EP0273372A2 - Touche pour instruments à cordes - Google Patents

Touche pour instruments à cordes Download PDF

Info

Publication number: EP0273372A2
Authority: EP; European Patent Office
Prior art keywords: rod part; rod; truss; truss rod; effective length
Prior art date: 1986-12-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP19870119070

Other languages

German (de)

English (en)

Other versions

EP0273372A3 (en

EP0273372B1 (fr

Inventor

Walter Zeitler

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Wilfer Hans-Peter

Original Assignee

Wilfer Hans-Peter

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1986-12-30

Filing date

1987-12-22

Publication date

1988-07-06

1987-12-22 Application filed by Wilfer Hans-Peter filed Critical Wilfer Hans-Peter

1987-12-22 Priority to AT87119070T priority Critical patent/ATE88592T1/de

1988-07-06 Publication of EP0273372A2 publication Critical patent/EP0273372A2/fr

1989-08-16 Publication of EP0273372A3 publication Critical patent/EP0273372A3/de

1993-04-21 Application granted granted Critical

1993-04-21 Publication of EP0273372B1 publication Critical patent/EP0273372B1/fr

2007-12-22 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000004904 shortening Methods 0.000 claims abstract description 10
238000003780 insertion Methods 0.000 claims description 3
230000037431 insertion Effects 0.000 claims description 3
238000004519 manufacturing process Methods 0.000 description 3
238000004873 anchoring Methods 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000000284 resting effect Effects 0.000 description 1
239000002023 wood Substances 0.000 description 1

Images

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 invention relates to a truss rod for string instruments, in particular bass guitars according to the preamble of claim 1.
a truss rod is known from US Pat. No. 4,308,780 and DE-GM 78 24 673.
Such truss rods are inserted into the elongated blind hole in the instrument neck. They stay in this blind hole as soon as a certain tension of one of the rod parts is reached, as will be described in detail below. A separate attachment of the truss rod in the blind hole of the instrument neck is therefore not necessary.
By turning a union nut one of the rod parts is shortened in its effective length to the other rod part.
the string will bend or even bend the neck.
the requirement may arise (e.g. due to the wood grain of the neck or for other reasons) that the truss rod must exert a force on the neck of the instrument that is equal to the tensile force of the strings.
the truss rod described above is not suitable for these cases.
the object of the invention is to design a truss rod according to the preamble of claim 1 in such a way that it can be deformed either convexly or concavely to the instrument neck, but with the advantages of the loose insertion and removal of the truss rod into or from The blind hole of the instrument neck should be maintained.
a truss rod can be used both for the first-mentioned applications, namely bracing the truss rod in the convex arc described, as well as for the second-mentioned applications in which the truss rod inserted in the neck receives a curvature, the concave side of which faces the fingerboard or the sides of the instrument is. So you can use the same truss rod for both applications. This not only saves costs in terms of manufacturing, but also considerably simplifies storage for the manufacturer and the instrument maker.
a truss rod can be inserted into the blind hole of the instrument neck and can be clamped so tightly with the blind hole by slight tensioning, ie arching of the respective rod part in the desired direction, that the truss rod cannot accidentally slip out of the blind hole.
both truss rods can be adjusted in the desired manner.
the arrangement is preferably such that the truss rod parts do not protrude from the open end, ie are not visible from the outside. The truss rod can be easily pulled out.
the characterizing part of claim 3 is particularly advantageous sticky and thus preferred embodiment of the invention.
the truss rod generally numbered 1, consists of two truss rod parts, namely a first shorter truss rod part 2 and a second longer truss rod part 3. Both Truss rod parts are firmly connected to one another at their ends on the right in the drawing, for example by rivets indicated by dash-dotted lines. Their opposite, that is to say left in the drawing, free ends are formed as follows:
the end 5 of the shorter truss rod part 2 has an external thread 6 into which the internal thread 7 of a union nut 8 fits.
the end 9 of the longer truss rod part 3 is provided with an internal thread 10 into which the external thread 11 fits an adjusting screw 12 to be described in more detail with reference to FIGS. 5, 6.
the threads 6, 7 are preferably counter to the threads 10, 11.
the threads 6, 7 are preferably right-handed and the threads 10, 11 are left-handed. This ensures that actuating the adjusting screw does not accidentally take the union nut with it. Instead, however, the pitch of the threads 10, 11 could be different (larger or smaller) than the pitch of the threads 6, 7. This also prevents the union nut from turning unintentionally.
different gradients can also be used if you want to change the translation of the clamping force from the adjusting means to the truss rod parts accordingly.
the truss rod parts 2, 3 lie close together and are separated from one another only by a thin slot 13.
the union nut 8 After the union nut 8 has been screwed on, its inner surface 14 comes into contact with the end face 15 of the truss rod part 3. If it is subsequently rotated further, it moves in the direction of the arrow 16 in FIG. 2, the shorter truss rod part 2 counter to the arrow direction 16 in the union nut is pulled in.
This effective shortening of the length of the truss rod part 2 results in an effective extension of the truss rod part 3, so that it bulges upward (FIG. 3).
the convex side of this curvature is directed towards the fingerboard 26 (further details of the assembly of the truss rod and instrument neck can be found in FIG.
the above-mentioned internal thread 10 in conjunction with the set screw 12 serves as an additional adjusting means, namely to shorten the effective length of the second rod part 3 compared to the effective length of the first rod part 2.
the external thread 11 fits into the internal thread 10.
the head 18 of the set screw also forms its end face 19 on the right in FIGS. 5, 6 has a stop which comes to rest against the end face 20 of the union nut. 5, the surface 19, 20 lie against one another and the union nut is screwed onto the thread 6 until it surrounds both truss rod parts 2, 3, but between the end surface 15 of the truss rod part 3 and the inner end surface 14 a distance a remains of the bottom 22 of the union nut.
the distance a is 4 mm.
the set screw 12 in one rotated in such a way that the truss rod part 3 is moved to the left in the direction of arrow 24 along the shaft 23 of the adjusting screw (with the distance a being shortened), this has an effective shortening of the upper truss rod part 3 and thus an effective extension of the lower truss rod part 2 in a row.
the adjusting screw 12 can be turned until the distance a has practically become zero according to FIG. 6.
the truss rod part 2 which is located in the drawing below, bulges downward, with its concave side 2 ⁇ of the neck side 17 ⁇ , which contains the fingerboard 26 and strings 27, facing.
the head 18 of the set screw 12 can have a hexagon socket 21 for inserting a socket wrench.
the same can be provided on the through hole 25 of the union nut 8. This means that the set screw 12 and union nut 8 can each be actuated from the free end 28 of the blind hole 29 by inserting appropriate socket wrenches (approximately in the direction of the arrow 30).

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Stringed Musical Instruments (AREA)
Decoration Of Textiles (AREA)
Earth Drilling (AREA)

EP87119070A 1986-12-30 1987-12-22 Touche pour instruments à cordes Expired - Lifetime EP0273372B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT87119070T ATE88592T1 (de)	1986-12-30	1987-12-22	Halsstab fuer saiteninstrumente.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3644694		1986-12-30
DE19863644694 DE3644694A1 (de)	1986-12-30	1986-12-30	Halsstab fuer saiteninstrumente

Publications (3)

Publication Number	Publication Date
EP0273372A2 true EP0273372A2 (fr)	1988-07-06
EP0273372A3 EP0273372A3 (en)	1989-08-16
EP0273372B1 EP0273372B1 (fr)	1993-04-21

Family

ID=6317364

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP87119070A Expired - Lifetime EP0273372B1 (fr)	1986-12-30	1987-12-22	Touche pour instruments à cordes

Country Status (5)

Country	Link
US (1)	US4852449A (fr)
EP (1)	EP0273372B1 (fr)
AT (1)	ATE88592T1 (fr)
DE (2)	DE3644694A1 (fr)
ES (1)	ES2041260T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4123319A1 (de) *	1991-07-13	1993-01-21	Warwick Bass Guitars Inh Hans	Halsstab fuer saiteninstrumente
US6259008B1 (en) *	1999-01-27	2001-07-10	Steven W. Eddinger	Double-action truss rod for stringed instruments
DE50010644D1 (de) *	2000-11-01	2005-08-04	Hans-Peter Wilfer	Hals für ein Saiteninstrument
US7507887B1 (en) *	2007-06-08	2009-03-24	Blanchard Mark W	Precision double acting truss for stringed musical instruments

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2460943A (en) *	1947-10-30	1949-02-08	William W Nelson	Neck straightening device for musical instruments
US3416399A (en) *	1966-07-28	1968-12-17	Giovanni E. Baldoni	Reinforced guitar neck
DE7824673U1 (de) *	1978-08-18	1979-03-01	Kollitz Brdr Musikinstr Ohg	Spanneinrichtung fuer zupfinstrumente
US4203342A (en) *	1978-09-25	1980-05-20	Montgomery John R	Device for affecting deflection control of an elongated musical instrument shaft
US4308780A (en) *	1980-04-17	1982-01-05	Les Guitares Norman Inc.	Warp restoring device for the neck of a stringed musical instrument
US4508003A (en) *	1982-09-30	1985-04-02	Smakula Peter H	Truss rod apparatus
US4557174A (en) *	1983-05-06	1985-12-10	Fender Musical Instruments Corporation	Guitar neck incorporating double-action truss rod apparatus

1986
- 1986-12-30 DE DE19863644694 patent/DE3644694A1/de active Granted
1987
- 1987-12-22 EP EP87119070A patent/EP0273372B1/fr not_active Expired - Lifetime
- 1987-12-22 DE DE8787119070T patent/DE3785564D1/de not_active Expired - Fee Related
- 1987-12-22 AT AT87119070T patent/ATE88592T1/de active
- 1987-12-22 ES ES198787119070T patent/ES2041260T3/es not_active Expired - Lifetime
- 1987-12-28 US US07/138,355 patent/US4852449A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
ATE88592T1 (de)	1993-05-15
US4852449A (en)	1989-08-01
EP0273372A3 (en)	1989-08-16
DE3785564D1 (de)	1993-05-27
EP0273372B1 (fr)	1993-04-21
ES2041260T3 (es)	1993-11-16
DE3644694A1 (de)	1988-07-14
DE3644694C2 (fr)	1990-11-29

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Date	Code	Title	Description
1988-05-21	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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1991-06-12	17Q	First examination report despatched	Effective date: 19910429
1992-05-27	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: WILFER, HANS-PETER
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