JPH05298000A - Keyboard device - Google Patents

Abstract

PURPOSE:To improve transportability by thinning the thickness of a device by pushing down a key top when it is not used and to improve operability by securing a sufficient stroke by pushing up the key top when it is used in a keyboard device used in the input of an information processor. CONSTITUTION:This device is comprised in such a way that a restoration spring and a contact depressing spring are formed integrally at a flat spring sheet 21, and the flat spring sheet 21 is slid by a sliding mechanism(eccentric cam 26, stud 21F, suspension sprint 27) linking with the opening/closing of a cover provided with a display device 14, which changes the height of the key top 19.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a keyboard device used for inputting an information processing device, and more particularly to a portable laptop personal computer which is easy to carry and has a strong demand for thinness. The present invention relates to a keyboard device used for computers, word processors and the like.

[0002]

2. Description of the Related Art FIG. 25 is a side sectional view showing a conventional keyboard device, particularly a keyboard using a membrane contact.
Device. In the figure, 1 is a key top having a key plunger 2 at the bottom, 3 is a coiled return spring mounted so as to surround the key plunger 2, and 4 is a key.
A key switch case that supports the top 1 to move up and down,
Reference numeral 5 is a contact pressing spring attached to the spring guide 2A of the key plunger 2, 6 is a movable contact 7 and an array pattern (not shown).
A movable contact film made of a polyester film printed with a conductive ink, 8 is a fixed contact 9 and a fixed contact film made of a polyester film having an arrangement pattern (not shown) printed with a conductive ink is a movable contact film 10. 6 and the fixed contact film 8 are bonded together by an adhesive or the like, and the notch 1 is formed in a portion where the movable contact 7 and the fixed contact 9 face each other.
Spacers 1 and 12 are reinforcing plates provided below the fixed contact film 8.

The contact pressing spring 5 is disposed above the movable contact 7 and the fixed contact 9. Further, the movable contact film 6 provided with the movable contact 7, the fixed contact film 8 provided with the fixed contact 9, and the spacer 10 constitute a membrane contact portion 13.

Next, the operation of the keyboard device having the above construction will be described. First, when the key top 1 is pressed with a finger, the key plunger 2 and the contact pressing spring 5 are lowered.
The contact depressing spring 5 contacts the movable contact film 6 and further bends the movable contact film 6. Therefore, the movable contact 7 contacts the fixed contact 9 of the fixed contact film 8 to open the contact. When the key top 1 is further pushed down, the key plunger 2 descends, but the contact pressing spring 5 contracts without descending because the movable contact 7 and the fixed contact 9 are in contact with each other, and the spring force causes the movable contact film 6 to move. Press. When the finger is released from the key top 1, the key plunger 2 is raised by the return spring 3 and the contact pressing spring 5 is separated from the movable contact film 6. Along with this, the movable contact 7 separates from the fixed contact 9 of the fixed contact film 8, and the contact opens.

By the way, a portable personal computer
Although this type of keyboard device is also used in a data processor and a word processor, there are many demands for making the device itself light and thin because it is portable, and in particular, as shown in FIG. When not in use, a personal computer or the like having a structure in which the display device serves as a lid is required to be thin when stored.

FIG. 27 is a sectional view showing another conventional keyboard device, and FIG. 28 is an exploded perspective view thereof. In the figure, 15 is a key top provided with a sliding pin 15A and claws 15B, 16 is a cup rubber, and 17 is a guide 17A and a key top 15 for supporting the sliding pin 15A of the key top 15 so as to be vertically movable. The key switch base is formed by integrally molding a plurality of key switch parts 17C each of which includes a claw 15B and a clamp part 17B for clamping the claw 15B. Further, the membrane contact portion 13 having the movable contact 7 and the fixed contact 9 and the reinforcing plate 12 are fixed below the key switch base 17 by the set screw 18.

Next, the operation of the keyboard device having the above construction will be described. First, as shown in FIG.
Before pressing down the top 15, the key top 15 is pushed upward by the cup rubber 16 and the claw 15
It is clamped to the key switch unit 17C by B.
At this time, the sliding pin 15A is inserted into the sliding guide 17A by an arbitrary amount. Then, as the key top 15 is pushed, the sliding pin 15A descends along the sliding guide 17A, and when the key top 15 is completely pushed down as shown in FIG. 29, the tip of the sliding pin 15A. Can push down the movable contact 7 of the membrane contact 13 to contact the fixed contact 9 and close the switch. At this time, the amount of movement of the key top 15, that is, the amount of stroke and the amount of movement of the sliding pin 15A are equal. And
When the force for pushing down the key top 15 is removed, the key top 15 becomes the state shown in FIG. 27 and the switch is opened.
In this way, in order for the key top 15 to move satisfactorily, the initial insertion amount of the slide pin 15A and the slide 17A needs to be a certain amount or more.

[0008]

However, when the keyboard device having the above-mentioned structure, particularly the keyboard device shown in FIG. 25, is used in a portable personal computer or a word processor. When the lid was closed, the display device sometimes pushed down the key top. Therefore, while the device is not used, the key top is lowered and the contact pressing spring is pressed, so that the membrane contact is held in a bent state for a long time, and is deformed in time, and even if the pressing of the key top is released. There is a problem in that the contacts are left closed, and because the key top is pushed down by the glass surface of the display device, the glass is scratched by the vibration during transportation.

Further, in the keyboard device shown in FIG. 27, when the total height is simply lowered, the initial insertion amount of the sliding pin and the sliding guide, that is, the initial sliding length can be sufficiently obtained. However, there is a problem in that the stroke amount becomes small and a good feeling of operation cannot be obtained.

According to the present invention, in the display device or the like described above, in a portable personal computer or the like which is housed with a lid, when the lid is housed when not in use, the membrane contact portion is deformed to close the contact. In order to eliminate problems such as leaving it as it is, or having a sufficient stroke amount when the overall height of the keyboard is lowered, the stroke amount decreases when the operation is improved, etc. The key top recovery spring and the contact pressing spring are formed by leaf springs, and the leaf springs can be slid to reduce the height of the keyboard device when the lid is stored. By moving the key switch base including the up and down, it is possible to change the total height of the keyboard and the amount of key stroke, small size and good portability,
Moreover, it is an object of the present invention to provide an excellent keyboard device having a good operational feeling during operation.

[0011]

In the keyboard device according to the present invention, a return spring and a contact pressing spring are integrally formed on a leaf spring sheet, and the leaf spring sheet is slid by a slide mechanism. It changes the height of the key top.

Also, a key switch base including a key top
The height of the key top and the stroke amount are changed by vertically moving the slider by the slide operation of the slide bar.

Further, the keyboard device according to the present invention has a sheet member having a plurality of key contact portions, and a plurality of keys provided on the sheet member corresponding to the points. A switch portion, a cover formed around the sheet member, a lid rotatably provided at one end of the cover and having a protruding pressing member, and a spring for pressing the sheet member upward. The lid is opened and closed to move the sheet member up and down to change the overall height of the keyboard.

[0014]

1 is a partially exploded schematic exploded perspective view showing an embodiment of a keyboard device according to the present invention, FIG. 2 is a sectional view of an essential part of FIG. 1, and FIG. 3 is an essential part of FIG. It is an exploded perspective view of a part. As an example, the case where it is carried out on a portable personal computer or the like is shown. In the figure, reference numeral 19 shows the detailed configuration thereof in FIG. 2, FIG. 3 and FIG.
As shown in, the slide guide 1 having the protrusion 19A and the width W1
9B and a key top having a sliding lever 19C having a retaining claw, 20 is a sliding hole in which the sliding lever 19C slides, as shown in the detailed configuration thereof in FIGS. A switch housing having 20A, a guide hole 20B and a guide boss 20C, and 21 is a detailed configuration thereof shown in FIG.
As shown in FIGS. 3 and 5, the return spring 21A, the contact pressing spring 21B, the guide elongated hole 21C, the slide groove 21D,
A leaf spring sheet having a stopper portion 21E and a stud 21F, 22 is a membrane contact portion having a guide hole 22A as shown in FIG. 3, 23 is a reinforcing plate having a screw hole 23A as shown in FIG. Is a set screw (see FIG. 3), 25 is a rotary shaft which is rotated by opening and closing the lid having the display device 14, 26 is rotated by the rotation of the rotary shaft 25, and a leaf spring seal 27 is provided on the outer peripheral surface thereof by a suspension spring 27. To 21
This is an eccentric cam with which the stud 21F comes into contact.

Next, the assembly and switch operation of the keyboard device having the above construction will be described.

(A) Assembling the device of the keyboard The membrane contact portion 22 is placed on the reinforcing plate 23, and the leaf spring sheet 21 is placed thereon. Then, the switch housing 20 is placed on the leaf spring sheet 21. At this time, the screw hole 23A of the reinforcing plate 23, the membrane contact portion 22
Guide hole 22a, and the elongated guide hole 21 of the leaf spring sheet 21
With C aligned, as shown in FIG. 6, the guide boss 20C of the switch housing 20 is inserted, and the set screw 24 is tightened to integrally fix the switch boss 20C. At this time, the length of the guide boss 20C of the switch housing 20 is equal to the length of the leaf spring sheet 2.
1 and the thickness of the membrane contact portion 22 are slightly longer, there is a slight gap in the up-down direction.
The guide 21 can freely move in the longitudinal direction of the hole by the guide long hole 21C.

Although the screw hole 23A, the guide hole 22A, the elongated guide hole 21C and the guide boss 20C are shown only at one location (see FIG. 6), it goes without saying that a plurality of them are provided.

(B) The operation of the key switch portion, particularly the key top, when the lid having the display device 14 is closed will be described.

First, when the lid having the display device 14 is closed, the rotary shaft 25 rotates and the eccentric cam 26 rotates. The suspension spring 2 is attached to the outer peripheral surface of the small diameter portion of the eccentric cam 26.
7, the stud 21F is forcibly brought into contact, so that the leaf spring sheet 21 slides to the left. Therefore, the contact pressing spring 21b is separated from the membrane contact portion 22 as shown in FIG.

Two projections 19A on the key top 19 are also provided.
(Only one protrusion is shown in FIG. 4)
1A, the slide guide 19B contacts the contact pressing spring 2
It is in contact with 1B. In addition, this slide guide 19B
Width W1 is the width W2 of the slide groove 21D of the return spring 21A.
Slightly smaller (W2>W1> W3). Further, the slide groove 21D of the return spring 21A has a stopper portion 21E whose width is narrowed toward the base, and the display device 1
Since the leaf spring sheet 21 is slid to the left when the lid having 4 is closed, the stopper portion 21E thereof engages with the slide guide 19B of the key top 19 and the key.
The top 19 stops moving upward and can be held in the state of FIG. 7.

(C) The operation of the key switch section, especially the key top when the lid having the display device 14 is opened will be described.

First, when the lid having the display device 14 is opened,
The rotating shaft 25 rotates, and the eccentric cam 26 rotates. On the outer peripheral surface of the large diameter portion of the eccentric cam 26, the spring 27
As a result, the stud 21F is forcibly contacted, and the leaf spring sheet 21 slides to the right. Therefore, the return spring 21A and the contact pressing spring 21B can be returned to the initial state as shown in FIG. In this initial state, when pressing the key top 19 with a finger, an initial pressure is required, and the protrusion 19A of the key top 19 causes the return spring 21 to move.
The return spring 21A is flexed even in the initial state by contacting A.

Then, when the key top 19 is pushed down, as shown in FIG. 8, the projection 19A of the key top 19 bends the return spring 21A, and the contact pushing spring 21B formed integrally with the return spring 21A. The contact can be closed by bending and pressing the membrane contact portion 22. Further, when the key top 19 is pressed down, the return spring 21A and the contact pressing spring 21B are further bent, and although not shown, the key is pressed.
The top 19 and the key housing 20 come into contact with each other and stop.

When the finger is released from the key top 19, the contacts of the membrane contact portion 22 are opened in the reverse order of the above description, and the key top 19 is returned to its original position by the force of the return spring 21A. can do.

Further, when the engaging portion of the key top 19 with the return spring 21A is constructed as shown in FIG. 9, the key top 19 is returned to the return spring 21A at an arbitrary position of the inclination of the return spring 21A.
It becomes possible to press.

FIG. 10 is a perspective view of another embodiment of the keyboard device according to the present invention when applied to a portable personal computer, and FIG. 11 is a partially detailed perspective view thereof. In the figure, 28 is a knob, 29 is a rotary shaft which is rotated by rotating the knob 28, 30 is one end fixed to the rotary shaft 29, and the other end is fixed to the leaf spring sheet 21 to rotate the knob 28. Is a steel belt that is wound around the rotating shaft 29.

In the keyboard device of this construction, the operator rotates the knob 28, whereby the steel belt 30 is wound around the rotary shaft 29 and the leaf spring sheet 21 slides. Therefore, the amount of sliding of the leaf spring sheet 21 depends on the amount of rotation of the knob 28, so that the operation is performed.
The height of the key top 19 can be freely changed by rotating the knob 28 by an arbitrary amount.

Further, when the lid having the display device 14 is closed, the knob 28 can be rotated to reduce the height of the key top 19 by performing the above operation.

In order to prevent the leaf spring sheet 21 from sliding due to vibration during operation, for example, a plurality of protrusions 31 are provided on the side surface of the knob 28, and the protrusions 31 are provided on the case side. Of course, a hole (not shown) that engages with may be provided to stop.

FIG. 12 is a partially broken perspective view of a keyboard device according to another embodiment of the present invention, which is applied to a personal computer or the like, and FIG. 13 is an exploded perspective view of FIG. In the figure, 32 is an upper cover, 33 is a front cover, and 34 and 35 are inclined holes 34A, 34B and 35, respectively.
A, 35B, slide bars having slide grooves 34C and 35C, one end of which is fixed to the front cover 33, 36 is a slide hole 36A and 36B, slide pins 37A to 37D, and a key including the key top 19. A key switch base having a switch section 38 and an auxiliary cover 39, 40 is this key.
A board on which fixing pins 41A and 41B inserted into the sliding holes 36A and 36B of the switch base 36 are fixed, 42
Is a lower cover to which this board 40 can be attached with screws 43.
Is.

FIG. 14 is an exploded perspective view showing the relationship between the slide bars 34 and 35 and the key switch base 36, and FIG. 15 is a partially detailed perspective view thereof. Further, the fixing pins 41A and 41B fixed to the substrate 40
Are inserted into the sliding holes 36A and 36B of the key switch base 36, respectively. Also, slide pins 37A to 37D projecting on both sides of the key switch base 36.
The slanted holes 34 of the slide bars 34 and 35, respectively.
A, 34B and 35A, 35B. Also,
Both sides of the substrate 40 are fitted so as to slide in the slide grooves 34C and 35C of the slide bars 34 and 35, so that the slide bars 34 and 35 can slide. Further, the slanted holes 34A, 34B and 35A, 35B of the slide bars 34, 35 have lower sliding portions 34A1, 34B1 and 35A1, 35 respectively.
B1 and upper sliding portions 34A2, 34B2 and 35A
2, 35B2. Further, 44 is a cup rubber.

Next, the operation of the keyboard device having the above construction will be described with reference to FIGS.

First, (A), referring to FIGS. 16 (A), 16 (B) and 17 for the operation of forcibly pushing down the key top 19 to make the key switch section unused. Explain. Move the front cover 33 to the right (Fig. 16 (A)).
Slide bar 34 and 35,
Since both sides of the substrate 40 are fitted in the sliding grooves 34C and 35C, the sliding operation is performed to the right. Therefore, the inclined holes 34A of the slide bars 34 and 35,
Lower sliding portions 34A1, 3 of 34B and 35A, 35B
4B1 and 35A1, 35B1, key switch base
Slide pins 37A, 37B, 37C and 3 of the slot 36
7D is located. At this time, the key switch base 36 has a fixing pin 41 inserted into the sliding holes 36A and 36B.
This is because it moves downward using A and 41B as guides.

Thus, the key switch base 36 can be positioned downward as shown in FIG. At this time, there is almost no gap between the key switch base 36 and the substrate 40, and even if the key top 19 is pushed down, the sliding pin 19A immediately contacts the membrane contact portion 22 and the key top 19 almost moves. There is no. Moreover, the stroke of the key switch is 1 mm or less, and it cannot be said that the operation feeling is good.

(B) Operation of pushing the key top 19 up to a depressible state so that the key switch portion can be used in FIGS. 18 (A), 18 (B), 19 and 20. Will be described. When the front cover 33 is pulled out to the left (see FIG. 18A), the slide bars 34 and 35 slide to the left because both sides of the substrate 40 are fitted in the slide grooves 34C and 35C. Operate. Therefore, the slanted holes 34A and 34B of the slide bars 34 and 35 and the upper sliding portion 3 of the 35A and 35B.
4A2, 34B2 and 35A2, 35B2 are provided with slide pins 37A, 37B, 37 of the key switch base 36.
C and 37D are located. At this time, the key switch base 36 moves upward using the fixing pins 41A and 41B inserted in the sliding holes 36A and 36B as guides.

Therefore, the key switch base 36 is shown in FIG.
It can be positioned upwards as shown at 9. At this time, the key top 19 is pushed upward by the force of the cup rubber 44. Therefore, as shown in FIG.
When the top 19 is pushed down, the sliding pin 19A moves downward and the membrane contact 22 can be pushed down to close the contact.

In order to increase the front height of the keyboard device by integrally forming the slide portion and the front housing of the keyboard device, it is necessary to pull the front housing toward you. Of course, this front case can be used as an armrest during key operation.

FIG. 21 is an exploded perspective view of a keyboard device according to another embodiment of the present invention, which is applied to a personal computer or the like. Reference numeral 51 is a lid having a plurality of pressing pins 51A on both sides, and 52 is a through hole 52A in which the pressing pins 51A can be inserted when the lid is closed and a key switch base engaging portion 52C. An upper cover 53 having a plurality of sliding holes 52B (only one of which is shown) formed in a V shape.
Is a through hole 52A for the key switch portion 54 and the upper cover.
, A key switch base 55 having a through hole 53A and a supporting portion 53B provided so as to engage with the sliding hole 52B, 55 corresponds to the through hole 52A of the upper cover. The reinforcing plate having the through hole 55A and the recessed portion 55B and the spring portion 55C thus provided is a lower cover 56 having a horizontal positioning pin 56A and a front and rear positioning pin 56B which can be moved up and down by a spring member such as a coil spring.

The operation of the apparatus shown in FIG. 21 will be described below with reference to FIGS. 22 and 23. 22 (A) and 23 (A) are detail views of a main part showing a cross section in the vicinity of the through hole 52A when the lid is opened and closed, FIG. 22 (B), and FIG. 23 (B).
FIG. 22 is a detailed view of an essential part showing a cross section near the key switch unit 54 when the lid is opened and closed. FIGS. 22C and 23C show cross sections near the key switch unit 54 when the lid is opened and closed. FIG. In the figure, in the state where the lid 51 is closed, the push pin 51A provided on the lid 51 is inserted into the through hole 52A, whereby the key switch base 5 is inserted.
3 is pushed down, and further the tip end portion 51A1 of the pushing pin is inserted into the through hole 53A provided in the key switch base 53 to push down the left and right positioning pins 56A.
Here, the key switch base 53 is pressed upward by the spring portion 55C, but its movement is suppressed by the pressing pin 51A. Further, the supporting portions 53B provided on the front and rear end surfaces of the key switch base 53 are inserted into the concave portions 52B and are located at the bottom portions 52C1 thereof as shown in FIG. 22C. Next, a case where the user opens the lid 51 and uses it will be described. By opening the lid fixed by some method, the push pin 51A is lifted upward,
The key switch base 53 is lifted upward by the action of the spring portion 55C. At this time, the key switch
Since the support portion 53B provided on the seat 53 rises along the inner wall of the recess 52B of the upper cover 52, the key switch base 53 also rises while performing the same movement, and is also provided on the lower cover 56. The left and right positioning pins 56A also move upward by a spring member or the like. When the lid is further opened to some extent, the push pin 51A is completely separated from the key switch base 53, and the key switch base 53 is spring portion 55C.
Thus, the support portion 53B further rises until it reaches the upper end 52B2 of the recess 52B. Further, the left and right positioning pins 56A move upward, and the key switch base 5
3 is inserted into the through hole 53A. As a result, the key switch base 53 is supported by the support portion 53B and the upper end 52B2 of the recess in the front-rear direction, and the position is determined by the left-right positioning pin 56A in the left-right direction.
The switch section 53 is in the same state as when it is fixed, and the user
There is no problem even if the device uses the device.

Further, in FIG. 24, the tip 51A1 of the push-down pin 51A provided on the lid 51 is replaced with the key switch base 53.
51A1 is a view showing an operation of inserting the key switch base 53 along the inner wall of the recess 52B when the lid 51 is closed. It has a shape with a different taper. Here, when closing the lid 51 after using the device, first, the left and right positioning pins 56A are moved by the tip end portion 51A1 of the push pin 51A.
Is pressed (FIG. 24 (b)). When the lid 51 is further closed, the taper portion of the tip portion 51A1 contacts the key switch base 53, and the taper portion moves the key switch base 53 to the right ( Figure 24
(C)). By this movement, the support portion 53B provided on the key switch base 53 is removed from the upper end 52B2 of the recess 52B, and the key switch base 52 is pushed down (FIG. 24 (d)). Further, when the lid 51 is opened, the key switch base 52 rises through the opposite assumption.

[0041]

As described above in detail, according to the keyboard device according to the present invention, the key top can be pushed down when it is housed to reduce the thickness of the keyboard. −
Since the top can be lifted and used, the thickness of the device can be thinned during transportation, it is easy to carry, and when using it, it is possible to lift the key or key switch base and secure a sufficient key stroke, so in particular, There is an effect that excellent operability can be realized in the keyboard device of the portable information processing device.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a keyboard device according to the present invention.

FIG. 2 is a cross-sectional view of the main parts of FIG.

FIG. 3 is an exploded perspective view of a main part of FIG.

4 is a detailed perspective view showing the key top of FIG. 1. FIG.

5 is a plan view showing a main part of the leaf spring sheet of FIG. 1. FIG.

6 is a cross-sectional view around the guide boss in FIG.

FIG. 7 is a cross-sectional view showing a state when the key switch unit is stored.

FIG. 8 is a cross-sectional view showing a state during operation of the key switch unit.

9 is a perspective view showing another embodiment of the protrusion of the key top of FIG. 4. FIG.

FIG. 10 is a perspective view of another embodiment of the keyboard device according to the present invention applied to a portable personal computer or the like.

11 is a perspective view showing the leaf spring sheet of FIG. 10 and a slide mechanism thereof.

FIG. 12 is a partially cutaway perspective view of a keyboard device according to still another embodiment of the present invention, which is applied to a personal computer or the like.

FIG. 13 is an exploded perspective view of FIG.

FIG. 14 is an exploded perspective view showing the relationship between the slide bar and the key switch base in FIG.

15 is a partially detailed perspective view of FIG. 14. FIG.

FIG. 16 is a diagram showing a relationship between a slide bar and a key switch base in an unused state.

17 is a cross-sectional view of the key switch portion in FIG.

FIG. 18 is a diagram showing a relationship between a slide bar and a key switch base in a use state.

19 is a cross-sectional view of the key switch portion in FIG.

FIG. 20 is a sectional view showing an operating state of a key switch section.

FIG. 21 is a perspective view of a keyboard device according to still another embodiment of the present invention, which is applied to a personal computer or the like.

FIG. 22 is a detailed view of the essential parts with the lid closed.

FIG. 23 is a detailed view of the main parts with the lid open.

FIG. 24 is a view showing an operation when the tip portion of the push-down pin is inserted into the key switch base.

FIG. 25 is a cross-sectional view showing a conventional keyboard device.

FIG. 26 is a perspective view showing a portable word processor equipped with a conventional keyboard device.

FIG. 27 is a sectional view showing another conventional keyboard device.

28 is an exploded perspective view of FIG. 27. FIG.

FIG. 29 is a cross-sectional view for explaining the operation of FIG. 27.

[Explanation of symbols]

 19 key top 20 switch housing 21 leaf spring sheet 22 membrane contact part 26 eccentric cam 28 knob 30 steel belt 34, 35 slide bar 36 key switch base 40 substrate 44 cup rubber 51A push pin 52B recess 53 key switch face -S 53B support

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Satoshi Sato 1-7-12 Toranomon, Minato-ku, Tokyo Oki Electric Industry Co., Ltd.

Claims (7)

[Claims] 1. A key board device used for inputting to an information processing device, wherein a return spring and a contact pressing spring are integrally formed on a leaf spring sheet, and the leaf spring sheet is slid by a slide mechanism. -A keyboard device that changes the height of the top. 2. The keyboard device according to claim 1, wherein the slide mechanism is interlocked with opening and closing of a lid of the device. 3. The keyboard device according to claim 1, wherein the slide mechanism is interlocked with the rotation of a knob provided in the device, and the height of the keytop can be arbitrarily set by the amount of rotation thereof. 4. In a keyboard device used for input of an information processing device, a key switch base including a key top is attached to a slide bar.
A keyboard device that moves up and down by changing the slide operation to change the overall height and stroke amount of the keyboard. 5. A key board device used for input of an information processing device, comprising: a sheet member having a plurality of key contact portions; and a sheet member provided so as to correspond to the key contact portions. It is composed of a plurality of key switch parts and a cover formed around the sheet member, and the overall height of the keyboard can be changed by moving the sheet member up and down. A keyboard device characterized by the above. 6. A key board device used for input of an information processing device, comprising: a sheet member having a plurality of key contact portions; and slide members projecting from both ends of the sheet member. A plurality of key switch portions provided on the sheet member so as to correspond to the key contact portions, and a cover having a slide groove formed around the sheet member and engaged with the slide member.
A keyboard device characterized in that the overall height of the keyboard can be changed by sliding the slide member to move the seat member up and down. 7. A key board device used for input of an information processing device, comprising: a sheet member having a plurality of key contact portions; and a sheet member provided so as to correspond to the key contact portions. A plurality of key switch parts, a cover formed around the sheet member, and rotatably provided at one end of the cover,
It is composed of a lid having a projecting pressing member and a spring for pushing the sheet member upward. By opening and closing the lid and moving the sheet member up and down, the overall height of the keyboard is changed. A keyboard device characterized in that it is possible.