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WO1999038151A1 - Table de resonance pour tambour - Google Patents

Table de resonance pour tambour Download PDF

Info

Publication number
WO1999038151A1
WO1999038151A1 PCT/US1999/001625 US9901625W WO9938151A1 WO 1999038151 A1 WO1999038151 A1 WO 1999038151A1 US 9901625 W US9901625 W US 9901625W WO 9938151 A1 WO9938151 A1 WO 9938151A1
Authority
WO
WIPO (PCT)
Prior art keywords
soundboard
rim
standoff
drum
dimensioned
Prior art date
Application number
PCT/US1999/001625
Other languages
English (en)
Inventor
V. Frank Asaro
Original Assignee
Asaro V Frank
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 Asaro V Frank filed Critical Asaro V Frank
Priority to AU23434/99A priority Critical patent/AU2343499A/en
Publication of WO1999038151A1 publication Critical patent/WO1999038151A1/fr

Links

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
    • G10D13/00—Percussion musical instruments; Details or accessories therefor
    • G10D13/10—Details of, or accessories for, percussion musical instruments
    • G10D13/28—Mountings or supports for individual drums
    • 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
    • G10D13/00—Percussion musical instruments; Details or accessories therefor
    • G10D13/01—General design of percussion musical instruments
    • G10D13/02—Drums; Tambourines with drumheads

Definitions

  • a conga drum is shaped like a narrow wine keg, but with a head or skin covering the top, and open at the bottom.
  • the percussionist is usually in a sitting position as he plays. With the drums generally setting directly on the floor or ground, there is an undesirable effect; the sound is muffled. With the open bottom-end of the drum directly on the ground, the sound and air cannnot vent from the bottom of the drum.
  • the four most commonly used conga drums ranging from the lowest pitched and largest in diameter to the highest pitched-smallest diameter are, Tumba - with diameters up to about 40 centimeters (15 inches) or so, Conga - up to about 28 centimeters (11 inches) , Quinto - up to about 24 centimeters (9.5 inches), Super Quinto - less than the latter.
  • the Quinto and alternatively the Conga are usually the lead drum. All are generically referred to as Conga Drums.
  • Other hand drums similar in height to conga drums, some with straight or concave walls, are also herein generically referred to as "conga drums", “percussion play drum,” or simply, “drums,” and are intended to be covered by this application.
  • the conga percussionist must place a soundboard such as a piece of plywood on the ground directly beneath the drum.
  • a soundboard such as a piece of plywood
  • the percussionist may place a stand, such as the one disclosed in U.S. Patent 5,739,449 Torres, on top of the soundboard in order to elevate the conga drum. The separate stand is inconvenient because two devices are needed, the soundboard and the stand. Often the drum or - 3 -
  • the stand slides or, because of vibrations, creeps around on the soundboard .
  • the stand element comprises three, but preferably four, small oblong risers, standoffs or blocks of hardwood, metal, dense plastic, or other suitable sound conducting material mounted on the top surface of the soundboard base plate.
  • the standoffs are configured to hold the open rim at the bottom of the drum above the soundboard.
  • Some of the risers have notches that are shaped and dimensioned to engage the rim and keep the base of the drum from sliding out of position. Also, the risers and/or notches are set at different heights so that the drum is slightly elevated from the ground.
  • the drum may be either level or tilted to various angles depending on which elevation of notches the percussionist chooses .
  • the risers are oriented in such a way that they will accept any circumference size of the various conga drums without further adjustment of the risers, and without moving parts.
  • the risers are aligned with ends pointing to or radiating from a central zone of the soundboard to a peripheral zone in an orientation similar to that of the spokes of a wheel . In such configuration, the tilted rim on a four or three point stand, no matter its diameter, will always be saddled and stabilized upon the soundboard.
  • Figure 1 is a perspective view of a preferred embodiment according to the invention of a sound board positioned under a typical conga drum;
  • Figure 2 is a side elevational view of a notched standoff;
  • Figure 3 is a perspective view of a first alternate embodiment of the soundboard
  • Figure 4 is a top plan view of a second alternate embodiment of the soundboard
  • Figure 5 is a partial, cross-sectional view taken along line 5-5 of Figure 4; - 5 -
  • Figure 6 is a side elevational view of a third alternate embodiment of the soundboard with a tilted top surface.
  • Figure 7 is a top plan view thereof.
  • FIG. 1 a soundboard 1 in combination with a conga drum 2 having an open bottom rim 3.
  • the soundboard has a generally flat undersurface 4 for contact with a ground surface 5, and a top face 6 upon which are mounted a plurality of risers or standoffs 10, 11.
  • a hole 7 in the center of the soundboard is conveniently provided to vertically receive the pole mount of a microphone or pass its wiring.
  • the standoffs are shaped, dimensioned, and positioned to support the drum 2 at a slight distance above the top face 6 of the soundboard.
  • the standoffs have elongated, i.e., oblong shapes and are positioned in a radial orientation between the central zone 8 of the top face 6 and a peripheral zone 9.
  • the standoffs are circumferentially spaced-apart to provide a stable support for the drum 2.
  • a first pair 10 of adjacent standoffs located in a first hemicircle have flat and smooth top surfaces .
  • a second pair 11 of adjacent standoffs located in the other hemicircle of the soundboard have their top surfaces indented with notches 12, 13 of different depths.
  • the notch configurations on the two standoffs are symmetrical but may be varied in numbers, widths, or in depths depending upon the sizes of the drums to be accommodated, and the degree of tilt desired.
  • the first notch 14 closest to the central zone 8 will be used in connection with a small diameter drum if a relatively low degree of tilt is desired.
  • the next notch 15 would be used in connection with the same drum to maintain a higher degree of tilt.
  • One of the two notches 16 or 17 closest to the peripheral zone 9 of the soundboard would be used in connection with a larger diameter drum depending upon the degree of tilt desired.
  • the pair 10 of unnotched standoffs need only be high enough, typically 2.5centimeters (.5 inches), to provide two good contact points with the rim 3 of the drum regardless of its diameter or the position and depth of the notches being used.
  • the radial orientation of the standoffs and their circumferential positions assure that no matter the diameter of the drum, the latter will not wobble but will be always stabilized by at least four contact points.
  • a first pair 19 of standoffs have a relatively low profile and have notches 20 in their top surfaces that are of equal depths.
  • the second pair 21 of standoffs are symmetrical and wedge-shaped. Their heights increases progressively from their central ends 22 toward their peripheral ends 23. It is the notched pair 19 of - 7 -
  • the pair 21 of wedge-shaped risers provide various degrees of tilt.
  • U-shaped brackets 25 are used in lieu of the notched standoffs of the previously described embodiments.
  • Each U-shaped bracket 25 is supported by a threaded post 26 inserted in one of two lines 27, 28 of holes bored vertically into the top surface 29 of the soundboard.
  • a pair of knurled nuts 30, 31 are used to adjust the length of the lower section 32 of the post which extends into the thickness of the soundboard. Accordingly, the height of the U-shaped bracket 25 in relation to the top surface 29 of the soundboard can be adjusted for the desired amount of tilt.
  • the holes are bored along two radially oriented lines 27, 28. A judicious selection of the bores provides a convenient adjustment to accommodate drums of a variety of diameters.
  • the pair 33 of opposing standoffs do not require any stabilizing notches. It should be noted that the internal width W of the U-shaped brackets 25 can be relatively close to the thickness T of the drum rim, in view of the fact that the bracket will automatically orient itself in the proper tangential position.
  • the soundboard comprises two quadrangular plates 35, 36 connected by a hinge 37 along one edge.
  • the top plate 35 has a plurality of sound transferring holes 38, and mounts only a pair of notched members 39 that can be plugged into the holes in various parts of the top plate.
  • a bolt an thumb-screw mechanism 40 is provided on opposite sides from the hinge 37 to conveniently adjust the angular position of the top plate
  • the amount of tilt, or angular position of the drum rim in relationship to the top surface of the soundboard need not exceed 10 degrees to assure good sound transmission. Accordingly, the sizes of the drums can be used in combination with this parameter to determine the appropriate sizes of the soundboard and standoffs, and the depths of the notches . While the preferred embodiments of the invention have been described, modifications can be made and other embodiments may be devised without departing from the spirit of the invention and the scope of the appended claims .

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Auxiliary Devices For Music (AREA)

Abstract

Ce socle de table de résonance pour conga consiste en une plaque d'assise (1) reposant sur le plancher et pourvue d'éléments oblongs, entretoises ou élévateurs (10, 11) fixés sur le dessus de manière à servir de support au bord inférieur (3) du tambour au-dessus de la table de résonance, renvoyant, par le fait, et renforçant le son émis depuis le fond du tambour. Les élévateurs rayonnent à partir d'une zone centrale (8) vers la périphérie (9) de manière à loger et à maintenir en place la conga, quel que soit le diamètre de celle-ci, inclinée ou à plat. Deux de ces élévateurs ou entretoises (10) constituent le berceau de l'arête inférieure du bord incliné (3) tandis que, du coté opposé, deux élévateurs munis d'encoches (11) logent, surhaussent et maintiennent ce bord plat ou incliné. Dans des variantes de l'invention, la hauteur de l'une au moins des entretoises (23) varie dans le sens de la longueur ou encore les élévateurs se présentent sous la forme d'étriers ou ferrures de support (25) dont le positionnement en hauteur est réglé par un dispositif mécanique. Un trou de passage (7), prévu pour un microphone, peut être ménagé dans ce socle de table de résonance.
PCT/US1999/001625 1998-01-26 1999-01-26 Table de resonance pour tambour WO1999038151A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU23434/99A AU2343499A (en) 1998-01-26 1999-01-26 Drum soundboard

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US7251298P 1998-01-26 1998-01-26
US60/072,512 1998-01-26
US10709498P 1998-11-05 1998-11-05
US60/107,094 1998-11-05

Publications (1)

Publication Number Publication Date
WO1999038151A1 true WO1999038151A1 (fr) 1999-07-29

Family

ID=26753447

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/001625 WO1999038151A1 (fr) 1998-01-26 1999-01-26 Table de resonance pour tambour

Country Status (2)

Country Link
AU (1) AU2343499A (fr)
WO (1) WO1999038151A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747463A (en) * 1970-08-14 1973-07-24 F Hinger Musical instrument of the percussion type
US4056998A (en) * 1976-05-24 1977-11-08 Rampton Roger H Tonal pitch indicator for a kettledrum
US4635524A (en) * 1984-06-06 1987-01-13 Allen Barbara A Kettledrum

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747463A (en) * 1970-08-14 1973-07-24 F Hinger Musical instrument of the percussion type
US4056998A (en) * 1976-05-24 1977-11-08 Rampton Roger H Tonal pitch indicator for a kettledrum
US4635524A (en) * 1984-06-06 1987-01-13 Allen Barbara A Kettledrum

Also Published As

Publication number Publication date
AU2343499A (en) 1999-08-09

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