WO1994016431A1 - Coupling structure for fixing the neck of a stringed musical instrument - Google Patents
Coupling structure for fixing the neck of a stringed musical instrument Download PDFInfo
- Publication number
- WO1994016431A1 WO1994016431A1 PCT/FI1994/000020 FI9400020W WO9416431A1 WO 1994016431 A1 WO1994016431 A1 WO 1994016431A1 FI 9400020 W FI9400020 W FI 9400020W WO 9416431 A1 WO9416431 A1 WO 9416431A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- neck
- sound box
- instrument
- sound
- trough
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D1/00—General design of stringed musical instruments
- G10D1/04—Plucked or strummed string instruments, e.g. harps or lyres
- G10D1/05—Plucked or strummed string instruments, e.g. harps or lyres with fret boards or fingerboards
- G10D1/08—Guitars
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
- G10D3/06—Necks; Fingerboards, e.g. fret boards
Definitions
- the present invention relates to a fastening structure for fastening the neck of a stringed instrument to the sound box of the instrument as well as an instrument neck for use in connection with such a fastening structure.
- the fingerboard In traditional attachments of the neck of a stringed instrument, e.g. a guitar, effected by using a dovetail joint and its derivatives, the fingerboard is highly susceptible to buckling or flexure as a result of tension on the strings and climatic conditions.
- An object of the invention is to provide a more rigid fastening structure for the neck of an instrument yet without impairing the acoustic characteristics of the instrument.
- this object has been resolved in such a manner that and a fastening structure of the invention is characterized in that the sound board of the sound box is provided on the section thereof closer to the neck of an instrument with a trough-like groove, which extends parallel to the longitudinal direction of the neck and in which the end of the neck is adapted to be engaged.
- the neck attachment is sturdier and more rigid than in prior known types of joints and no above described buckling effect is experienced, since the neck attachment will be more rigid and tension of the strings will be better equalized on the sound board and waists of an instrument.
- Said trough-like groove may comprise a separate profiled element mounted on the sound box or it may be laminated, shaped or cast during the manufacturing process as part of the sound box.
- a preferred arrangement is such that said trough-like groove is adapted to brace itself against the sound board of the sound box and a waist portion connecting the sound board and the back of the sound box.
- a neck fastening structure of the invention is quicker and easier to manufacture industrially than the traditional structure.
- the neck can also be designed to be removable.
- the fastening must bve effected by using a properly selected adhesive which can be subjected to a thermal treatment for opening the joint whenever necessary.
- the neck of an instrument extends almost over the entire length and width of the fingerboard into the interior of the sound box.
- the novel neck fastening method has a beneficial effect on the sound of an instrument.
- the sound vibrations are more readily transmitted to the sound board and sound box of an instrument by virtue of the novel lightweight structure.
- a fastening structure of the invention is applicable e.g. for traditional instrument necks manufactured from solid or laminated wood as well as for a variety of necks made of composites.
- the material for a fastening trough or profile can be e.g. wood, polymer or a composite.
- a neck for a stringed instrument used in connection with a fastening structure of the invention is characterized in that said instrument neck is made at least partially hollow and that the hollow section of the neck is in an unobstructed contact with the sound box of an instrument.
- the thin and hollow neck of an instrument is used as an acoustic resonance space, which is in an open contact with a sound box through the bottom end of the neck.
- the open construction of the neck end assists in the transmission of vibration by air into the sound box.
- When plucking a string its vibration transmits from the string to the bridge and the sound board. It is principally the sound board that vibrates and the waists and the back reflect this vibration. The reflection of sound is transmitted out of the sound box through a sound hole or holes.
- Some of the vibration of a string is transmitted to the neck by way of the fingerboard and the nut, depending on the fingering of a musician.
- the vibration of a string is transmitted to the sound box by way of the neck attachment.
- Extremely light structures in the neck and neck attachment to the sound box enhance significantly the resonance qualities of an instrument and the transmission of vibration between the neck and the sound box.
- the neck is preferably made of a composite of epoxy resin and carbon fiber.
- the use of a composite enables the neck to become highly rigid and that prevents the neck from bending.
- the carbon fiber enables the manufacture of a hollow neck which is nonetheless sufficiently rigid.
- the manufacturing costs of the neck are lower since it involves less material.
- the manufacturing process is speedy and flexible.
- the neck structure is lighter than before by virtue of a thinner and firmer profile.
- the novel neck structure is suitable for composites, which enables the manufacture of a very thin-walled but sufficiently rigid neck for a musical instrument.
- Fig. 1 shows a longitudinal section through a joint structure between the sound box and the neck of an instrument.
- Fig. 2 shows a section along a line II-II in fig. 1.
- Figs. 1 and 2 illustrate in schematic longitudinal and cross- sections a fastening structure for fastening a guitar neck 1 to a guitar body or sound box 2.
- the sound box 2 includes a sound board 3, which is provided on the section thereof closer to the instrument neck 1 with a longitudinally extending trough-like groove 4, wherein the end of said neck 1 is adapted to be secured e.g. by gluing or pasting.
- the groove 4 may comprise a separate profiled element 5 fastened to the sound box 2 or it may be laminated, shaped or casat as a part of the sound box 2 during the manufacturing process.
- the groove 4 comprises a separate, trough-like, cross-sectionally essentially U-shaped profiled element 5.
- the U-profile 5 includes side walls 11 whose edge surfaces 12 are pasted essentially over the entire length thereof to the sound board 3 of said sound box 2.
- the U-profile is by its outer surface pasted to a shoe brace 12 used for bracing a waist portion 6 connecting the sound board 3 and the back 10 of said sound box 2.
- the waist portion 6 is preferably adapted to extend over the front surface of the U-profile and, in addition, the waist portion 6 and said front sirface of the U-profile are pasted to each other. If necessary, the bracing of U-profile 5 and/or neck 1 can be improved by means of separate reinforcing ribs.
- the U-profile 5 can be laminated, shaped or cast as a part of the sound box 2 during the manufacturing process.
- the inner surfaces of both side walls 11 of U-profile 5 are provided with a recess 7, the neck 1 being provided with matching protrusions 8 to be engaged therein.
- the recesses 7 and protrusions 8 are adapted to extend in the longitudinal direction of neck 1 but can also extend transversely to said longitudinal direction.
- the recesses 7 and the protrusions 8 are shaped to secure a relative engagement of themselves.
- a guitar-neck fastening structure of the invention renders it possible to make the instrument neck 1 at least partially hollow and that a hollow section 9 included in the neck 1 has an unobstructed communication with the instrument sound box 2.
- the neck 1 is open by its end surface facing towards the sound box 2.
- a neck 1 that is hollow and open relative to the sound box 2 stands to gain some acoustic benefits, as referred to above.
- the neck 1 need not be hollow but can also be made of a traditionally used solid material.
- the hollow profile for neck 1 shown in fig. 2 is provided with a partition 14 for reinforcing the structure.
- a fingerboard 15 On top of the neck 1 is further mounted a fingerboard 15, which can also be made as an integral part of the neck 1.
- the profiled element 5 is preferably dimensioned in a manner such that, with the exception of fingerboard 15, the neck 1 is embedded within the groove consisting of said profiled element 5.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Stringed Musical Instruments (AREA)
Abstract
The invention relates to a fastening structure for fastening the neck (1) of a stringed instrument to the sound box (2) of the instrument. The sound board (3) of the sound box (2) is provided on the section thereof closer to the neck (1) of an instrument with a trough-like groove (4) extending parallel to the longitudinal direction of the neck (1) and comprising a profiled element (5) for fastening the end of the neck (1) in a manner such that said profiled element (5) is adapted to brace itself against the sound board (3) of the sound box (2) and against a waist portion (6) connecting the sound board (3) and the back (10) of the sound box (2).
Description
COUPLING STRUCTURE FOR FIXING THE NECK OF Λ STRINGED MUSICAL INSTRUMENT.
The present invention relates to a fastening structure for fastening the neck of a stringed instrument to the sound box of the instrument as well as an instrument neck for use in connection with such a fastening structure.
In traditional attachments of the neck of a stringed instrument, e.g. a guitar, effected by using a dovetail joint and its derivatives, the fingerboard is highly susceptible to buckling or flexure as a result of tension on the strings and climatic conditions.
An object of the invention is to provide a more rigid fastening structure for the neck of an instrument yet without impairing the acoustic characteristics of the instrument.
According to the invention, this object has been resolved in such a manner that and a fastening structure of the invention is characterized in that the sound board of the sound box is provided on the section thereof closer to the neck of an instrument with a trough-like groove, which extends parallel to the longitudinal direction of the neck and in which the end of the neck is adapted to be engaged. By virtue of this novel joint the neck attachment is sturdier and more rigid than in prior known types of joints and no above described buckling effect is experienced, since the neck attachment will be more rigid and tension of the strings will be better equalized on the sound board and waists of an instrument.
Said trough-like groove may comprise a separate profiled element mounted on the sound box or it may be laminated, shaped
or cast during the manufacturing process as part of the sound box.
A preferred arrangement is such that said trough-like groove is adapted to brace itself against the sound board of the sound box and a waist portion connecting the sound board and the back of the sound box.
A neck fastening structure of the invention is quicker and easier to manufacture industrially than the traditional structure. The neck can also be designed to be removable. Thus, the fastening must bve effected by using a properly selected adhesive which can be subjected to a thermal treatment for opening the joint whenever necessary.
The neck of an instrument extends almost over the entire length and width of the fingerboard into the interior of the sound box. The novel neck fastening method has a beneficial effect on the sound of an instrument. The sound vibrations are more readily transmitted to the sound board and sound box of an instrument by virtue of the novel lightweight structure. Especially the notes played on the section of the fingerboard closer to the sound box sound better than with the necks designed by using traditional neck fastening methods. In a solution of the invention, it has been possible to reduce and lighten the mass of a shoe brace, which contributes to the enhancement of the resonance qualities of an instrument.
A fastening structure of the invention is applicable e.g. for traditional instrument necks manufactured from solid or laminated wood as well as for a variety of necks made of composites. The material for a fastening trough or profile can be e.g. wood, polymer or a composite.
A neck for a stringed instrument used in connection with a fastening structure of the invention is characterized in that said instrument neck is made at least partially hollow and that the hollow section of the neck is in an unobstructed contact with the sound box of an instrument.
In a solution of the invention, the thin and hollow neck of an instrument is used as an acoustic resonance space, which is in an open contact with a sound box through the bottom end of the neck. The open construction of the neck end assists in the transmission of vibration by air into the sound box. When plucking a string, its vibration transmits from the string to the bridge and the sound board. It is principally the sound board that vibrates and the waists and the back reflect this vibration. The reflection of sound is transmitted out of the sound box through a sound hole or holes. Some of the vibration of a string is transmitted to the neck by way of the fingerboard and the nut, depending on the fingering of a musician. Thus, the vibration of a string is transmitted to the sound box by way of the neck attachment. Extremely light structures in the neck and neck attachment to the sound box enhance significantly the resonance qualities of an instrument and the transmission of vibration between the neck and the sound box.
The neck is preferably made of a composite of epoxy resin and carbon fiber. The use of a composite enables the neck to become highly rigid and that prevents the neck from bending. The carbon fiber enables the manufacture of a hollow neck which is nonetheless sufficiently rigid. The manufacturing costs of the neck are lower since it involves less material. The manufacturing process is speedy and flexible. The neck structure is lighter than before by virtue of a thinner and firmer profile. The novel neck structure is suitable for
composites, which enables the manufacture of a very thin-walled but sufficiently rigid neck for a musical instrument.
The invention will now be described in more detail with reference made to the accompanying drawings, in which:
Fig. 1 shows a longitudinal section through a joint structure between the sound box and the neck of an instrument.
Fig. 2 shows a section along a line II-II in fig. 1.
Figs. 1 and 2 illustrate in schematic longitudinal and cross- sections a fastening structure for fastening a guitar neck 1 to a guitar body or sound box 2.
The sound box 2 includes a sound board 3, which is provided on the section thereof closer to the instrument neck 1 with a longitudinally extending trough-like groove 4, wherein the end of said neck 1 is adapted to be secured e.g. by gluing or pasting. The groove 4 may comprise a separate profiled element 5 fastened to the sound box 2 or it may be laminated, shaped or casat as a part of the sound box 2 during the manufacturing process.
In the exemplary embodiment shown in the drawing, the groove 4 comprises a separate, trough-like, cross-sectionally essentially U-shaped profiled element 5. The U-profile 5 includes side walls 11 whose edge surfaces 12 are pasted essentially over the entire length thereof to the sound board 3 of said sound box 2. In addition, the U-profile is by its outer surface pasted to a shoe brace 12 used for bracing a waist portion 6 connecting the sound board 3 and the back 10 of said sound box 2. The waist portion 6 is preferably adapted to extend over the front surface of the U-profile and, in addition, the waist portion 6 and said front sirface of
the U-profile are pasted to each other. If necessary, the bracing of U-profile 5 and/or neck 1 can be improved by means of separate reinforcing ribs.
Unlike the solution shown in the drawing, the U-profile 5 can be laminated, shaped or cast as a part of the sound box 2 during the manufacturing process.
In figs. 2, the inner surfaces of both side walls 11 of U-profile 5 are provided with a recess 7, the neck 1 being provided with matching protrusions 8 to be engaged therein. In fig. 2, the recesses 7 and protrusions 8 are adapted to extend in the longitudinal direction of neck 1 but can also extend transversely to said longitudinal direction. The recesses 7 and the protrusions 8 are shaped to secure a relative engagement of themselves.
A guitar-neck fastening structure of the invention renders it possible to make the instrument neck 1 at least partially hollow and that a hollow section 9 included in the neck 1 has an unobstructed communication with the instrument sound box 2. In fig. 1, the neck 1 is open by its end surface facing towards the sound box 2. A neck 1 that is hollow and open relative to the sound box 2 stands to gain some acoustic benefits, as referred to above. However, it is obvious that the neck 1 need not be hollow but can also be made of a traditionally used solid material.
The hollow profile for neck 1 shown in fig. 2 is provided with a partition 14 for reinforcing the structure. On top of the neck 1 is further mounted a fingerboard 15, which can also be made as an integral part of the neck 1.
The profiled element 5 is preferably dimensioned in a manner such that, with the exception of fingerboard 15, the neck 1 is
embedded within the groove consisting of said profiled element 5.
Claims
1. A fastening structure for fastening the neck (1) of a stringed instrument to the sound box (2) of the instrument, c h a r a c t e r i z e d in that the sound board (3) of the sound box (2) is provided on the section thereof closer to the neck (1) of an instrument with a trough-like groove (4) extending parallel to the longitudinal direction of the neck (1) and comprising a profiled element (5) for fastening the end of the neck (1) in a manner such that said profiled element (5) is adapted to brace itself against the sound board (3) of the sound box (2) and against a waist portion (6) connecting the sound board (3) and the back (10) of the sound box (2).
2. A fastening structure as set forth in claim 1, c h a r a c ¬ t e r i z e d in that said trough-like groove (4) comprises a separate profiled element (5) fastened to the sound box (2).
3. A fastening structure as set forth in claim 1, c h a r a c ¬ t e r i z e d in that said trough-like groove (4) is laminated, shaped or cast as a part of the sound box (2) during the manufacturing process.
4. A fastening structure as set forth in any of claims 1-3, c h a r a c t e r i z e d in that said trough-like groove (4) is provided with one or more recesses (7) or ridges for engaging in a matching protrusion (8) or recess included in the neck (1 ) .
5. A fastening structure as set forth in claim 4, c h a r a c ¬ t e r i z e d in that said recesses (7) or ridges are adapted to extend longitudinally or transversely relative to the longitudinal axis of said trough-like groove (4).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI930189 | 1993-01-18 | ||
FI930189A FI930189A0 (en) | 1993-01-18 | 1993-01-18 | FAESTEKONSTRUKTION FOER FAESTNING AV ETT STRAENGINSTRUMENTS HALS SAMT I SAMBAND MED FAESTEKONSTRUKTION ANVAEND HALS |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994016431A1 true WO1994016431A1 (en) | 1994-07-21 |
Family
ID=8536780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FI1994/000020 WO1994016431A1 (en) | 1993-01-18 | 1994-01-18 | Coupling structure for fixing the neck of a stringed musical instrument |
Country Status (2)
Country | Link |
---|---|
FI (1) | FI930189A0 (en) |
WO (1) | WO1994016431A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2289568A (en) * | 1994-05-18 | 1995-11-22 | Barry Roger Sims | Strengthened stringed instrument |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3204510A (en) * | 1963-01-24 | 1965-09-07 | Hopf Dieter | Stringed instrument |
US3439570A (en) * | 1967-10-16 | 1969-04-22 | Emerson L Lee | Stringed musical instruments having a slidably mounted neck |
US4144793A (en) * | 1977-06-20 | 1979-03-20 | Soika Emil H | Stringed instrument construction employing an integral, hollow, one piece body portion |
-
1993
- 1993-01-18 FI FI930189A patent/FI930189A0/en not_active Application Discontinuation
-
1994
- 1994-01-18 WO PCT/FI1994/000020 patent/WO1994016431A1/en active Search and Examination
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3204510A (en) * | 1963-01-24 | 1965-09-07 | Hopf Dieter | Stringed instrument |
US3439570A (en) * | 1967-10-16 | 1969-04-22 | Emerson L Lee | Stringed musical instruments having a slidably mounted neck |
US4144793A (en) * | 1977-06-20 | 1979-03-20 | Soika Emil H | Stringed instrument construction employing an integral, hollow, one piece body portion |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2289568A (en) * | 1994-05-18 | 1995-11-22 | Barry Roger Sims | Strengthened stringed instrument |
Also Published As
Publication number | Publication date |
---|---|
FI930189A0 (en) | 1993-01-18 |
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