JP2020181145A - Resonance auxiliary tool for musical instrument and musical instrument - Google Patents

Abstract

To provide a resonance auxiliary tool for a musical instrument capable of achieving complicated and profound tones by effectively amplifying vibrations occurring in musical instruments and adding change to a unique waveform of sound belonging to each of the musical instruments at the same time.SOLUTION: A resonance auxiliary tool 10 for a musical instrument to be used by being attached to a planar part in a musical instrument includes: a musical instrument attachment part 11 having an attachment surface 11a1 to be attached to the planar part of the musical instrument; vibrating inclined arms 12 supported by the musical instrument attachment part 11 in a state non-perpendicular to the attachment surface 11a1; and a weight 13 attached to each vibrating inclined arm 12. Vibrations in all directions including a vibration in a direction perpendicular to the attachment surface 11a1 are easily converted into vibrations of the weight 13 by providing the vibrating inclined arms 12 in the state non-perpendicular (inclined) to the attachment surface 11a1.SELECTED DRAWING: Figure 1

Description

The present invention relates to a musical instrument resonance assisting tool attached to a musical instrument and used, and a musical instrument to which the musical instrument resonance assisting tool is attached.

The value of a musical instrument is determined by how beautifully the vibration generated by it is made to sound. For this reason, in musical instruments, how to resonate the vibration generated by the musical instrument is very important.

In this regard, Patent Document 1 proposes a transverse flute provided with a mechanism for amplifying air vibration. As shown in FIG. 1 and the like of the same document, this transverse flute is provided with a wave amplifier composed of a resonance plate 5 and a pendulum 6 in a space 3 inside the tube head that occupies between the mouthpiece 1 and the tube head 2. .. As shown in FIG. 4 of the same document, the resonance plate 5 has a thin plate shape, and the pendulum 6 has a weight attached to the tip of a support rod whose end is fixed to substantially the center of the resonance plate 5. It has become a pendulum. When a breath is blown from the mouthpiece 1 of the transverse flute (FIG. 1 of the same document) to sound the transverse flute, the vibration is transmitted to the pendulum 6 via the resonance plate 5, and the pendulum 6 vibrates. Then, the vibration of the air column in the pipe of the transverse flute is amplified, and it is possible to produce a rich and tasty tone.

Japanese Unexamined Patent Publication No. 2016-105208

However, the wave amplifier described in Patent Document 1 has room for improvement in that it amplifies vibration. This is because, in order to obtain a high amplification effect in the wave amplifier of the same document, it is important whether or not the vibration of the resonance plate 5 is efficiently transmitted to the pendulum 6. In other words, the vibration of the resonance plate 5 (vibration in the direction perpendicular to the plate surface of the resonance plate 5 in the resonance plate 5) is efficient for the vibration of the support rod of the pendulum 6 (vibration in the direction perpendicular to the support rod in the support rod). It is important whether it is converted as a target. However, as shown in FIG. 1 of the same document, the support rod of the pendulum 6 is provided perpendicular to the plate surface of the resonance plate 5, so that the vibration in the direction perpendicular to the plate surface of the resonance plate 5 is generated. , It is difficult to be converted into the vibration of the support rod of the pendulum 6. Therefore, the amplification effect in the wave amplifier of the same document is considered to be limited.

The present invention has been made to solve the above problems, and provides a resonance assisting tool for musical instruments that can amplify vibration more effectively and realize a more complicated and deep tone. To do. It is also an object of the present invention to provide a musical instrument to which the resonance assisting tool for musical instruments is attached.

The above issues are
A resonance aid for musical instruments that is attached to a planar part of a musical instrument.
An instrument mounting part that has a mounting surface that can be mounted on the surface of the instrument,
An inclined arm for vibration supported by the instrument mounting portion in a state non-perpendicular to the mounting surface,
With the weight attached to the tilt arm for vibration,
It is solved by providing a resonance aid for musical instruments, which is characterized by being equipped with.

Here, the "planar portion in the musical instrument" refers to a flat or curved portion provided inside or outside the musical instrument. The same shall apply hereinafter.

The resonance assisting tool for musical instruments of the present invention is characterized in that the tilting arm for vibration that supports the weight is tilted with respect to the mounting surface of the musical instrument mounting portion. As a result, vibrations in all directions including vibrations in the direction perpendicular to the mounting surface can be easily converted into vibrations of the weight, and the vibrations can be amplified more effectively. In addition, the weight is more likely to vibrate in a complex manner than when the tilting arm for vibration is fixed perpendicular to the mounting surface, and a more complex resonance effect and reverberation effect realize a more complex and deep tone. You can also do it. That is, the sounds produced by musical instruments such as violins, which are mass-produced industrially, often have a certain regular waveform. However, by attaching the resonance assisting tool for musical instruments of the present invention, the scale and temperament can be changed. Without compromising, the waveform can be transformed into unpredictable and complex shapes, adding comfort such as naturally occurring sounds (eg, waterfall sounds, wind sounds, etc.).

In the resonance assisting tool for musical instruments of the present invention, the musical instrument mounting portion is provided so as to have the mounting surface and to be able to advance and retreat in a direction substantially perpendicular to the mounting base portion mounted on the planar portion of the musical instrument. It is preferable that the movable member and the guide member for guiding the movable member to the mounting base so as to be able to move forward and backward are provided, and the tilting arm for vibration is supported by the movable member. This is because musical instruments are delicate tools that often have subtle differences in tone and shape even if they are manufactured by the same craftsman using the same material. By supporting the tilting arm, the positions of the tilting arm for vibration and the weight can be adjusted according to each musical instrument, and the vibration can be amplified more effectively. ..

In the resonance assisting tool for musical instruments of the present invention, only one tilting arm for vibration may be provided, but if a plurality of tilting arms for vibration are provided and a weight is attached to each tilting arm for vibration. preferable. As a result, the plurality of weights move differently from each other, and a more complicated resonance effect or reverberation effect can be obtained.

When a plurality of vibration tilt arms are provided as described above, the angle formed by one vibration tilt arm with respect to the mounting surface among the plurality of vibration tilt arms is set by the other vibration tilt arm. It is preferable that the angle is different from the angle formed with respect to the mounting surface. This makes it easier for the plurality of weights to move in a more complicated and different manner, and a more complicated resonance effect and reverberation effect can be obtained.

The type of musical instrument to which the resonance assisting tool for musical instruments of the present invention is attached is not particularly limited. However, in particular, in a musical instrument having a hollow portion, it is preferable to attach the resonance assisting tool for musical instruments of the present invention in the hollow portion. This is because a musical instrument having a cavity often reverberates in the cavity, and by arranging the resonance assisting tool for musical instruments of the present invention in the cavity, the vibration can be amplified more effectively. Because it can be done. In addition, the beauty of the appearance of the musical instrument is also important. Therefore, if the resonance assisting tool for the musical instrument of the present invention is installed in the cavity, the beauty of the appearance of the musical instrument of the present invention is not impaired. This is because a resonance aid can be attached.

As described above, according to the present invention, it is possible to provide a resonance assisting tool for musical instruments that can amplify vibration more effectively and realize a more complicated and deep tone. It is also possible to provide a musical instrument to which this musical instrument resonance aid is attached.

It is a perspective view of the resonance assisting tool for musical instruments of this embodiment. It is sectional drawing of the violin to which the resonance assisting tool for musical instruments of this embodiment attached, cut in the plane including the central axis of the violin. It is sectional drawing which cut the resonance assisting tool for musical instruments of this embodiment by a plane including the center line of a guide member. It is a figure which showed the example of the cross-sectional shape in the root side part of the tilting arm for vibration. It is the figure which showed by removing the weight of the resonance assisting tool for musical instruments. It is sectional drawing which cut the resonance assisting tool for musical instruments of another embodiment by the plane including the center line of the guide member.

A preferred embodiment of the present invention will be described more specifically with reference to the drawings. FIG. 1 is a perspective view of the resonance assisting tool 10 for musical instruments according to this embodiment. As shown in FIG. 1, the musical instrument resonance assisting tool 10 of the present invention includes a musical instrument mounting portion 11, a vibration tilting arm 12 supported by the musical instrument mounting portion 11, and a weight 13 attached to the vibration tilting arm 12. It is equipped with. When the resonance assisting tool 10 for a musical instrument is attached to a planar portion of the musical instrument by the musical instrument mounting portion 11, the vibration generated in the musical instrument can be amplified, and a complicated and deep tone can be realized.

FIG. 2 is a cross-sectional view of the violin 90 to which the resonance assisting tool 10 for musical instruments of the present embodiment is attached, cut along a plane including the central axis of the violin 90. Hereinafter, the mechanism by which the vibration is amplified by the resonance assisting tool 10 for musical instruments will be described by exemplifying a case where the resonance assisting tool 10 for musical instruments is attached to the violin 90 as shown in FIG. In the example shown in FIG. 2, the resonance assisting tool 10 for musical instruments is attached to the back surface of the front plate 92 inside the resonance body 91 of the violin 90. When the string 93 of the violin 90 is rubbed with a bow, the vibration generated in the string 93 is transmitted to the front plate 92. Then, the vibration of the front plate 92 is transmitted to the vibration tilting arm 12 via the musical instrument mounting portion 11 of the musical instrument resonance assisting tool 10, and the weight 13 vibrates. Since the vibration tilting arm 12 is formed in an elongated rod shape, as will be described in detail later, the vibration received from the musical instrument mounting portion 11 can be amplified and transmitted to the weight 13. Then, when the weight 13 vibrates, the air around it also vibrates, and the air vibration inside the resonance cylinder 91 of the violin 90 is amplified. In addition, the vibration of the weight 13 is transmitted to the front plate 92 via the vibrating tilt arm 12 and the musical instrument mounting portion 11, and the front plate 92 continues to vibrate for a long time. As a result, the amplified reverberation effect can be obtained for a long time, and a complex and deep sound is produced.

That is, the timbre of the musical instrument to which the musical instrument resonance assisting tool 10 is attached is such that when the musical instrument produces a sound (when the musical instrument vibrates), the weight 13 of the musical instrument resonance assisting tool 10 is generated by the vibration. It depends on how it vibrates (in what direction, amplitude and length) it vibrates. In this regard, in the resonance assisting tool 10 for musical instruments of the present embodiment, various devices have been devised to effectively vibrate the weight 13. Hereinafter, the structure of the resonance assisting tool 10 for musical instruments of this embodiment will be described in detail.

FIG. 3 is a cross-sectional view of the musical instrument resonance assisting tool 10 of the present embodiment cut along a plane including the center line of the guide member 11b. In the musical instrument resonance assisting tool 10 of the present embodiment, as shown in FIG. 1, the musical instrument mounting portion 11 is composed of a mounting base portion 11a, a guide member 11b, and a movable member 11c, and is an inclined arm for vibration. 12 is supported by the movable member 11c. As shown in FIG. 3, the mounting base portion 11a has a mounting surface 11a ₁ at the bottom thereof, and the mounting surface 11a ₁ can be mounted on a planar portion of a musical instrument. The guide member 11b is formed in a columnar shape having one end fixed to the mounting base portion 11a. The movable member 11c is attached to the guide member 11b so that the attachment position with respect to the guide member 11b can be moved. The reason why the guide member 11b and the movable member 11c are provided will be described in detail later.

In this embodiment, as shown in FIG. 1, five arms, a first arm 12a, a second arm 12b, a third arm 12c, a fourth arm 12d, and a fifth arm 12e, are used as the vibration tilting arm 12. It is provided. Each of the tilting arms 12 for vibration is formed in an elongated rod shape, and one weight 13 is attached to each.

As shown in FIG. 3, one end of the vibration tilting arm 12 is fixed to the movable member 11c, and is supported in a state non-vertical to the mounting surface 11a ₁ of the mounting base portion 11a. In this manner, by vibrating the inclined arm 12 is provided obliquely with respect to the mounting surface 11a _1, as already mentioned, the vibrating vibration in the direction perpendicular to the mounting surface 11a ₁ was also included in all directions Is easily converted into the vibration of the weight 13.

Vibration gradient arm 12 may be relative to the mounting surface 11a ₁ if in the non-vertical, or provided to what extent inclined with respect to the mounting surface 11a ₁ is not particularly limited. However, the vibration gradient arm 12, when provided in a nearly vertical position relative to the mounting surface 11a _1, there is a possibility that the vibration in the direction perpendicular to the mounting surface 11a ₁ is hardly transmitted to the weight 13. Therefore, it is preferable that the angle θ (see FIG. 3) formed by the vibration tilting arm 12 with respect to the mounting surface 11a ₁ is 85 ° or less. The angle θ is more preferably 80 ° or less. The angle θ may be 0 °. That is, the vibration tilting arm 12 can be provided parallel to the mounting surface 11a ₁ .

The specific shape of the vibration tilt arm 12 is not particularly limited as long as it can amplify the vibration received from the musical instrument mounting portion 11 to vibrate the weight 13. In the present embodiment, as shown in FIG. 1, the vibration tilting arm 12 is formed in the shape of a straight elongated rod, but the vibration tilting arm 12 may also be in the shape of a curved or bent rod.

In this embodiment, as shown in the enlarged view of FIG. 3, the outer surface shape of the vibration tilt arm 12 is different between the tip side portion 12f and the root side portion 12g of the vibration tilt arm 12. That is, in the tip side portion 12f of the vibration tilt arm 12, the screw thread 12h is provided on the outer surface of the vibration tilt arm 12, but in the root side portion 12g, the screw thread is provided on the outer surface of the vibration tilt arm 12. Is not provided. The reason why the screw thread 12h is provided on the tip side portion 12f will be described in detail later.

FIG. 4 is a diagram showing an example of the cross-sectional shape of the root side portion 12g of the vibration tilting arm 12. The cross-sectional shape of the vibration tilting arm 12 is substantially circular in the tip end side portion 12f because it has a screw thread 12h. On the other hand, the cross-sectional shape of the vibration tilting arm 12 at the root side portion 12g is not particularly limited. The cross-sectional shape of the vibration tilting arm 12 at the root side portion 12g may be a circular shape, but it is preferable that the cross-sectional shape is a shape other than a circle (non-circular shape). Specifically, it is preferable to have an elliptical shape or a polygonal shape (triangular shape, square shape, etc.). This is because, as found by the present inventor, when the cross-sectional shape of the root side portion 12g of the vibration tilt arm 12 is a non-circular shape, the vibration tilt is compared with the case where the cross-sectional shape is a circular shape. This is because the vibration of the arm 12 (vibration of the weight 13) tends to continue for a long time, and a beautiful reverberation effect can be easily obtained for a long time. FIG. 4 shows an example of the cross-sectional shape of the root side portion 12g of the vibration tilting arm 12.

The material of the vibration tilting arm 12 is not particularly limited as long as it has a desired rigidity. The vibration tilting arm 12 can be made of metal, bamboo, resin, wood, or the like. In this embodiment, the vibration tilt arm 12 is made of metal. In this embodiment, as described above, the vibration tilting arm 12 is fixed to the movable member 11c, but the vibration tilting arm 12 is directly fixed to the mounting base 11a without providing the guide member 11b or the movable member 11c. You may try to do it.

Only one vibration tilt arm 12 may be provided for one musical instrument resonance assisting tool 10, but if a plurality of vibration tilt arms 12 are provided, the weights 13 attached to the respective vibration tilt arms 12 are independent of each other. By vibrating to, the timbre of the instrument can be made more complex and deeper. The number of the tilting arms 12 for vibration is not particularly limited, but if the number is too large, the weights 13 may collide with each other. In addition, the structure of the resonance assisting tool 10 for musical instruments becomes complicated, which may increase labor and cost during manufacturing. Therefore, the number of the vibrating tilt arms 12 is preferably 10 or less, and more preferably 8 or less. In this embodiment, as described above, five vibration tilt arms 12 are provided.

When a plurality of vibration tilt arms 12 are provided, the angle θ formed by the vibration tilt arms 12 with respect to the mounting surface 11a ₁ may be the same for all the vibration tilt arms 12. However, in this embodiment, the angle formed by _one vibration tilting arm 12 with respect to the mounting surface 11a ₁ is different from the angle formed by the other vibration tilting arm 12 with respect to the mounting surface 11a ₁ . .. Specifically, for example, as shown in FIG. 3, the angle theta ₁ which the first arm 12a makes with the mounting surface 11a _1, and an angle theta ₃ of the third arm 12c makes with the mounting surface 11a ₁ is I'm trying to be different. As a result, the weight 13 attached to the first arm 12a and the weight 13 attached to the third arm 12c make different movements in a more complicated manner, and the timbre of the musical instrument is made more complicated and deep. be able to.

When a plurality of vibration tilt arms 12 are provided, all the vibration tilt arms 12 may have the same length, but the length of one vibration tilt arm 12 among the plurality of vibration tilt arms 12 It is preferable that the length of the arm is different from that of the other vibration arm. As a result, the weights 13 attached to the respective vibration tilting arms 12 can be made to move more complicatedly and differently.

In this embodiment, one weight 13 is attached to each of the tilting arms 12 for vibration. However, a plurality of weights 13 may be attached to one vibration tilting arm 12. When a plurality of weights 13 are provided in one musical instrument resonance assisting tool 10, such as when a plurality of vibration tilt arms 12 are provided or when a plurality of weights 13 are attached to a vibration tilt arm 12 provided only once. Although all the weights 13 may have the same weight, it is preferable that the weight of one weight 13 and the weight of the other weight 13 are different from each other. Thereby, each weight 13 can be made to move more complicatedly and differently.

The shape of the weight 13 is not particularly limited, but in the present embodiment, the weight 13 is formed in a substantially columnar shape as shown in FIG. The weight 13 may be an elliptical column or a polygonal column. Alternatively, a commercially available metal nut or the like can be used as the weight 13. The method of attaching the weight 13 to the tilting arm 12 for vibration is not particularly limited, but in the present embodiment, as shown in the enlarged view of FIG. 3, the weight 13 is provided with a screw hole 13a. As will be described in detail later, the weight 13 is attached to the vibration tilt arm 12 by screwing the tip end side portion 12f of the vibration tilt arm 12 into the screw hole 13a.

FIG. 5 is a diagram showing the weight 13 of the resonance assisting tool 10 for musical instruments removed. 5 (a) is a perspective view of the entire weight 13, and FIG. 5 (b) is a cross-sectional view of the weight 13 cut along the line AA of FIG. 5 (a). In this embodiment, as shown in FIG. 1, the vibration tilting arm 12 passes through the center of gravity of the weight 13. However, as shown in FIG. 5, it is also preferable that the screw hole 13a, which is the path of the vibration tilting arm 12, passes through a portion other than the center of gravity of the weight 13. In other words, it is preferable that the weight 13 is attached to the vibration tilting arm 12 in an eccentric state. As a result, the weight of the weight 13 is more likely to be applied non-uniformly to the vibrating tilt arm 12, so that the weight 13 vibrates in a more complicated manner.

When the weight 13 is formed in a columnar shape, the thickness of the weight 13 depends on the material of the weight 13, the material and the thickness of the tilting arm 12 for vibration, and the like, and is not particularly limited. However, the width W of the weight 13 (see FIG. 5B. When the weight 13 has a columnar shape, it is the diameter of the bottom surface thereof. When the weight 13 has a columnar shape other than the columnar shape, the longest bottom surface. If the thickness T is made too large with respect to the width (the same applies hereinafter), the effect will be obtained when the weight 13 is eccentrically attached to the vibration tilting arm 12 as shown in FIG. It may be difficult to obtain. Therefore, the ratio T / W of the thickness T to the width W of the weight 13 is preferably 2.0 or less, and more preferably 1.0 or less. On the other hand, if the thickness T of the weight 13 is made too small, it becomes difficult to secure the weight of the weight 13, and the weight 13 may not easily vibrate. Therefore, the ratio T / W is preferably 0.2 or more, and more preferably 0.4 or more. When a thin metal wire, bamboo, or the like that easily reacts to vibration is used as the vibration tilt arm 12 as in the present embodiment, the ratio T / W is preferably about 0.5.

The material of the weight 13 is not particularly limited as long as a desired weight can be achieved. The weight 13 can be formed of, for example, metal, rubber, resin, bamboo, wood, fiber, glass, pottery, or the like. In this embodiment, the weight 13 is made of metal.

In this embodiment, as shown in FIG. 1, the movable member 11c is formed in a substantially columnar shape, and five vibrating tilt arms 12 are radially attached to the outer peripheral surface of the movable member 11c. However, the shape of the movable member 11c and how to attach the plurality of tilting arms 12 for vibration to the movable member 11c are not limited to this. For example, the movable member 11c may be a rod-shaped member arranged substantially parallel to the mounting surface 11a ₁ of the mounting base portion 11a, and a plurality of vibration tilting arms 12 may be arranged side by side in the longitudinal direction of the rod-shaped member. ..

By the way, as already mentioned, even if the musical instrument is manufactured by the same craftsman using the same material, the detailed structure and the way the sound reverberates have individuality. In addition, it is difficult to unambiguously define a "good tone", and people have different tastes. Therefore, in the present embodiment, the resonance assisting tool 10 for musical instruments can be finely adjusted according to the individuality of the musical instrument and the preference of the person who plays the musical instrument.

Specifically, the movable member 11c that supports the vibration tilting arm 12 can be moved forward and backward with respect to the mounting base portion 11a. That is, as shown in FIG. 3, a screw thread 11b ₁ is provided on the outer peripheral surface of the guide member 11b, and a screw hole 11c ₁ is provided in a substantially central portion of the movable member 11c, so that the movable member 11c is provided. It is in a state of being screwed into the guide member 11b. When the movable member 11c is rotated with respect to the guide member 11b, the position of the movable member 11c on the guide member 11b can be moved. Since the guide member 11b is provided substantially perpendicular to the mounting surface 11a ₁ of the mounting base portion 11a, by moving the movable member 11c on the guide member 11b, the movable member 11c can be moved with respect to the mounting surface 11a ₁ . It can be moved forward and backward in a substantially vertical direction. As a result, the position of the vibrating tilt arm 12 with respect to the planar portion of the musical instrument can be changed so that the weight 13 vibrates in a desired manner.

Here, if the movable member 11c remains movable on the guide member 11b even after adjusting the position of the movable member 11c, the position of the movable member 11c changes due to vibration or the like applied to the musical instrument. You may have to make adjustments again. Therefore, in the present invention, it is preferable to provide a movable member fixing mechanism capable of preventing the adjusted movable member 11c from moving with respect to the guide member 11b. As such a mechanism, for example, it is conceivable to adopt a so-called "non-loosening screw" structure in the screw hole 11c ₁ portion. Alternatively, a stopper member that can be fixed to the outer peripheral surface of the guide member 11b is separately prepared and attached to both sides of the movable member 11c in the guide member 11b so that the movable member 11c cannot move forward or backward any more. May be good.

The structure for allowing the movable member 11c to move on the guide member 11b is not limited to the screw structure described above. For example, a rail groove is formed in the guide member 11b, a rail protrusion that can be engaged with the rail groove is provided in the movable member 11c, and the rail protrusion moves in the rail groove, whereby the movable member 11c becomes the guide member. It may be possible to move on 11b. Alternatively, the movable member 11c may be a tubular member made of an elastic material, and the inner peripheral dimension of the tubular member may be substantially the same as the outer peripheral dimension of the guide member 11b. In this case, a relatively large frictional force is generated between the outer peripheral wall of the guide member 11b and the inner peripheral wall of the movable member 11c. Therefore, when the movable member 11c is moved on the guide member 11b, a certain force or more is applied. On the other hand, even if the movable member fixing mechanism is not provided, the movable member 11c can be prevented from moving with respect to the guide member 11b by this frictional force.

In the resonance assisting tool 10 for musical instruments of the present embodiment, in addition to being able to adjust the position of the movable member 11c, the position of the weight 13 on the vibrating tilting arm 12 can also be adjusted. Specifically, as shown in the enlarged view of FIG. 3, a screw thread 12h provided on the outer surface of the tip end side portion 12f of the vibration tilting arm 12 is screwed into the screw hole 13a provided in the weight 13. It is in a state. As a result, by rotating the weight 13 with respect to the vibration tilting arm 12, the position of the weight 13 on the vibration tilting arm 12 is moved as in the case of the guide member 11b and the movable member 11c, and the weight 13 is moved. Can be adjusted to vibrate in a desired manner.

Even when the weight 13 is movable on the vibration tilt arm 12, the adjusted weight 13 moves with respect to the vibration tilt arm 12 as in the case where the movable member 11 is movable on the guide member 11b. It is preferable to provide a weight fixing mechanism that can prevent the vibration. As such a weight fixing mechanism, a configuration similar to the configuration given as an example of the movable member fixing mechanism can be adopted.

The mechanism for making the weight 13 movable on the vibration tilting arm 12 is not limited to the above-mentioned screw structure. As this mechanism, a configuration similar to the configuration exemplified as a mechanism for making the movable member 11c movable on the guide member 11b can be adopted. Further, when it is not necessary to adjust the position of the weight 13 on the vibration tilt arm 12, the weight 13 is fixedly attached to the vibration tilt arm 12 from the beginning without providing such a mechanism itself. You may do so.

FIG. 6 is a cross-sectional view of the resonance assisting tool 10 for musical instruments of another embodiment cut by a plane including the center line of the guide member 11b. In the embodiments shown in FIGS. 1 to 3 described above, the vibration tilting arm 12 is provided so as to project in a direction away from the mounting surface 11a ₁ . In other words, of the tip side portion 12f and the root side portion 12g of the vibration tilting arm 12, the root side portion 12g was closer to the mounting surface 11a ₁ (hereinafter, such a vibration tilting arm 12 is used. It is sometimes called a "separation type arm".) However, in the resonance assisting tool 10 for musical instruments of the present invention, as shown in FIG. 6, the tilting arm 12 for vibration may be provided so as to project in a direction approaching the mounting surface 11a ₁ . In other words, of the tip side portion 12f and the root side portion 12g of the vibration tilt arm 12, the tip side portion 12f can be made closer to the mounting surface 11a ₁ (hereinafter, for such vibration). The tilting arm 12 may be referred to as an "approaching arm"). When a plurality of vibration tilting arms 12 are provided in one musical instrument resonance assisting tool 10, a detachable arm and an approaching arm may be mixed.

The type of musical instrument to which the resonance assisting tool 10 for musical instruments is attached is not particularly limited, and can be attached to any musical instrument having a planar portion. Examples of such an instrument include a stringed instrument, a wind instrument, a percussion instrument, and the like. More specifically, examples of stringed instruments include violins, violas, cellos, contrabass, pianos, guitars, ukuleles, mandolins, samisen, biwa, koyumi, koto, koto, and harp. Examples of wind instruments include shinobue, dragon flute, kagura flute, nokan, shakuhachi, flute, piccolo, clarinet, oboe, bassoon, trumpet, cornet, trombone, horn, saxophone, euphonium, tuba, recorder, pipe organ, and the like. .. Examples of percussion instruments include various drums, timpani, drums, tambourines, xylophones, marimba, and metallophones.

Which part of the musical instrument the resonance assisting tool 10 for the musical instrument is attached to depends on the type of the musical instrument and is not particularly limited. The resonance assisting tool 10 for musical instruments is preferably attached to a well-vibrating portion of the musical instrument. For example, in a musical instrument having a resonance cylinder such as a violin, it is preferable to attach the resonance assisting tool 10 for musical instruments in the resonance cylinder. On the other hand, in a musical instrument having a resonance plate such as a piano, it is preferable to attach the resonance aid 10 for the musical instrument to the resonance plate. For wind instruments, it is preferable to attach the resonance assisting tool 10 for musical instruments inside the tube, but for brass instruments and woodwind instruments having a bell, it is particularly preferable to attach the resonance assisting tool 10 for musical instruments inside the bell. Only one resonance assisting tool 10 for musical instruments may be attached to one musical instrument, or a plurality of resonance assisting tools 10 may be attached to one musical instrument.

In the example shown in FIG. 2, the resonance assisting tool 10 for musical instruments is firmly fixed and attached to the back surface of the front plate 92 of the violin 90. That is, the mounting surface 11a ₁ of the musical instrument mounting portion 11 is directly fixed to the back surface of the front plate 92 by using an adhesive, metal fittings, screws, or the like (hereinafter, such a mounting method is referred to as "main mounting". It may be called.). By doing so, even if a slight impact is applied to the violin 90, the position of the resonance assisting tool 10 for the musical instrument is easily displaced, and the resonance assisting tool 10 for the musical instrument is easily detached from the front plate 92. I try not to.

On the other hand, the resonance assisting tool 10 for musical instruments of the present invention can be attached to a planar portion of a musical instrument in a detachable state. Specifically, for example, a magnet is attached to the mounting surface 11a ₁ of the musical instrument mounting portion 11 or the inside thereof, and a metal plate of a type attracted to the magnet is attached to the planar portion of the musical instrument to provide a resonance assisting tool for musical instruments. The 10 can be easily attached to and detached from the surface portion of the musical instrument. As a result, the resonance assisting tool 10 for musical instruments of the present invention can be tried on an existing musical instrument, and the change in timbre can be experienced. Further, when performing the main mounting, the position where the resonance assisting tool 10 for the musical instrument is mounted can be adjusted while checking the tone color of the musical instrument.

10 Resonance aid for musical instruments 11 Musical instrument mounting part 11a Mounting base 11a ₁ Mounting surface 11b Guide member 11b ₁ Screw thread 11c Movable member 11c ₁ Screw hole 12 Vibration tilt arm 12a First arm 12b Second arm 12c Third arm 12d No. 4 arm 12e 5th arm 12f Tip side part 12g Root side part 12h Screw thread 13 Weight 13a Screw hole 90 Violin 91 Sound box 92 Front plate 93 String

Claims (6)

A resonance aid for musical instruments that is attached to a planar part of a musical instrument.
An instrument mounting part that has a mounting surface that can be mounted on the surface of the instrument,
An inclined arm for vibration supported by the instrument mounting portion in a state non-perpendicular to the mounting surface,
With the weight attached to the tilt arm for vibration,
Resonance aid for musical instruments, which is characterized by being equipped with.
The instrument mounting part
A mounting base that has the mounting surface and is mounted on the planar portion of the musical instrument,
A movable member provided so as to be able to move forward and backward in a direction substantially perpendicular to the mounting surface, and
It is provided with a guide member for guiding the movable member to the mounting base so that it can move forward and backward.
The resonance assisting tool for a musical instrument according to claim 1, wherein the tilting arm for vibration is supported by a movable member.
The resonance assisting tool for musical instruments according to claim 1 or 2, wherein a plurality of vibration tilt arms are provided and a weight is attached to each vibration tilt arm.
The musical instrument according to claim 3, wherein among a plurality of vibration tilt arms, the angle formed by one vibration tilt arm with respect to the mounting surface is different from the angle formed by the other vibration tilt arm with respect to the mounting surface. Resonance aid for.
A musical instrument to which the resonance assisting tool for a musical instrument according to any one of claims 1 to 4 is attached.
The musical instrument according to claim 6, which has a hollow portion and has a resonance assisting tool for musical instruments attached in the hollow portion.

Images