JP3514105B2 - Recording medium recording / reproducing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] The present invention relates to a recording / reproducing apparatus for recording media.
The disk cartridge into the holder.
Operation to insert the disc cartridge.
The present invention relates to a recording / reproducing apparatus for recording media. [0002] 2. Description of the Related Art For example, a personal computer or
Can record information in electronic devices such as word processors.
A magnetic disk device is provided as a means for performing this. Soshi
As a magnetic disk drive, for example, JP-A-8-55
No. 402, as disclosed in
When the disc cartridge is installed, the disc cartridge is
When the magnetic disk housed in the
The magnetic head slides on the magnetic disk
Some are configured to perform In the above magnetic disk drive,
A disk holder into which a disk cartridge is inserted,
Slide the disc by inserting the disc cartridge.
The holder from the cartridge insertion / ejection position.
Recording consisting of a slider that moves to the cartridge mounting position
It has a configuration having a medium transfer mechanism. The slider is
It is urged in one direction by a coil spring etc.
When the cartridge is inserted, the latch lever
The cartridge is pushed by the end of the cartridge and pivots and latches
The locking of the slider by the lever is released. This
The slider slides in the biasing direction to cover the disk holder.
Move to the cartridge mounting position. At that time,
Insert the cartridge from the cartridge insertion / ejection position.
By dropping to the ridge mounting position, the disc cart
Chucking the disc in the ridge on the turntable
Will be. [0004] SUMMARY OF THE INVENTION However, the conventional
In magnetic disk drives, the latch lever slider
Arc shape for the protrusions cut and raised at the rear end to slide
Is provided with a cam section,
Latch lever pivots in the insertion direction by ridge insertion operation
By doing so, the cam part of the latch lever
To restrict the sliding operation of the slider. Soshi
At the end of the disc cartridge insertion operation.
Make sure that the side of the cam is parallel to the sliding direction of the slider.
You. Therefore, the slider moves the latch lever against the projection.
The latch by the cam portion is released, and the slide can be performed. However, in such a conventional configuration,
Has a projection at the rear end of the slider
The rear wall of the magnetic disk drive.
Does not come into contact with the cam part of the latch lever and the rear end of the slider
Must be formed at the rear. Therefore,
In the magnetic disk device, a latch lever is provided.
The size of the device is reduced to secure the rear space.
And it was difficult to save space. FIGS. 15A and 15B show the miniaturization of the apparatus.
Recording medium devised by the present inventors to save space and save space
2 shows a part of a recording / reproducing apparatus. FIG. 15A shows a disk.
This shows a state where the cartridge 9 is mounted. Slider 1
Is slidably supported by the holder 2 and has a latch lever.
-3 has a cam portion 4 at a portion facing the rotation range,
Urged in the A direction. The latch lever 3
It is rotatably supported on the holder 2 by the pin 6 and
And is urged to rotate counterclockwise by a spring.
Has a sliding portion 5 which is in sliding contact with the cam portion 4 at an intermediate portion of the first portion. La
The switch lever 3 is inserted with the disk cartridge 9.
In the front, it is almost in the A direction, and the disk cartridge
As the disc cartridge is inserted
Pushed by the tip of the cartridge in the insertion direction
Is turned to the position where it faces
Open the shutter. The cam part 4 has an arc-shaped part 4a and a relief part 4b.
And The arc-shaped portion 4 a is
While the sliding portion 5 moves in the rotation direction in the process of
It is the part that slides. The escape portion 4b is an end of the arc-shaped portion 4a.
And extends in the sliding directions A and B of the slider 1.
are doing. This recording medium recording / reproducing apparatus is a
When the cartridge 9 is inserted into the holder 2,
In the process, the latch lever 3 is rotated clockwise to the position P
The sliding contact portion 5 located at 1 moves to the position P2,
When the arc-shaped portion 4a comes off, the escape portion 4b moves along the sliding contact portion 5.
The slider 1 slides in the direction A.
The holder 2 is lowered, and the disk cartridge 9 is loaded.
Operate to be worn. The sliding portion 5 is
Then, it moves to the position P3. The operator inserts the disk cartridge 9 with his fingertip.
Push to the final insertion position in holder 2 in FIG.
Push in. In the latter half of the stage, the latch lever 3 is
As shown in (A), it is rotated clockwise, and the latch lever is rotated.
At the stage when 3 has completely rotated, the slider 1
It is slid in the A direction as shown. The operator can
The latch lever 3 rotates the cartridge 9 against the spring.
The pushing force is as shown in FIG.
It increases proportionally as shown in FIG. This increase is
The cartridge cartridge 9 continues until it reaches the final position.
The finally required pushing force becomes F1 and becomes large.
For this reason, the pressing operation at the final stage feels heavy
The disk cartridge loading operation feels better.
won. Accordingly, the present invention provides a recording apparatus which solves the above problem.
An object of the present invention is to provide a medium recording and reproducing device. [0010] Means for Solving the Problems To solve the above problems,
Therefore, the present invention has the following features. Claim 1
Akira is a frame and a recording medium is inserted into the frame
Recording medium insertion / ejection position, lower magnetic head and upper
Between the magnetic recording head and the recording media
Movably provided holder and attached to the holder.
In the process of inserting the recording medium into the holder,
Latch lever that is pushed by the recording medium and rotates in the insertion direction
Bar and supported by the frame, the holder
It has an inclined groove to be fitted to the engagement pin, and the rotation of the latch lever
The latching action is released by the moving action and slides in one direction.
Move the holder to the recording medium mounting position,
The recording medium is inserted and ejected by sliding the holder
And a sliding member for returning to the
Recording medium having a spring biased to move in a direction
In the recording / reproducing apparatus, the latch lever of the sliding member
A cam section is provided in a portion facing the rotation range of the
A sliding contact portion is provided in the middle of the
The recording medium is pushed into and inserted into the cam section.
The recording is performed while the sliding portion moves in the rotation direction during the recording process.
Slide until the media reaches the position immediately before reaching the final insertion position
And an end of the arcuate portion, the recording medium
Until the body reaches the last insertion position from the position immediately before the above,
The sliding member slides to push the sliding contact portion.
A surface portion, and extending in the sliding direction of the sliding member following the slope portion.
With the escape part that is present,The sliding member is the inclined
It extends horizontally from the upper end of the groove, and the length is
Has a horizontal groove longer than the length of the sliding member on the surface in the sliding direction
And When the recording medium is pushed in, the latch lever is
Pressed by the recording medium and rotated in the insertion direction,
Latch leverSliding partIs the circle of the cam sectionReaching the end of the arc
Then, the sliding member causes the sliding member to move by the spring force of the spring.
Direction, and the slope part pushes the sliding part,
Generates rotational power to rotate the latch lever in the insertion direction
LetAnd the sliding member starts moving in the one direction.
The slope of the lever is Move while pressing the sliding part of the bar
During the movement, the horizontal groove is engaged with the engaging pin of the holder.
The recording medium is inserted and ejected.
PositionIt is composed. [0011]The recording medium is pushed in and the latch lever is
Pressed by the recording medium and rotated in the insertion direction to latch
When the sliding part of the lever reaches the end of the arc part of the cam part, the spring
The sliding member starts moving in one direction due to the spring force of
The surface pushes the sliding contact and the latch lever is turned in the insertion direction.
By generating a rotating force,Press the recording medium
The load applied to the fingertip
Increased almost in proportion, but almost increased in the final stage
And the recording medium is pulled into the fingertips
Feels good, and a good operation feeling can be obtained.
Noh andBecome. [0012]The sliding member extends horizontally from the upper end of the inclined groove
Horizontal groove, the length of which is the slope of the cam
Is longer than the length of the sliding member in the sliding direction.
As a result, the sliding member starts moving in one direction and the slope
While moving while pressing the sliding part of the
The groove is engaged with the engaging pin of the holder,
To the recording medium insertion / eject position.
Operator'sAt the fingertips, it is as if the recording medium is drawn in
Feel remains more reliably, and a good operation feeling is obtained.
It can be obtained more reliably. [0013] BRIEF DESCRIPTION OF THE DRAWINGS FIG.
An embodiment of the medium recording / reproducing apparatus will be described. Figure 1
As one embodiment of the recording medium recording / reproducing apparatus according to the present invention,
FIG. 2 is an exploded perspective view showing a schematic configuration of the magnetic disk drive 11.
You. FIG. 2 shows a cover, a slider, a holder, and a frame.
It is an exploded perspective view which expands and shows. In addition, FIG.
(C) shows a state where the slider and the holder are combined.
FIG. As shown in FIG. 1 to FIG.
The disk device 11 includes a disk cartridge (not shown).
Sliding forward and backward with the inserted disc holder 12
Slider (sliding member) for raising and lowering the disk holder 12
13 is mounted on the frame 14 in the state of being overlapped
Can be The slider 13 is A, B on the disk holder 12.
Slidable in the direction
The disc holder 12 slides in the direction A by the
Insert the cartridge from the cartridge insertion / eject position
Lower to position. The disk holder 12 includes a top plate 12a and a top plate 12a.
Hold the disk cartridge from both sides of the plate 12a
Cartridge guide portions 12b and 12c bent
Consists of Therefore, the top plate 12a and the cartridge cartridges on both sides are
The space surrounded by the guides 12b and 12c is
Become a part. Also, on the top plate 12a of the disc holder 12,
The opening 12d is moved because the head carriage 18 moves.
The lift arm 42 is turned to the left of the opening 12d.
The pair of support portions 12h that movably support the cut portions are cut and raised.
I have. The slider 13 is located above the disk holder 12.
Plate 13a that slides in the lower direction and lower than both sides of the plate 13a.
Side surfaces 13b and 13c and side surfaces 13b and 13
c, the engaging pin 12e of the disc holder 12 is fitted.
The inclined groove 13d and the side surfaces 14e of the frame 14,
Abutting portion 13e abutting on the upper end of 14f;
Hole 1 provided in the center of the disc holder 12
2g. On the flat plate 13a of the slider 13,
Coil springs 51 and 52 for urging the slider 13 in the A direction
13g and 13h are provided. This
Openings 13g and 13h are formed so as to extend in the A and B directions.
And one end of each of the coil springs 51 and 52 is hung on the end in the direction B.
Locking portions 13i and 13j to be stopped protrude. In addition,
The other ends of the ill springs 51 and 52 are
Hooks 12i and 12j projecting from the plate 12a.
You. Therefore, the slider 13 includes the coil springs 51, 52
Is urged in the A direction by the spring force of. FIG. 4A is a plan view showing the structure of the frame 14.
FIG. FIG. 4B shows the structure of the frame 14.
FIG. As shown in FIGS.
Also, the disc is placed on the flat surface 14a of the frame 14.
Circular opening 1 into which the turntable 15 is inserted
4b and a head carrier for supporting the magnetic heads 16 and 17
Cartridge 18 is slidably mounted in the A and B directions.
A ridge attachment portion 14c is provided. Also,
A motor for driving the head carriage 18 is provided at the rear of the
Motor 25 is provided with a motor mounting portion 14d to which the motor 25 is mounted.
Have been. The carriage mounting portion 14c and the motor
Both sides of the mounting portion 14d are cut in a rectangular shape.
Therefore, the rear of the frame 14 is
4c and only the motor mounting part 14d project rearward
It has become. Also, both side surfaces 14e, 1 of the frame 14
At the intermediate position of the inner wall of 4f, the disk holder 12 is raised and lowered.
Guide grooves 14g and 14h for guiding the operation are provided.
I have. Further, on the lower surface side of the frame 14, a turn
Table for rotating and driving the table 15 and the turntable 15.
The circuit board 20 on which the motor 19 is mounted is attached.
You. The head carriage 18 has a lower side
A carriage body 21 for supporting the magnetic head 16,
The carriage body 21 supports the upper magnetic head 17 on the lower surface.
And a head arm 22 rotatably mounted with respect to
Have. The head carriage 18 is moved in the front-rear direction.
Guide shaft 23 extending in (A, B directions)
Lead screw guided by the screw 24
Of the lead screw 24 in a direction corresponding to the rotation direction of the lead screw 24.
Move by a distance corresponding to the amount of rotation. Guide shaft 23
Is a plate-like pressing member on the flat surface 14a of the frame 14.
(Not shown) and the carriage body
21 is inserted through a fitting portion 21a provided on the right side surface of the first member 21.
Further, the lead screw 24 is
Screw into the screwing part (not shown) provided on the left side on the opposite side
Have been. Then, the lead screw 24 is driven to rotate.
The motor 25 is provided with a motor provided at the rear of the frame 14.
It is attached to the lower surface of the data attachment portion 14d. for that reason,
The head carriage 18 rotates the lead screw 24
The guide shaft is driven by the rotational driving force of the driving motor 25.
A and B directions guided by 21 and guide shaft 24
Go to Thereby, it is supported on the head carriage 18.
Magnetic heads 16 and 17 are used as disk cartridges.
Magnetic disk (not shown) housed in
Magnetic recording and reproduction can be performed by sliding on the track.
You. On the plane 14a of the frame 14,
Disk cartridge inserted into disk holder 12
To prevent the end of the head from colliding with the lower magnetic head 16
Protector 26 is attached to pin 14i projecting on plane 14a.
The guide is provided so as to be slidable in the C and D directions.
This protector 26 is provided at one end of an L-shaped link 27.
And is connected to the other end of the link 27.
The pin 27 b is engaged with the engagement portion 13 k of the slider 13.
I agree. Therefore, the disk cartridge is
Before being inserted into the holder 12, the protector 26 is
It is close to the side of the magnetic head 16. At that time,
The denter 26 is inclined on the plane 14 a of the frame 14.
Riding on the inclined portion 28 and holding it above the lower magnetic head 16
Can be launched. Therefore, disk cartridges
Moves above the lower magnetic head 16 by sliding the tek 26
As a result, collision with the lower magnetic head 16 is prevented. Then, the slider 13 slides in the direction A.
Slides in the direction away from the lower magnetic head 16
You. Therefore, the slider 13 slides in the A direction.
The protector 26 slides in the direction D and the inclined portion 28
As it descends downward, the magnetic disk
Contact. FIG. 5 illustrates the configuration of the latch mechanism.
FIG. As shown in FIG. 1 and FIG.
At the rear of the upper surface of the holder 12, a
A switch mechanism 36 is provided. This latch mechanism 36
Is rotatably supported on the upper surface of the disk holder 12.
Latch lever 38 and latch lever 38 are turned counterclockwise.
The coil spring 39 for urging the rotation and the slider 13
And a cam portion 46 provided on the top plate 13a.
You. FIG. 6 illustrates the shape of the latch lever.
FIG. FIG. 6A is a plan view, and FIG. 6B is a side view.
FIG. (C) is a front view, and FIG. (D) is an enlarged plane of part A.
FIG. 7 (E) is an enlarged side view of part A. FIG.
As shown in (E), the latch lever 38 is attached to one end.
Shaft hole 3 through which the shaft at the rear of the upper surface of disk holder 12 is inserted
8a and a disk cartridge shutter at the other end (shown in FIG.
And a claw portion 38b for opening the same. Latch lever
-38 is one of the coil springs 39 in the middle of the longitudinal direction.
A hook portion 38c whose end is hooked, and a cam portion of the slider 13
And a sliding contact portion 38d that slides on the sliding surface. In addition, coil spring
The other end of the ring 39 is attached to the top plate 12a of the disk holder 12.
It is hooked on the hook 12k provided. A slider is provided at the upper end of the sliding portion 38d.
13 is bent so as to prevent it from coming off.
You. A claw 38b is provided above the claw 38b.
Of the disk cartridge inserted into the disk holder 12
Restrict the rotation height position so that it is held at the insertion height position
Regulating portion 38f is provided. Also shown in FIG.
To the rear of the top plate 12a of the disc holder 12.
Is inserted through the shaft hole 38a of the latch lever 38 and
Shaft 1 that supports the switch lever 38 so as to be rotatable in the E and F directions.
2m, and inserted into the groove 38g of the latch lever 38 during assembly.
After that, restricts the upward movement of the latch lever 38
12n is projected. Pull-out prevention unit 12
n is such that the latch lever 38 does not come off the shaft 12m.
Projection 12 for regulating the height position of the upper surface of latch lever 38
n₁Project in the horizontal direction. In addition, disc holders
The claw portion 38 of the latch lever 38 is provided on the top plate 12a of the
b is an arc-shaped opening 1 inserted into the disk holder 12
2o is provided. Further, on both sides of the disc holder 12,
A pair of engaging pins 12e for engaging with the slider 13 is provided.
A guide 12 is provided at the center of both sides of the disc holder 12.
f is protruding. The guide portion 12f is connected to the frame 1
The guide grooves 14g provided in the side walls 14e, 14f
14h to guide the elevating operation of the disc holder 12.
Do. The upper surface of the disk holder 12 has
When the disk cartridge is not inserted
When the head arm 22 contacts the disk cartridge,
Head arm lift mechanism 41 that holds the
Is provided. This head arm lift mechanism 41
Is a lift arm 4 that contacts the lower surface of the head arm 22.
2 and presses the lift arm 42 upward when not inserted
Lifter 43 and lift arm 42 are pressed downward.
And a pressing spring 44. The lift arm 42 includes a head arm
Abuts on the lower surface side of the protruding portion 22a protruding from both sides of the
And can be turned up and down around both ends of the pressing spring 44.
Noh is attached. And the lift arm 42
Downward, in the A and B directions due to the sliding operation of the slider 13,
A sliding lifter 43 is provided. Therefore,
When the disc cartridge is not inserted, the lifter 43
Lift arm 42 is pressed upward, thereby
The arm 22 rotates upward to remove the upper magnetic head 17.
The disk holder 12 is retracted above. Also, when the disk cartridge is
Slider 13 slides in the direction A
And lifter 43 is also separated from lift arm 42.
You. As a result, the lift arm 42 is
The disc holder 12 is mounted with the holding force removed
Descend to position. Therefore, in the disk cartridge
The stored magnetic disk has the head arm 22 downward.
Rotating, the lower magnetic head 16 and the upper magnetic head
17 to perform magnetic recording or reproduction. The lift arm 42 includes a pressing spring.
Both ends of 44 are cut and raised portions 42a of the lift arm 42.
Penetrated and erected on the top plate 12a of the disk holder 12.
It is supported by the support portion 12h. This support 12h
Since it is formed in a direction extending in the E and F directions,
Arm 42 is directly in the carriage movement direction (A, B direction).
It is attached so as to be rotatable in the vertical direction where it crosses. A frame is provided above the slider 13.
A cover 45 is provided to cover the top of
Have been killed. The cover 45 is attached to the frame 14 on both sides.
To prevent the slider 13 from rising upward.
Further, it guides the movement of the slider 13 in the front-rear direction.
You. As shown in FIG. 1, FIG. 2, FIG. 3, and FIG.
The above-mentioned latch lever 38 is attached to the flat plate 13a of the
A cam portion 46 for hooking is provided. Cam part 4
6 is latched when the disk cartridge is being inserted.
The sliding portion 38d of the lever 38 slides while moving in the rotation direction.
The arc-shaped portion 47 that comes into contact with the disk cartridge
When the sliding contact portion 38d has passed the arc-shaped portion 47 at the time of completion,
And an escape portion 48 formed in a direction away from the main body. The flat plate 13a of the slider 13 has
The cam portion 46 is formed, and the sliding contact portion 38d is inserted.
A fan-shaped opening 49 for moving in a closed state is provided.
ing. The latch lever 38 is provided outside the opening 49.
At the tip of the
An arc-shaped opening facing the rotation range of the engaging claw portion 38b
50 are provided. Further, a rear portion of the flat plate 13a of the slider 13
Is provided with a contact portion 53 extending in the B direction.
The contact portion 53 allows the slider 13 to slide in the A and B directions.
Motor mounting portion 14 provided at the rear of the frame 14
d, and comes into contact with the guide wall 52 rising above
3 guides the sliding operation. FIG. 8 shows the disk holder 12.
The state where the latch lever 38 is attached to the top plate 12a of FIG.
FIG. FIG. 9 shows the state above the latch lever 38.
FIG. 6 is a perspective view showing a state where a slider 13 is attached to the slidable member. As shown in FIG.
When the cartridge is inserted into the disc holder 12, the latch
The bar 38 turns in the E direction against the spring force of the coil spring 39.
Move. At this time, the shutter of the disk cartridge
Engaging with the claw portion 38b provided at the tip of the switch lever 38.
Slide in the opening direction. The latch lever 38 is
There is no cam part with which the projection of the die 13 slides.
Therefore, even if it turns in the E direction, it is
Does not protrude. Further, as shown in FIG.
3 is located forward of the rear end of the disc holder 12.
To protrude backward from the disk holder 12
There is no configuration. Therefore, the latch lever 3
It is no longer necessary to secure space behind 8
The shape of the minute frame 14, as shown in FIG.
Both sides of the carriage mounting portion 14c and the motor mounting portion 14d are rectangular.
The shape is cut into a shape. Therefore,
The installation space for the system 14 can be reduced,
Reduces the size and space of the magnetic disk drive 11
be able to. Next, the magnetic disk constructed as described above
The disk mounting operation of the device 11 will be described. FIG.
Indicates that the disc cartridge has been ejected.
FIG. 3 is a diagram showing a positional relationship between a scaffold 12 and a slider 13.
is there. As shown in FIGS.
The inclined groove 13 d of the lid 13 is engaged with the disk holder 12.
Since the mating pin 12e is fitted, the slider 13 slides.
The engagement pin 12e is driven by the operation along the inclined groove 13d.
Is done. Therefore, the slider 13 slides in the B direction.
And the disk holder 12 inserts and ejects the cartridge.
When the slider 13 slides in the direction A,
Lower to the cartridge mounting position. Therefore, in the eject state shown in FIG.
The disk cartridge (not shown) is
When the latch lever 38 is inserted into the
When pressed, it rotates clockwise (E direction). And
The sliding contact portion 38 d of the chiller 38 is
The arc-shaped portion 47 of the cam portion 46 provided in the position a is slidably contacted. The disk cartridge is the disk holder 1.
When the shutter is inserted to the back of
8 is fully opened by the claw portion 38b, and the latch lever
38 slide contact portion 38d passes through the arc-shaped portion 47 of the cam portion 46
Then, it faces the escape portion 48 of the cam portion 46. Therefore,
The rider 13 is unlocked by the latch lever 38.
Therefore, in the direction A due to the spring force of the coil springs 51 and 52,
Slide. FIG. 11 shows a state where a disk cartridge is mounted.
Position relationship between the disk holder 12 and the slider 13 in the closed state.
FIG. The disc holder 12 is free on both sides.
Moveable only in the vertical direction with respect to the left and right sides of the arm 14
Since the slider 13 is supported, the slider 13
, The engaging pin 12e of the disk holder 12
The slider 13 is driven downward along the inclined groove 13d.
View from the cartridge insertion / ejection position shown in FIG.
The user descends to the cartridge mounting position shown in FIG. The eject operation is performed by moving the slider 13 in the B direction.
When the disk holder 12 is slid,
Perform the reverse operation to insert and insert the cartridge shown in FIG.
To the project position. At the same time, the latch lever 3
8 rotates in the F direction due to the spring force of the coil spring 39.
Then, the disc cartridge is ejected in the direction A. This
The disc cartridge is locked by the eject operation of
Ejected from the disc holder 12 after the
You. In the above embodiment, the magnetic disk drive is
Although described in the example, the present invention is not limited to this, and other examples
Optical disk device or magneto-optical disk device
Recording with a card-shaped recording medium such as a memory card
Needless to say, the present invention can be applied to a reproducing apparatus and the like. Also, the above
In the embodiment, the slider slides above the disk holder.
Has been described as an example, but is not limited to this. For example,
With a configuration in which the slider slides below the disk holder
The present invention can also be applied to Next, regarding the operation of mounting the disk cartridge,
The linked mechanism will be described in detail. In FIG. 12 (A)
As shown, the slider 13 is formed on a flat plate 13a.
The cam portion 46 includes an arc-shaped portion 47 and an oblique portion following the arc-shaped portion 47.
It comprises a surface part 60 and a relief part 48 following the slope part 60.
The slope 60 forms an important part of the present invention. FIG. 12 (B)
As shown in the figure, the slider 13 is positioned above the inclined groove 13d.
And has a horizontal groove 61 extending in the direction A. This horizontal groove
61 forms an important part of the present invention. Sliding of slope 60
The length of the slider 13 in the sliding direction (A and B directions) is L1.
The length (length in the A and B directions) of the horizontal groove 61 is L2.
The length L1 and the length L2 have a relationship of L1 <L2. The presence of the horizontal groove 61 allows the
The position Q10 where the ida 13 has moved most in the B direction is a horizontal groove.
When the slider 61 does not exist, the slider moves most in the B direction.
A position shifted by a dimension L2 in the B direction from the moved position Q1;
(See FIG. 14B). The arc-shaped portion 47
Is when the slider 13 is located at the position Q10.
A circular arc centered on the rotation center of the latch lever 38
The disc cartridge is pushed in and inserted.
The sliding contact portion 38d moves clockwise in the turning direction.
Immediately before the disk cartridge reaches the final insertion position S1
It has a size that slides until it reaches the position S2. Arc-shaped part
47 is related to the sliding contact portion 38d of the latch lever 38,
The rotation of the latch lever 38 is enabled, and the latch lever
The slider 13 slides in the direction A even if the
To maintain the position Q10.
You. The slope 60 is counterclockwise with respect to the A and B directions.
Angle (several degrees) in the direction. This slope 60
Has the following two effects. Slider 13 is spring 5
Allows to start sliding in direction A by 1, 52
You. When the slider 13 slides in the direction A, the sliding contact portion
Press 38d in the C direction. Slider by springs 51 and 52
13 and the action of the slope 60, the latch lever
-38 is given a clockwise turning power. This rotational power is
The disk cartridge extends the spring 39 while the latch lever is
-38 is pushed into the vicinity of the final insertion position S1, and the spring 3
9 is greatly extended and the disc cartridge is pushed in.
When the load on the
It acts to reduce the load on the body. The length L1 and the length L2 are related by L1 <L2.
The slope portion 60 is in contact with the sliding contact portion 38d.
The sliding of the slider 13 during
The horizontal groove 61 slides, the inclined groove 13d and the engaging pin 1
2e, and the disc holder 12 is still locked.
It is kept at the cartridge insertion / ejection position. Escape part 4
8 extends in the sliding direction (A, B direction) of the slider 13
ing. The escape portion 48 allows the slider 13 to slide in the A direction.
Act to allow Also, the escape portion 48
Does not rotate the latch lever 38 at all. Next, the disc cartridge mounting operation will be described.
In particular, the disc cartridge is pushed into the disc holder 12.
This will be described in detail focusing on the operation force to be inserted. FIG. 13 (A
1) to (D1) show the progress of the disk cartridge insertion operation.
Changes in the relationship between the latch lever 38 and the slider 13 due to the row
13 (A2) to 13 (D2) are respectively shown in FIG.
The slider 13 and the holder shown in (A1) to (D1)
6 shows a change in the relationship with the damper 12. FIGS. 14A to 14C
Indicates the latch as the disk cartridge insertion operation progresses.
Rotation position of lever 38, position of slider 13, disk
6 shows a state of a change in a cartridge pushing operation force. FIG.
In FIGS. 16A to 16C, broken lines are shown in FIGS.
Lines are shown and are shown for ease of comparison. Before inserting a disk cartridge,
The touch lever 38 is turned counterclockwise as shown in FIG.
The sliding contact 38d is located at the position P10.
ing. As shown in FIG. 13 (A2), the slider 13
It is located at the position Q10 slid in the direction. Discka
When the cartridge is inserted into the holder 12, the cartridge
The disc cartridge pushes the latch lever 38 and the spring 3
9 while rotating it clockwise while stretching
You. Operation to add the disc cartridge to the fingertip
The force increases almost proportionally as shown in FIG. When the disk cartridge is in the final insertion position S1
Is pushed to the position S2 immediately before reaching
8d reaches the end of the arc-shaped portion 47, and subsequently, FIG.
As shown in 1), the sliding contact portion 38d reaches the position P11 and is inclined.
The slider 13 is opposed to the surface portion 60, as shown in FIG.
As shown, the sliding in the direction A is opened by the springs 51 and 52.
Start. When the slider 13 slides for a distance L1, FIG.
3 (C1) and the state of FIG. 13 (C2). Sliding part 38
d reaches the position P12, and the boundary between the slope portion 60 and the escape portion 48 is reached.
To the world. Even when the slider 13 slides by the distance L1,
The engagement pin 12e is still located at the horizontal groove 61.
are doing. 13 (B1) and FIG. 13 (B2)
13 (C1) and FIG. 13 (C2).
When the slide contact portion 38d is pushed in the C direction and
A counterclockwise turning power TR is provided. This power is pushed
Latch lever 38 depending on the disc cartridge to be inserted.
Acts to assist the power of turning. So this
Fingertip that pushes disk cartridge for the rotation power TR
Less operating force to be applied to the disc
The operating force applied to the fingertip that pushes the cartridge is
It increases almost proportionally as the cartridge is pushed in.
As shown by reference numeral 70 in FIG.
It is no longer increasing, as if a finger cart
The feeling that the ridge is pulled in remains. When the disk cartridge is in the final insertion position S1
, The escape portion 48 moves along the sliding contact portion 38d,
The slider 13 is slid in the direction A. In FIG. 13 (D1)
As shown, the sliding contact portion 38d is positioned with respect to the cam portion 46.
It reaches the location P13. Further, as shown in FIG. 13 (D2),
The inclined groove 13d is fitted to the engagement pin 12e, and the holder 12 is
After descending, the disk cartridge is mounted. At the fingertip for pushing the disk cartridge
The load is increased as the disc cartridge is pushed in.
Increased almost in proportion, but almost increased in the final stage
And the fingertips touch the disk cartridge as if
The feeling of being pulled in remains, and a good operation feeling
can get. The slope 60 is a disk cartridge.
When ejecting the latch lever 38,
The rotation of the direction is not performed at once, but the latch lever
38 rotates slightly at first, and then at once
To work. Therefore, the disk cartridge
Ejects are now performed quietly in the early stages
You can do it. [0054] As described above, according to the first aspect of the present invention,
Cover the sliding member at the part facing the rotation range of the latch lever.
A cam portion at an intermediate portion of the latch lever.
The cam portion is provided on the recording medium.
The sliding contact part is rotated in the process of being pushed and inserted.
Immediately before the recording medium reaches the final insertion position while moving to
An arc-shaped portion that slides until reaching the position, and an end of the arc-shaped portion
The recording medium is inserted last from the position immediately before the above.
The sliding member slides until it reaches the position.
And pressing the sliding portion, and the sliding portion following the slope portion.
A relief portion extending in the sliding direction of the moving member,the above
The sliding member extends horizontally from the upper end of the inclined groove,
The length is longer than the length of the sliding member on the slope part in the sliding direction
The recording medium has a horizontal groove.
The chiller is pushed by the recording medium and rotates in the insertion direction
Being the latch leverSliding partIs the circle of the cam sectionArc
At the end of the sliding part, the spring force of the spring causes the sliding part
The material starts to move in the one direction, and the slope portion slides
Part to rotate the latch lever in the insertion direction by pressing the
Generate power,In addition, the sliding member moves in the one direction.
The latch starts sliding and the slope of the
While moving while pushing, the horizontal groove is
The holder is engaged with the engagement pin, and the holder is inserted into the recording medium.
・ Kept at the eject positionBecause it is composed
The load on the fingertip that presses the recording medium is
What has increased almost proportionally with the inset,
It hardly increases at the stage, as if recorded at the fingertips
Good operation feeling with the feeling that the media is pulled in
Can be obtained. [0055]Moreover, the slope of the sliding member pushes the sliding contact portion.
While the horizontal groove continues to engage with the engaging pin of the holder
And the holder is not lowered and the recording medium is inserted and ejected.
Because it is keptAt your fingertips, as if a recording medium
The feeling of being trapped remains more reliably, and
The feel of operation can be obtained more reliably. Also, the recording medium
If the is a cartridge, the cartridge is completely
Since it is possible to perform the descending operation after entering, the recording medium
Other components such as positioning pins for the front bezel and insertion holes for the front bezel
Insertion operation can be performed without touching

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing a schematic configuration of a magnetic disk drive as one embodiment of a recording medium recording / reproducing apparatus according to the present invention. FIG. 2 is an exploded perspective view showing a cover, a slider, a holder, and a frame in an enlarged manner. FIG. 3 is a view showing a state where a slider and a holder are combined. FIG. 4 is a diagram showing a configuration of a frame. FIG. 5 is an exploded perspective view for explaining a configuration of a latch mechanism. FIG. 6 is a diagram for explaining a shape of a latch lever. FIG. 7 is a diagram for explaining a shape of a slider. FIG. 8 is a perspective view showing a state in which a latch lever is attached to a top plate of the disk holder. FIG. 9 is a perspective view showing a state where a slider is mounted above a latch lever. FIG. 10 is a diagram showing a positional relationship between a disk holder and a slider in a state where the disk cartridge is ejected. FIG. 11 is a view showing a positional relationship between a disk holder and a slider in a state where a disk cartridge is mounted. FIG. 12 is an enlarged view showing a mechanism related to a disk cartridge mounting operation. FIG. 13 is a diagram showing a change in the relationship between the latch lever and the slider with the progress of the disk cartridge insertion operation, and also showing a change in the relationship between the slider and the holder in a corresponding manner. FIG. 14 is a diagram showing a state in which a rotation position of a latch lever, a position of a slider, and a change in a disc cartridge pushing operation force are accompanied by progress of a disc cartridge insertion operation. FIG. 15 is a diagram showing a part of a recording medium recording / reproducing device devised by the present inventors. FIG. 16 is a diagram showing a state in which a rotation position of a latch lever, a position of a slider, and a change in a disc cartridge pushing operation force are accompanied by progress of a disc cartridge insertion operation. DESCRIPTION OF SYMBOLS 11 Disk device 12 Holder 13 Slider 14 Frame 14i Pin 15 Turntable 16, 17 Magnetic head 18 Head carriage 24 Lead screw 25 Drive motor 36 Latch mechanism 38 Latch lever 46 Cam part 47 Arc-shaped part 48 Escape part 60 Slope 61 Horizontal groove

Claims (1)

(57) [Claims] 1. A frame and a recording medium inserted in the frame.
Insertion / ejection position of the recording medium to be inserted and the lower magnetic
Recording medium mounting position that contacts the head and the upper magnetic head.
Between the holder and the holder
The recording medium is inserted into the holder
In the process, it is pushed by the recording medium and turns in the insertion direction
The latch lever is supported by the frame and the
An inclined groove that fits into the engaging pin of the holder;
The latch is released by the rotation of the bar and slides in one direction
Move the holder to the recording medium mounting position.
And the recording medium is inserted into the holder by sliding in the other direction.
A sliding member for returning to the entering / ejecting position, and the sliding portion
A spring for urging the material to move in the one direction.
Recording medium recording / reproducing apparatus, The sliding member is opposed to the rotation range of the latch lever.
Provide a cam part in the part, A sliding part which comes into sliding contact with the cam part at an intermediate part of the latch lever;
Provide a contact, The recording medium is pushed into and inserted into the cam section.
In the process, the sliding portion moves in the rotation direction while the recording medium
Circle that slides until it reaches the position immediately before it reaches the final insertion position
An arc portion and an end of the arc portion, wherein the recording medium is
From the position immediately before the above to the final insertion position, the sliding
Slope part which pushes the above-mentioned sliding contact part by moving member sliding
And extending in the sliding direction of the sliding member following the slope portion.
Having a relief part,The sliding member extends horizontally from the upper end of the inclined groove.
The length of the sliding member on the slope of the cam
Has a horizontal groove longer than the length, When the recording medium is pushed in, the latch lever is
Pressed by the recording medium and rotated in the insertion direction,
Chilever's Sliding partIs the circle of the cam sectionReaches the end of the arc
And the sliding member is moved by the spring force of the spring.
Direction, and the slope part pushes the sliding part
Rotation force to rotate the latch lever in the insertion direction.
LetAnd the sliding member starts moving in the one direction and the
The slope moves while pushing the sliding part of the latch lever.
While the horizontal groove engages with the engaging pin of the holder.
And the holder is at the recording medium insertion / eject position.
Kept in Recording / reproduction of a recording medium characterized by comprising
apparatus.