US2740313A - Bridge for stringed musical instruments - Google Patents

Bridge for stringed musical instruments Download PDF

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Publication number
US2740313A
US2740313A US297349A US29734952A US2740313A US 2740313 A US2740313 A US 2740313A US 297349 A US297349 A US 297349A US 29734952 A US29734952 A US 29734952A US 2740313 A US2740313 A US 2740313A
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Prior art keywords
bridge
recesses
saddle
ways
walls
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US297349A
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Theodore M Mccarty
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GIBSON Inc
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GIBSON Inc
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10DSTRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D3/00Details of, or accessories for, stringed musical instruments, e.g. slide-bars
    • G10D3/04Bridges

Description

April 3, 1955 T. M. MCCARTY 2,740,313

BRIDGE FOR STRINGED MUSICAL INSTRUMENTS Filed July 5, 1952 a4 iiiif. 5. 2g INVENTOR.

i0 27 62 a g United States Patent 2,740,313 BRIDGE FOR STRINGED MUSICAL INSTRUMENTS Theodore M. McCarty, Kalamazoo, Mich., assignor to Gibson, Inc., Kalamazoo, Mich. Application July 5, 1952, Serial N 0. 297,349 8 Claims. (Cl. 84-307) This invention relates to improvements in bridge for stringed musical instruments.

My improved bridge is particularly adapted and designed for stringed musical instruments such as guitars and the like, although it has certain features of advantage for use in other types of stringed musical instruments.

The main objects of this invention are:

First, to provide a bridge for stringed musical instruments provided with an individually adjustable string supporting saddle for each string and one which may be adjusted without releasing the tension of the string.

Second, to provide a structure of this character in which the string rests of the saddles are disposed at one longitudinal edge of the saddle and the saddles are reversible, thereby substantially increasing the scope of adjustment of the saddles relative to the strings.

Third, to provide a bridge for stringed musical instruments having individual screw adjusted string supporting saddles which permits accurate adjustment thereof with the supported strings under tension, the saddles being supported on ways and the screws functioning merely as adjusting means, that is, they do not sustain the load on the saddles.

Fourth, to provide a bridge structure having these advantages which may be readily incorporated in instruments at the factory and which may be adapted or applied to instruments having sounding boards of various curvature as substitutes for other bridges.

Fifth, to provide a bridge for stringed musical instruments having these advantages which is capable of a wide range of adjustment to meet the requirements of the particular strings, that is, strings of different sizes and tolerance variations as well as plain strings or Wound strings.

Objects relating to details and economies of the invention will appear from the description to follow. The invention is defined and pointed out in the claims.

A preferred embodiment of the invention is illustrated in the accompanying drawing, in which:

Fig. 1 is a plan view of the guitar embodying my invention, parts of the instrument being shown conventionally, as my improvements relate to the bridge structure;

Fig. 2 is an enlarged fragmentary plan view of a preferred embodiment of my invention.

Fig. 3 is an enlarged fragmentary view partially in section on a line corresponding to the broken line 3-3 of Fig. 1.

Fig. 4 is a detailed view partially in section on a line corresponding to line 4-4 of Fig. 3.

'Fig. 5 is a fragmentary view of a modified form or embodiment of my invention which is employed when the bridge is designed for use on instruments having variously curved or shaped sounding boards.

Fig. 6 is a fragmentary view in section on a line corresponding to line 6-6 of Fig. 5.

In the accompanying drawing 1 represents the body of the instrument, 2 the neck and 3 the head. These parts are conventionally shown. The neck is provided with the usual frets 4 and the head with tuning pins indicated at 5. The strings 6 are of graduated sizes and are connected to the tail piece 7. These parts are conventionally shown as is also the hand rest 8. The embodiment of Figs. 1 to 4 comprises the base member 9 which is 'designed to fit the sounding board 10 of the instru- 2 ment. The base member is provided with threaded posts 11 which have peripherally knurled supports 12 thereon for the bridge member 13 having openings 14 receiving the posts.

The bridge member is provided with a plurality of upwardly opening longitudinally spaced recesses designated by the numerals 15 and 16, the recesses 16 dilfering from the recesses 15 in that the recesses 16 have shoulder-like ways 17 in the side walls thereof, whereas the ways 18 associated with the recesses 15 are on the top of or flush with the top of the bridge member. A supporting saddle 19 is provided for each string and these saddles are supported on the ways for adjustment transversely of the bridge or longitudinally of the strings. The saddles are provided with downwardly projecting tongues or stems 20 which slidably fit between the recesses and are threadingly engaged by the adjusting screws 21. These adjusting screws have journal portions 22 at one end and heads 3 at the other, provided with kerfs 24 adapted to receive a screw driver or the like for adjusting the screws. The screws have annular grooves 25 at the head ends thereof which receive the edges 26 of the U-shaped recesses in the front walls of the recesses 15 and 16 as is clearly shown in the drawing. This provides an effective support for the screws while permitting the easy removal thereof and the saddle engaged thereby. The thrust load of the strings on the saddles is carried by the ways so that the screws rotate freely, and effective support is provided for the saddle. The string rests 28 of the saddles are at one edge thereof, so that although the saddles are of substantial width to provide strength and stability, they may be reversed as is indicated in Fig. 2 to substantially doubling the scope of adjustment. The saddle members may be adjusted by the screw while the strings are under tension, which greatly expedites the accurate adjustment of the saddles to the particular strings or particular requirements.

Applicant is aware that it is old to provide bridges with adjustable saddles or string rests, that is, saddles which are adjustable longitudinally of the strings, as for example in the Laurian Patent 934,678 issued September 21, 1909, but in that instrument the scope of adjustment is limited to two positions and the tension of the strings must be released to permit adjustment of the string supporting members. In the embodiment illustrated the ways for the saddles are disposed in stepped relation which gives the contour to the strings.

The embodiment shown in Figs. 5 and 6 adapts the bridge for use on instruments having sounding boards of varying curvature or shape. In this embodiment of my invention the bridge base is formed of a pair of bridge elements 29, only one of which is shown, having longitudinal upwardly facing grooves 30 therein. The bottoms of the grooves are provided with concave seats 31 for the convexedly curved ends 32 of the posts 33 which correspond to the posts 12. The posts 33 are provided with block-like heads 34 which tiltingly fit the side walls 35 of the groove preventing lateral tilting of the posts and preventing rotating movement of the posts. The supports 12 are threaded upon the posts to support the bridge member 13 as in the embodiment of Figs. 1 to 3 inclusive. This embodiment of Figs. 5 and 6 permits the use of the bridge on instruments having sounding boards of different curvature, whereas the base of the preferred embodiment is designed to fit a particular sounding board.

I have illustrated and described my invention in a highly practical embodiment thereof. I have not attempted to illustrate or describe other adaptations or embodiments which I contemplate, as I believe this disclosure will enable those skilled in the art to embody or adapt my invention as may be desired.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:

1. A bridge for a stringed musical instrument comprising a bridge member having a plurality of upwardly facing recesses therein at longitudinally spaced points along the bridge member with parallel side walls and having saddle supporting ways disposed transversely of the bridge member at the sides of the recesses, said recesses having end walls with one end wall of each recess having an upwardly opening notch therein, saddle members freely and removably supported and slidable on said ways and provided with stems disposed below the Ways in said recesses in guiding relation to the side walls thereof, and adjusting screws having spaced collars at one end embracing said notched end walls and having journals at their other -ends received in the other end walls of said recesses, said screws being threadedly engaged with the stems of said saddle members for adjusting them on said ways, said saddle members having string seats on the top disposed at one edge thereof whereby reversing a saddle member on itsscrew places the string seat closer to one end of therecess than the other.

2. A bridge for a stringed musical instrument comprising a bridge member having a plurality of upwardly facing recesses therein at longitudinally spaced points along the bridge member with parallel side walls and having saddle supporting ways disposed transversely of the bridge member at the sides of the recesses, said recesses having end walls with oneend wall of each recess having an upwardly opening notch therein, saddle members freely and removablysupported and slidable on said ways and provided with stems disposed below'the ways in said recesses, and adjustingscrews having spaced collars at one end embracing said notched end walls, said screws being threadedly engaged with thestems of said saddle members for adjusting them 'on said ways, said saddle members having string seats on the top disposed in longitudinally ofr set non-centered relation thereon whereby reversing a saddle member on its screw places the string seat closer to one end of the recess than the other.

3. A bridge for a stringed musical instrument comprising a bridge member having a'plurality'of upwardly facing recesses therein "at longitudinally spaced points along the bridge member and having saddlesupporting ways associated with each recess'disposed transversely of the bridge member, said recesses having end walls with one end wall of each recess having'an upwardly opening notch therein, saddle members removably and slidably supported on said ways and guidingly engaged with said bridge member, stems on said saddle-members disposed in said recesses, and adjusting screwshaving spacedzcollars at one end embracing the notched end walls and'having journals at their otherends. receivedin the otherend walls of said recesses, said screws being'threadedly engaged with the stems ofsa'id saddle memb'ersfor adjusting them on said ways,'said saddle members having string seats on the top disposed closer toone end of the saddle member than the other.

'4. A bridge for a'stringed musical instrument comprising a bridge member having a plurality of upwardly facing recesses therein at longitudinally spaced points along the bridge member and having saddle supporting ways associated with each recess disposed transversely of'the bridge member, said recesses having'end walls with one end wall of each recess having anupwardly opening notch therein, saddle members removably and slidably supported on said ways, stems on said saddle members disposed in said recesses, and adjusting screws having spaced collars at one end-embracing the notched end walls, said screws being'threadedly' engaged with the stems of said saddle members for adjusting them on said ways, said saddle members having string seats on the top.

5. A bridge for stringed musical instruments comprising a base provided with posts, abridge member having openings for said posts, supports for said bridge member adjustably threaded upon said posts, said bridge member having a plurality of upwardly facing recesses therein at longitudinally spaced points along the bridge member with parallel side walls and having saddle supporting ways disposed transversely of the bridge member at the sides of the recesses, some of said ways being offset below the surface of the bridge member, said recesses having end walls with one end wall of each recess having an upwardly opening notch therein, saddle members slidable on said ways and provided with stems disposed below the ways in said recesses in guiding relation to the side walls thereof, and adjusting screws having spaced collars at one end embracing said notched end walls and having journals at their other ends received in the other end wall of said recesses, said screws being threadedly engaged with the stems of said saddle members for adjusting them on said ways, said saddle members having string seats on the top disposed at one end thereof whereby reversing a saddlemember on its screw places the string seat closer to the opposite side ,of the bridge member and increases the range of adjustment of the seat over a saddle member having a centered string seat.

6. Abridge for stringed musical instruments comprising a bridge member having a plurality of upwardly facing recesses therein at longitudinal spaced points along the bridge member and having saddle supporting ways associated with recesses and disposed transversely of the bridge member, said recesses having end walls with aligned'bearings, saddle members having upwardly facing string seats, said saddle members being removably and slidably supported on said ways, adjusting screws disposed in said recesses and threadingly engaging said saddle members centrally'between said way and removably engaging said bearings in end thrust sustaining engagementwith at least one of said end walls, said screws and saddle members being removably and replaceably associated with the bridge member as assembled units.

7. A bridge'for stringed musical instruments comprising a bridge member having a plurality of upwardly facing recesses therein at longitudinal spaced points along the'bridge member and having saddle supporting ways associated with recesses and disposed transversely of the bridge member, said recesses having end walls with aligned bearings, saddle members having upwardly facing string seats, said saddle members being removably and slidably supported on said ways and depending into said recesses, and adjusting screws threadingly engaging said saddle members .and removably engaging said bearing members in end thrust sustaining engagement with at least one of said end walls, said screws and saddle members being removably and replaceably associated with the bridge member ,as, assembled units.

8. A bridgefor stringed musical instruments comprising a bridge member havingfla plurality of upwardly facing recesses therein'at' longitudinal spaced points along the bridge member and having saddle supporting ways disposed transverselyof the bridge member at the sides of the recesses, said recesses having end walls provided with aligned bearings, the bearing in, one wall opening at the top of the wall, saddle members removably and slidablysupported on said.ways,,said saddlemembers having upwardly facing string seats, and adjusting screws threadingly engaging said saddle, member and removably engageable with said bearings forjthe removal of the saddle members andscrews as assembledunits. 7

References Cited in thefile of this patent UNITED STATES PATENTS 2,491,788 'Widowson ..-'Dec. 20, 1949 2,491,991 'Lundba'ck Dec.20, 1949 2,565,253 Melita Aug. 21,1951 2,573,254 *Fender Oct. 30, 1951 .FOREIGN PATENTS 10,851 Great :Britain. Feb. 20, 1913

US297349A 1952-07-05 1952-07-05 Bridge for stringed musical instruments Expired - Lifetime US2740313A (en)

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Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2846915A (en) * 1955-05-16 1958-08-12 Daria James Vincent Adjustable bridge for stringed musical instruments
US2905042A (en) * 1956-07-13 1959-09-22 Alexander A Kroo Stringed musical instrument bridge
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
US2972923A (en) * 1958-11-06 1961-02-28 Clarence L Fender Floating tremolo and bridge construction for lute-type musical instruments
US3178985A (en) * 1962-11-15 1965-04-20 Richard C Jeranson Stringed musical instrument bridge
US3237502A (en) * 1964-05-11 1966-03-01 Semie A Moseley Stringed musical instrument
US3910151A (en) * 1974-03-18 1975-10-07 Leigh Copeland Stringed musical instrument
US4069733A (en) * 1973-11-16 1978-01-24 Quan Glen D Combined bridge and string anchoring device for stringed musical instruments
US4230014A (en) * 1979-01-08 1980-10-28 Hoshino Gakki Ten, Inc. Securement of guitar bridge to guitar body
US4430919A (en) * 1981-08-05 1984-02-14 Hoshino Gakki Co., Ltd. Guitar bridge
US4549461A (en) * 1982-03-15 1985-10-29 Rose Floyd D Apparatus for restraining and fine tuning the strings of a musical instrument, particularly guitars
US4611523A (en) * 1985-05-17 1986-09-16 Mcfarland John H Device for setting the intonation of the individual strings of a fretted string instrument
US5285710A (en) * 1992-06-29 1994-02-15 Chapman Emmett H Adjustable bridge for a stringed musical instrument
GR1003073B (en) * 1997-10-21 1999-02-12 Λαδας Γεωργιου Σταυρος Height, length and declinations regulator for musical instruments
US6613968B1 (en) 2000-01-27 2003-09-02 Sharon C. Devereaux Guitar bridge and tailpiece
US6686523B1 (en) 2001-01-16 2004-02-03 Sharon Devereaux System and method for mounting instrument components
US20040134329A1 (en) * 2003-01-13 2004-07-15 Turner William T Variable configuration guitar bridge
US20090205477A1 (en) * 2008-02-14 2009-08-20 Stadler Thomas M Integral Saddle and Bridge for Stringed Musical Instruments
US20120103171A1 (en) * 2008-10-28 2012-05-03 Larry David Lashbrook Bridge for a Stringed Musical Instrument
US20140144307A1 (en) * 2011-05-04 2014-05-29 Juan José Hugo Ceja Estrada Guitar
US8748717B2 (en) 2011-04-06 2014-06-10 Michael Cory Mason Guitar accessories
US20150279339A1 (en) * 2014-03-25 2015-10-01 Jeffrey T. BABICZ, SR. String support devices for string instruments and related methods
US20160035326A1 (en) * 2011-05-04 2016-02-04 Juan Jose Hugo Ceja Estrada Guitar
US9478198B1 (en) 2015-06-18 2016-10-25 Brian H. Daley Recessed concave fingerboard
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191310851A (en) * 1913-11-06 1914-05-14 Sveinbjoern Sveinbjoernsson An Improved Tobacco Pipe.
US2491991A (en) * 1946-01-08 1949-12-20 Lundback Per Gustav Folke Bridge for stringed instruments
US2491788A (en) * 1946-02-25 1949-12-20 Valco Mfg Co Bridge for fretted stringed musical instruments
US2565253A (en) * 1949-11-14 1951-08-21 Melita Sebastiano Adjustable guitar bridge
US2573254A (en) * 1950-01-13 1951-10-30 Clarence L Fender Combination bridge and pickup assembly for string instruments

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191310851A (en) * 1913-11-06 1914-05-14 Sveinbjoern Sveinbjoernsson An Improved Tobacco Pipe.
US2491991A (en) * 1946-01-08 1949-12-20 Lundback Per Gustav Folke Bridge for stringed instruments
US2491788A (en) * 1946-02-25 1949-12-20 Valco Mfg Co Bridge for fretted stringed musical instruments
US2565253A (en) * 1949-11-14 1951-08-21 Melita Sebastiano Adjustable guitar bridge
US2573254A (en) * 1950-01-13 1951-10-30 Clarence L Fender Combination bridge and pickup assembly for string instruments

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2846915A (en) * 1955-05-16 1958-08-12 Daria James Vincent Adjustable bridge for stringed musical instruments
US2905042A (en) * 1956-07-13 1959-09-22 Alexander A Kroo Stringed musical instrument bridge
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
US2972923A (en) * 1958-11-06 1961-02-28 Clarence L Fender Floating tremolo and bridge construction for lute-type musical instruments
US3178985A (en) * 1962-11-15 1965-04-20 Richard C Jeranson Stringed musical instrument bridge
US3237502A (en) * 1964-05-11 1966-03-01 Semie A Moseley Stringed musical instrument
US4069733A (en) * 1973-11-16 1978-01-24 Quan Glen D Combined bridge and string anchoring device for stringed musical instruments
US3910151A (en) * 1974-03-18 1975-10-07 Leigh Copeland Stringed musical instrument
US4230014A (en) * 1979-01-08 1980-10-28 Hoshino Gakki Ten, Inc. Securement of guitar bridge to guitar body
US4430919A (en) * 1981-08-05 1984-02-14 Hoshino Gakki Co., Ltd. Guitar bridge
US4549461A (en) * 1982-03-15 1985-10-29 Rose Floyd D Apparatus for restraining and fine tuning the strings of a musical instrument, particularly guitars
US4611523A (en) * 1985-05-17 1986-09-16 Mcfarland John H Device for setting the intonation of the individual strings of a fretted string instrument
US5285710A (en) * 1992-06-29 1994-02-15 Chapman Emmett H Adjustable bridge for a stringed musical instrument
GR1003073B (en) * 1997-10-21 1999-02-12 Λαδας Γεωργιου Σταυρος Height, length and declinations regulator for musical instruments
US6613968B1 (en) 2000-01-27 2003-09-02 Sharon C. Devereaux Guitar bridge and tailpiece
US20030230184A1 (en) * 2000-01-27 2003-12-18 Devereaux Sharon C. Guitar bridge and tailpiece
US20040074367A1 (en) * 2001-01-16 2004-04-22 Sharon Devereaux System and method for mounting instrument components
US6686523B1 (en) 2001-01-16 2004-02-03 Sharon Devereaux System and method for mounting instrument components
US20040134329A1 (en) * 2003-01-13 2004-07-15 Turner William T Variable configuration guitar bridge
US20050045018A1 (en) * 2003-01-13 2005-03-03 Fender Musical Instruments Variable configuration guitar bridge
US6870083B2 (en) 2003-01-13 2005-03-22 Fender Musical Instruments Variable configuration guitar bridge
US20090205477A1 (en) * 2008-02-14 2009-08-20 Stadler Thomas M Integral Saddle and Bridge for Stringed Musical Instruments
US7663038B2 (en) 2008-02-14 2010-02-16 Thomas M. Stadler Integral saddle and bridge for stringed musical instruments
US20120103171A1 (en) * 2008-10-28 2012-05-03 Larry David Lashbrook Bridge for a Stringed Musical Instrument
US8748717B2 (en) 2011-04-06 2014-06-10 Michael Cory Mason Guitar accessories
US20140144307A1 (en) * 2011-05-04 2014-05-29 Juan José Hugo Ceja Estrada Guitar
US20160035326A1 (en) * 2011-05-04 2016-02-04 Juan Jose Hugo Ceja Estrada Guitar
US9472170B2 (en) * 2011-05-04 2016-10-18 Juan Jose Hugo Ceja Estrada Guitar
US20150279339A1 (en) * 2014-03-25 2015-10-01 Jeffrey T. BABICZ, SR. String support devices for string instruments and related methods
US9449587B2 (en) * 2014-03-25 2016-09-20 Jeffrey T. BABICZ, SR. String support devices for string instruments and related methods
US9478198B1 (en) 2015-06-18 2016-10-25 Brian H. Daley Recessed concave fingerboard
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

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