WO2019181642A1 - Stringed instrument - Google Patents

Abstract

The present invention provides a stringed instrument equipped with a neck, a head, and a first member, wherein the first member is equipped with a first end and a second end in a longitudinal direction, and the first member is secured to the neck and the head such that the first end is located in the neck and the second end is located in the head.

Description

Stringed instrument

The present invention relates to a stringed musical instrument.

This application claims priority based on Japanese Patent Application No. 2018-53397 filed in Japan on March 20, 2018, the contents of which are incorporated herein by reference.

In a stringed instrument having a body, neck and head, such as an electric guitar, the vibration of the string is transmitted to the body, neck and head, and the body, neck and head also vibrate. When the body, neck and head vibrate, the vibration energy of the string is consumed, and the vibration of the string is attenuated. For this reason, the vibration characteristics of the instrument body including the body, neck and head affect the vibration of the strings and the sound quality of the stringed instruments.

Patent Document 1 discloses a stringed instrument in which the sound quality of the stringed instrument is improved by adjusting the vibration state (vibration characteristics) of the instrument body (electric guitar body) by putting a weight on the head.

Japanese Unexamined Patent Publication No. 2017-068072

In stringed instruments, there is room to further improve the sound quality of stringed instruments by improving the vibration characteristics of the stringed instrument structure including the neck and head.

The present disclosure has been made in view of the above-described circumstances, and an object thereof is to provide a stringed instrument that can improve sound quality.

The stringed musical instrument according to the present disclosure includes a neck, a head, and a first member, the first member includes a first end and a second end in a longitudinal direction, and the first member is disposed on the neck. The first end is located, and the second end is located on the head and is fixed to the neck and the head.

It is a top view which shows the stringed instrument containing the stringed instrument structure based on one Embodiment of this invention. FIG. 2 is an enlarged plan view showing a part of a neck and a head in the stringed instrument shown in FIG. 1. FIG. 3 is a cross-sectional view taken along arrow III-III in FIG. 2. 3 is a graph showing the frequency characteristics of vibration in the stringed musical instrument shown in FIGS. 1 and 2 in comparison with the frequency characteristics of vibration in a stringed musical instrument not including the first and second members. It is a figure which shows the 1st example of the vibration aspect of a stringed instrument structure when the stringed instrument shown in FIG. 1 and FIG. 2 vibrates in a “first bending mode”. It is a figure which shows the 2nd example of the vibration aspect of a stringed musical instrument structure in case the stringed musical instrument shown in FIG.1 and FIG.2 vibrates in "1st bending mode." It is an enlarged plan view which shows the stringed musical instrument structure which concerns on other embodiment of this invention.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. In this embodiment, an electric guitar is illustrated as a stringed instrument according to the present invention.
As shown in FIG. 1, an electric guitar 1 according to the present embodiment includes a stringed instrument component (component) 2, a body 3, and a string 4. The stringed musical instrument structure 2 includes a neck 5, a head 6, a first member 7, and a second member 8.

The body 3 may have a hollow inside, for example. The body 3 of the present embodiment is a solid body having no cavity inside. That is, the body 3 is formed in a plate shape. The material constituting the body 3 may be arbitrary, such as wood.

A bridge 11, an electromagnetic pickup 12, and a controller are attached to the body 3 of the present embodiment. The bridge 11, the electromagnetic pickup 12, and the controller are attached to the surface 3 a of the body 3 that is substantially orthogonal to the thickness direction (Z-axis direction) of the body 3. A first end portion of the string 4 is fastened to the bridge 11. The electromagnetic pickup 12 is located between the neck 5 and the bridge 11 in the longitudinal direction (X-axis direction) of the neck 5. In the present embodiment, a plurality (two in the illustrated example) of electromagnetic pickups 12 are arranged side by side in the longitudinal direction of the neck 5. The controller adjusts the volume and tone of the acoustic signal output from the electromagnetic pickup 12. The controller includes two volume switches 13 and a pickup selector 14 for switching the electromagnetic pickup 12 to be operated.

The neck 5 is connected to the end of the body 3 and extends in a direction away from the body 3. As shown in FIGS. 1 and 3, the neck 5 includes an attached fingerboard 21 (FIG. 3). The fingerboard 21 is located on the surface 5 a of the neck 5 facing in the same direction as the surface 3 a of the body 3.
In the following description, a direction in which a plurality of strings 4 are arranged in the neck 5 among directions orthogonal to the longitudinal direction of the neck 5 is referred to as a width direction (Y-axis direction) of the neck 5. The direction orthogonal to the longitudinal direction and the width direction of the neck 5 is referred to as the thickness direction (Z-axis direction) of the neck 5. The thickness direction of the neck 5 coincides with the thickness direction of the body 3.

As shown in FIGS. 1 and 2, a rod-shaped truss rod 22 for adjusting the warp of the neck 5 is provided inside the neck 5. The longitudinal end portion 22 </ b> B of the truss rod 22 is positioned closer to the proximal end portion side of the neck 5 than the distal end portion 5 </ b> B of the neck 5 in the longitudinal direction of the neck 5. The base end portion of the neck 5 is an end portion connected to the body 3 in the longitudinal direction of the neck 5. In other embodiments, the longitudinal end 22B of the truss rod 22 may be positioned, for example, to coincide with the tip 5B of the neck 5 The truss rod 22 is located within the neck 5 in the longitudinal direction of the neck 5 Is inserted into the insertion hole 23 extending in the direction. The insertion hole 23 of the neck 5 into which the truss rod 22 is inserted opens at the tip 5B of the neck 5. Thereby, the warp of the neck 5 is adjusted by inserting a tool for operating the truss rod 22 into the insertion hole 23 and rotating the truss rod 22 about its axis to change the amount of bending of the truss rod 22. be able to.
The truss rod 22 and the insertion hole 23 are located at the center of the neck 5 in the width direction of the neck 5.

As shown in FIGS. 1 to 3, the head 6 is provided continuously to the tip 5 </ b> B of the neck 5. The head 6 of this embodiment is formed integrally with the neck 5. For example, the head 6 may be formed separately from the neck 5 and then connected to the neck 5.
The head 6 extends in the longitudinal direction of the neck 5 from the tip 5B of the neck 5, for example. The head 6 of the present embodiment is inclined in the thickness direction of the neck 5 (Z-axis direction) in the opposite direction to the surface 5a of the neck 5 as the head 6 moves away from the tip 5B of the neck 5 in the longitudinal direction of the neck 5. The neck 5 extends in the longitudinal direction. As another embodiment, the longitudinal direction of the head 6 may be provided so as to coincide with the longitudinal direction of the neck 5.
In the following description, the direction parallel to the width direction of the neck 5 among the directions orthogonal to the longitudinal direction of the head 6 (X-axis direction in FIGS. 1 and 2) is the width direction of the head 6 (in FIGS. 1 and 2). (Y-axis direction). A direction perpendicular to the longitudinal direction and the width direction of the head 6 is referred to as a thickness direction of the head 6. The head 6 of the present embodiment is formed in a plate shape whose dimension in the thickness direction is smaller than the dimension in the longitudinal direction and the dimension in the width direction.

On the surface 6a of the head 6 facing the same side as the surface 5a of the neck 5, a groove 24 for opening the insertion hole 23 of the neck 5 described above is formed. The groove 24 is formed continuously to the insertion hole 23 of the neck 5 in the longitudinal direction of the neck 5. Specifically, the positions of the grooves 24 in the width direction of the neck 5 and the head 6 coincide with the insertion holes 23. The groove 24 is located at the center of the head 6 in the width direction of the head 6 perpendicular to the thickness direction and the longitudinal direction of the head 6. Further, the dimension of the groove 24 in the width direction of the neck 5 and the head 6 is equal to the dimension of the insertion hole 23.
The head 6 is provided with a plurality of pegs 25 for winding the second end of the string 4. The head 6 is formed with a plurality of attachment holes 26 for penetrating in the thickness direction and attaching the plurality of pegs 25 individually.

As shown in FIG. 2, in the present embodiment, a plurality of mounting holes 26 are arranged in two rows in the longitudinal direction of the head 6. That is, the mounting holes 26 are arranged not only in the longitudinal direction of the head 6 but also in the width direction of the head 6. The groove 24 of the head 6 described above is located between the mounting holes 26 in the width direction of the head 6.
Arrangement of the plurality of mounting holes 26 in the head 6 may be arbitrary. That is, the plurality of attachment holes 26 may be arranged in a line in the longitudinal direction of the head 6, for example.

The material constituting the neck 5 and the head 6 may be any material such as wood.

The neck 5 and the head 6 configured as described above vibrate according to the vibration of the string 4. At this time, a predetermined vibration mode is excited in the neck 5 and the head 6 at a predetermined natural frequency.
The vibration mode of the neck 5 and the head 6 includes a “twist mode” in which the neck 5 and the head 6 vibrate so as to twist about the axis extending in the longitudinal direction of the neck 5 and the head 6. The vibration mode of the neck 5 and the head 6 includes a “bending mode” in which the neck 5 and the head 6 vibrate so as to wave in a direction orthogonal to the longitudinal direction. Further, as illustrated in FIGS. 5 and 6, the “bending mode” includes a “first bending mode” in which the neck 5 and the head 6 vibrate so as to wave in the thickness direction (Z-axis direction) of the body 3. Exists. Further, the vibration mode of the neck 5 and the head 6 includes a “second bending mode” in which the neck 5 and the head 6 vibrate so as to wave in the width direction (Y-axis direction) of the body 3.

5 and 6, in the gray scale, the white portion indicates that the vibration displacement is larger, and the black portion indicates that the vibration displacement is smaller. 5 and 6 indicates a standing wave node (hereinafter referred to as a bending mode node) in the “first bending mode” of the head 6. The node N1 of the bending mode in the head 6 is located in the middle part of the head 6 in the longitudinal direction.

As shown in FIGS. 2 and 3, the first and second members 7 and 8 are for changing the vibration characteristics of the neck 5 and the head 6, and particularly for changing the frequency characteristics of vibration in the neck 5 and the head 6. Provided. The first and second members 7 and 8 are provided with respect to the neck 5 and the head 6 so as to adjust the rigidity of the neck 5 and the head 6. More specifically, the first and second members 7 and 8 are fixed to the neck 5 and the head 6 so as to extend in the longitudinal direction of the neck 5 and the head 6 and pass through the boundary between the neck 5 and the head 6. That is, the first and second members 7 and 8 are provided so as to straddle both the neck 5 and the head 6. The extending direction of the first and second members 7 and 8 corresponds to the longitudinal direction of the neck 5 and the head 6.
The first end 7 </ b> A in the extending direction of the first member 7 and the first end 8 </ b> A in the extending direction of the second member 8 are located in the middle part of the head 6 in the longitudinal direction of the neck 5 and the head 6. The first end portions 7 </ b> A and 8 </ b> A of the first and second members 7 and 8 may not reach at least the tip of the head 6. The first end portions 7A and 8A of the first and second members 7 and 8 are located at or near the node N1 of the bending mode in the head 6, for example. The first end portions 7A and 8A of the first and second members 7 and 8 are positioned closer to the boundary side between the neck 5 and the head 6 than the bending mode node N1 (see FIGS. 5 and 6) of the head 6, for example. It is preferable.

As shown in FIGS. 2 and 3, in the present embodiment, the second ends 7 </ b> B and 8 </ b> B of the first and second members 7 and 8 are located in the middle of the neck 5 in the longitudinal direction. In the extending direction of the first and second members 7 and 8, the second end portions 7B and 8B located on the opposite side to the first end portions 7A and 8A are, for example, the base end portion of the neck 5 located on the body 3 side. May be located.
In the present embodiment, the second ends 7B and 8B of the first and second members 7 and 8 are located at the same position as the end 22B of the truss rod 22, but are not limited thereto. The second ends 7B and 8B of the first and second members 7 and 8 may be positioned closer to the proximal end of the neck 5 than the end 22B of the truss rod 22, for example. Further, the second end portions 7B and 8B of the first and second members 7 and 8 may be positioned closer to the tip portion 5B side of the neck 5 than the end portion 22B of the truss rod 22, for example. In this case, the distance between the second ends 7B and 8B of the first and second members 7 and 8 and the end 22B of the truss rod 22 in the longitudinal direction of the neck 5 is more preferably small.

The first and second members 7 and 8 of this embodiment are disposed inside the neck 5 and the head 6. The first and second members 7 and 8 are fixed to the neck 5 and the head 6 by adhesion or the like inside the neck 5 and the head 6. The first and second members 7 and 8 may be exposed from the front surface 5a of the neck 5 or the back surface 5c of the neck 5 opposite to the front surface 5a. The first and second members 7 and 8 may be exposed from the front surface 6a of the head 6 or the back surface 6c of the head 6 opposite to the front surface 6a. The first and second members 7 and 8 of the present embodiment are not exposed on the surface of the neck 5 or the head 6.

When the first and second members 7 and 8 are disposed inside the neck 5 and the head 6, the width direction dimension W1 of the first and second members 7 and 8 in the width direction of the neck 5 and the head 6 is, for example, The first and second members 7 and 8 in the thickness direction of the neck 5 and the head 6 are preferably smaller than the dimension T1 in the thickness direction.
In the present embodiment, the dimension T12 in the thickness direction of the first and second members 7 and 8 in the thickness direction of the head 6 is, for example, at least half and equal to or less than the dimension T2 in the thickness direction of the head 6. Preferably there is. Moreover, it is preferable that the dimension T11 in the thickness direction of the first and second members 7 and 8 in the thickness direction of the neck 5 is, for example, at least half and equal to or less than the dimension T3 in the thickness direction of the neck 5. It is preferable to make the dimension T1 in the thickness direction of the first and second members 7 and 8 larger, for example, within a range not exceeding the dimensions T2 and T3 in the thickness direction of the neck 5 and the head 6.
The dimension T11 in the thickness direction of the first and second members 7 and 8 located in the neck 5 and the dimension T12 in the thickness direction of the parts of the first and second members 7 and 8 located in the head 6 For example, they may be different from each other, but are equivalent in this embodiment.

In this embodiment, the rigidity of the first and second members 7 and 8 is higher than the rigidity of the neck 5 and the head 6. The first and second members 7 and 8 of the present embodiment are made of fiber reinforced members including fibers (not shown) harder than the neck 5 and the head 6. The fiber direction (longitudinal direction of the fiber) is preferably oriented in the extending direction of the first and second members 7 and 8 (longitudinal direction of the neck 5 and the head 6). The direction of the fibers may completely coincide with the extending direction of the first and second members 7 and 8, but may be slightly inclined with respect to the extending direction, for example. That is, the fiber direction need not be at least orthogonal to the extending direction of the first and second members 7 and 8. The fiber reinforced members constituting the first and second members 7 and 8 are preferably carbon fiber reinforced plastic (CFRP) containing carbon fibers, for example. Since the first and second members 7 and 8 are made of fiber reinforced members, the first and second members 7 and 8 can be reduced in weight while improving the rigidity of the first and second members 7 and 8. be able to. The fiber reinforced members constituting the first and second members 7 and 8 can be made of other materials.

As described above, the stringed musical instrument structure 2 of the present embodiment includes the first and second members 7 and 8. The first and second members 7 and 8 have the same size and shape. The positions of the plurality of first and second members 7 and 8 in the longitudinal direction of the neck 5 and the head 6 are also the same.
The first and second members 7 and 8 are arranged at intervals from each other in a direction perpendicular to the longitudinal direction of the neck 5 and the head 6. For example, the first and second members 7 and 8 may be arranged at intervals in the thickness direction of the neck 5 and the head 6 (for example, the Z-axis direction). In the present embodiment, the first and second members 7 and 8 are arranged at equal intervals in the width direction (Y-axis direction) of the neck 5 and the head 6. The first and second members 7 and 8 are equally arranged in the width direction of the neck 5 and the head 6 with the center (axis) of the neck 5 and the head 6 in the width direction as the center.
The first and second members 7 and 8 in the present embodiment are positioned opposite to each other in the width direction of the neck 5 and the head 6 and at the same interval with respect to the middle (axis) of the neck 5 and the head 6 in the width direction. .

In the present embodiment, the first and second members 7 and 8 are positioned so as not to interfere with the insertion hole 23 of the neck 5 and the groove 24 of the head 6. Specifically, the first and second members 7 and 8 are located on both sides of the truss rod 22 provided inside the neck 5 in the arrangement direction. More specifically, the first and second members 7 and 8 are located on both sides of the insertion hole 23 and the groove 24 in the width direction (Y-axis direction) of the neck 5 and the head 6.
In the present embodiment, the first and second members 7 and 8 are located between the mounting holes 26 arranged in the width direction of the head 6 so as not to interfere with the mounting holes 26 of the head 6.

The stringed instrument structure 2 (structure of the example) of the present embodiment configured as described above has the vibration frequency characteristics indicated by the solid line F1 in FIG. A broken line F2 in FIG. 4 indicates the frequency characteristics of vibration of a stringed instrument component (comparative component) that does not include the first and second members 7 and 8. In the graph of FIG. 4, symbols f11 to f18 indicate the natural frequencies of the vibration modes in the components of the example. On the other hand, reference numerals f21 to f28 indicate the natural frequencies of the vibration modes in the structure of the comparative example.

At the natural frequencies f11, f21, f14, f24, f17, f27, f18, and f28, the stringed instrument components vibrate in the “first bending mode”, respectively. Further, at the natural frequencies f12, f22, f16, and f26, the stringed instrument components vibrate in the “second bending mode”, respectively. Further, at the natural frequencies f13, f23, f15, and f25, the stringed instrument components vibrate in the “twist mode”.
The vibration mode of the stringed musical instrument structure illustrated in FIG. 5 shows the vibration mode at the natural frequencies f17 and f27. Moreover, the vibration mode of the stringed musical instrument structure 2 illustrated in FIG. 6 shows the vibration mode at the natural frequencies f18 and f28.

As shown in FIG. 4, in a relatively low frequency band (for example, a frequency band lower than the vicinity of 200 Hz), the natural frequencies f11 to f13 of each vibration mode in the configuration body of the example are This is equivalent to the natural frequency f21 to f23 of the mode. That is, even if the first and second members 7 and 8 of the present embodiment are provided, the frequency characteristics of vibration of the stringed instrument component 2 in a relatively low frequency band are not substantially changed from those of the component of the comparative example.
On the other hand, in a relatively high frequency band (for example, a frequency band higher than around 200 Hz), the natural frequencies f14 to f18 of each vibration mode in the structure of the example are the natural frequencies of each vibration mode in the structure of the comparative example. It is higher than f24 to f28. That is, by providing the first or second member 7 or 8 of the present embodiment, the frequency characteristics of vibration of the stringed instrument component 2 in a relatively high frequency band can be changed with respect to the component of the comparative example.

As described above, the vibration characteristic (frequency characteristic of vibration) of the component of the example changes with respect to the vibration characteristic of the component of the comparative example, thereby including the component of the example (stringed instrument component 2). The sound quality of the electric guitar 1 is improved with respect to the sound quality of the electric guitar including the structure of the comparative example.

As described above, the stringed instrument structure 2 of the present embodiment extends in the longitudinal direction of the neck 5 and the head 6 so as to pass through the boundary between the neck 5 and the head 6, and is fixed to the neck 5 and the head 6. And second members 7 and 8. Thereby, the rigidity of the boundary between the neck 5 and the head 6 can be increased, and the natural frequency of each vibration mode of the stringed musical instrument structure 2 can be increased.
Further, since the first end portions 7A and 8A of the first and second members 7 and 8 are located in the middle of the head 6 in the longitudinal direction, the weight of the head 6 including the first and second members 7 and 8 is increased. Can be prevented from becoming excessively heavy. Thereby, it can prevent that the natural frequency of each vibration mode of the stringed musical instrument structure 2 falls.
From the above, it is possible to improve the sound quality of the electric guitar 1 by improving the vibration characteristics of the stringed instrument structure 2 including the neck 5 and the head 6.

Further, in the stringed musical instrument structure 2 of the present embodiment, the rigidity of the first and second members 7 and 8 is higher than the rigidity of the neck 5 and the head 6. For this reason, even if the first and second members 7 and 8 are arranged inside the neck 5 and the head 6, the rigidity of the boundary between the neck 5 and the head 6 can be increased.
Further, the first and second members 7 and 8 are arranged inside the neck 5 and the head 6, thereby improving the vibration characteristics of the stringed instrument component 2 without changing the external shape of the neck 5 and the head 6. The sound quality of the electric guitar 1 can be improved.

Moreover, in the stringed instrument structure 2 of the present embodiment, the second ends 7B and 8B of the first and second members 7 and 8 are located in the middle of the neck 5 in the longitudinal direction. Thereby, in the stringed instrument structure 2, it is possible to suppress the natural frequency of the vibration mode in the relatively low frequency band from being increased by the first and second members 7 and 8. That is, in the stringed instrument structure 2 of the present embodiment, as shown in FIG. 4, the natural frequency of the vibration mode in the relatively high frequency band is changed without changing the natural frequency of the vibration mode in the relatively low frequency band. Can be increased.

Further, in the stringed instrument structure 2 of the present embodiment, the first and second members 7 and 8 are arranged at intervals from each other in a direction perpendicular to the longitudinal direction of the neck 5 and the head 6. Further, the first and second members 7 and 8 are located on both sides of the truss rod 22 in the arrangement direction of the first and second members 7 and 8. Therefore, the first and second members 7 and 7 do not interfere with various parts and parts arranged on the neck 5 and the head 6 such as the truss rod 22 and the insertion hole 23 of the neck 5 and the groove 24 of the head 6. 8 can be provided on the neck 5 and the head 6. Therefore, the first and second members 7 and 8 can be provided without changing the structure and shape of the stringed musical instrument structure 2 and the electric guitar 1 including the same.

Further, in the stringed instrument structure 2 of the present embodiment, the first and second members 7 and 8 are arranged inside the neck 5 and the head 6. Thereby, even if the 1st and 2nd members 7 and 8 are provided in the electric guitar 1, the external design of the stringed musical instrument structure 2 and the electric guitar 1 including the same can be maintained well.

Further, in the stringed instrument structure 2 of the present embodiment, the width direction dimension W1 of the first and second members 7 and 8 in the width direction of the neck 5 and the head 6 is the first in the thickness direction of the neck 5 and the head 6. And it is smaller than the dimension T1 in the thickness direction of the second members 7 and 8. For this reason, the first and second members 7 and 8 do not interfere with the truss rod 22, the insertion hole 23 of the neck 5, and the groove 24 of the head 6 inside the neck 5 and the head 6. Even if they are arranged at intervals in the width direction, the vibration characteristics of the stringed instrument component 2 can be greatly changed.

In the stringed musical instrument structure 2 according to the present embodiment, the first and second members 7 and 8 are arranged inside the neck 5 and the head 6, and then the first and second members 7 in the thickness direction of the head 6. The dimension T12 in the thickness direction of 8 and 8 is not less than half and equal to or less than the dimension T2 in the thickness direction of the head 6. In addition, the dimension T11 in the thickness direction of the first and second members 7 and 8 in the thickness direction of the neck 5 is at least half and equal to or less than the dimension T3 in the thickness direction of the neck 5. For this reason, it is possible to sufficiently adjust the rigidity of the stringed instrument component 2 in order to greatly change the vibration characteristics of the stringed instrument component 2 while keeping the appearance design of the stringed instrument component 2 good.

Further, in the stringed musical instrument structure 2 of the present embodiment, the first and second members 7 and 8 are made of fiber reinforced members including fibers harder than the neck 5 and the head 6. Further, the direction of the fibers is directed to the extending direction of the first and second members 7 and 8. For this reason, the rigidity of the boundary between the neck 5 and the head 6 can be increased while reducing the weight of the first and second members 7 and 8. Thereby, the natural frequency of a predetermined vibration mode (for example, a vibration mode in a relatively high frequency band) in the stringed musical instrument structure 2 can be effectively increased.

These effects can improve the sound quality of the electric guitar 1 including the stringed instrument component 2.

As mentioned above, although this invention was demonstrated in detail, this invention is not limited to the said embodiment, A various change can be added in the range which does not deviate from the meaning of this invention.

In the present invention, for example, as shown in FIG. 7, the stringed instrument structure 2 may include only one first member 7. In this case, the first member 7 may be disposed at the center of the neck 5 or the head 6 in the width direction (Y-axis direction). Specifically, the center of the first member 7 in the width direction of the neck 5 and the head 6 is preferably located at the center of the neck 5 and the head 6. The dimension (width dimension) of the first member 7 in the width direction may be larger than the width dimension of the truss rod 22 as illustrated in FIG. 7, or may be equivalent to the width dimension of the truss rod 22, for example. Moreover, the width dimension of the 1st member 7 may be smaller than the width dimension of the truss rod 22, for example.

In the present invention, as illustrated in FIG. 7, the first member 7 may be positioned so as to interfere with the insertion hole 23 of the neck 5 and the groove 24 of the head 6. In this case, the first member 7 may form part of the insertion hole 23 of the neck 5 and the groove 24 of the head 6. Similarly, the first member 7 may be positioned so as to interfere with the mounting hole 26 of the head 6, for example.

In the present invention, the first and second members may be fixed to the front surface and / or back surface of the neck and the head, for example, by adhesion or the like. In this case, the rigidity of the first and second members may be the same as that of the above embodiment, but may be equal to or less than the rigidity of the neck or the head, for example. Even if the rigidity of the first and second members is equal to or less than the rigidity of the neck and the head, the rigidity of the boundary between the neck 5 and the head 6 can be increased.
In such a configuration, since the first and second members can be fixed to the neck and head of an existing stringed instrument, the vibration characteristics of the neck and head (stringed instrument component) in the existing stringed instrument are improved, and the sound quality of the existing stringed instrument is improved. Can improve.

As described above, according to the present invention, it is possible to improve the sound quality of a stringed musical instrument by improving the vibration characteristics of the stringed musical instrument component including the neck and the head.

The stringed instrument structure of the present invention can be applied to the electric guitar of the above embodiment. Furthermore, the present invention is not limited to an electric guitar, and can be applied to any stringed instrument having a neck and a head such as an acoustic guitar.

1 Electric guitar (stringed instrument)
2 Stringed Instrument Constituent Body 3 Body 4 String 5 Neck 5B Neck 5 Tip (End)
6 Head 7 First member 8 Second member 7A, 8A First end 7B, 8B Second end T1 Thickness dimension T2 of first and second members 7 Thickness dimension T3 of head 6 Neck 5 Dimension W1 in the thickness direction of the first and second members 7 in the width direction

Claims (11)

1. A stringed instrument,
   A neck, a head, and a first member;
   The first member includes a first end and a second end in the longitudinal direction,
   The first member is a stringed instrument that is fixed to the neck and the head so that the first end is located on the neck and the second end is located on the head.
2. The stringed instrument according to claim 1, wherein the first end portion is located in a middle portion of the head in a longitudinal direction of the head.
3. The stringed instrument according to claim 1 or 2, wherein the rigidity of the first member is higher than the rigidity of the neck and the head.
4. The stringed instrument according to any one of claims 1 to 3, wherein the second end portion is located in a midway portion of the neck in a longitudinal direction of the neck.
5. A second member;
   The second member includes a first end and a second end in the longitudinal direction,
   The said 2nd member is a stringed instrument structure as described in any one of Claims 1-4 arranged at intervals in the direction orthogonal to the longitudinal direction of the said neck and the said head from the said 1st member.
6. The stringed instrument structure according to any one of claims 1 to 5, wherein the first member is disposed inside the neck and the head.
7. The stringed instrument according to any one of claims 1 to 6, wherein the first member includes a fiber reinforced member including fibers harder than the neck and the head.
8. The stringed instrument according to claim 7, wherein a longitudinal direction of a fiber included in the fiber reinforcing member substantially coincides with a longitudinal direction of the neck and the head.
9. The stringed instrument according to any one of claims 1 to 6, wherein the first member is made of carbon fiber reinforced plastic including carbon fiber.
10. 6. The stringed instrument according to claim 5, wherein the first member and the second member are provided side by side with a space in the width direction of the neck and the head.
11. A stringed instrument,
    A neck, a head and a first member;
    The first member is a stringed instrument that is fixed to the neck and the head and adjusts the rigidity of the neck and the head.

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