US2959085A - Adjustable nut for fretted stringed musical instruments - Google Patents

Adjustable nut for fretted stringed musical instruments Download PDF

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US2959085A
US2959085A US817830A US81783059A US2959085A US 2959085 A US2959085 A US 2959085A US 817830 A US817830 A US 817830A US 81783059 A US81783059 A US 81783059A US 2959085 A US2959085 A US 2959085A
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nut
strings
musical instruments
adjustable nut
stringed musical
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Donald S Porter
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    • 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
    • G10D3/04—Bridges

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  • This invention relates to musical instruments of the stringed type such as guitars, the primary object of the invention being to provide an adjustable nut for an instrument, which is so constructed and arranged that the upper surfaces of the strings, which are of different diameters or thicknesses, will lie in a common plane or in a uniform level, so that the finger or thumb pick or steel, used in playing a steel guitar will contact all of the strings with equal force, in improving the tone effects.
  • Another object of the invention is to provide an adjustable nut for the various sized strings of a steel guitar so that the strings may be elevated or lowered the desired distances so that the upper surfaces of the strings will be on the same level, thereby permitting interchanging of the various sized strings to meet various requirements of use and still maintain a level of the upper surfaces common to all of the strings.
  • Still another object of the invention is to provide an adjustable nut designed for steel guitars which may be readily mounted on the instruments, in lieu of the conventional steel guitar nut with grooves arranged for the reception of the various sized strings of a guitar.
  • Figure 1 is a plan view of a steel guitar nut constructed in accordance with the invention.
  • Fig. 2 is a longitudinal sectional view through the adjustable nut taken on line 2-2 of Fig. 1.
  • Fig. 3 is a sectional view taken on line 3-3 of Fig. 1.
  • Fig. 4 is a sectional view taken on line 44 of Fig. 1.
  • Fig. 5 is a sectional view taken on line 5-5 of Fig. 1.
  • Fig. 6 is a sectional view through the nut supporting the base E string, which is the string of the instrument largest in diameter, the sectional views being so arranged as to illustrate the common level of the upper surfaces of the various sized strings of a steel guitar.
  • the reference character 5 indicates a steel guitar on which the nut forming subject matter of the present invention, is mounted, the nut embodying a supporting rod 6, formed with vertical openings 7 adjacent to the ends thereof through which the securing screws 8 are extended, the screws also passing through spacers 9 resting on the steel guitar and passing into the body of the steel guitar, securing the nut in position.
  • the screws 8 also pass through the spaced caps 9, which are formed with openings into which the ends of the supporting rod 6 extend.
  • the invention includes independent cylinders 10 which are mounted for rotary movement on the supporting rod 6, the cylinders 10 having their adjacent ends abutting, as clearly shown by Fig. 2 of the drawing.
  • Each cylinder is formed with an annular groove 11, the grooves being eccentrically formed, as shown by the sectional views in Figs. 3, 4, 5 and 6.
  • These grooves are designed to receive the various strings of the steel guitar in the Patented Nov. 8, 1960 same manner as the nut used on the conventional steel guitar, and provide means for maintaining the strings in their proper positions on the steel guitar.
  • Each cylinder is provided with a threaded opening in which a screw 12 is located, the screws 12 being designed to secure the cylinders in their positions of rotary adjustment.
  • the cylinders of the nut which support the strings of various diameters of a steel guitar may be adjusted so that the upper levels of the strings, regardless of their sizes, may be brought to a common level or plane, so that the steel used in playing the steel guitar will contact all of the strings simultaneously, and a pick used in vibrating the strings, may be moved across the strings contacting the strings with equal force, thereby improving the tone effect.
  • strings may be interchanged for various requirements of use, that is the base A or large string may be substituted for a small string in the event the strings are interchanged, thereby insuring the desired result and a true tone, in the use of the steel or pick used on the thumb or finger of the player.
  • the steel guitar is strung in the usual way, that is the strings of the guitar are placed in the notches of the nut to properly locate the strings.
  • the cylinders are loosened on the rod and rotated to elevate or lower the strings as necessary so that the upper surfaces of all the strings will be in the identical horizontal plane as described.
  • a nut for stringed instruments comprising a sup porting rod, means at the ends of said supporting rod for securing the supporting rod on the instrument, a plurality of substantially short tubular nut elements rotatably mounted on said supporting rod, each nut element having an eccentrically formed groove for supporting a string of the instrument in adjusted relation with respect to the adjacent string of the instrument, and means for securing the individual nut elements in their positions of adjustment.
  • a nut for a stringed instrument such as a steel guitar, comprising a supporting rod, means at the ends of said supporting rod for securing said rod to the instrument, a plurality of substantially short nut elements mounted for rotary adjustment on said supporting rod, the ends of the adjacent tubular nut elements contacting, and said nut elements having eccentric grooves in the peripheries thereof for supporting the strings of the instrument in adjusted relation with respect to each other, and means for securing the individual nut elements in their positions of adjustment.
  • a nut for stringed instruments comprising a supporting rod, bearings in which the ends of said rod are secured, a plurality of individual tubular nut elements mounted on said supporting rod, the adjacent ends of said nut elements contacting in providing a continuous nut, said nut elements having eccentically formed grooves v in the peripheries thereof, the grooves being formed adja- References Cited in the file of this patent UNITED STATES PATENTS 1,599,184 Polihronis Sept. 7, 1926 2,191,776 Schreiber Feb. 27, 1940 2,918,837 Webster Dec. 29, 1959

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stringed Musical Instruments (AREA)

Description

D. S. PORTER Nov. 8, 1960 ADJUSTABLE NUT FOR FRETTED STRINGED MUSICAL INSTRUMENTS Filed June 3. 1959 INVENTOR 1 I I I I I ATTORNEYS.
United States Patent ADJUSTABLE NUT FOR FRETTED STRINGED MUSICAL INSTRUMENTS Donald S. Porter, 11040 Dodson St., El Monte, Calif.
Filed June 3, 1959, Ser. No. 817,830
3 Claims. (Cl. 84-314) This invention relates to musical instruments of the stringed type such as guitars, the primary object of the invention being to provide an adjustable nut for an instrument, which is so constructed and arranged that the upper surfaces of the strings, which are of different diameters or thicknesses, will lie in a common plane or in a uniform level, so that the finger or thumb pick or steel, used in playing a steel guitar will contact all of the strings with equal force, in improving the tone effects.
Another object of the invention is to provide an adjustable nut for the various sized strings of a steel guitar so that the strings may be elevated or lowered the desired distances so that the upper surfaces of the strings will be on the same level, thereby permitting interchanging of the various sized strings to meet various requirements of use and still maintain a level of the upper surfaces common to all of the strings.
Still another object of the invention is to provide an adjustable nut designed for steel guitars which may be readily mounted on the instruments, in lieu of the conventional steel guitar nut with grooves arranged for the reception of the various sized strings of a guitar.
With the foregoing and other objects in view which will appear as the description proceeds, the invention consists of certain novel details of construction and combinations of parts, hereinafter more fully described and pointed out in the claims, it being understood that changes may be made in the construction and arrangement of parts without departing from the spirit of the invention as claimed.
Referring to the drawing:
Figure 1 is a plan view of a steel guitar nut constructed in accordance with the invention.
Fig. 2 is a longitudinal sectional view through the adjustable nut taken on line 2-2 of Fig. 1.
Fig. 3 is a sectional view taken on line 3-3 of Fig. 1.
Fig. 4 is a sectional view taken on line 44 of Fig. 1.
Fig. 5 is a sectional view taken on line 5-5 of Fig. 1.
Fig. 6 is a sectional view through the nut supporting the base E string, which is the string of the instrument largest in diameter, the sectional views being so arranged as to illustrate the common level of the upper surfaces of the various sized strings of a steel guitar.
Referring to the drawing in detail, the reference character 5 indicates a steel guitar on which the nut forming subject matter of the present invention, is mounted, the nut embodying a supporting rod 6, formed with vertical openings 7 adjacent to the ends thereof through which the securing screws 8 are extended, the screws also passing through spacers 9 resting on the steel guitar and passing into the body of the steel guitar, securing the nut in position.
The screws 8 also pass through the spaced caps 9, which are formed with openings into which the ends of the supporting rod 6 extend.
The invention includes independent cylinders 10 which are mounted for rotary movement on the supporting rod 6, the cylinders 10 having their adjacent ends abutting, as clearly shown by Fig. 2 of the drawing. Each cylinder is formed with an annular groove 11, the grooves being eccentrically formed, as shown by the sectional views in Figs. 3, 4, 5 and 6. These grooves are designed to receive the various strings of the steel guitar in the Patented Nov. 8, 1960 same manner as the nut used on the conventional steel guitar, and provide means for maintaining the strings in their proper positions on the steel guitar.
Each cylinder is provided with a threaded opening in which a screw 12 is located, the screws 12 being designed to secure the cylinders in their positions of rotary adjustment.
From the foregoing it will be seen that due to the construction shown and described, the cylinders of the nut which support the strings of various diameters of a steel guitar, may be adjusted so that the upper levels of the strings, regardless of their sizes, may be brought to a common level or plane, so that the steel used in playing the steel guitar will contact all of the strings simultaneously, and a pick used in vibrating the strings, may be moved across the strings contacting the strings with equal force, thereby improving the tone effect.
Due to this construction, strings may be interchanged for various requirements of use, that is the base A or large string may be substituted for a small string in the event the strings are interchanged, thereby insuring the desired result and a true tone, in the use of the steel or pick used on the thumb or finger of the player.
In the use of the nut, the steel guitar is strung in the usual way, that is the strings of the guitar are placed in the notches of the nut to properly locate the strings. The cylinders are loosened on the rod and rotated to elevate or lower the strings as necessary so that the upper surfaces of all the strings will be in the identical horizontal plane as described.
Having thus described the invention, what is claimed 1s:
1. A nut for stringed instruments, comprising a sup porting rod, means at the ends of said supporting rod for securing the supporting rod on the instrument, a plurality of substantially short tubular nut elements rotatably mounted on said supporting rod, each nut element having an eccentrically formed groove for supporting a string of the instrument in adjusted relation with respect to the adjacent string of the instrument, and means for securing the individual nut elements in their positions of adjustment.
2. A nut for a stringed instrument such as a steel guitar, comprising a supporting rod, means at the ends of said supporting rod for securing said rod to the instrument, a plurality of substantially short nut elements mounted for rotary adjustment on said supporting rod, the ends of the adjacent tubular nut elements contacting, and said nut elements having eccentric grooves in the peripheries thereof for supporting the strings of the instrument in adjusted relation with respect to each other, and means for securing the individual nut elements in their positions of adjustment.
3. A nut for stringed instruments comprising a supporting rod, bearings in which the ends of said rod are secured, a plurality of individual tubular nut elements mounted on said supporting rod, the adjacent ends of said nut elements contacting in providing a continuous nut, said nut elements having eccentically formed grooves v in the peripheries thereof, the grooves being formed adja- References Cited in the file of this patent UNITED STATES PATENTS 1,599,184 Polihronis Sept. 7, 1926 2,191,776 Schreiber Feb. 27, 1940 2,918,837 Webster Dec. 29, 1959
US817830A 1959-06-03 1959-06-03 Adjustable nut for fretted stringed musical instruments Expired - Lifetime US2959085A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3429214A (en) * 1966-06-02 1969-02-25 Micro Frets Corp Nut-mount for fingerboards
US4064780A (en) * 1974-11-26 1977-12-27 Andrew Bond Stringed instruments
US5260504A (en) * 1992-07-06 1993-11-09 Turner William T String support for stringed instrument
US6433264B1 (en) * 1998-11-25 2002-08-13 Ernie Ball, Inc. Compensated nut for a stringed instrument
US20040040432A1 (en) * 2002-02-14 2004-03-04 Erickson Gary D Intonation method and apparatus for stringed musical instrument
US20100236376A1 (en) * 2008-09-02 2010-09-23 Decker Gregory S Intonated nut with locking mechanism for musical instruments and methods of use
US8294012B1 (en) 2009-03-23 2012-10-23 Walter Neil Garrick Method and apparatus for adjusting nut of stringed instrument
US9959845B2 (en) 2014-10-07 2018-05-01 Gregory Scott Decker Locking intonated string nut with tuner mount for stringed musical instruments and methods of use
US10586517B2 (en) 2018-05-25 2020-03-10 Jay S. DICKINSON Intonation system for stringed instruments
US10607580B2 (en) 2018-05-25 2020-03-31 Jay S. Dicksinson Intonation system for stringed instruments
US10818272B1 (en) * 2019-12-27 2020-10-27 Fender Musical Instruments Corporation Bridge mono-saddle for stringed musical instrument

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1599184A (en) * 1922-09-07 1926-09-07 Polychronis William Jim Nut for musical instruments
US2191776A (en) * 1939-01-12 1940-02-27 Elmer A Schreiber Nut for stringed musical instruments
US2918837A (en) * 1957-11-08 1959-12-29 James D Webster Bridge for stringed musical instruments having means for adjusting the spacing of the strings

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1599184A (en) * 1922-09-07 1926-09-07 Polychronis William Jim Nut for musical instruments
US2191776A (en) * 1939-01-12 1940-02-27 Elmer A Schreiber Nut for stringed musical instruments
US2918837A (en) * 1957-11-08 1959-12-29 James D Webster Bridge for stringed musical instruments having means for adjusting the spacing of the strings

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3429214A (en) * 1966-06-02 1969-02-25 Micro Frets Corp Nut-mount for fingerboards
US4064780A (en) * 1974-11-26 1977-12-27 Andrew Bond Stringed instruments
US5260504A (en) * 1992-07-06 1993-11-09 Turner William T String support for stringed instrument
USRE36484E (en) * 1992-07-06 2000-01-11 Intertune, Inc. String support for stringed instrument
US6433264B1 (en) * 1998-11-25 2002-08-13 Ernie Ball, Inc. Compensated nut for a stringed instrument
US20040040432A1 (en) * 2002-02-14 2004-03-04 Erickson Gary D Intonation method and apparatus for stringed musical instrument
US20100236376A1 (en) * 2008-09-02 2010-09-23 Decker Gregory S Intonated nut with locking mechanism for musical instruments and methods of use
US8153873B2 (en) * 2008-09-02 2012-04-10 Gregory Scott Decker Intonated nut with locking mechanism for musical instruments and methods of use
US8354578B2 (en) 2008-09-02 2013-01-15 Gregory Scott Decker Intonated nut with locking mechanism for musical instruments and methods of use
US8294012B1 (en) 2009-03-23 2012-10-23 Walter Neil Garrick Method and apparatus for adjusting nut of stringed instrument
US9959845B2 (en) 2014-10-07 2018-05-01 Gregory Scott Decker Locking intonated string nut with tuner mount for stringed musical instruments and methods of use
US10586517B2 (en) 2018-05-25 2020-03-10 Jay S. DICKINSON Intonation system for stringed instruments
US10607580B2 (en) 2018-05-25 2020-03-31 Jay S. Dicksinson Intonation system for stringed instruments
US10818272B1 (en) * 2019-12-27 2020-10-27 Fender Musical Instruments Corporation Bridge mono-saddle for stringed musical instrument

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