CN87208670U

CN87208670U - Guitar finger-board tone adjuster

Info

Publication number: CN87208670U
Application number: CN 87208670
Authority: CN
Inventors: 王利民
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-05-30
Filing date: 1987-05-30
Publication date: 1987-12-31

Abstract

The utility model discloses a guitar fingerboards transposer, which mainly comprises a bar frets bridge with a sticker for pressing strings, an arc connecting unit, and an arch core. One end of the bar frets bridge is rotatablely fixed with one end of the arc connecting unit; the other end of the bar frets bridge is connected with the other end of the arc connecting unit; the connection is collapsible. The arch core is arranged under the top of the arc connecting unit by an adjusting bolt, the arch core can be moved from top to bottom. The utility model has the advantages that the structure is simple, the installation and the adjustment are convenient. The utility model which is good for spreading the skills of playing with modulated frequency can be conveniently moved among the different frets on the neck.

Description

Guitar finger-board tone adjuster

The utility model relates to the servicing unit on a kind of musical instrument, particularly relates to the fingerboard transposer that uses on a kind of guitar.

At present, guitar has become a kind of popular musical instrument that is subjected to.In general, the natural pitch of guitar is realized by the degree of tightness of regulating string, still so often breaks string easily, and very inconvenient.Some fingerboard transposers have appearred in the market, or claiming the folder that modifies tone, it is a kind of device that changes the nature pitch, promptly by this fingerboard transposer being placed in the different grades on the guitar neck, can be in order to changing the natural pitch of guitar, and regulate very convenient.Adopt the fret transposer, changed traditional musical performance form and the method for guitar, increased guitar and played the scope of utilization, improved the acoustics of guitar, remedied because some weak point that condition caused of guitar itself.We can say, adopt the fingerboard transposer to change the performance scope of guitar, with regard to its form, itself is exactly a kind of musical performance form and art of uniqueness, musicians' performance method that is referred to as to modify tone.

But the fret transposer of Chu Xianing is all more coarse in the market, and also not too reasonable in structure.A kind of fingerboard transposer for example shown in Figure 1, it is by the grade bridge that has Qian shape groove ［ 1 ］, and fixed head ［ 2 ］ and pressure zone ［ 3 ］ constitute, and a side of grade bridge ［ 1 ］ has the string filler strip ［ 4 ］ of pressure, is shaped on one group of regulating tank ［ 5 ］ on the grade bridge.One end of pressure zone ［ 3 ］ is connected with an end of grade bridge ［ 1 ］, and the other end of pressure zone ［ 3 ］ is connected with an end of fixed head ［ 2 ］, also is shaped on a pair of fixed leg ［ 6 ］ at this end of fixed head ［ 2 ］.To press string filler strip ［ 4 ］ to be pressed on the grade on the guitar neck during use, with the back of pressure zone ［ 3 ］ around the guitar neck, then the fixed leg ［ 6 ］ on the fixed head ［ 2 ］ is embedded on the regulating tank ［ 5 ］ on the grade bridge, fixed head ［ 2 ］ is pressed in the Qian shape groove of grade bridge ［ 1 ］ then.This fingerboard transposer is rustic not only, and profile is not attractive in appearance, the more important thing is that fixed effect is bad, promotes easily, thereby influences the accuracy of pitch; It is also very inconvenient to move to another grade as need, and also very inconvenient when regulating the elasticity of pressing string, and is subjected to the restriction of regulating tank position.

The purpose of this utility model is to make a kind of more convenient fret transposer of installing and regulate.

Above-mentioned purpose of the present utility model is realized by following manner: this fingerboard transposer is mainly by the bar shaped grade bridge, arc link and arch core three parts constitute, one end of bar shaped grade bridge constitutes rotating fixedlying connected with an end of arc link, the other end of bar shaped grade bridge constitutes demountable fixedlying connected with the other end of arc link, the arch core is installed in below the arc link top by the adjusting bolt, rotates the adjusting bolt arch core is moved up and down; The upside of bar shaped grade bridge is equipped with the pressure string filler strip of being made by soft material, the radian of arc link inboard just in time is complementary with the radian at guitar neck back, arch core lower side is also made the curved surface of certain radian, and its radian is also consistent with the radian of arc link inboard.Note: by the bar shaped grade bridge, the interior shape of the closing structure that the arc link constitutes and size should be just in time be complementary with the outer shape and the size of guitar neck, be preferably with the interior pad that soft material is made in the inboard of arc link, be preferably with the arc filler strip that soft material is made in arch core bottom.

This fingerboard transposer divides flat pattern fingerboard transposer and camber fingerboard transposer.For the former, the upside of above-mentioned bar shaped grade bridge is the plane, and the pressure string filler strip that links to each other with upside also is the plane; For the latter, the upside of above-mentioned bar shaped grade bridge slightly is curved surface, and the pressure string filler strip that links to each other with upside also slightly is curved surface.

The utility model is good looking appearance not only, simple in structure, the more important thing is and be use and easy for installation, owing to can regulate the arch core by adjusting screw, so both scalable press the string filler strip to the pressure of string so that regulate natural pitch on each grade, and be convenient to be displaced to another grade from product.So the fingerboard transposer that adopts this structure is for carrying out and promoting guitar modified tone performance method and lay a good foundation.

Below in conjunction with accompanying drawing embodiment of the present utility model is further described, thereby makes details of the present utility model and advantage more obvious, wherein

Fig. 1 is the structural representation of the fingerboard transposer in the prior art;

Fig. 2 is the structural representation of an embodiment of camber fingerboard transposer of the present utility model;

Fig. 3 is the partial schematic diagram of the foregoing description;

Fig. 4 is the partial schematic diagram of an embodiment of flat pattern fingerboard transposer;

Fig. 5 is the synoptic diagram that the fingerboard transposer is installed on guitar.

Referring now to accompanying drawing 2,, and Fig. 3, this is an example of camber fingerboard transposer, and this fingerboard transposer is mainly by bar shaped grade bridge ［ 11 ］, and camber link and arch core ［ 12 ］ constitute, and above-mentioned these parts can be made by metal material.The camber link presss from both sides ［ 13 ］ and ［ 14 ］ by a pair of arc and a bow member ［ 15 ］ is formed, and fixedlys connected by holding screw ［ 16 ］ respectively with the two ends that a pair of arc presss from both sides ［ 13 ］ and ［ 14 ］ in the two ends of bow member ［ 15 ］.One end of bar shaped grade bridge ［ 11 ］ is shaped on a pair of bearing pin ［ 17 ］, one end of arc folder ［ 13 ］ is shaped on the connector ［ 18 ］ of a pair of band pin shaft hole, the bearing pin ［ 17 ］ of above-mentioned bar shaped grade bridge ［ 11 ］ is inserted in the pin shaft hole of arc folder ［ 13 ］, thereby it is rotating fixedly connected that both are constituted.The other end of bar shaped grade bridge ［ 11 ］ is shaped on connecting hole ［ 20 ］ and fixed orifice ［ 21 ］, one end of arc folder ［ 14 ］ is shaped on the connecting pin ［ 22 ］ that has pilot hole ［ 24 ］, connecting pin ［ 22 ］ is inserted in the above-mentioned connecting hole ［ 20 ］, and be screwed into set screw ［ 23 ］ and make arc folder ［ 14 ］ and demountable the fixedlying connected of bar shaped grade bridge ［ 11 ］ formation after withstanding pilot hole ［ 24 ］ behind the fixed orifice.At the top of bow member ［ 15 ］ a pilot hole (not shown) is arranged, at arch core ［ 12 ］ top a pilot hole (not shown) is arranged also, one regulates bolt ［ 30 ］ is screwed into pilot hole, thereby bow member ［ 15 ］ and arch core ［ 12 ］ are linked together, in the lower end of regulating bolt ［ 30 ］ one ring groove ［ 27 ］ is arranged, there is a lock hole ［ 28 ］ side at the arch core, one lock screw ［ 29 ］ is screwed into lock hole ［ 28 ］, ring groove ［ 27 ］ is withstood after stretching out in its end from lock hole ［ 28 ］, so just can make regulate bolt ［ 30 ］ both can in rotate, can drive arch core ［ 12 ］ again and move up and down and be unlikely the arch core is fallen down.The both sides of this external arch core ［ 12 ］ have guide plate ［ 25 ］ and ［ 26 ］ (［ 26 ］ are not shown at the back), it is fixed on the arch core ［ 12 ］ by two pairs of screws ［ 31 ］, ［ 32 ］ and ［ 33 ］, ［ 34 ］ (［ 33 ］ and ［ 34 ］ are not shown at the back), can only move up and down and can not deflect thereby can guarantee to encircle core.In addition, adhering to pad ［ 10 ］ in the sheepskin in the inboard of arc ［ 13 ］ and ［ 14 ］, to prevent when clamping the guitar neck, damaging guitar.Lower side at the arch core is also made the curved surface of certain radian, and its radian is consistent with the radian of arc link inboard and adhering to rubber system arc filler strip ［ 35 ］, and its purpose also is for fear of the damage neck.Also adhering to the pressure string filler strip of rubber system at the upside of bar shaped grade bridge ［ 11 ］, its objective is to prevent to damage string.

For string shape fingerboard transposer, as shown in Figure 2, the upside of its bar shaped grade bridge ［ 11 ］ and the pressure string filler strip ［ 35 ］ that is adhering to thereof slightly are curved surface.For flat pattern fingerboard modified tone joint, as shown in Figure 4, the upside of its bar shaped grade bridge ［ 11 ］ and the pressure string filler strip ［ 36 ］ that is adhering to thereof are the plane, and the structure of all the other each several parts and arc fingerboard transposer are identical.

Fig. 5 is the synoptic diagram that the fingerboard transposer is installed on guitar: ［ 19 ］ expression fingerboard transposer among the figure, the arc link is enclosed within on some grades of guitar neck, then connecting pin ［ 22 ］ inserted in the above-mentioned connecting hole ［ 20 ］, again by set screw ［ 23 ］ be screwed into withstand pilot hole ［ 24 ］ behind the fixed orifice thus make arc folder ［ 14 ］ and bar shaped grade bridge ［ 11 ］ thus link together the fingerboard transposer be clamped on the guitar neck, again by regulate bolt ［ 30 ］ regulate bar shaped grade bridge ［ 11 ］ to the pressure of string so that adjustment nature pitch.

Claims

1, the fingerboard transposer that uses on a kind of guitar, it comprises grade bridge and coupling arrangement, one side of grade bridge has the pressure filler strip, of the present utility model being characterised in that, above-mentioned grade bridge is the grade bridge of bar shaped, above-mentioned coupling arrangement comprises arc link and arch core, one end of above-mentioned bar shaped grade bridge constitutes rotating fixedlying connected with an end of above-mentioned string shape link, the other end of above-mentioned bar shaped grade bridge constitutes demountable fixedlying connected with the other end of arc link, above-mentioned arch core is installed in below the arc link top by the adjusting bolt, rotating the adjusting bolt can make the arch core move up and down, the radian of above-mentioned arc link inboard just in time is complementary with the radian at guitar neck back, above-mentioned arch core lower side is also made the curved surface of certain radian, its string degree is also consistent with the radian of arc link inboard, and the interior shape of the closing structure that above-mentioned bar shaped grade bridge and arc link constitute and the outer shape and the size of size and guitar neck are complementary.

2, according to the described fingerboard transposer of claim 1, it is characterized in that, have the interior pad that soft material is made in the inboard of above-mentioned arc link, have the arc filler strip that soft material is made in above-mentioned arch core bottom.

3, according to the described fingerboard transposer of claim 2, it is characterized in that, have guide plate in the both sides of above-mentioned arch core.

According to claim 1 or 2 or 3 described fingerboard transposers, it is characterized in that 4, the upper side of the grade bridge of above-mentioned bar shaped is the plane with the pressure string filler strip that links to each other with upper side.

According to claim 1 or 2 or 3 described fingerboard transposers, it is characterized in that 5, the upper side of above-mentioned bar shaped grade bridge slightly is curved surface with the pressure string filler strip that links to each other with upper side.