US2450210A - String depressor for stringed musical instruments - Google Patents

String depressor for stringed musical instruments Download PDF

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Publication number
US2450210A
US2450210A US654896A US65489646A US2450210A US 2450210 A US2450210 A US 2450210A US 654896 A US654896 A US 654896A US 65489646 A US65489646 A US 65489646A US 2450210 A US2450210 A US 2450210A
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instrument
string
plate
depressor
stringed musical
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US654896A
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Howard L Sprague
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Howard L Sprague
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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
    • G10D3/06Necks; Fingerboards, e.g. fret boards
    • G10D3/08Fingerboards in the form of keyboards

Description

Sept. 28,- 1948.

H. L. SPRAGUE STRING DEPRESSOR FOR STRINGED MUSICAL INSTRUMENTS Filed March 16, 1946 2 Sheets-Sheet l 240% WWW Sept. 28, 1948.

H. L. SPRAGUE STRING DEPRESSOR FOR STRINGED MUSICAL INSTRUMENTS 2 Sheets-Sheet 2 Filed March 16, 1946 HOWARD L SPF/460E.

Patented Sept. 28, 1948 UNITED STATES PATENT OFFICE STRING DEPRESSOR FOR STRINGED' MUSICAL INSTRUMENTS Howard L. Sprague, New York, N. Y.

Application March 16, 1946, Serial No. 654,896

1 Claim.

This invention relates to a string depressor for stringed musical instruments and has for its primary object to facilitate the lingerin of instruments of this character.

The invention is particularly applicable for use in connection with stringed musical instruments of the lute type in which the instrument is provided with a head adjacent which is located a finger board having a plurality of transversely extending frets between which the strings are adapted to be depressed against the finger board. In the fingering of instruments of this type it is difiicult for a person having large finger-tips accurately to depress a string without interfering with adjacent strings.

An object of this invention is to facilitate the accurate depressing of the selected string without interfering with adjacent strings in order to preserve the purity of tone and produce accurate melody.

Another object of this invention is to depress a plurality of strings simultaneously in order that chords may be played by the use of a single finger.

The above and other objects may be attained by employing this invention which embodies among its features a perforated plate adapted to be mounted on an instrument of the lute type adjacent the head thereof, a depressible button mounted in each perforation in the plate and a stop carried by each button for depressing at least one string of the instrument against the finger board between a pair of frets.

Other features include a stop so designed that it will depress a plurality of strings on the instrument against the finger board between pairs of frets whereby chords may be played,

Still other features include means yieldingly to sustain each button elevated and the stop out of contact with the string until the button is depressed by the player of the instrument.

In the drawings,

Figure 1 is a plan view of a stringed musical instrument showing my improved string depressor in place thereon.

Figure 2 is a fragmentary enlarged side view of the finger board and a portion of the head of the instrument showing it equipped with my improved string depressor,

Figure 3 is a transverse sectional view taken substantially along the line 3-3 of Figure 2,

Figure 4 is an enlarged plan view of this improved string depressor,

Figure 5 is a bottom plan view of Figure 4,

Figure 6 is a, transverse sectional view taken substantially along the line 6-6 of Figure 4,

Figure 7 is a horizontal sectional view of the string depressor taken substantially along the line 7-1 of Figure 2, and

Figure 8 is a perspective view of one of the stops and its associated button.

Referring to the drawings in detail, a stringed instrument designated generally It] comprises a body or sound box H to one'end of which is attached the usual neck l2 provided on its upper side with a finger board l3 across which frets l4 extend. The end of the neck l2 opposite that connected to the body or sound box I l is provided with the usual head I5 in which the pegs I6 supporting strings I! are mounted. The instrument is provided with the usual bridge l8 which supports the strings in spaced relation above the finger board I3 all in the conventional manner.

My improved strin depressor designated generally l9 comprises a pair of spaced parallel plates 26 and 2! held in fixed spaced relation by upturned side flanges 22 formed on the plate 2! carrying at their upper edges inturned flanges 23 which are pierced at spaced intervals with internally threaded openings 24 for the reception of attaching screws 25 by means of which the plate 20 is rigidly held in proper position. Formed in the plate 20 at suitably spaced intervals are perforations 25, and formed at various locations in the plate 2! are slots 21 which extend perpendicular to the longitudinal axis of the string depressor I9. Suitable spacing pins 28 are carried by the plate 2| near one end and are adapted to cooperate with the bridge [8 in supporting the strin depressor 19 in spaced relation with the finger board l3 and out of contact with the strings I! as will be readily understood upon reference to Figure 2.

Mounted for vertical sliding movement in each opening 26 in the plate 20 is a button 29 to the lower end of which is attached a stop designated generally 30. Each such stop comprises a base plate 3| having angularly extending therefrom depending fingers 32 the free ends of which are received in the slots 21 while the plate 32 bears against the inner face of the top plate 20 to limit upward movement of the stop. It is to be noted coil spring 35 surrounds each washer 34 with its upper end bearing against the plate 31 while the lower end of the spring rests upon the inner face of the bottom plate 2|. It will thus be seen that the button and its respective stop will be yieldingly urged upwardly through its respective opening 26 in the plate 20. It is to be understood that the plate 3| may take various different shapes so that the finger 32 may be disposed to engage various different strings of the instrument so that when a single button is depressed a number of strings may be depressed into contact with the finger board between the frets. On the other hand each plate 3| may carry only one such extension 32 so that when it respective button is depressed only one string will be depressed. Thus many combinations of strings may be depressed simultaneously according to the design of the device.

In operation it will be understood that the device is placed in position on the instrument as illustrated in Figures land 2 and it may-beheld thereon by any suitable attaching means such as a strap 36 which may be connected to the device in any suitable manner,- in such a position as to embrace the neck 12 of the instrument. Upon depressing one of the buttons 29 its respective stop will be moved downwardly so as to cause the fingers carried thereby to contact the strings and depress them into contact with the finger board l3 between the frets M. In this way various chords and combinations may be played and the fingering of the instrument is materially simplified.

While in the foregoing there has been shown and described the preferred embodiment of this invention it is to be understood that minor changes in the details of construction, combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as claimed.

What I claim as my invention is:

A string depressor for a stringed musical instrument comprising a hollow rectangular box adapted to be mounted on the finger board of an instrument of the lute type adjacent the head thereof, the wall of the box remote from the instrument having spaced apertures extending therethrough, the wall of the box adjacent the instrument having spaced parallel slots therein which lie perpendicular to the longitudinal axis of the box, a stop within the box aligning with each aperture, fingers on the stops extending through the slots, a push-button fixed to each stop and projecting from its respective stop through an aperture in a direction opposite that in which the fingers project and compression coiled springs, each bearing at one end on a stop and at its opposite end on the inner face of the Wall of the box adjacent the instrument to hold the fingers out of contact with the strings of the instrument.

HOWARD L. SPRAGUE.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 7 1,374,388 Reed Apr. 12, 1921 1,437,026 Spartivento Nov. 28, 1922 1,519,881 Stein Dec. 16, 1924 1,635,542 Conner July 12, 1927 1,852.853 Nichols Apr. 5, 1932 2,132,281 Adamscn Oct. 4, 193.8

US654896A 1946-03-16 1946-03-16 String depressor for stringed musical instruments Expired - Lifetime US2450210A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669151A (en) * 1951-04-10 1954-02-16 Maccaferri Mario Chord player
US3230815A (en) * 1963-02-06 1966-01-25 Robert N Currier Musical instrument
US3776088A (en) * 1972-09-20 1973-12-04 C Jones Chord playing attachment for string musical instruments
US4566365A (en) * 1984-10-05 1986-01-28 Huston Jr Roy E Chord playing attachment for stringed musical instruments
US4622880A (en) * 1984-09-20 1986-11-18 Marvin R. Glemmings Chording apparatus for stringed musical instrument
US5492045A (en) * 1994-02-07 1996-02-20 Roblee; Todd A. Quick release capo for stringed instrument
US8319082B1 (en) 2009-10-22 2012-11-27 George Donald Bacon Stringed instrument keyboard
US20150090096A1 (en) * 2013-09-30 2015-04-02 Kevin L. Krumwiede Pedal Operated Configurable Guitar Chord Player

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1374388A (en) * 1918-06-14 1921-04-12 Charles H Reed Fingering attachment for stringed instruments
US1437026A (en) * 1921-09-27 1922-11-28 Spartivento William Fingering attachment for guitars
US1519881A (en) * 1923-09-07 1924-12-16 Anton C Kalusche Chord-playing attachment for stringed instruments
US1635542A (en) * 1922-10-18 1927-07-12 James S Conner Playing attachment for stringed instruments
US1852853A (en) * 1930-07-09 1932-04-05 Harmony Company Musical instrument
US2132281A (en) * 1937-02-25 1938-10-04 Herschel E Adamson Guitar playing simplifier

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1374388A (en) * 1918-06-14 1921-04-12 Charles H Reed Fingering attachment for stringed instruments
US1437026A (en) * 1921-09-27 1922-11-28 Spartivento William Fingering attachment for guitars
US1635542A (en) * 1922-10-18 1927-07-12 James S Conner Playing attachment for stringed instruments
US1519881A (en) * 1923-09-07 1924-12-16 Anton C Kalusche Chord-playing attachment for stringed instruments
US1852853A (en) * 1930-07-09 1932-04-05 Harmony Company Musical instrument
US2132281A (en) * 1937-02-25 1938-10-04 Herschel E Adamson Guitar playing simplifier

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669151A (en) * 1951-04-10 1954-02-16 Maccaferri Mario Chord player
US3230815A (en) * 1963-02-06 1966-01-25 Robert N Currier Musical instrument
US3776088A (en) * 1972-09-20 1973-12-04 C Jones Chord playing attachment for string musical instruments
US4622880A (en) * 1984-09-20 1986-11-18 Marvin R. Glemmings Chording apparatus for stringed musical instrument
US4566365A (en) * 1984-10-05 1986-01-28 Huston Jr Roy E Chord playing attachment for stringed musical instruments
US5492045A (en) * 1994-02-07 1996-02-20 Roblee; Todd A. Quick release capo for stringed instrument
US8319082B1 (en) 2009-10-22 2012-11-27 George Donald Bacon Stringed instrument keyboard
US20150090096A1 (en) * 2013-09-30 2015-04-02 Kevin L. Krumwiede Pedal Operated Configurable Guitar Chord Player
US9076413B2 (en) * 2013-09-30 2015-07-07 Kevin L Krumwiede Pedal operated configurable guitar chord player

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