US3030845A - Sound head for musical wind instrument - Google Patents

Sound head for musical wind instrument Download PDF

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Publication number
US3030845A
US3030845A US75506A US7550660A US3030845A US 3030845 A US3030845 A US 3030845A US 75506 A US75506 A US 75506A US 7550660 A US7550660 A US 7550660A US 3030845 A US3030845 A US 3030845A
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US
United States
Prior art keywords
sound head
blade
channel
wind channel
vent
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
US75506A
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English (en)
Inventor
Scherer Karl
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.)
Matth Hohner AG
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Individual
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Publication date
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Publication of US3030845A publication Critical patent/US3030845A/en
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    • 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
    • G10D7/00—General design of wind musical instruments
    • G10D7/02—General design of wind musical instruments of the type wherein an air current is directed against a ramp edge
    • G10D7/026—General design of wind musical instruments of the type wherein an air current is directed against a ramp edge with air currents blown into an opening arranged on the cylindrical surface of the tube, e.g. transverse flutes, piccolos or fifes
    • 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
    • G10D9/00—Details of, or accessories for, wind musical instruments
    • G10D9/02—Mouthpieces; Reeds; Ligatures
    • 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
    • G10D7/00—General design of wind musical instruments
    • G10D7/02—General design of wind musical instruments of the type wherein an air current is directed against a ramp edge
    • G10D7/03—General design of wind musical instruments of the type wherein an air current is directed against a ramp edge with a windway for leading the air to the labium, e.g. recorders
    • 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
    • G10D9/00—Details of, or accessories for, wind musical instruments
    • G10D9/08—Material for manufacturing wind musical instruments; Treatment of the material

Definitions

  • the present invention relates to improvements in musical wind instruments, and more particularly to improvements in the sound head of such an instrument in which the sounds are produced by an air current blowing against a blade.
  • Such a sound head usually consists of a substantially tubular body with a bore therein extending in the axial direction, and provided at one end with a mounthpiece.
  • the outer wall of this body is provided with an air vent which increases in width from the inside to the outside and may be limited by four walls, namely, two side walls extending parallel to the axis of the soundhead, a front end wall extending at right angles to this axis, and a rear wall extending in the blowing direction obliquely from the inside to the outside of the sound head.
  • the Wind channel is generally designed so that the core is spaced at one side from the circular Wall of the bore in the sound head so as to define a channel, the original segmental cross-sectional shape of which is enlarged by cutting a recess in the wall of the bore to make the channel of a rectangular cross section, in which one of the longer sides of the rectangle is identical with the chord which defines the original segmental cross section.
  • Such a wind channel is further generally designed so that the walls thereof which are defined by the larger sides of the cross-sectional rectangle converge in the direction toward the air vent, so that the cross-sectional area of the wind channel decreases in the blowing direction.
  • a straight blade is provided which extends transverse to the direction of the wind channel and forms the rear inner edge of the air vent. This blade therefore partly defines the smallest inner cross-sectional area of this vent, and it is disposed within a straight extension of the wind channel so that the air current which is blown through the wind channel will be directed against the knife edge of this blade.
  • This blade is therefore defined by the rear wall of the air vent which extends obliquely from the inside to the outside and by a part of the wall of the bore in the sound head.
  • the invention further provides that the moisture contained-in the air current blown into the 'wind channel will not be prevented from entering into the channel.
  • the present invention provides the tubular body of the sound head with an insert which consists of a single piece of nonhygroscopic material, for example, plastic or metal, and forms the mentioned blade and a plate which covers at least one wall surface of the wind channel. Since this insert has a considerably smaller size and mass than the body of the sound head, it permits the blade and plate to be very accurately positioned relative to each other, even though it is made of plastic. Since the insert is mounted in a fixed position within the wind channel, the blade will always be in a certain, unchangeable position, relative to the wind channel, while at least one of the walls of this channel is made sufficiently smooth by being covered by the plate.
  • the invention also avoids the danger, which occurs, for example, if hygroscopic wood is used, that the moisture contained in the blown air current might cause an uncontrollable swelling of the fibers of the material which, in turn, would result in an undesirable air turbulence on the blade.
  • the surfaces of the blade may be made either smooth or rough, and the blade itself may be made of a straight or curved shape.
  • a series of sound heads according to the invention may, if made of the same material, be provided with identical features and characteristics. Since the surface finish of the blades may be made permanently identical in different sound heads, the sound qualities of different instruments with such sound heads will be exactly alike, which is of great importance, for example, in an orchestra.
  • Sound heads of wind instruments which consist entirely of plastic do not have the desired property to absorb the moisture from the blown air current, as this is attained by wooden sound heads in which usually the core of the sound head is made of a wood which is especially hygroscopic.
  • the core of the sound head is made of a wood which is especially hygroscopic.
  • additional surfacesof the wind channel are made as smooth and nonhygroscopic as possible, so that only thecore of the sound head which forms a part of the walls of the wind channel is made of hygroscopic wood so as to, take up the moisture contained in the blown air current.
  • additional smoothing of the surfaces of the wind channel maybe attained by providing a plate unit in which both lateral edges of the blade-carrying plate are provided with rectangularlyprojecting side walls or plates which will cover the walls of the wind channel which are adjacent to the wall which is covered by the central plate itself.
  • the rear ends of the lateral plates may be provided with extensions or upward projections which extend beyond and possibly also upwardly of the central plate and cover at least parts of the side walls of the vent either within the area of the smallest cross-sectional size thereof or within the area of the vent at both sides of the blade or in both areas, or also above these areas.
  • the side plates of the blade-carrying insert may engage into and rest on the bottom of grooves which are provided in the core of the sound head. These grooves serve as guides for the core when the latter is being inserted into the sound head so that the straight upper surface of the core which forms the lower wall of the wind channel will be in the proper position relative to the blade.
  • FIGURE 1 shows an axial section of the sound head of a block flute
  • FIGURE 2 shows a cross section taken along line II-II of FIGURE 1;
  • FIGURE 3 shows an enlarged perspective view of the blade-carrying plate according to FIGURES 1 and 2;
  • FIGURE 4 shows a greatly enlarged longitudinal section taken along a line IV-IV of FIGURE 3;
  • FIGURE 5 shows an axial section of the front part of the sound head of a block flute with a plate unit according to a modification of the invention
  • FIGURE 6 shows a cross section taken along line VI-VI of FIGURE 5;
  • FIGURE 7 shows an enlarged perspective view of the plate unit according to FIGURES 5 and 6;
  • FIGURE 8 shows a greatly enlarged longitudinal section of the plate unit according to FIGURES 5 to. 7 and taken along line VIII-VII I of FIGURE 7;
  • FIGURE 9 shows an axial section of the front part of a sound head of a block flute with a plate unit according to another modification of the invention.
  • FIGURE 10 shows an enlarged perspective view of the plate unit according to FIGURE 9;
  • FIGURE 11 shows an axial section of the front part of a sound head for a block flute according to a further modification of the invention
  • FIGURE 12 shows an enlarged perspective view of the plate combination according to FIGURE 11;
  • FIGURE 13 shows an axial section of the front part of a sound head according to still another modification. of the invention.
  • FIGURE 14 shows an enlarged perspective view of the plate unit according to FIGURE 13; while FIGURES 15 and 16 show two different plan views, turned at right angles to each other, of the entire flute according to FIGURES l to 4.
  • FIG. 1 An example of a musical wind instrument according to the invention is illustrated in the drawings in the form of a block flute which consists of a sound head 1 to which the extension tube 2 of the flute is attached.
  • the body of the sound head is substantially tubular and has an axial bore 3 which continues into a similar bore in tube 2.
  • the outer wall of sound head 1 is provided with an air vent 6 which increases in size from its narrowest point 10 at the inner end thereof toward the outside.
  • a core 4 preferably of hygroscopic wood, is fitted into bore 3, and the upper surface of core 4 is flattened so that a wind channel 5 of a rectangular cross section is formed between core 4 and the wall of bore
  • the upper and lower walls of this wind channel taper slightly toward each other from the front end of the mouthpiece to the rear end of channel 5.
  • the air vent 6 is limited at its inner edge, as seen in the direction of blowing and in continuation of and in line with wind channel 6, by a wedge-shaped part 7 which is provided on its tip with a tapered blade 3, the knife edge 8 of which faces toward the air current which is blown through wind channel 5.
  • FIGURES l and 2 the upper wall surface of wind channel 5 is covered by a plate 9, as shown specifically in FIGURES 3 and 4, which consists of a nonhygroscopic material and has an aperture of a size corresponding to the smallest cross-sectional size 10 of the air vent 6.
  • the tapered blade 8 therefore forms in this case the inner edge of this aperture, and plate 9 and blade 8 together form a single insert which is fitted into sound head 1.
  • the end of plate 9 carrying blade 3 is made on its lower side of a greater thickness than the remainder of the plate so that blade 8 is disposed slightly below the level of the lower surface of plate 9 and substantially centrally in line with the wind channel 5.
  • FIG- URES 5 to 8 differs from the embodiment according to FIGURES 1 to 4 by the fact that plate 109 which has an aperture 110 and a blade 1% is provided along its longitudinal edges with side walls 111 'which projects downwardly therefrom preferably at a right angle, so that plate 109 and its lateral plates 1111 cover the upper and lateral surfaces of wind channel 5.
  • the lower edges of the lateral plates 11d of this U-shaped plate unit 199, 111 engage into and rest on the bottom of a pair of grooves 112 in core 4.
  • FIGURES 9 to 14 illustrate several modifications of the plate unit according to FIGURES 5 to 8, in which the rear ends of the lateral plates adjacent to the aperture in the top plate are provided with upward extensions.
  • these extensions consist of a pair of lugs 215 which project from the lateral plates 211 toward the fear as well as above the central plate 299 and cover the side walls of the air vent 6 at, above, and below the level of blade 208.
  • the upward extensions 414 of plate unit 409, 411 cover the side walls of air vent 6 only upwardly of the inner end 10 of opening 6.
  • the extensions 313 and 414 may be of a semicylindrical cross section and may extend to the lower edges of side walls 311 and 411, respectively. The side walls of air vent 6 are then notched out accordingly to receive these projecting extensions 313 and 414.
  • a musical wind instrument havinga sound head with a wind channel therein and a blade member disposed within said sound head in a position so that, when an air current is blown through said channel against said blade, a musical sound will be produced
  • said sound head comprising a substantially tubular body with an axial bore therein and having an air vent extending through the wall of said body and diverging from the inside to the outside, a core disposed within a part of said bore between one, end thereof and said vent and only partly filling out said part so that a gap remains between said core and the wall of said bore, said gap having a substantially rectangular cross section extending longitudinally substantially parallel to the axis of said body and forming said wind channel, said blade member being of a nonhygroscopic material and having a straight knife edge extending transverse to said axis and forming a part separate from said vent and being in engagement with the rear inner edge thereof, said knife edge being spaced from the rear end of said channel and disposed within a plane substantially in longitudinal alignment with said channel and limiting the
  • a musical instrument having a sound head with a wind channel therein and a blade member disposed within said sound head in a position so that, when an air current is blown through said channel against said blade, a musical sound will be produced
  • said sound head comprising a substantially tubular body with an axial bore therein and having an air vent extending through the wall of said body and diverging from the inside to the outside, a core disposed within a part of said bore between one end thereof and said vent and only partly filling out said bore so that a gap remains between said core and the wall of said bore, said gap having a sub-- stantially rectangular cross section extending longitudinally substantially parallel to the axis of said body and forming said wind channel, said blade member being of a nonhygroscopic material and having a straight knife edge extending transverse to said axis and forming a part separate from said vent and in engagement with the inner edge thereof, said knife edge being spaced from the rear end of said channel and disposed within a plane substantially in longitudinal alignment with said channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Stringed Musical Instruments (AREA)
  • Sawing (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Auxiliary Devices For Music (AREA)
US75506A 1960-01-08 1960-12-13 Sound head for musical wind instrument Expired - Lifetime US3030845A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH38340A DE1097242B (de) 1960-01-08 1960-01-08 Blaskopf fuer mit angeblasenen Schneiden versehene Tonerzeuger

Publications (1)

Publication Number Publication Date
US3030845A true US3030845A (en) 1962-04-24

Family

ID=7153610

Family Applications (1)

Application Number Title Priority Date Filing Date
US75506A Expired - Lifetime US3030845A (en) 1960-01-08 1960-12-13 Sound head for musical wind instrument

Country Status (8)

Country Link
US (1) US3030845A (de)
AT (1) AT221917B (de)
BE (1) BE595906A (de)
CH (1) CH380499A (de)
DE (1) DE1097242B (de)
FR (1) FR1269469A (de)
GB (1) GB923176A (de)
NL (1) NL109454C (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178986A (en) * 1962-08-20 1965-04-20 Moeck Hermann Recorder
US3198054A (en) * 1964-06-11 1965-08-03 Ehrlich Paul Musical instrument of the wind type
US3326073A (en) * 1964-05-25 1967-06-20 Daniel V Tremaine Wind instrument
US3643538A (en) * 1970-03-19 1972-02-22 Nobuo Toyama Mouthpiece of wind instruments
US3988956A (en) * 1974-07-04 1976-11-02 Hermann Moeck Recorder
US20120222539A1 (en) * 2011-02-25 2012-09-06 Robert Anthony Gandara Fipple (mouthpiece) for a wind musical instrument and method of making a fipple for a wind musical instrument.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1358165A (en) * 1970-08-06 1974-06-26 Dolmetsch Ltd Arnold Recorders
US4031845A (en) * 1976-04-29 1977-06-28 Safety Research & Engineering Corporation Slit nozzle sound signal generator
DE2939043C2 (de) * 1979-09-27 1981-02-19 Matth. Hohner Ag, 7218 Trossingen Blockflöte
DE19722192A1 (de) * 1997-05-30 1998-12-10 Conrad Mollenhauer Gmbh Leise Blockflöte

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB582347A (en) * 1944-05-19 1946-11-13 Rose Morris & Company Ltd Improvements in or relating to the manufacture of musical wind instruments

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB582347A (en) * 1944-05-19 1946-11-13 Rose Morris & Company Ltd Improvements in or relating to the manufacture of musical wind instruments

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178986A (en) * 1962-08-20 1965-04-20 Moeck Hermann Recorder
US3326073A (en) * 1964-05-25 1967-06-20 Daniel V Tremaine Wind instrument
US3198054A (en) * 1964-06-11 1965-08-03 Ehrlich Paul Musical instrument of the wind type
US3643538A (en) * 1970-03-19 1972-02-22 Nobuo Toyama Mouthpiece of wind instruments
US3988956A (en) * 1974-07-04 1976-11-02 Hermann Moeck Recorder
US20120222539A1 (en) * 2011-02-25 2012-09-06 Robert Anthony Gandara Fipple (mouthpiece) for a wind musical instrument and method of making a fipple for a wind musical instrument.
US9396710B2 (en) * 2011-02-25 2016-07-19 Pipe Makers Union, Llc Fipple (mouthpiece) for a wind musical instrument and method of making a fipple for a wind musical instrument

Also Published As

Publication number Publication date
FR1269469A (fr) 1961-08-11
BE595906A (fr) 1961-02-01
AT221917B (de) 1962-06-25
CH380499A (de) 1964-07-31
GB923176A (en) 1963-04-10
DE1097242B (de) 1961-01-12
NL109454C (nl) 1964-09-15

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