Key for the keyboard device

Abstract

To provide a key of a keyboard device in which fitting positions of wooden boards can easily be adjusted, a gap between a key body and the wooden boards is not generated and an appearance due to squeeze-out of an adhesive is not damaged.SOLUTION: A key of a keyboard device includes: a key body 2 which extends in a cross direction by a prescribed length and has an upper surface part 4 and side face parts 5; and wooden boards 3 which are fitted along a part of the side face parts 5. Upper projections 6 which extend along ends, are continuously formed with the upper surface part 4 and project laterally than the side face parts 5 are formed at ends of the side face parts 5 side of the upper surface part 4. Lower support projections 7 which project laterally and are confronted with the upper projections 6 are formed near lower ends of the side face parts 5. Upper faces of the lower support projections 7 become inclined faces S inclining downward toward a tip side. The wooden boards 3 are provided so that upper end faces abut on lower faces of the upper projections 6 and are held between the upper projections 6 and the lower support projections 7.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] The present invention relates to keys of a keyboard device applied to keyboard instruments such as electronic pianos, and particularly to keys of a keyboard device to which a wooden plate is attached to the side surface.

Background Art

[0002] Conventionally, in order to impart a wooden texture to keys at a low cost, keys of a keyboard device in which a wooden material is attached to the side surface of a resin key body are known. For example, in Patent Document 1, a key structure including a resin key base body integrally formed with an upper part, a lower part, and a connecting part connecting these, and a wooden material provided in a recess between the upper and lower parts of the key base body is disclosed.

[0003] Further, in Patent Document 2, keys of a keyboard device including a resin base member formed in a box shape with an open lower surface side and a pair of rectangular plate-shaped wooden members disposed on each of the left and right side surfaces of the base member are disclosed.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0005] The key structure described in Patent Document 1 has a recess formed by the upper part, lower part, and connecting part of the key base body, extending almost the entire length of the key base body in the front-to-back direction. A piece of wood is fitted into this recess with almost no gap, resulting in a very small gap between the recess of the key base body and the piece of wood. Therefore, when using adhesive to bond the piece of wood to the recess, excess adhesive may seep out and harden outside the recess, which can impair the appearance and, in some cases, cause interference with adjacent keys, potentially hindering playability.

[0006] Furthermore, to avoid these problems, it is possible to use a piece of wood smaller than the dimensions of the recess in the key base to reduce the possibility of adhesive seeping out. However, in this case, a gap may form between the recess and the piece of wood, potentially detracting from the aesthetic appearance of the key.

[0007] In the case of the keyboard key described in Patent Document 2, the lower side of the wooden material is open, allowing excess adhesive to escape to the lower side of the wooden material, thus reducing the risk of the adhesive overflowing and impairing the aesthetics. On the other hand, in the case of this keyboard key, unlike the key structure described in Patent Document 1, in which the wooden material is fitted into a recess on the side of the key structure, the mounting position of the wooden material is not automatically determined, so when the wooden material is attached, a gap may form between the base member and the wooden material, which may impair the aesthetics.

[0008] In particular, the upper part of the key's side is a visible area when an adjacent key is pressed, so it is necessary to bond the base material and the wood material tightly together, ensuring that there are no gaps at the top of the key's side. This requires precise positioning of the wood material and a further process of pressing the wood material against the base material after positioning, which has increased the difficulty and number of steps in manufacturing, and consequently, the cost.

[0009] The present invention was made to solve the above-mentioned problems, and aims to provide a keyboard key that allows for easy adjustment of the mounting position of the wooden plate on the key body, does not impair the aesthetics due to a gap between the key body and the wooden plate, and does not cause interference with adjacent keys or impair the aesthetics even if excess adhesive seeps out. [Means for solving the problem]

[0010] To achieve the above objective, the key for the keyboard device according to claim 1 is a key for a keyboard device comprising: a key body 2 having an upper surface portion 4 and a side portion 5 extending in the longitudinal direction for a predetermined length in the front-rear direction; and one or more wooden plates 3 attached along at least a part of the side portion 5, wherein an upper projection 6 is formed at the end of the upper surface portion 4 on the side portion 5 side, extending along the end and formed continuously with the upper surface portion 4, and projecting laterally from the side portion 5; a lower support projection 7 is formed near the lower end of the side portion 5, projecting laterally from the key body 2 and facing the upper projection 6; the upper surface of the lower support projection 7 is an inclined surface S that slopes downward toward the tip; and one or more wooden plates 3 are arranged so that their upper end surfaces abut against the lower surface 6a of the upper projection 6 and are held between the upper projection 6 and the lower support projection 7.

[0011] With this configuration, the wooden plate is supported by being sandwiched between an upper projection formed along the side edge of the upper surface of the key body and a lower support projection formed near the lower end of the side. As a result, there is no gap between the key body and the wooden plate near the upper end of the side of the key, which is easily visible when pressing an adjacent key, thus preserving the aesthetic appearance.

[0012] Furthermore, since the upper surface of the lower support projection is an inclined surface that slopes downward towards the tip, when attaching the wooden plate to the key body, by placing the lower end of the wooden plate on the tip side of this inclined surface and pressing the wooden plate toward the side of the key body, the lower end of the wooden plate slides upward from the tip side to the base side of the inclined surface, causing the upper end surface of the wooden plate to come into contact with the lower surface of the upper projection. In this way, by using the inclined surface of the lower support projection as a guide when attaching the wooden plate, the key body and the wooden plate can be easily brought into close contact. Therefore, the attachment position of the wooden plate relative to the key body can be easily adjusted.

[0013] Furthermore, the upper surface of the lower support projection is an inclined surface that slopes downward towards the tip. As a result, the base end of the inclined surface of the lower support projection contacts the wooden plate to support it, while the tip end of the inclined surface is open and does not contact the wooden plate. This allows excess adhesive to flow down the inclined surface into the open space at the tip of the inclined surface when the wooden plate is bonded to the key body using adhesive. Adhesive that spills out below the wooden plate does not pose a risk of interfering with adjacent keys. In addition, the area below the wooden plate is not exposed to the outside even when adjacent keys are pressed, thus preventing the aesthetic appearance from being compromised by spilled adhesive.

[0014] The invention according to claim 2 is characterized in that, in the key of the keyboard device described in claim 1, the height dimension of one or more wooden plates 3 is substantially the same as the length dimension L1 from the lower surface 6a of the upper projection to the base end 7a of the lower support projection 7.

[0015] With this configuration, the height dimension of the wooden plate is approximately the same as the length dimension from the lower surface of the upper protrusion to the base end of the lower support projection. Therefore, when attaching the wooden plate to the key body, using the inclined surface of the lower support projection as a guide, the wooden plate is pressed toward the side of the key body by sliding its lower end along the inclined surface. At the point where the lower end of the wooden plate reaches the base end of the inclined surface, the upper surface of the wooden plate comes into contact with the lower surface of the upper protrusion, resulting in a tight fit. Consequently, adjusting the mounting position of the wooden plate relative to the key body becomes even easier.

[0016] The invention according to claim 3 is characterized in that, in the key of the keyboard device described in claim 1, the tip of the lower support projection 7 protrudes laterally more than the tip of the upper projection 6.

[0017] With this configuration, the tip of the lower support projection protrudes laterally more than the tip of the upper projection, so when attaching the wooden plate to the key body, the lower end of the wooden plate can be easily placed on the inclined surface of the lower support projection. Therefore, the convenience of the inclined surface of the lower support projection as a guide when attaching the wooden plate is further improved.

[0018] The invention according to claim 4 is a key for a keyboard device described in claim 1, characterized in that a plurality of lower support projections 7 are formed on the side surface 5 of the key body 2.

[0019] With this configuration, multiple lower support protrusions are formed near the lower end of the side surface of the key body. This allows for more stable guidance of the lower end of the wooden plate when attaching it to the key body, and also provides more stable support for the positioned wooden plate. Therefore, it is possible to more effectively prevent a gap from forming between the key body and the wooden plate near the upper end of the side surface of the key.

[0020] The invention according to claim 5 is a key for a keyboard device as described in claim 1, wherein the key body 2 further has a front portion 8 provided so as to be in contact with the front end of the upper portion 4 and the front end of the side portion 5, a front projection 9 is formed at the side portion end of the front portion 8, extending along the end and formed continuously with the front portion 8 and projecting laterally from the side portion 5, a rear support projection 10 is formed near the rear end of the side portion 5, projecting laterally from the key body 2 and facing the front projection 9, the front surface of the rear support projection 10 is an inclined surface that slopes backward as it approaches the tip, and one or more wooden boards 3 are arranged so that their front end surfaces are in contact with the rear surface of the front projection 9 and are held between the front projection 9 and the rear support projection 10.

[0021] In this configuration, the wooden panel is supported not only by being sandwiched from above by the upper protrusion and the lower support projection, but also by being sandwiched in the front-to-back direction by the front protrusion and the rear support projection. Therefore, even near the front end of the side of the key, which is easily visible when pressing an adjacent key, no gap is created between the key body and the wooden panel, further preventing any deterioration in aesthetics.

[0022] Furthermore, since the front surface of the rear support projection is an inclined surface that slopes backward towards the front end, when attaching the wooden plate to the key body, by placing the rear end of the wooden plate on the front end of this inclined surface and pressing the wooden plate toward the side of the key body, the rear end of the wooden plate slides forward from the front end of the inclined surface toward the base end, causing the front end surface of the wooden plate to come into contact with the rear surface of the front projection. In this way, in addition to the inclined surface of the lower support projection, the inclined surface of the rear support projection can also be used as a guide when attaching the wooden plate, making it even easier to achieve a tight fit between the key body and the wooden plate. Therefore, adjusting the attachment position of the wooden plate relative to the key body becomes even easier.

[0023] The key for the keyboard device according to claim 6 is a key 1 for a keyboard device having a key body 2 that extends a predetermined length in the front-rear direction and has an upper surface portion 4, a side portion 5 that extends in the longitudinal direction, and a front portion 8 that is provided so as to be in contact with the front end of the upper surface portion 4 and the front end of the side portion 5, and one or more wooden plates 3 that are attached along at least a part of the side portion 5, wherein a front projection 9 is formed at the end of the front portion 8 on the side portion side, extending along the end and being formed continuously with the front portion 8, and projecting laterally from the side portion 5, and a rear support projection 10 is formed near the rear end of the side portion 5, projecting laterally from the key body 2 and facing the front projection 9, the front surface of the rear support projection 10 is an inclined surface that slopes backward as it approaches the tip, and one or more wooden plates 3 are arranged so that their front end surfaces are in contact with the rear surface of the front projection 9, and are held between the front projection 9 and the rear support projection 10.

[0024] According to this configuration, the wooden plate is supported so as to be sandwiched front and back by the front protruding portion formed along the end portion on the side surface portion side of the front surface portion of the key body and the rear support protrusion formed in the vicinity of the rear end portion of the side surface portion. Therefore, a gap does not occur between the key body and the wooden plate in the vicinity of the front end portion of the side surface of the key that is easily visible when the adjacent key is pressed, and the aesthetic appearance is not impaired.

[0025] Further, since the front surface of the rear support protrusion is an inclined surface that inclines backward toward the tip side, when attaching the wooden plate to the key body, with the rear end portion of the wooden plate placed on the tip side of this inclined surface, the wooden plate is pressed against the side surface of the key body. As a result, the rear end portion of the wooden plate slides from the tip side to the base end side of the inclined surface and moves forward, whereby the front end surface of the wooden plate abuts against the rear surface of the front protruding portion. By using the inclined surface of the rear support protrusion as a guide when attaching the wooden plate in this way, the key body and the wooden plate can be easily brought into close contact. Therefore, it is easy to adjust the attachment position of the wooden plate with respect to the key body.

Brief Description of the Drawings

[0026] [Figure 1] It is a perspective view showing the key body of the white key to which the present invention is applied and the wooden plate attached to its side surface portion. [Figure 2] It is a perspective view showing the key body with the wooden plate attached. [Figure 3] It is a cross-sectional view taken along the line B-B of FIG. 2. [Figure 4] It is a diagram for explaining the procedure for attaching the wooden plate to the key body. [Figure 5] It is a diagram showing a modified example of the lower support protrusion of the key body.

Embodiments for Carrying Out the Invention

[0027] Preferred embodiments of the present invention will be described in detail below with reference to the drawings. The configuration described below is an example (representative example) of the present invention, and the present invention is not limited thereto. In this specification, the forward direction refers to direction X1 in the drawings, and the backward direction refers to direction X2 in the drawings. The right direction refers to direction Y1 in the drawings, and the left direction refers to direction Y2 in the drawings. The upward direction refers to direction Z1 in the drawings, and the downward direction refers to direction Z2 in the drawings.

[0028] Figure 1 shows the key body 2 and a wooden plate 3 attached to its side in a keyboard device key 1 according to one embodiment of the present invention, and Figure 2 shows the key body 2 with the wooden plate 3 attached. As shown in these figures, this key 1 is a white key used in the keyboard device of a keyboard instrument such as an electronic piano, and together with black keys (not shown), a large number (for example, 88 keys) are arranged in a left-right direction to constitute the keyboard device. In this embodiment, an example of applying the present invention to white keys is described, but a similar structure may be applied to black keys as well.

[0029] Key 1 comprises a key body 2 extending in the front-to-back direction and a wooden plate 3 attached to the side of the key body 2. The key body 2 is made of a predetermined type of synthetic resin (for example, AS resin) and is composed of a molded product of a predetermined shape that extends in the front-to-back direction. In this embodiment, key 1 is a white key as described above, for example, a D key (a key for the note D).

[0030] The key body 2 comprises a horizontal top surface 4, left and right side surfaces 5, 5 (see Figure 3) that hang downward from both ends of the top surface 4, and a front surface 8 provided at the front ends of the top surface 4 and the left and right side surfaces 5, 5. The key body 2 also has a configuration consisting of a wide section 2a adjacent to another white key and a narrow section 2b adjacent to a black key, with wooden plates 3 attached to the left and right side surfaces 5, 5 of the wide section 2a and the narrow section 2b, respectively.

[0031] Upper projections 6 are formed at both the left and right ends of the upper surface 4 of the key body 2, projecting laterally beyond the left and right side surfaces 5, 5. In this embodiment, the upper projections 6 are provided at the left and right ends of the wide section 2a and the narrow section 2b, respectively. The upper projections 6 are formed continuously with the upper surface 4 and extend long in the front-rear direction along the left and right ends of the upper surface 4. The upper projections 6 are for regulating the position of the upper end of the wooden board 3 attached to the side surfaces 5, 5, and the upper end surface of the wooden board 3 is attached so as to abut the upper projections 6 with almost no gap along its entire length.

[0032] Near the lower end of the key body 2, multiple lower support projections 7 are formed, projecting laterally from the key body 2 and facing the upper projection 6. The lower support projections 7 are for regulating the position of the lower end of the wooden plate 3 attached to the key body 2, and the lower end of the wooden plate 3 is partially supported by the multiple lower support projections 7.

[0033] Furthermore, front projections 9 are formed at both the left and right ends of the front portion 8 of the key body 2, projecting laterally beyond the left and right side portions 5, 5. The front projections 9 are formed continuously with the front portion 8 and extend vertically along the left and right ends of the front portion 8. The front projections 9 are intended to regulate the position of the front end of the wooden plate 3 attached to the side portions 5, 5, and the front end surface of the wooden plate 3 is attached so as to be in almost complete contact with the front projections 9 along its entire length.

[0034] Furthermore, near the rear ends of the side portions 5, 5 of the wide portion 2a and near the rear ends of the side portions 5, 5 of the narrow portion 2b, rear support projections 10 are formed that protrude laterally from the key body 2 and face the front projection 9. The rear support projections 10 are for regulating the position of the rear end of the wooden plate 3 attached to the key body 2, and the rear end of the wooden plate 3 is partially supported by the rear support projections 10.

[0035] As the wood-based board 3, in addition to wood, wood-grain decorative boards, plywood, medium-density fiberboard (MDF), and other wood-based materials can be used. In this embodiment, soft wood with a specific gravity of 0.5 or less is used as the wood-based board 3. Examples of such wood include spruce and certain tropical hardwoods.

[0036] Figure 3 is a cross-sectional view along line BB in Figure 2. As shown in the figure, the thickness of the wooden board 3 is made to be approximately the same as the lateral projection length L2 of the upper projection 6. In this way, the upper projection 53 and the wooden board 52 are almost flush on the side of the key 1, giving the appearance of the key 1 when viewed from the side an aesthetic appearance similar to that of a wooden key. The thickness of the wooden board 3 can be set arbitrarily according to the design, but in this embodiment, it is set to approximately 2 mm in consideration of the balance between the strength of the wooden board 3, the ease of attachment to the key body 2, and cost.

[0037] The lower surface 6a of the upper projection 6 is approximately parallel to the push-key surface of the upper surface 4. On the other hand, the upper surface of the lower support projection 7 is an inclined surface S that slopes downward towards the tip (the end furthest from the side surface 5). The inclined surface S of the lower support projection 7 functions as a guide when attaching the wooden plate 3 to the side surface 5 of the key body 2, making it easy to adjust the mounting position of the wooden plate 3.

[0038] Figure 4 shows the procedure for attaching the wooden board 3 to the side section 5. The wooden board 3 is attached after applying adhesive to either the wooden board 3 or the mounting surface of the side section 5 to the wooden board 3. When attaching, first the lower end of the wooden board 3 is placed on the inclined surface S. At this time, the upper end of the wooden board 3 is tilted toward the side section 5 and leans against the upper part of the side section 5. As shown in Figure 3, the protruding length L3 of the lower support projection 7 is longer than the protruding length L2 of the upper projection 6. That is, the tip of the lower support projection 7 protrudes laterally more than the tip of the upper projection 6. This configuration makes it easy to place the lower end of the wooden board 3 on the inclined surface S.

[0039] When the lower end of the wooden board 3 is placed on the inclined surface S and the upper end is leaned against the side portion 5, and the wooden board 3 is pushed toward the side portion 5, the lower end of the wooden board 3 slides upward from the tip side of the inclined surface S toward the base end (the end closer to the side portion 5) and reaches a position where it contacts the base end 7a (the position shown by the dashed line in Figure 4).

[0040] In this embodiment, the height dimension of the wooden board 3 is configured to be approximately the same as the length dimension L1 from the lower surface 6a of the upper projection 6 to the base end 7a of the lower support projection 7. Therefore, when the lower end of the wooden board 3 reaches the position where it contacts the base end 7a, the upper end surface of the wooden board 3 reaches a position where it is in close contact with the lower surface 6a of the upper projection 6.

[0041] In this way, according to key 1 of this embodiment, the inclined surface S of the lower support projection 7 can be used as a guide when attaching the wooden board 3, so that the wooden board 3 can be guided to the correct attachment position simply by pushing the wooden board 3, with its lower end resting on the inclined surface S, toward the side portion 5.

[0042] In particular, the tip of the lower support projection 7 protrudes laterally longer than the tip of the upper projection 6, making it easier to place the lower end of the wooden board 3 on it, thus providing high convenience as a guide.

[0043] Furthermore, since the height dimension of the wooden board 3 is approximately the same as the length dimension L1 from the lower surface 6a of the upper protrusion 6 to the base end 7a of the lower support projection 7, when the lower end of the wooden board 3, which is pushed toward the side portion 5, reaches the base end 7a of the inclined surface S of the lower support projection 7 and stops, the upper end surface of the wooden board 3 comes into contact with the lower surface 6a of the upper protrusion 6, allowing the wooden board 3 to be tightly attached to the lower protrusion 6 without any gaps. In this way, positioning and attachment of the wooden board 3 to the key body 2 can be easily performed.

[0044] In this embodiment, the tip of the lower support projection 7 protrudes laterally longer than the tip of the upper projection 6 in the key 1. However, since the lower part of the wooden plate is not visible during normal use of the keyboard instrument, the protruding lower support projection 7 does not detract from the aesthetics.

[0045] Furthermore, because the upper surface of the lower support projection 7 is an inclined surface S, when the wooden plate 3 is attached to the key body 2, the base end 7a of the lower support projection 7 contacts the wooden plate 3 to support it, while the tip end of the inclined surface S is open and does not contact the wooden plate 3. The gap formed between the wooden plate 3 and the lower support projection 7 on the tip end of this inclined surface S functions as a space for excess adhesive used to bond the wooden plate 3 to escape. In other words, when bonding the wooden plate 3, excess adhesive can flow down the inclined surface S into the space on the tip end of the lower support projection 7. Adhesive that spills out below the wooden plate 3 does not pose a risk of interference with adjacent keys, and as mentioned above, the lower part of the wooden plate 3 is not exposed to the outside even when adjacent keys are pressed, thus preventing the appearance from being spoiled by spilled adhesive.

[0046] It should be noted that the present invention is not limited to the embodiments described above and can be implemented in various forms. Figure 5 shows a modified example of the lower support projection. In the above-described embodiment, a plurality of lower support projections 7 that partially support the wooden board 3 are formed near the lower end of the side portion 5 of the key body 2. However, the lower support projection 17 in the modified example shown in Figure 5 is formed to extend long in the front-rear direction and is configured to support the lower end of the wooden board 3 over almost its entire length. The same function and effect as the lower support projection 7 described above can be obtained with this modified example of the lower support projection 17. Furthermore, the number of lower support projections and their length in the front-rear direction can be arbitrarily selected, not limited to this modified example.

[0047] Furthermore, in the above-described embodiment, a configuration was explained in which the upper protrusion and lower support projection facilitate adjustment of the vertical mounting position of the wooden board. However, in another embodiment, instead of the upper protrusion and lower support projection, the front protrusion and rear support projection are configured in the same way as the upper protrusion and lower support projection, respectively, thereby facilitating adjustment of the front-to-back mounting position of the wooden board. In this case, the rear surface of the front protrusion is formed to be almost parallel to the front surface, and the front surface of the rear support projection is made into an inclined surface that slopes backward towards the tip. This allows the inclined surface of the rear support projection to function as a guide when mounting the wooden board, making it easy to bring the front end surface of the wooden board into contact with the rear surface of the front protrusion and achieve a tight fit.

[0048] In yet another embodiment, a configuration can be adopted in which the upper projection and lower support projection facilitate adjustment of the vertical mounting position of the wooden panel, and the front projection and rear support projection facilitate adjustment of the front-to-back mounting position of the wooden panel. In this case, when mounting the wooden panel, the lower end of the wooden panel is placed on the inclined surface of the lower support projection, and the rear end of the wooden panel is placed on the inclined surface of the rear support projection, and the wooden panel is slid upward and forward along the two inclined surfaces, thereby bringing the upper end surface of the wooden panel into contact with the lower surface of the upper projection and bringing the front end surface of the wooden panel into contact with the rear surface of the front projection.

[0049] Furthermore, within the scope of the present invention, the details of the configuration can be modified as appropriate. [Explanation of symbols]

[0050] 1 key 2 Key body 3 Wooden board 4 Top part 5 Side part 6 Upper protrusion 6a Lower surface of the upper projection 7 Lower support protrusion 7a Base of the lower supporting projection 8 Front part 9 Front protrusion 10 Rear support projection 17 Lower support projection of modified form L1 Length dimension from the lower surface of the upper protrusion to the base end of the lower support projection L2 Upper protrusion length dimension L3 Lower support projection projection length dimension S inclined plane

Claims

1. A key for a keyboard device having a key body that extends a predetermined length in the front-to-back direction and has an upper surface portion and a side portion that extends in the longitudinal direction, and one or more wooden plates attached along at least a part of the side portion, An upper projection is formed at the end of the upper surface portion on the side surface portion side, extending along the end, being formed continuously with the upper surface portion, and projecting laterally beyond the side surface portion. Near the lower end of the side portion, a lower support projection is formed that protrudes laterally from the key body and faces the upper projection. The upper surface of the lower support projection is an inclined surface that slopes downward towards the tip. The key for a keyboard device is characterized in that the one or more wooden boards are arranged so that their upper end surfaces abut against the lower surface of the upper projection, and are held between the upper projection and the lower support projection.

2. The key for the keyboard device according to claim 1, characterized in that the height dimension of the one or more wooden boards is substantially the same as the length dimension from the lower surface of the upper protrusion to the base end of the lower support projection.

3. The key for the keyboard device according to claim 1, characterized in that the tip of the lower support projection protrudes laterally more than the tip of the upper projection.

4. The key for the keyboard device according to claim 1, characterized in that a plurality of the lower support protrusions are formed on the side surface of the key body.

5. The key body further has a front portion provided so as to be in contact with the front end of the upper portion and the front end of the side portion, A front projection is formed at the end of the front portion on the side portion side, extending along the end and formed continuously with the front portion, and projecting laterally beyond the side portion. A rear support projection is formed near the rear end of the side portion, projecting laterally toward the key body and facing the front projection. The front surface of the aforementioned rear support projection is an inclined surface that slopes backward as it approaches the tip. The key for the keyboard device according to claim 1, characterized in that the one or more wooden boards are arranged so that their front end surfaces abut against the rear surface of the front projection, and are held between the front projection and the rear support projection.

6. A key for a keyboard device having a key body that extends a predetermined length in the front-to-back direction and has an upper surface portion, a side portion that extends in the longitudinal direction, and a front portion that is in contact with the front end of the upper surface portion and the front end of the side portion, and one or more wooden plates attached along at least a part of the side portion, A front projection is formed at the end of the front portion on the side portion side, extending along the end and formed continuously with the front portion, and projecting laterally beyond the side portion. A rear support projection is formed near the rear end of the side portion, projecting laterally toward the key body and facing the front projection. The front surface of the aforementioned rear support projection is an inclined surface that slopes backward as it approaches the tip. The key for a keyboard device is characterized in that one or more wooden boards are arranged so that their front end surfaces abut against the rear surface of the front projection, and are held between the front projection and the rear support projection.

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