EP0998738B1 - Klangkörper für ein saiteninstrument - Google Patents
Klangkörper für ein saiteninstrument Download PDFInfo
- Publication number
- EP0998738B1 EP0998738B1 EP99929076A EP99929076A EP0998738B1 EP 0998738 B1 EP0998738 B1 EP 0998738B1 EP 99929076 A EP99929076 A EP 99929076A EP 99929076 A EP99929076 A EP 99929076A EP 0998738 B1 EP0998738 B1 EP 0998738B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- body according
- resonance body
- web
- rest
- resonance
- 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
Links
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Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C3/00—Details or accessories
- G10C3/06—Resonating means, e.g. soundboards or resonant strings; Fastenings thereof
Definitions
- the invention relates to a sound body for a string instrument, with an upper catch designed as a frame, on which a soundboard is glued, on which at least an approximately diagonal bridge and one with string strings provided cast frame are provided, and with one arranged under the upper catch and with it connected lower notches.
- Sound bodies of the type described above are essential Element of pianos, grand pianos and other stringed instruments.
- the mood of the instrument is determined by the sound body specified. It is desirable that a tuned one Instrument or sound body keeps the mood constant.
- the Tuning of the sound body remains constant when the exact Position of the elements of the sound body and especially the String tension remains unchanged.
- the wooden components of the sound body, especially the soundboard are subject however, with fluctuations in the indoor climate, dimensional fluctuations, through which the mood of the orchestra Instruments is changed. Even minor changes in the relative humidity during the transition from the heating season to summery indoor climate or from the transition between an air-conditioned one Practice room and a barely heated concert hall cause the wood to swell or shrink and thus cause one Change in the set mood.
- the orchestra described above can be found in DE-PS 375 Remove 023.
- the top catch by a frame formed from fillet moldings, which on the entire circumference of the Soundboard are led around and the effect of the sound improve and at the same time ensure security against tension should.
- the narrow upper edge of the fillet forms the contact surface for gluing the soundboard.
- the lower catch consists of a wooden frame that has a slightly larger outer contour than the upper notch and stiffened by two spaced cross pieces is.
- This fixed alignment with one another is proposed according to the invention all thanks to a torsionally rigid and dimensionally stable lower catches ensures a dimensionally stable reference element represents the sound body and therefore preferably from Metal.
- the upper catch can still preferably be made of wood, as the required Stability of the sound body largely due to the lower notches is guaranteed.
- Upper and lower notches can in any way be used be connected to each other, but the gluing of the opposite two catches as a flat, shear-resistant connection point connections, e.g. B. screwing, as special proven advantageous. Gluing offers about it also the advantage that damage to the soundboard can be avoided by drilling.
- the soundboard preferably consists of glued together Chips whose longitudinal direction of the fibers is approximately parallel to the called web.
- the chips are preferred formed by wooden slats approx. 8 to 12 cm wide.
- the at least one web mentioned is an elongated, usually curved approximately S-shaped Main web, which is in known embodiments usually extends diagonally over part of the soundboard and glued to it.
- the said web by means of one Bridge tab in the two mentioned connection areas on the soundboard is fixed, the web tabs preferably beveled, integrally formed with said web End sections are.
- the sound of the sound body is determined by the Extension of the web to the connection area mentioned Edge area of the soundboard is not affected.
- the lower catch is preferably formed by a frame, its outer dimensions are roughly those of the upper catch correspond.
- the lower catch preferably has at least a first strut that is approximately parallel to the am Cast strings attached strings. Because the dimensional changes of the soundboard usually in this direction largest, this first strut causes considerable tractive forces is able to absorb a particularly effective material saving.
- first struts arranged side by side increase this effect. Are these first struts in the frame of the lower catch and against this frame adjustable in length, the setting is a transmitted on the top notches and on the soundboard Pre-tensioning of the lower catch possible.
- a comparable effect is achieved if the lower one Has at least a second strut, which approximately is parallel to the said web.
- This second strut is in the frame of the bottom catch used and variable in length compared to this frame formed, can thereby bias the web mentioned be awarded.
- the sound of the sound body can be so can be easily changed or set.
- the struts can be adjusted by drilling in the Frame or eyelets are guided on the frame, with threaded sections be provided. Using lock nuts can then on the bottom The desired length can be adjusted continuously.
- the lower notches are flat, preferably ground top.
- This top is suitable as a constructive reference level for the sound body. This has the further advantage that sound bodies in same dimensions can always be produced.
- each web strap is included in the invention a defined, d. H. in their position precisely defined hole provided with in the manufacture of the sound body the defined holes in the casting frame, soundboard, upper Notches and lower notches align before the fastener is introduced, which ensures a constant alignment the bridge on the soundboard as well as one same alignment of the soundboard on the top and lower catches and an identical arrangement of the cast frame are guaranteed on the soundboard.
- FIG. 1 shows the schematic view of a sound body 2, in which a soundboard 4 is glued to an upper notch 6 is.
- a soundboard 4 is glued to an upper notch 6 is.
- On the soundboard 4 are an elongated, approximately S-shaped curved main bridge 8 and a shorter bass bridge 10 glued on.
- the soundboard 4 consists of chips glued together 14 approx. 8 to 12 cm wide.
- the longitudinal direction of the fiber Chip is indicated by an arrow L.
- the maximum Swelling and shrinkage of the chips and thus the maximum dimensional change the soundboard 4 appears approximately at right angles to arrow L.
- the greatest impact of dimensional change due to climate fluctuations are in the peripheral areas 12 a, b of the soundboard to be expected.
- the main bridge 8 is in the embodiment of the sound body 2 according to FIG. 1 in the area of minimal dimensional change arranged.
- the upper catch 6 is glued to a lower catch 16.
- the catches 6, 16 are in the connection area 18 a, b of the Main web 8 glued together.
- the connection area 18 a, b is the edge region of the soundboard 4, where the main web 8 by means of web brackets 20 opposite the soundboard 4 is fixed, where the soundboard 4, the upper catch 6 and the lower notches 16 overlap each other.
- the bridge tabs 20 can be designed as separate fastening elements, but is preferred, as shown in Figure 1, that the web 8 extended overall and with bevelled end sections, the web tabs 20 is formed.
- the section connection of the upper catch 6 with the lower notches 16 is possible because the upper notches 6 only in the connection areas 18 a, b formed at full strength is.
- the strength of the upper catch 6 increases from the connection areas 18 a, b towards the edge regions 12 a, b. In the Edge areas 12 a, b "hover" of the upper notches 6 over the lower notches 16.
- the lower notch 16 corresponds to the outer dimensions the top rest. It usually consists of a square one Hollow profile, but can also be solid profiles be used. Instead of pure metal profiles, too Composite materials made of metal and plastic are used, provided that these materials ensure adequate high dimensional stability.
- Figure 2 shows a schematically shown lower catch 16.
- First struts 24 are inserted in the lower notches 16, the roughly parallel to the strings attached to the cast frame are aligned. These first struts 24 are said Tension caused by the strings on the lower notches 16 be transferred, field.
- second struts 22 are inserted in the lower notches 16, the approximately parallel to that glued to the soundboard 4 Main web 8 run.
- a certain preload is to be impressed on the web.
- the struts 22, 24 cracks with the bottom catch 16. It is also possible the struts 22, 24 through holes in the lower notch 16 pass through and by means of threaded sections and Make lock nuts adjustable.
- bores 26 are made. These holes 26 are always precisely positioned as precision bores, for example with CNC-controlled drilling machines. These holes are used to precisely align and fix the upper one Detent 6, the soundboard 4, the web 8 and the cast frame.
- Figure 3 shows a section through a sound body 2.
- a lower catch 16 an upper catch 6 is arranged.
- the top 28 of the lower catch 16 is ground and thus guarantees a completely flat contact surface.
- connection area 18a of the web bracket 20 penetrates a hole 26 the lower notches 16, the upper notches 6, the the top notch 6 glued soundboard 4 and on the soundboard resting casting frame 30, on which the (here strings (not shown) are attached.
- the bore 26 is - as described above - a precision bore. If the fastener (not shown here), for. B. a screw, bolt, or bracket into the hole used, so the essential components of the sound body 2 fixed to each other in a precisely defined position.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Stringed Musical Instruments (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Sewage (AREA)
- Adornments (AREA)
Description
- Figur 1
- In Draufsicht und perspektivischer Darstellung einen schematisch dargestellten Klangkörper;
- Figur 2
- in Draufsicht einen schematisch dargestellten unteren Rasten und
- Figur 3
- einen Querschnitt durch einen schematisch dargestellten Klangkörper.
Claims (18)
- Klangkörper für ein Saiteninstrument, mit einem oberen, als Rahmen ausgebildeten Rasten (6), auf den ein Resonanzboden (4) aufgeklebt ist, auf dem zumindest ein etwa diagonal verlaufender Steg (8) sowie ein mit einer Saitenbespannung versehener Gußrahmen (30) vorgesehen sind, und mit einem unter dem oberen Rasten (6) angeordneten und mit diesem verbundenen unteren Rasten (16), dadurch gekennzeichnet, daß der obere Rasten (6) nur in seinen sich diagonal gegenüberliegenden, den Enden des genannten Steges (8) zugewandten Anschlußbereichen (18a, 18b) mit dem unteren Rasten (16) verbunden ist, in den übrigen Randbereichen (12a, 12b) aber einen lichten Abstand vom unteren Rasten (16) aufweist.
- Klangkörper nach Anspruch 1, dadurch gekennzeichnet, daß die Stärke des oberen Rasten (6) von einem Maximalwert in den Anschlußbereichen (18a, 18b) zu den übrigen Randbereichen (12a, 12b) hin abnimmt.
- Klangkörper nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der obere Rasten (6) mit dem unteren Rasten (16) verklebt ist.
- Klangkörper nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß der Resonanzboden (4) aus miteinander verleimten Spänen (14) besteht, deren Faserlängsrichtung (L) etwa parallel zu dem genannten Steg (8) liegt.
- Klangkörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der genannte Steg (8) mittels je einer Steglasche (20) in den beiden genannten Anschlußbereichen (18a, 18b) am Resonanzboden (4) fixiert ist.
- Klangkörper nach Anspruch 5, dadurch gekennzeichnet, daß die Steglaschen (20) abgeschrägte, einstückig mit dem genannten Steg (8) ausgebildete Endabschnitte sind.
- Klangkörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der untere Rasten (16) durch einen Rahmen gebildet ist, dessen äußere Abmessungen etwa denen des oberen Rasten (6) entsprechen.
- Klangkörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der untere Rasten (16) zumindest eine erste Strebe (24) aufweist, die etwa parallel zu den am Gußrahmen (30) befestigten Saiten liegt.
- Klangkörper nach Anspruch 8, dadurch gekennzeichnet, daß der untere Rasten (16) zumindest eine zweite Strebe (22) aufweist, die etwa parallel zu dem genannten Steg (8) liegt.
- Klangkörper nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß die genannte erste Strebe (24) und/oder die genannte zweite Strebe (22) in den Rahmen des unteren Rasten (16) eingesetzt und diesem Rahmen gegenüber längenveränderlich ausgebildet sind.
- Klangkörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der untere Rasten (16) eine ebene, vorzugsweise geschliffene Oberseite aufweist.
- Klangkörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der untere Rasten (16) aus Metall besteht.
- Klangkörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Gußrahmen (30) durch den Resonanzboden (4) und den oberen Rasten (6) hindurch mit dem unteren Rasten (16) verbunden ist.
- Klangkörper nach Anspruch 13, dadurch gekennzeichnet, daß die genannte Verbindung jeweils nur in den beiden genannten Anschlußbereichen (18a, 18b) vorgesehen ist.
- Klangkörper nach Anspruch 5 und 14, dadurch gekennzeichnet, daß die genannte Verbindung jeweils auch durch die Steglasche (20) des genannten Steges (8) hindurchgeführt ist.
- Klangkörper nach Anspruch 13, 14 oder 15, dadurch gekennzeichnet, daß für die genannte Verbindung in den miteinander zu verbindenen Teilen (30, 20, 4, 6, 16) jeweils eine definierte Bohrung (26) vorgesehen ist.
- Klangkörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß am Gußrahmen (30) und/oder am Resonanzboden (4) und/oder am oberen Rasten (6) und/oder am unteren Rasten (30) ein oder mehrere Gewichte zum Einstellen des Schwingungsverhaltens festlegbar sind.
- Saiteninstrument, insbesondere Klavier oder Flügel, mit einem Klangkörper (2) nach einem oder mehreren der vorhergehenden Ansprüche.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19819851 | 1998-05-05 | ||
DE19819851A DE19819851C2 (de) | 1998-05-05 | 1998-05-05 | Klangkörper für ein Saiteninstrument |
PCT/DE1999/001291 WO1999057708A1 (de) | 1998-05-05 | 1999-05-03 | Klangkörper für ein saiteninstrument |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0998738A1 EP0998738A1 (de) | 2000-05-10 |
EP0998738B1 true EP0998738B1 (de) | 2003-03-12 |
Family
ID=7866617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99929076A Expired - Lifetime EP0998738B1 (de) | 1998-05-05 | 1999-05-03 | Klangkörper für ein saiteninstrument |
Country Status (6)
Country | Link |
---|---|
US (1) | US6239339B1 (de) |
EP (1) | EP0998738B1 (de) |
JP (1) | JP2002513958A (de) |
AT (1) | ATE234496T1 (de) |
DE (2) | DE19819851C2 (de) |
WO (1) | WO1999057708A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6787688B2 (en) * | 2001-07-06 | 2004-09-07 | Harmos Music, Ltd. | Musical instrument |
DE102012003405A1 (de) | 2012-02-23 | 2013-08-29 | Vioga Gmbh | Resonanzboden für Tasteninstrument |
DE102012004235A1 (de) | 2012-03-06 | 2013-09-12 | Vioga Gmbh | Klangsteg und Saiteninstrument |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE185720C (de) * | ||||
DE375023C (de) * | 1923-05-05 | L A Rehbock Fa | Resonanzboden fuer Tasteninstrumente (Klaviere, Fluegel o. dgl.) | |
DE66040C (de) * | G. ELIAS in Stuttgart und A. KLUMPP in München, Schellingstr. 107 | Spannvorrichtung für Resonanzböden von Klavieren | ||
US962393A (en) * | 1909-07-30 | 1910-06-21 | Jesse Sheldon | Attachment for the sounding-boards of stringed instruments. |
DE389846C (de) * | 1922-02-25 | 1924-02-09 | Gaveau & Cie | Resonanzboden fuer Tasteninstrumente, Klaviere o. dgl. |
DE428162C (de) * | 1925-03-28 | 1926-04-27 | Wilhelm Pepper | Steg fuer Klaviere u. dgl. Saiteninstrumente |
US1985746A (en) * | 1934-05-23 | 1934-12-25 | Bror K Settergren | Piano construction |
DE747613C (de) * | 1938-06-16 | 1944-10-06 | Reinhard Heinrich | Basssteg am Resonanzboden fuer Tasteninstrumente |
GB760872A (en) * | 1954-08-23 | 1956-11-07 | Arthur Renn | Improvements in or relating to pianoforte soundboards |
US3034391A (en) * | 1957-08-27 | 1962-05-15 | Costa Floriano Peixoto Da | Housing and sounding board for a stringed musical instrument |
DE1059749B (de) * | 1958-01-23 | 1959-06-18 | Gerhard Foerster | Piano- und Fluegelrast |
US4602548A (en) * | 1985-06-21 | 1986-07-29 | Baldwin Piano & Organ Company | Tone compensator for piano soundboards |
DE4427133A1 (de) * | 1994-07-30 | 1996-02-01 | Friedrich Senn | Vorrichtung zum Erzeugen von wenigstens einem Ton |
-
1998
- 1998-05-05 DE DE19819851A patent/DE19819851C2/de not_active Expired - Fee Related
-
1999
- 1999-05-03 WO PCT/DE1999/001291 patent/WO1999057708A1/de active IP Right Grant
- 1999-05-03 US US09/462,156 patent/US6239339B1/en not_active Expired - Fee Related
- 1999-05-03 AT AT99929076T patent/ATE234496T1/de not_active IP Right Cessation
- 1999-05-03 DE DE59904522T patent/DE59904522D1/de not_active Expired - Fee Related
- 1999-05-03 JP JP2000547606A patent/JP2002513958A/ja active Pending
- 1999-05-03 EP EP99929076A patent/EP0998738B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2002513958A (ja) | 2002-05-14 |
WO1999057708A1 (de) | 1999-11-11 |
EP0998738A1 (de) | 2000-05-10 |
DE19819851A1 (de) | 1999-11-25 |
DE19819851C2 (de) | 2000-06-08 |
DE59904522D1 (de) | 2003-04-17 |
ATE234496T1 (de) | 2003-03-15 |
US6239339B1 (en) | 2001-05-29 |
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