JP3610414B2 - Stringed instrument - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a stringed instrument such as an electric guitar.
[0002]
[Prior art]
In an electric guitar, a musical instrument main body incorporates various value-added devices such as a recording / playback device such as a cassette tape recorder and a compact disc, an effector for adding an effect (echo, chorus, etc.) to a musical sound, and a speaker. Is able to enjoy music without interrupting performance and composition thinking. For example, by incorporating a recording / playback device such as a cassette tape recorder or a compact disc, one person can enjoy ensembles or compose music. In addition, by incorporating an effector, setting work in a studio or the like can be reduced. Furthermore, by incorporating a speaker, it is possible to enjoy music without an external amplifier.
[0003]
[Problems to be solved by the invention]
However, in such an electric guitar, since the above-described value-added device is vulnerable to vibration, it is easily affected by string vibration during performance. In particular, the operation of a tape recorder or the like becomes unstable when subjected to string vibration. . In addition, stringed instruments such as electric guitars often perform while moving their bodies, so the instrument body inevitably moves so that the recording / playback device such as a cassette tape recorder rotates. When moving, there is a problem that rotation unevenness is likely to occur in the recording / reproducing apparatus and the operation of the recording / reproducing apparatus becomes unstable. Furthermore, in such an electric guitar, since one guitar cannot be easily changed to another model having different functions, the production process becomes complicated to produce various types of guitars having different functions. There is a problem that the manufacturing cost becomes high.
[0004]
The present invention has been made in view of the above circumstances, and a first object thereof is to provide a stringed instrument in which a second component group that is weak against vibration of a value-added device or the like is less susceptible to the influence of string vibration during performance. The second object is to provide a stringed instrument that can prevent a recording / reproducing apparatus such as a cassette tape recorder from rotating during performance, and can stably operate the recording / reproducing apparatus. Is to provide a stringed instrument that can be easily changed to other models with different functions.
[0005]
[Means for Solving the Problems]
According to the first aspect of the present invention, a string vibration system component group related to string vibration is attached to one face plate of a musical instrument main body having a hollow inside, and the string vibration system component group is at least string fixing on the main body side. It has a member and a neck, and these are attached to the one face plate through a reinforcing member made of a material having high rigidity.
One face plate of the instrument main body to which the string vibration system component group related to the string vibration is attached may be a face plate facing the face plate directly below the stretched string.
According to a third aspect of the present invention, the instrument body is composed of an upper case and a lower case, and a string vibration system component group related to string vibration is attached to the lower case, and the string vibration system component group is at least on the main body side. It has a string fixing member and a neck, and these are attached to the lower case via a reinforcing member made of a highly rigid material.
The upper case may be positioned directly below the string that is stretched.
Furthermore, a vibration absorbing member may be interposed between the upper case and the lower case.
[0006]
[Action]
According to the first and third aspects of the present invention, a string vibration system component group related to string vibration is attached to one face plate or lower case of the instrument body, and the string vibration system component group is at least on the main body side. Since the string fixing member and the neck are attached to the one face plate or the lower case via a reinforcing member made of a highly rigid material, the string vibration system component group can be firmly attached. .
In this case, one face plate or lower case of the instrument main body to which the string vibration system parts group related to string vibration is attached is opposed to the face plate or upper case directly below the stretched string. It is possible to make it difficult for vibration to be transmitted to a component whose operation becomes unstable due to vibration attached to the upper case.
Furthermore, by interposing a vibration absorbing member between the upper case and the lower case, it is possible to further prevent vibration from being transmitted to a component whose operation becomes unstable due to vibration.
[0007]
【Example】
A first embodiment of a stringed musical instrument according to the present invention will be described below with reference to FIGS.
1 is a front view of an electric guitar, FIG. 2 is an exploded perspective view of main parts thereof, FIG. 3 is a cross-sectional view taken along line AA of FIG. 1, and FIG. 4 is an enlarged view of main parts of FIG. In these drawings, the instrument body 1 is composed of a lower case (first case) 2 and an upper case (second case) 3.
The lower case 2 is formed by integrally molding a side wall 2b with a synthetic resin on the peripheral edge of the upper surface of the bottom plate portion 2a. As shown in FIG. 2, four mounting bosses 4 are erected on substantially the center and right end of the bottom plate 2a, and a reinforcing plate (reinforcing member) 5 is screwed onto these mounting bosses 4. The reinforcing plate 5 has a neck 6 screwed thereto. In this case, the reinforcing plate 5 is made of a material having high rigidity such as metal and is formed in a substantially U-shaped cross section so that the neck 6 is firmly attached to the lower case 2. In addition, an adjustment lid 7 is attached to substantially the center of the bottom plate portion 2a so as to be openable and closable, and a battery housing portion 8 and a connection jack 9 are provided on the left front side of the bottom plate portion 2a. Furthermore, strap attachment brackets 10 are respectively attached to the left front and right back of the side wall 2b of the lower case 2 by screws 11, and a strap (not shown) that hangs on the shoulder of the performer can be attached to and detached from these attachment brackets 10. It can be attached.
[0008]
On the other hand, as with the lower case 2, the upper case 3 is formed by integrally molding a side wall 3b with a synthetic resin at the peripheral edge of the lower surface of the upper plate portion 3a. A bridge placement portion 15 and a pickup mounting portion 16 are provided at a substantially central portion of the upper plate portion 3a. A bridge substrate 17 is placed above the bridge placement portion 15 as will be described later. A pickup 18 that converts the vibration of the string 40 into an electric signal and outputs the electric signal is screwed via a coil spring 18a. Sound emission holes 19 are provided on the left front side and the right back side of the upper plate portion 3a, and speakers 20 are screwed to the sound emission holes 19, respectively. A tape recorder mounting portion 21 and a recorder switch mounting portion 22 are provided on the left rear side of the upper plate portion 3a. The tape recorder main body 23 is screwed to the tape recorder mounting portion 21, and the tape recorder recorder mounting portion 22 is attached to the tape recorder mounting portion 22. The switch group 24 is screwed. A board attaching part 25 is provided in the middle part on the back side of the upper plate part 3a, and a circuit board 26 having an effect function is screwed to the board attaching part 25, and the effect of the effect function provided on the circuit board 26 is achieved. Various push buttons 26a for selecting and adjusting the sound are inserted into the button insertion holes 25a of the board mounting portion 25, respectively. Further, two attachment holes 27 are provided in the front intermediate portion of the upper plate portion 3a, and a volume switch 28 and a timbre switch 29 that changes the tone in an analog manner are attached to each attachment hole 27. The operation knobs 28a and 29a are attached to the upper case 3 so as to protrude above the upper case 3, respectively. The tape recorder main body 23, the circuit board 26, and the speaker 20 correspond to value-added devices, and these value-added devices and the like correspond to the second component group.
[0009]
As shown in FIGS. 3 and 4, the lower case 2 and the upper case 3 are vibrations made of rubber or the like between the upper end portion of the side wall 2 b of the lower case 2 and the lower end portion of the side wall 3 b of the upper case 3. The absorbing member 30 is interposed and overlapped. In this state, the screw 32 is inserted into the screw insertion boss 31 provided along the side wall 2b from the lower side of the lower case 2, and the screw 32 is provided on the upper case 3. The screw is attached to the screw mounting boss 33 by screwing. In this case, as shown in FIG. 4, the vibration absorbing member 30 is a belt-shaped member having a substantially H-shaped cross section, and the upper end of the side wall 2 b of the lower case 2 and the lower end of the side wall 3 b of the upper case 3. Are fitted from above and below, and are in pressure contact with each other by tightening the screws 32.
[0010]
By the way, the bridge board | substrate 17 arrange | positioned above the bridge | bridging arrangement | positioning part 15 of the upper case 3 is attached to the reinforcement board 5 by the two attachment pins 35 so that a rocking | fluctuation is possible up and down. In this case, a piece 36 is provided on the bridge substrate 17, and a tremolo block 37 is provided on the lower surface of the bridge substrate 17. Between the lower end portion of the tremolo block 37 and the six pegs 39 provided on the head 38 at the tip of the neck 6, six strings 40 are inserted into the holes of the tremolo block 37 and the bridge substrate 17 (see FIG. (Not shown) and extends over the neck 6 from the top of the piece 36. A coil spring 41 is attached between the lower end of the tremolo block 37 and the reinforcing plate 5 to counter the tension of the string 40. As a result, the bridge substrate 17 is arranged in a state of being balanced above the bridge arrangement portion 15 of the upper case 3 by the tension of the string 40 and the tension of the coil spring 41. The bridge substrate 17 and the tremolo block 37 are provided with a tremolo arm 42 for increasing or decreasing the pitch. Accordingly, the bridge substrate 17, the piece 36, the tremolo block 37, and the coil spring 41 correspond to the string fixing member on the main body side, and the string fixing member, the neck 6, the head 38, the peg 39, and the tremolo arm 42 on the main body side are string vibrations. It corresponds to a first part group of the system, and the first part group of the string vibration system is attached to the lower case 2 via the reinforcing plate 5.
[0011]
In such an electric guitar, the first case group of the string vibration system such as the string fixing member on the main body side such as the bridge substrate 17, the neck 6, the head 38, the peg 39 and the tremolo arm 42 is provided on the lower case 2 of the musical instrument main body 1. Is attached via the reinforcing plate 5, and the second part group of the value-added device such as the tape recorder main body 23, the circuit board 26, and the speaker 20 is attached to the upper case 3 of the musical instrument main body 1, and the side wall of the lower case 2 Since the vibration absorbing member 30 is interposed between the upper end portion of the upper case 3 and the lower end portion of the side wall 3b of the upper case 3, vibrations due to the string vibration of the first component group and the operation of the tremolo arm 42 are caused during the performance. Can be absorbed by the vibration absorbing member 30 and difficult to be transmitted to the second part group via the upper case 3, so that the second part group is affected by the string vibration of the first part group. Becomes Nikuku, added value devices such as tape recorder main body 23 can be stably operated. In this case, in particular, the first component group of the string vibration system is attached to the lower case 2 via the reinforcing plate 5, so the first component group such as the string fixing member on the main body side and the neck 6 is extremely strong with respect to the lower case 2. Can be attached to.
[0012]
Moreover, in this electric guitar, since the tape recorder main body 23 which is a recording / reproducing device is attached to the tape recorder attachment portion 21 on the left back side of the upper plate portion 3a, for example, the musical instrument main body 1 is put on the performer's knee and played. The center of rotation of the musical instrument main body 1 when the strap is attached to two strap mounting brackets 10 provided on the instrument case 1 or suspended from the shoulder of the performer with this strap (ie, Since the tape recorder main body 23 is separated from any part of the intermediate portion P) of the two strap mounting brackets 10, the musical instrument main body 1 moves so as to rotate around the respective rotation centers O and P during performance. However, since the tape recorder main body 23 does not move so as to rotate in accordance with this movement, the tape recorder main body 23 reciprocates almost linearly. Hardly occurs, it is possible to operate the tape recorder main body 23 stably.
[0013]
Next, a second embodiment of the stringed musical instrument according to the present invention will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected to the part of the same name as 1st Example shown by FIGS. 1-4, and the description is abbreviate | omitted suitably.
As shown in FIG. 5, the electric guitar includes a lower case 2 to which a first component group such as a neck 6 is attached via a reinforcing plate 5, a tape recorder main body 23, a circuit board 26, a speaker 20, and the like. A first upper case (second case) 45 to which a two-part group is attached and a second upper case (other second case) 46 to which a second part group having a function different from that of the first upper case 3 is attached. The first upper case 45 and the second upper case 46 are attached to the lower case 2 in a replaceable manner. That is, the first upper case 45 has the same structure as that of the first embodiment and incorporates the same second component group as that of the first embodiment. On the other hand, the second upper case 46 has an outer shape substantially the same as that of the first upper case 3. In the second upper case 46, a rhythm sound source circuit (a circuit for automatically generating and outputting a predetermined rhythm tone signal at a predetermined tempo) for automatically performing a rhythm performance is formed instead of the tape recorder body 23. In addition to the attached rhythm sound source board 47, the pickup 18, the speaker 20, and the circuit board 26 are attached as in the first upper case 3. Therefore, the function of the second component group attached to the second upper case 46 is different from that of the second component group attached to the first upper case 45.
[0014]
When assembling such an electric guitar, as shown in FIG. 6, first, the neck 6 is attached to the lower case 2 via the reinforcing plate 5, the first component group is assembled, and the first upper case 45 and the first 2 A second part group having a different function is assembled to the upper case 46. Thereafter, either the first upper case 45 or the second upper case 46 is joined to the lower case 2 with screws through the same vibration absorbing member (not shown) as in the first embodiment. Thereby, an electric guitar is assembled.
Thus, in this electric guitar, when a plurality of models having different functions are manufactured, the lower case 2 has a common structure for all models, so that the functions differ from the lower case 2. By simply attaching one of the upper cases 45 and 46 incorporating the second part group, it is possible to easily manufacture different types of stringed instruments, and the lower case 2 is common to all models. A process can be simplified and manufacturing cost can be suppressed.
In addition, in this electric guitar, if only the upper case in which the second part group having different functions is incorporated is sold to the user who owns the electric guitar, the user only purchases and replaces the upper case. Now you can get an electric guitar with a new function.
[0015]
In the first and second embodiments, the case where a tape recorder and a rhythm sound source circuit are used as the second component group has been described. However, the present invention is not limited to this. For example, a liquid crystal display device, a liquid crystal television, Sound source, frequency extraction device, tuning meter, MD (mini disc) recorder, DCC (digital compact cassette) recorder, CD player, DAT (digital audio tape) recorder, multi-track tape recorder, sequencer (automatic performance device), and others Parts may be used.
Moreover, although the case where it applied to the electric guitar was described in the said Example, it is not restricted to this, For example, it can apply widely to stringed instruments, such as a violin and a cello.
[0016]
【The invention's effect】
According to the present invention, a string vibration system component group related to string vibration is attached to the lower case of the musical instrument main body, and the string vibration system component group has at least a string fixing member and a neck on the main body side, which are rigid. Since it is attached to the lower case via a reinforcing member made of a high material, the string vibration system component group can be firmly attached.
In this case, the lower case to which the string vibration system parts group related to string vibration is attached is opposed to the upper case directly below the stretched string, so that the operation becomes unstable due to vibration. Vibrations can be made difficult to be transmitted.
Furthermore, by interposing a vibration absorbing member between the upper case and the lower case, it is possible to further prevent vibration from being transmitted to a component whose operation becomes unstable due to vibration.
[Brief description of the drawings]
FIG. 1 is a front view of an electric guitar according to a first embodiment of the present invention.
FIG. 2 is an exploded perspective view of the main part of FIG.
3 is a cross-sectional view taken along line AA in FIG.
4 is an enlarged view of a main part of FIG.
FIG. 5 is a schematic perspective view of the electric guitar according to the second embodiment of the present invention, disassembled into main parts.
6 is a schematic process diagram showing an assembling procedure of the electric guitar of FIG.
[Explanation of symbols]
1 musical instrument body 2 lower case 3 upper case 5 reinforcing plate 6 neck 17 bridge substrate 20 speaker 23 tape recorder body 26 circuit board 30 vibration absorbing member 37 tremolo block 38 head 39 peg 40 string 41 coil spring 45 first upper case 46 second upper Case 47 Rhythm sound source board O, P Rotation center of instrument body

Claims (5)

A string vibration system component group related to string vibration is attached to one face plate of the instrument body having a hollow inside ,
This string vibration system component group has at least a string fixing member and a neck on the main body side, and these are attached to the one face plate through a reinforcing member made of a highly rigid material . 2. The stringed instrument according to claim 1, wherein one face plate of the musical instrument main body to which a group of string vibration system parts related to string vibration is attached is a face plate facing a face plate directly below the stretched string. The instrument body consists of an upper case and a lower case, and a string vibration system component group related to string vibration is attached to the lower case.
  This string vibration system component group has at least a string fixing member and a neck on the main body side, and these are attached to the lower case via a reinforcing member made of a highly rigid material. The stringed instrument according to claim 3, wherein the upper case is located immediately below the string that is stretched. 4. A stringed musical instrument according to claim 3, wherein a vibration absorbing member is interposed between the upper case and the lower case.

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