EP0273372B1 - Halsstab für Saiteninstrumente - Google Patents

Halsstab für Saiteninstrumente Download PDF

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Publication number
EP0273372B1
EP0273372B1 EP87119070A EP87119070A EP0273372B1 EP 0273372 B1 EP0273372 B1 EP 0273372B1 EP 87119070 A EP87119070 A EP 87119070A EP 87119070 A EP87119070 A EP 87119070A EP 0273372 B1 EP0273372 B1 EP 0273372B1
Authority
EP
European Patent Office
Prior art keywords
rod member
trussrod
rod
neck
effective length
Prior art date
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.)
Expired - Lifetime
Application number
EP87119070A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0273372A2 (de
EP0273372A3 (en
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.)
Filing date
Publication date
Application filed by Wilfer Hans-Peter filed Critical Wilfer Hans-Peter
Priority to AT87119070T priority Critical patent/ATE88592T1/de
Publication of EP0273372A2 publication Critical patent/EP0273372A2/de
Publication of EP0273372A3 publication Critical patent/EP0273372A3/de
Application granted granted Critical
Publication of EP0273372B1 publication Critical patent/EP0273372B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 stringed instruments, in particular bass guitars, which consists of two elongated rod parts which run parallel to one another and abut one another and which are firmly connected, for example riveted, at one end, while their other free ends are effective means Shorten the length of a shorter first rod part compared to the effective length of the other, longer second rod part, the truss rod can be inserted into an elongated blind hole in the instrument neck from the upper free neck end in such a way that the means for shortening the effective length of the first rod part from open end of the blind hole are accessible here, and the rod parts lie one above the other in a plane perpendicular to the fingerboard (preamble of claim 1).
  • Such truss rod is known from US-PS 4,308,780 and DE-GM 78 24 673. Such trusses will be 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 consequence of this is that the truss rod, which previously ran in a straight line, curves into an arc and thus also pulls the instrument neck into an arc shape, the convex side of which faces the strings resting on the fretboard of the neck. This counteracts the relatively strong tension exerted by the strings on the neck of the instrument.
  • 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 and from the blind hole of the instrument neck are to be retained.
  • 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 is the fingerboard or the strings facing the instrument. So you can use the same truss rod for both applications.
  • 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.
  • a screw or nut is also provided as an additional means for shortening the effective length of the second rod part.
  • a further preferred embodiment of the invention is based on a truss rod, the first rod part carrying an external thread, and furthermore a union nut which fits onto the external thread is provided and which has a stop for the end face of the free end of the second, longer rod part forms (see the above-mentioned DE-GM 78 24 673).
  • the end of the second rod part has an internal thread and that an adjusting screw with its thread in the internal thread is provided, which has a stop, preferably in the form of its screw head, which is in contact with the end of the first, shorter rod part or on the screwed-on union nut is designed or determined (characterizing part of claim 3).
  • 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 lie one above the other in a plane which is perpendicular to the fingerboard (see number 26 in FIG. 7); ie this level is the same as the drawing level in the illustrations of FIGS. 1 to 3, 5 to 7. 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.
  • 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 surfaces 19, 20 lie against one another and the union nut is screwed onto the thread 6 to such an extent that 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 located below in the drawing bulges downward, with its concave side 2 ′ facing the neck side 17 ′, which contains the fingerboard 26 and strings 27.
  • 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 bore 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 Halsstab für Saiteninstrumente Expired - Lifetime EP0273372B1 (de)

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 EP0273372A2 (de) 1988-07-06
EP0273372A3 EP0273372A3 (en) 1989-08-16
EP0273372B1 true EP0273372B1 (de) 1993-04-21

Family

ID=6317364

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87119070A Expired - Lifetime EP0273372B1 (de) 1986-12-30 1987-12-22 Halsstab für Saiteninstrumente

Country Status (5)

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

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
EP1204090B1 (de) * 2000-11-01 2005-06-29 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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7824673U1 (de) * 1978-08-18 1979-03-01 Kollitz Brdr Musikinstr Ohg Spanneinrichtung fuer zupfinstrumente

Family Cites Families (6)

* 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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7824673U1 (de) * 1978-08-18 1979-03-01 Kollitz Brdr Musikinstr Ohg Spanneinrichtung fuer zupfinstrumente

Also Published As

Publication number Publication date
EP0273372A2 (de) 1988-07-06
DE3644694A1 (de) 1988-07-14
DE3644694C2 (es) 1990-11-29
ATE88592T1 (de) 1993-05-15
EP0273372A3 (en) 1989-08-16
ES2041260T3 (es) 1993-11-16
US4852449A (en) 1989-08-01
DE3785564D1 (de) 1993-05-27

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