JP2924484B2 - Flexible disk drive - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to prevent a disk cartridge from being erroneously inserted in a flexible disk device.

[0002]

2. Description of the Related Art FIG. 6 is a perspective view showing a conventional disk cartridge device, FIG. 3 is a perspective view of a flexible disk which can be inserted into and pulled out of a flexible disk device, and FIG.
FIG. 3 is an exploded perspective view of the flexible disk device. In the figure, (1) is a frame that houses the entire mechanism,
(2) is a cartridge holder, (3) is a disk cartridge, (3-1) is a tapered corner provided on the disk cartridge, and (3-2) is a shutter provided to protect the medium portion of the flexible disk. , (3-3) is a notch provided to open the shutter (3-2), (3-4) is a flexible disk, (3-5) is a corner of a disk cartridge, and (4) is a cartridge holder. (5) is a lever attached to the frame and engaged with the guide member (4), (6) is attached to the cartridge holder, and a notch (3- (7) is a carriage body for reading and writing, (7-1) is an arm with a head on the S1 side, (7-2) is a carriage with a head on the S0 side, (8) ) Is attached at both ends to frame (1) and guide member (4) Spring pulling the guide member is, (9) the front panel (10) is a shield for protecting the device.

Next, the operation will be described. 6 and 7, when the disc cartridge (3) is inserted into the apparatus main body from the shutter (3-2) side, the disc cartridge
(3) is guided to a predetermined position by being guided by the cartridge holder (2). At this time, the lever (5) is pushed by the disc cartridge (3) to rotate, and the guide member engaged with the lever (5) is rotated.
(4) is pulled by spring (8) and cartridge holder (2)
Moves up and down. Also at the same time cartridge holder (2)
The lever (6) attached to the disc cartridge (3)
Engages the shutter (3-2) and notch (3-3) of the lever (6)
The shutter (3-2) is opened by the rotation of, and the disc cartridge (3) is mounted at a predetermined position. At this time, since the shutter (3-2) of the disk cartridge (3) is open, the arm (7-1) of the carriage body (7) and the carriage (7-
In 2), the flexible disk (3-4) is sandwiched, and the device becomes operable. However, when the disk cartridge (3) is inserted not in the shutter (3-2) side but in the reverse direction, the disk cartridge (3) comes into contact with the lever (5), and the cartridge holder (2) moves up and down. , Lever (6)
The shutter (3-2) and the notch (3-3)
The shutter (3-2) does not open, and the arm (7-1) and carriage (7
-2) sandwiches the disk cartridge (3).

[0004]

Since the conventional flexible disk drive is constructed as described above, when the disk cartridge is reversely inserted, the arm and the carriage sandwich the disk cartridge instead of the flexible disk. In such a case, an excessive force is applied to the carriage, which causes damage to the heads mounted on the respective carriages.

[0005] The present invention has been made to solve the above problems, it is normally mounted disk cartridge is in the positive direction, the insertion in the opposite direction is prevented, thereby preventing the occurrence of the failure in advance Affects the width direction of the device
It is an object of the present invention to obtain a flexible disk device that does not affect the operation.

[0006]

In the flexible disk drive according to the present invention, the base of an elastic metal wire bent in the shape of a crank is formed on a cut and raised piece on the upper surface of a cartridge holder for accommodating a disk cartridge in the apparatus. By engaging the end of the elastic metal wire and bending the tip of the elastic metal wire to form a cut-and-raised portion on the upper surface of the upper side of the cartridge holder .
Through the cut-out window provided only on the top of the cartridge holder.
When the disk cartridge is reversely inserted, the distal end of the elastic metal wire elastically contacts the end surface of the disk cartridge to prevent the disk cartridge from being inserted. At the time of insertion, the elastic metal wire resiliently contacts the tapered corner of the disk cartridge , and the elastic metal wire is inclined by the mutual inclination.
The main configuration is that the distal end of the metal wire is guided by the cut-and-raised portion and displaced toward the upper surface side of the cartridge holder, and has an insertion permitting function for permitting insertion of the disk cartridge.

[0007]

According to the flexible disk drive of the present invention, when the disk cartridge is inserted by mistake and
Since the distal end of the elastic metal wire resiliently contacts the end surface of the disk cartridge, its insertion is prevented, so that the cartridge holder does not move up and down. When the disc cartridge is inserted correctly, the elastic metal wire resiliently contacts the tapered corner of the disc cartridge and tilts each other.
The tip of the elastic metal wire is guided by the cut and raised part ,
Since the disk cartridge is displaced in the normal direction of the disk cartridge, that is, toward the upper surface of the cartridge holder, insertion of the disk cartridge is permitted.

[0008]

1 to 5 show an embodiment of the present invention.
Will be described. 6 and 7 showing the prior art.
The same parts as those described above are denoted by the same reference numerals and description thereof will be omitted. In the figure, (2-1) is a cartridge holder having a storage portion, (11) is bent in a crank shape by an elastic metal wire, and the base end (11-1) is further bent in an L shape, and the cartridge holder is formed. (2-1) The cut-and-raised pieces (2-1a), (2-1b), and (2-1c) on the upper surface are engaged. (2-1d) is the top of the cartridge holder
A cutout window hole provided only on the upper surface by providing a cut-and-raised portion (2-1e) . The distal end (11-2) of the elastic metal wire (11) is bent to project obliquely downward at an acute angle to the side surface in a direction perpendicular to the insertion direction of the disk cartridge (3), and a bent end portion is formed.
(11-3) is formed, and when the disc cartridge (3) is not inserted, the elastic metal wire (11) is constantly pressed against the upper surface of the cartridge holder (2) by elasticity , and
A bent portion (11-3) is arranged in the cartridge holder (2) .

The projecting angle, projecting depth and the like of the elastic metal wire (11) are appropriately adjusted so as to exhibit the reverse insertion preventing function and the insertion allowing function described below. As shown in FIG.
When the disc cartridge (3) is inserted in the opposite direction, the elastic metal wire (1) engaged with the cartridge holder (2-1)
Since the end face of the disk cartridge (3) elastically abuts on the bent front end portion (11-3) of ( 1), insertion thereof is prevented. Also, as shown in FIG. 5, when the disk cartridge (3) is inserted in the correct direction, the ends of the elastic metal wires resiliently contact the tapered corners (3-1) of the disk cartridge, so that they are mutually reciprocated.
Due to the inclination, the tip of the elastic metal wire is guided to the cut-and-raised portion (2-1e) and is displaced in the direction of the insertion and the normal to the disk cartridge (3), that is, in the upper surface side of the cartridge holder. The disk cartridge (3) can be inserted up to a predetermined position. In addition, eject the disc cartridge (3).
When protruding, the tip of the elastic metal wire is cut and raised (2-1e)
To the top of the cartridge holder.
It returns into the cartridge holder without such. In addition,
In this embodiment, the horizontal end (11-4) of the elastic metal wire is
It protrudes from the side of the cartridge holder (2).
Even if it does not protrude from the side of the cartridge holder (2),
Various effects can be achieved. In that case, the cartridge
Not having to cut out the side of the holder (2)
Is clear.

As described above, since the bent end portion of the elastic metal wire (11) escapes to the upper surface side of the cartridge holder ,
It can be applied sufficiently even when there is a limitation in the width direction of the drive, and the notch window (2-1d) of the cartridge holder can be set small, which is effective in maintaining the strength of the cartridge holder (2-1). .

[0011]

As described above, according to the present invention, the digital
Cartridge for storing the disk cartridge in the device.
It was bent into a crank shape on the cut and raised piece on the top of the holder
The base end of the elastic metal wire is engaged, and the distal end of the elastic metal wire is bent so as to project obliquely downward from the cutout window hole of the cartridge holder. A reverse insertion prevention function for preventing insertion of the wire rod by elastically contacting the tip thereof, and for correct insertion of the disc cartridge, the elastic metal wire rod is guided by the tapered corner portion so that the cartridge holder can be inserted .
The disk cartridge can be properly inserted in the forward direction and inserted in the reverse direction, and the head can be prevented from being damaged beforehand. it can. Also in the drive
Even if there is a limitation in the width direction, it is possible to respond sufficiently
Notch window hole of cartridge holder can be set small
This is also effective in maintaining the strength of the cartridge holder.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a flexible disk drive according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a flexible disk device according to one embodiment of the present invention.

FIG. 3 is a perspective view of a disk cartridge.

FIG. 4 is an enlarged perspective view showing a state where a disk cartridge is reversely inserted into the apparatus shown in FIG. 2;

FIG. 5 is an enlarged perspective view showing a state where a disk cartridge is inserted in a normal direction into the apparatus of FIG. 2;

FIG. 6 is a perspective view showing a conventional example of a flexible disk device.

FIG. 7 is an exploded perspective view showing a conventional example of a flexible disk device.

[Explanation of symbols]

1 frame , 2-1 cartridge holder having a storage section , 2-1a cut-and-raised piece , 2-1b cut-and-raised piece , 2
-1c Cut and raised piece , 2-1d Notch window hole , 2-1e cut
Rising portion, disk cartridge , 3-1 taper corner , 3-2 shutter , 3-3 notch , 3-4 flexible disk , 3-5 corner , 4 guide member , 5
Lever , 6 lever , 7 carriage body , 8 spring ,
9 panel , 10 shield , 11 metal wire , 11-
1 Base end of metal wire , 11-2 End of metal wire , 11-
3 Tip bent portion, 11-4 Tip horizontal portion.

Claims (1)

(57) [Claims] 1. A base end of an elastic metal wire bent in a crank shape is engaged with a cut-and-raised piece on an upper surface of a cartridge holder for accommodating a disk cartridge in an apparatus, and a distal end of the elastic metal wire is bent. By bending and providing a cut-and-raised part on the upper side of the upper side of the cartridge holder ,
Only the notch windows provided in the cartridge holder
When the disk cartridge is reversely inserted, the distal end of the elastic metal wire elastically contacts the end surface of the disk cartridge to prevent the disk cartridge from being inserted. At this time, the elastic metal wire resiliently contacts the tapered corner portion of the disc cartridge , and the elastic metal wire is inclined by the mutual inclination.
A flexible disk device having an insertion permitting function of permitting the distal end to be displaced toward the upper surface side of the cartridge holder by being guided by the cut-and-raised portion and permitting insertion of the disk cartridge.