shutter member 18 arranged in the shutter arrangement section 82. And a tapered portion 91a is formed so as to easily enter between the first shutter portion 19 and the second shutter portion 20. Specifically, the distal end of the gap forming arm 91 enters between the first shutter portion 19 and the second shutter portion 20 of the shutter member 18 by 1 mm to 10 mm.

The gap forming arm 91 is provided on the base end side.
A support shaft 92 is provided. The support shaft 92 is connected to the drive transmission arm 8.
9 is pivotally supported by a support portion 89a provided on the other end side and is rotatably supported. A torsion coil spring 93 is wound around the support shaft 92. The torsion coil spring 93 is
One end is locked to the support portion 89a, and the other end is locked to the base end side of the gap forming arm 91, thereby urging the gap forming arm 91 downward, that is, in the direction of arrow J in FIG.
That is, the gap forming arm 91 is rotatably supported by the support portion 89 a in a direction in which the first shutter portion 19 and the second shutter portion 20 of the shutter member 18 whose distal end is disposed in the shutter disposition portion 82 are separated from each other. Is done. When the shutter member 18 is pressed by the mounting member 83 and moves at high speed, the torsion coil spring 93 presses the shutter member 18 toward the shutter disposing portion 82 to prevent the shutter member 18 from being lifted up and causing a positional shift. I have.

As shown in FIG. 10, the gap forming arm 91 is provided at its base end with an engagement projection 93, and the engagement projection 93 is disposed substantially parallel to the gap formation arm 91. 94. The cam plate 94 has a horizontal surface portion 94a provided inside and an inclined surface portion 94b formed outside. The gap forming arm 91 urged in the direction of arrow J in FIG. 10 by the torsion coil spring 93 causes the shutter disposed on the shutter disposing portion 82 in accordance with the cam plate 94 by the engagement projection 91 b being engaged with the cam plate 94. The member 18 is rotated in a direction in which the first shutter 19 and the second shutter 20 are separated from each other. Specifically, the gap forming arm 91
As shown in FIG. 11, the first shutter is rotated such that the angle θ between the first shutter portion 19 and the second shutter portion 20 is changed from 0.1 ° to 10 °. Part 19
And the second shutter section 20 is widened.

As shown in FIG. 8, the drive mechanism 95 for moving the moving operation plate 86 and the gap forming arm 91 is connected to a drive motor (not shown) as a drive source and the drive motor. A drive belt 96, a pulley 97 around which the drive belt 96 is wound, and a rotating body 98 connected to a drive shaft of the pulley 97. The rotating body 98 is provided with a connection protrusion 98a on the outer peripheral side, and the connection protrusion 98a
The moving operation plate 86 is rotatably attached to an operation arm 99 for moving the moving operation plate 86 in the direction of arrow I in FIG. Operation arm 99
A notch 99a is formed at the end of the notch 99a, and a protrusion 86a projecting from the moving operation plate 86 in a direction orthogonal to the moving direction of the moving operation plate 86 is engaged with the notch 99a. In other words, the driving mechanism 95 drives the driving motor to rotate the rotating body 98 via the driving belt 96, so that the operation arm 99 moves following the rotation of the rotating body 98, and moves the moving operation plate 86 to the cartridge conveying position. The mechanism 31 is moved in the direction of the arrow H and the direction of the opposite arrow H in FIGS. Since such a driving mechanism 95 can move the moving operation plate 86 and the gap forming arm 91 with one driving source, downsizing and simplification can be achieved.

The shutter mounting mechanism 81 as described above is
When the moving operation plate 86 is moved in the direction of arrow H in FIG. 9 by the drive mechanism 95, the mounting member 83 is moved in the direction of arrow H in FIG. As a result, the shutter member 18 arranged in the shutter arrangement section 82 is moved in the direction of the cartridge main body 4 arranged in the cartridge transport mechanism 31. At this time, as the moving operation plate 86 moves in the direction of arrow H in FIG.
7 by moving from the first inclined surface portion 87a to the horizontal surface portion 87b in the direction of arrow I in FIG. Thereby, the gap forming arm 91 moves so that the engagement protrusion 91b of the gap forming arm 91 moves from the inclined surface portion 94b of the cam plate 94 to the horizontal surface portion 94a, and becomes a horizontal state from the inclined state in which the tip is directed upward. While rotating in the direction of arrow I in FIG. 10, the drive transmission arm 89 moves in the direction of arrow I in FIG. 9, and the leading end is located between the first shutter portion 19 and the second shutter portion 20 of the shutter member 18. Enter slightly.

When the moving operation plate 86 further moves in the direction of arrow H in FIG. 9, the shutter member 18 is attached to the front surface of the cartridge body 4. Further movement of the moving operation plate 86 in the direction of arrow H in FIG.
Immediately before the cartridge 8 is assembled to the cartridge body 4, the engagement protrusion 89 b of the drive transmission arm 89 moves from the horizontal surface portion 87 b of the cam portion of the moving operation plate 86 to the second inclined surface portion 87 c, so that the drive transmission arm 89 Moves in the direction of the arrow I in FIG. Thereby, the gap forming arm 91
Is moved from the inclined surface portion 94b of the cam plate 94 to the horizontal surface portion 94a, and the tip of the gap forming arm 91 is retracted from between the first shutter portion 19 and the second shutter portion 20. At the same time, the gap forming arm 91
Is rotated upward, that is, in the direction indicated by the arrow J in FIG.
As shown in FIG. 11, the interval between the first shutter portion 19 and the second shutter portion 20 is instantaneously widened so that the shutter member 18 can be inserted into the cartridge body 4.

In such a shutter mounting mechanism 81,
After that, the new shutter member 18 is
The movement operation plate 86 moves in the direction indicated by the arrow H in FIG. 9 until the supply of the shutter member 18 is completed, and the preparation for mounting a new shutter member 18 is completed. As described above, the shutter mounting mechanism 81
After the gap forming arm 91 enters between the first shutter portion 19 and the second shutter portion 20 of the shutter member 18, the gap forming arm 91 turns in the direction of arrow J in FIG.
By retracting from the space between the shutter section 19 and the second shutter section 20, the cartridge body 4 of the shutter member 18 is retracted.
It is possible to reduce the time required for attachment to the device. Further, by reducing the amount of movement of the gap forming arm 91, the impact of the tip of the gap forming arm 91 on the first shutter section 19 and the second shutter section 20 can be reduced, and the shutter member 18 is damaged. Can be prevented.

[0056] Incidentally, the cartridge body 4 shutter member 18 is mounted, as shown in FIG. 1, is further conveyed in the arrow X ₁ direction in FIG. 1, for biasing the shutter member 18 in FIG. 2 in the direction of arrow B The torsion coil spring 23 is attached. The spring mounting mechanism 101 for mounting the torsion coil spring 23 includes a spring stock section 102 for storing the torsion coil spring 23 and a spring mounting section 103 for mounting the torsion coil spring 23 to the cartridge body 4.
The spring mounting mechanism 101 includes a spring mounting section 103.
Is inserted into the cartridge main body 4 through the guide groove 26 of the shutter member 18 provided on the front surface of the cartridge main body 4 with the coil portion 23a of the torsion coil spring 23 as an insertion end. As a result, the torsion coil spring 23 has one end locked to the cartridge body 4 and the other end locked to the shutter member 18 so that the shutter member 18 closes the first and second recording and reproducing openings 16 and 17. It is attached so as to be urged in the direction of arrow B in FIG.

The shutter member 18 configured as described above
The mounting device 30, the cartridge transfer mechanism 31 is conveying member 32 is lowered in the arrow X ₁ direction in FIG. 3 with respect to the rails 36 and 36, then move well, namely in the arrow A ₂ direction 3, then , the cartridge body 4 held by the holding portion 37 is good by increasing the arrow a ₃ direction in FIG. 3
Holds, then, poor, moves in arrow in FIG A ₄ direction, by lowering the arrow A ₁ direction in FIG. 3, to hold the cartridge body 4 in poor holding portion 37, FIG cartridge body 4 sequentially transported to 1 and in FIG. 3 the direction of arrow X _1.

At the same time, the stocker transport mechanism 44
By driving the motor 45, by moving the conveyor belt 47 in FIGS. 1 and 3 in direction of arrow X _2, the stocker 4 until the shutter member 18 of the next column comes directly below the first transport mechanism 51
Move 1 Here, the first transport mechanism 51 is configured as shown in FIG.
As shown in FIG. 7, when the lifting mechanism 54 positions the take-out member 52 at the lowered position, the stocker 4 is attached to the take-out member 52.
5, the support plate 53 is raised in the direction indicated by the arrow D in FIG. 5 by the elevating mechanism 54, and the support plate 53 is moved substantially 90 degrees in the direction indicated by the arrow F in FIG.
The shutter member 18 is arranged in the shutter transport mechanism 61 by rotating the shutter member 18 by an angle of rotation. The shutter member 18 disposed on the shutter transport mechanism 61 is provided with the shutter positioning unit 6.
While being held by the 5,66, it is sequentially transported to the second transport mechanism 51 1 and 6 in the arrow X ₃ direction until.

The shutter member 18 transported by the shutter transport mechanism 61 is transported to the shutter mounting mechanism 81 by the second transport mechanism 71. When the second transport mechanism 71 is on the shutter transport mechanism 61 side, the gripping piece 7
2a and 72b are moved in the approaching direction, and the gripping member 72 grips both side edges of the first and second shutter portions 19 and 20 of the shutter member 18. Thereafter, the second transport mechanism 7
1 is shown in FIG. 1 by rotating the rotating arm 73 by approximately 90 ° in the direction of arrow G in FIG. 7 to convey it to the shutter mounting mechanism 81 and moving the gripping pieces 72a and 72b away from each other. The shutter member 18 is disposed on the shutter mounting mechanism 81.

The shutter member 18 disposed on the shutter mounting mechanism 71 is mounted on the front side of the cartridge body 4 as follows. That is, the shutter member 18 is attached to the shutter arrangement portion 82 by the first and second shutter portions 19,
When the shutter mounting mechanism 81 is arranged with the cartridge body 20 on the cartridge body 4 side, as shown in FIG.
The movement operation plate 86 is moved in the direction of arrow H in FIG. 9 by 4 to move the mounting member 83 in the same direction. As a result, the shutter member 18 disposed in the shutter
It is moved in the direction of the cartridge body 4 arranged in the cartridge transport mechanism 31. At this time, as the movement operation plate 86 moves in the direction of arrow H in FIG.
As shown in FIG. 12, the engagement projection 89b is
From the first inclined surface portion 87a to the horizontal surface portion 87b,
It moves in the direction of arrow I in FIG. As a result, as shown in FIG. 13, the gap forming arm 91
It further moves to the horizontal surface portion 94a, and rotates in the direction of arrow J in FIG. At the same time, the distal end of the gap forming arm 91 is connected to the drive transmitting arm 8 as shown in FIGS.
When the shutter 9 moves in the direction of arrow I in FIG. 9, the shutter 9 slightly enters between the first shutter section 19 and the second shutter section 20 of the shutter member 18.

When the moving operation plate 86 further moves in the direction of arrow H in FIG. 12, the shutter member 18
As shown in FIG. 4, it is attached to the front surface of the cartridge body 4. Immediately before the shutter member 18 is assembled to the cartridge body 4, as shown in FIG. 14, the engagement projection 89 b of the drive transmission arm 89 moves from the horizontal surface portion 87 b of the cam portion of the moving operation plate 86 to the second inclined surface portion 87 c. The movement causes the drive transmission arm 89 to move in the direction of the arrow I in FIG. As a result, the engagement protrusion 91b of the gap forming arm 91 moves from the inclined surface portion 94b of the cam plate 94 to the horizontal surface portion 94a, and the distal end of the gap forming arm 91 moves to the first position.
From the shutter section 19 and the second shutter section 20. At the same time, the gap forming arm 91 moves upward,
That is, the first shutter unit 19 and the second shutter unit 20 are rotated in the direction indicated by the arrow J in FIG.
As shown in (1), the shutter member 18 is instantaneously spread so that the shutter member 18 can be inserted into the cartridge body 4. In the shutter mounting mechanism 81, the moving operation plate 86 is moved in the direction indicated by the arrow H in FIG. 9 until a new shutter member 18 is supplied to the shutter disposing portion 82. The preparation for mounting the 18 is completed.

Thus, the cartridge body 4 to which the shutter member 18 is attached is
Further is conveyed in the arrow X ₁ direction in FIG. 1, the torsion coil spring 23 for biasing the shutter member 18 in FIG. 2 in the direction of arrow B is attached by a spring attachment mechanism 101 by.

In the mounting device 30 for the shutter member 18, the gap forming arm 9 of the shutter mounting mechanism 81 is provided.
After the shutter member 1 has entered between the first shutter portion 19 and the second shutter portion 20 of the shutter member 18, the shutter member 18 rotates in a direction to separate the first shutter portion 19 and the second shutter portion 20, and The distance between the first shutter portion 19 and the second shutter portion 20 is increased so that the first shutter portion 19 and the second shutter portion 20 can be inserted into the cartridge body 4.
At the same time, by retracting from the space between the first shutter portion 19 and the second shutter portion 20, the time for mounting the shutter member 18 to the cartridge body 4 can be reduced. Further, by reducing the amount of movement of the gap forming arm 91, the impact of the tip of the gap forming arm 91 on the first shutter section 19 and the second shutter section 20 can be reduced, and the shutter member 18 is damaged. Can be prevented. Therefore, the cartridge body 4 is damaged by the scratches on the shutter member 18 and the shavings are removed by the cartridge body 4.
Thus, it is possible to manufacture a disk cartridge which can prevent the magnetic disk 5 from entering into the magnetic disk 5 and reliably record and reproduce information signals on the magnetic disk 5. Further, the driving mechanism 95 of the shutter mounting mechanism 81 can move the moving operation plate 86 and the gap forming arm 91 with one driving source, so that downsizing and simplification can be achieved.

As described above, the mounting device 3 for the shutter member 18 used in the disk cartridge 1 to which the present invention is applied.
Although the description has been made with reference to 0 as an example, the present invention is not limited to this. That is, the present invention can be applied to a shutter member mounting device used in a conventional disk cartridge, and can also be applied to a shutter member mounting device of a disk cartridge using an optical disk or a magneto-optical disk as a recording medium.

[0065]

According to the shutter member mounting device of the present invention, after the gap forming member has entered between the first shutter portion and the second shutter portion of the shutter member, the first shutter portion and the second shutter portion are connected to each other. By rotating in a direction to separate the second shutter portion, the second shutter portion is retracted from between the first shutter portion and the second shutter portion, so that the time for mounting the shutter member to the cartridge body is reduced. Can be. Further, by reducing the amount of movement of the gap forming member, the impact of the tip of the gap forming member on the first shutter portion and the second shutter portion can be reduced, and the shutter member can be prevented from being damaged. . Therefore, it is possible to prevent the cartridge main body from being damaged due to the damage of the shutter member and to prevent shavings from entering the cartridge main body, and to manufacture a disk cartridge capable of reliably recording and reproducing data on and from a recording medium. Since the driving mechanism can operate the moving operation member and the gap forming member with one driving source, the entire device can be reduced in size and simplified.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a shutter member mounting device to which the present invention is applied.

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

FIG. 3 is a perspective view of a cartridge transport mechanism.

FIG. 4 is a perspective view of a stocker and a stocker transport mechanism.

FIG. 5 is a perspective view of a first transport mechanism.

FIG. 6 is a perspective view of a shutter transport mechanism.

FIG. 7 is a perspective view of a second transport mechanism.

FIG. 8 is a perspective view of a shutter mounting mechanism.

FIG. 9 is a plan view schematically showing a shutter mounting mechanism.

FIG. 10 is a front view schematically showing a shutter mounting mechanism.

FIG. 11 shows a state in which a gap forming arm has entered between a first shutter section and a second shutter section of the shutter member, and a gap between the first shutter section and the second shutter section has been widened. It is a perspective view.

FIG. 12 is a plan view showing a state in which a gap forming arm has entered between a first shutter portion and a second shutter portion of the shutter member.

FIG. 13 is a front view schematically showing a state in which a gap forming arm has entered between a first shutter portion and a second shutter portion of the shutter member.

FIG. 14 is a plan view showing a state in which the shutter mounting mechanism has mounted a shutter member on the cartridge body.

[Explanation of symbols]

1 disk cartridge, 4 cartridge body, 5
Magnetic disk, 18 shutter member, 19 first shutter section, 20 second shutter section, 21 connecting section, 21
a, 21b shutter guide portion, 23 torsion coil spring, 30 shutter member mounting device, 31 cartridge transport mechanism, 41 stocker, 51 first transport mechanism, 61 shutter transport mechanism, 71 second transport mechanism,
81 shutter mounting mechanism, 83 mounting member, 86
Moving operation plate, 87 cam part, 89 drive transmission arm, 9
1 gap forming arm, 94 cam plate

Claims (3)

[Claims] 1. A recording / reproducing opening of a cartridge body in which a recording medium is accommodated and a recording / reproducing opening for exposing a part of the recording medium to the outside is formed at opposing upper and lower surfaces. By moving in the direction approaching and separating from the insertion end of the shutter member that opens and closes, and pressing the shutter member against the insertion end of the shutter member of the cartridge body,
An attachment member for attaching the shutter member to the cartridge body; and a first shutter portion and a second shutter portion for closing the recording / reproducing opening of the shutter member when attaching the shutter member to the cartridge body. The first shutter portion and the second shutter portion by rotating the first shutter portion and the second shutter portion in a direction that separates the first shutter portion from the second shutter portion. A gap forming member for widening the gap with the shutter portion; and the mounting member is moved in a direction approaching and separating from the insertion end of the shutter member of the cartridge body, and the gap forming member is substantially orthogonal to the moving direction of the mounting member. And a drive mechanism for rotating the first shutter unit and the second shutter unit in a direction for separating the first shutter unit and the second shutter unit. Data member of the mounting device. 2. A moving operation member for moving the mounting member in a direction of moving toward and away from the cartridge body, and a substantially concave shape is formed on both side edges of the moving operation member parallel to the moving direction of the mounting member. A cam portion is formed, and the gap forming member is connected to a drive transmission member provided with an engagement protrusion which is urged and engaged with the cam portion of the moving operation member on one end side, and the gap forming member is 2. The shutter member mounting device according to claim 1, wherein the moving operation member is moved by the driving mechanism to move in a direction substantially orthogonal to a moving direction of the mounting member according to the cam portion. 3. The gap forming member is rotatably supported at the other end of the drive transmitting member in a direction to separate the first shutter portion and the second shutter portion, and the first shutter portion is provided. An engagement protrusion is provided on a base end side facing the insertion end to the space between the second shutter portion and the cam plate for rotating the gap forming member. 2. The shutter member mounting device according to claim 1, wherein the shutter member is rotated in accordance with the cam plate by moving in a direction substantially perpendicular to a moving direction of the mounting member according to the portion.