JPH04126365U - floppy disk device - Google Patents

Abstract

(57) [Summary] [Purpose] The purpose is to obtain a structure that realizes a thinner floppy disk device without substantially reducing the area where electronic components can be mounted on a circuit board. [Configuration] A head carriage 9 mounted with heads 5 and 6 and driven by a VCM (voice coil motor),
A floppy disk device having a circuit board 8 on its upper part and an eject button 10 is provided with a lever 11 that moves a head carriage 9 to a predetermined position in conjunction with the eject button 10.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a floppy disk device.

0002

[Conventional technology]

As is well known, a floppy disk device (hereinafter referred to as FDD) has a removable recording medium. Since it is an information recording device, it is not possible to insert or eject a floppy disk (hereinafter referred to as FD). Outings occur frequently. Furthermore, as shown in FIG. 6, the FD 1 is housed in a protective jacket 2. A pair of read/write heads 5 and 6 (hereinafter simply referred to as heads) are connected to the access hole 3, Reading/writing is performed by inserting it into FD 4 and bringing it into contact with FD1. Therefore, when inserting/ejecting the FDl, the read/write heads 5 and 6 are attached to the jacket. To avoid damage by It is necessary to expand the thickness to be larger than the thickness t of the jacket 2. Normally, as shown in Fig. 7, when the jacket 2 is lifted more than t/2 in the direction a, Lift the head arm 7 to which the head 5 is attached in the direction a to the above thickness t or more. The head is evacuated by doing this.

0003

[Problem that the idea aims to solve]

The head evacuation operation described above meets the recent demand for thinner FDDs. This is a direct impediment to achieving this goal. In other words, the above evacuation operation is not necessary. Although it is unavoidable, the space for performing evacuation operations is limited to the size of the FD as shown in Figure 7. It is not used at any time other than during insertion and ejection. Figures 8 and 9 show examples of reducing the evacuation space and making the FDD thinner. There is something to show. This is because the head is raised up within the movable range of the head carriage 9. The circuit board 8 extends over a length L where the head arm 7 interferes with the circuit board 8 provided above. As shown in the figure, it is cut out or provided with a through hole 8a. However, according to this method, the surface on which electronic components can be mounted on the circuit board 8 It has the disadvantage of reducing the product. Therefore, the purpose of this invention is to find a means to alleviate this drawback. Ru.

0004

[Means to solve the problem]

This idea was made to solve the above problem, and the disc ejection adjustment was A means is provided to move the head carriage to a specific position in conjunction with the effect button. It is something.

[Effect]

In the conventional method shown in FIGS. 8 and 9, the position of the head carriage 9 is This design also prevents the head arm 9 from interfering with the circuit board 8. According to , when the eject button is operated, the head carriage moves to a specific position. Therefore, the size of the notch or hole provided in the circuit board 8 should be reduced. Therefore, the area in which electronic components can be mounted can be increased accordingly.

[0005]

【Example】

Figure 1 shows this idea in which the head carriage is driven by a VCM (voice coil motor). Fig. 2 shows the first embodiment when applied to a moving linear motor type FDD. A plan view of the circuit board 8, showing the head carriage interlocking with the eject button 10. A lever 11 for pushing the lever 9 is provided. According to this structure, when the eject button 10 is operated, the head carriage 9 is pushed by the lever 11 and retreats to the rear (to the right in the figure). In this case, In connection with the pressing operation of the effect button 10, a mechanism (not shown) similar to the conventional device is used. Lift jacket 2, lift head arm 7, and eject jacket 2. will be carried out. After the jacket 2 is ejected, it is latched by a mechanism (not shown) and the jacket is ejected again. The latch will not be released until 2 is inserted. FIG. 3 shows that the movable range of the edge carriage 9 is limited to the pressing area of the eject button 10. This shows a second embodiment when the stroke is large compared to the stroke, and the link 12 is moved to the lever 1. 1 and the head carriage 9, and has a stroke that pushes back the head carriage 9. The desired function is realized by enlarging it. Figure 4 shows a third embodiment of this invention, in which the electrical contacts are connected to the eject button. This is the case where it is used as 10'. That is, the positioner is activated via the control unit 13 by the eject button 10'. actuator 14 and other drive mechanisms 15 (head arm lifter and disc The device is configured to control the queujector. In addition, P is attached to the control unit. The sensor 16 is connected, and the head carriage 9 is at P. Is it located in It is possible to detect whether When the eject button 10' is pressed, the jacket is removed according to the sequence shown in Figure 5. Cut 2 is discharged.

[0006]

[Effect of the idea]

As mentioned above, when the jacket 2 is inserted and ejected, the head carriage By positioning the screw 9 at a specific position, a cutout or transparent hole in the circuit board 8 is formed. It is possible to minimize the hole 8a, almost reducing the area where electronic components can be mounted. Therefore, it is possible to realize a thinner FDD without increasing the thickness of the FDD.

[Brief explanation of drawings]

FIG. 1 is a side view of a first embodiment of the invention.

FIG. 2 is a plan view of a circuit board in the first embodiment.

FIG. 3 is a plan view of a second embodiment of the invention.

FIG. 4 is a block diagram of a third embodiment of the invention.

FIG. 5 is a flowchart showing the operation procedure of the third embodiment.

FIG. 6 is a sectional view of a floppy disk in a known jacket.

FIG. 7 is a side view showing the configuration of main parts of a conventional device.

FIG. 8 is a side view showing the configuration of main parts of an improved conventional device.

9 is a plan view of the circuit board of the conventional device shown in FIG. 8. FIG.

[Explanation of symbols]

1 Floppy disk (FD) 2 jacket 3,4 Access hole 5,6 Read/Write head 7 Head arm 8 Circuit board 9 Head carriage 10,10’ eject button 11 Lever 12 Links 13 Control section 14 Positioner actuator 15 Drive mechanism 16 P. sensor

Claims (1)

[Scope of utility model registration request] 1. A floppy disk device comprising means for moving a head carriage to a specific position in conjunction with an eject button for ejecting the disk.