WO2014150008A1 - Ensemble de tirants de tension de tambour encliquetables - Google Patents

Ensemble de tirants de tension de tambour encliquetables Download PDF

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Publication number
WO2014150008A1
WO2014150008A1 PCT/US2014/021827 US2014021827W WO2014150008A1 WO 2014150008 A1 WO2014150008 A1 WO 2014150008A1 US 2014021827 W US2014021827 W US 2014021827W WO 2014150008 A1 WO2014150008 A1 WO 2014150008A1
Authority
WO
WIPO (PCT)
Prior art keywords
drum
tension
tension lug
engagement
shell
Prior art date
Application number
PCT/US2014/021827
Other languages
English (en)
Inventor
Joshua Allen
Original Assignee
Conn-Selmer, Inc.
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 Conn-Selmer, Inc. filed Critical Conn-Selmer, Inc.
Publication of WO2014150008A1 publication Critical patent/WO2014150008A1/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
    • G10D13/16—Tuning devices; Hoops; Lugs
    • 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

  • This invention relates to musical percussion instruments and, in particular, to musical percussion drums.
  • Conventional musical percussion instruments e.g. such as musical percussion drums, typically have multiple drum tension lugs attached to the surface of the outer wall of the drum shell by screws that extend through the wall from within the shell.
  • a musical percussion instrument comprises a musical drum comprising a generally cylindrical drum shell and a sound generating surface secured to at least an upper end of the drum shell by a set of adjustable tension rods extending between a drum hoop and a plurality of drum tension lug assemblies.
  • Each drum tension lug assembly comprises: a drum tension lug body extending through a drum shell wall into a drum shell and having a head portion and a foot portion extending at opposite surfaces of the drum shell wall.
  • Each drum tension lug assembly further comprises a drum tension lug insert-and-retainer comprising an insert body with at least two retainer arms, the insert body engaged in a recess of the drum tension lug body and the retainer arms engaging the drum tension lug body and attaching the drum tension lug body to the drum shell.
  • the drum tension lug assemblies are snap-in drum tension lug assemblies. The snap-in drum tension lug assemblies are attached to the drum shell without screws.
  • a method for attaching a drum tension lug assembly to a drum shell having a drum shell wall comprises the step of: placing a drum tension lug body to extend through the drum shell wall into a drum shell, with a head portion and a foot portion of the drum tension lug body extending at opposite surfaces of the drum shell wall.
  • Preferred implementations of this aspect of the disclosure may include one or more of the following additional features.
  • the method comprises the further steps of: inserting an insert body of a drum tension lug insert-and-retainer into a recess of the drum tension lug body; and engaging retainer arms of the drum tension lug insert-and-retainer upon the drum tension lug body and attaching the drum tension lug body to the drum shell.
  • the method comprises the further step of: inserting the insert-and-retainer element into the drum tension lug body such that the retaining element non-removably attaches the drum tension lug body to the drum shell without screws.
  • a musical percussion instrument comprises a musical percussion drum comprising a drum shell with a drum head defining a drum striking surface secured in place by a drum collar and counter hoop assembly, the drum head striking surface being adjustably tensioned by a set of threaded tension rods mounted at spaced intervals about a circumference of the drum shell, each tension rod engaged through a respective tension rod hole in the counter hoop and extending into threaded engagement with a respective threaded nut associated with a respective snap-in drum tension lug assembly extending through and secured in an aperture defined in in the side wall of the drum shell, the snap-in drum tension lug assembly comprising: a drum tension lug body having a foot portion inserted through the aperture defined by the drum shell wall into the drum shell, the foot portion defining a surface disposed in engagement with an opposed first inner wall surface region of the drum shell, and having a head portion defining a head portion surface engaged with an opposed outer wall surface region of the drum shell, the drum tension lug
  • the threaded nut is a locknut and the threaded nut recess is a locknut recess.
  • the musical percussion drum has upper and lower sets of tension rod assemblies and associated snap-in drum tension lug assemblies.
  • the drum tension lug body is a metal or a strong, rigid plastic. The metal is selected from among: zinc, aluminum, and steel.
  • the drum tension lug insert-and-retainer insert is a resilient plastic.
  • the first inner wall region and the second inner wall region are disposed adjacent opposite segments of the drum shell wall defining the aperture.
  • the first hook portion, disposed in engagement with the second inner wall surface, and the foot portion serve in cooperation to resist displacement of the snap-in drum tension lug assembly from the aperture.
  • the first hook portion and the foot portion serve further in cooperation to resist displacement of the head portion surface from engagement with the opposed outer surface region of the drum shell.
  • the first hook portion, disposed in engagement with the second inner wall surface of the drum shell further acts to resist displacement of the head portion surface from engagement with the opposed outer surface region of the drum shell.
  • the second hook portion, disposed in engagement with the opposed wall surface of the drum tension lug body, and the first hook portion, disposed in engagement with the second inner wall surface of the drum shell act in cooperation to resist displacement of the insert-and-retainer body from engagement with the drum tension lug body.
  • a snap-in drum tension lug assembly for use with a musical percussion instrument, e.g. a musical percussion drum as described with the respect to the aspect of the disclosure discussed just above, comprises: a drum tension lug body having a foot portion inserted through a aperture defined by a drum shell wall into a drum shell, the foot portion defining a surface disposed in engagement with an opposed first inner wall surface region of the drum shell, and having a head portion defining a head portion surface engaged with an opposed outer wall surface region of the drum shell, the drum tension lug body defining a threaded nut recess sized and shaped for receiving a threaded nut disposed in close-fitting engagement for resisting rotation of the threaded nut in the threaded nut recess, the threaded nut being disposed for threaded engagement with a lower end region of an associated drum tension rod, a drum tension lug insert
  • a snap-in drum tension lug assembly can streamline and simplify the process of attaching drum lugs to the drum shell.
  • the user typically receives a set of snap-in drum tension lug assemblies of the disclosure as a unit, consisting, e.g., of the drum tension lug body, a threaded or locknut, and, optionally, a tension lug insert-and-retainer, that can be quickly and simply snapped into place from outside the drum shell, and that does not require the use of screws and a screwdriver, or other tools.
  • the insert-and-retainer may be omitted, with the drum tension lug body held in engagement in the drum wall aperture, e.g. by tension of the tension rod engaged in the threaded or locknut.
  • the drum snap-in tension lug assembly of the current disclosure allows a user to quickly and easily assemble a musical percussion drum from its component parts when the drum is received.
  • each drum lug is attached to the drum shell using one or more screws installed from within of the drum shell, through the shell wall, and into engagement with the drum lug.
  • the snap-in drum tension lug assembly including a drum tension lug body and, optionally, a drum tension lug insert- and-retainer, permits attachment of the drum tension lug assembly to the drum shell from outside the shell, and without the use of another tool (e.g., a screwdriver).
  • FIG. A is a perspective view of a conventional (prior art) musical percussion drum.
  • FIG. 1 is a perspective view of a musical percussion drum of the disclosure, having a snap-in drum tension lug assembly.
  • FIG. 2 is an enlarged cross sectional view of the snap-in drum tension lug assembly of FIG. 1.
  • FIG. 3 is an exploded perspective view of the snap-in drum tension lug assembly of FIG. 1.
  • FIG. 4 A is a front view of the snap-in drum tension lug body of FIG. 3, while FIG. 4B is a rear view, FIG. 4C is a right side view, FIG. 4D is a left side view, FIG. 4E is a bottom view, and FIG. 4F is a side section view taken at the line B-B of FIG. 4E, all showing the snap-in drum tension lug body.
  • FIG. 5 A is a front view of the snap-in drum tension lug insert-and-retainer of FIG. 3, while FIG. 5B is a rear view, FIG. 5C is a side view, FIG. 5D is a bottom view, and FIG. 5E is a side section view taken at the line C-C of FIG. 5D, all showing the snap-in drum tension lug insert-and-retainer.
  • FIG. 6A is a front view of the snap-in drum tension lug assembly, e.g. of FIGS. 1 and 2, while FIG. 6B is a rear view, FIG. 6C is a side view, FIG. 6D is a top view, FIG. 6E is a bottom view, and FIG. 6F is a side section view taken at the line A-A of FIG. 6D, all showing the snap-in drum tension lug assembly.
  • a conventional musical drum 2 is typically formed by a cylindrical drum body or shell 4 that has one end or possibly both ends covered by a drum skin, or drum head 13.
  • the drum head includes a drum head collar or rim (not shown) and a hoop or counter hoop 10 that holds the drum skin in tension over the drum body.
  • the hoop 10 is secured to the drum body 4 by a multiple tension rods 12 that pass through the hoop to be received in lugs 14 mounted around the periphery of the drum body.
  • the drum lugs 14 serve as anchors for the associated tension rods 12, which apply tension to the drum hoop 10, the drum head collar, and ultimately to the drum head 13 for tensioning and tuning the drum.
  • a musical percussion instrument 100 i.e., a musical percussion drum 102 of the disclosure, in one
  • the drum head has a generally cylindrical drum body or shell 104 and a sound generating surface (e.g., a drum head) 106.
  • the drum head includes a drum collar 108 in the form of a thin aluminum ring attached about the circumference of the drum head 106.
  • the drum 102 further includes a counter hoop 110 that engages upon the drum collar 108 and defines a set of tension rod holes 109 spaced about its circumference.
  • Elongated tension rods 112 are inserted through each of the respective tension rod holes 109 and received (e.g., via a threaded connection) into respective snap-in drum tension lug assemblies 114 mounted to the drum shell wall 105 at spaced apart locations about the circumference of the drum body 104.
  • the drum head is secured to an upper end of the shell 104 and tensioned, i.e. tuned, by action of threaded tension rods 112 drawing down drum counter hoop 110 upon drum head collar 108.
  • the tension rods 112 are metal, e.g. steel, with an upper tension rod head portion
  • An extended lower tension rod portion 111 is screw-threaded for engagement with threaded nuts, e.g. locknuts, 122 mounted in the respective snap-in drum tension lug assemblies
  • the drum 102 may also have a drum mounting clamp 120 (FIG. 1) attached to the shell, e.g. replacing one or more of the drum lugs, for mounting the drum 102 or other elements of a percussion set.
  • each snap-in drum tension lug assembly 114 extends through and is secured in a close-fitting aperture 121 defined in the wall 105 of the drum shell 104, as will now be described.
  • the snap-in drum tension lug assembly 114 includes: a drum tension lug body 116, e.g. formed of a strong, rigid material, e.g. a metal, such as zinc, aluminum, or steel, or a suitable plastic; a drum tension lug insert-and-retainer 118, formed, e.g., of resilient plastic: and a locknut 122 disposed generally in between.
  • the locknut 122 is of conventional design, with an outer ring portion of steel or other appropriate metal and an interior ring portion in the form of a threaded nylon insert.
  • the tension rods 112 are typically formed of steel or other suitable metal, and the tension rod 112 and locknut 122 are mutually suitably sized so that an end of the tension rod, i.e., the tension rod lower portion 111, can be threaded into the locknut 122, which causes the nylon insert to undergo plastic deformation as it is tensioned by threading over the tension rod 112. This causes the locknut to grip the tension rod 112 and maintain the torque imparted by the tension rod 112 to keep it in place.
  • the tension rods 122 can vary in length, e.g.
  • the tension rod has a head 113 that is square or hexagonal or otherwise shaped to be grasped and torqued by the user as the tension rod lower portion 111 is rotated relative to the locknut 122.
  • the snap-in drum tension lug assembly 114 is shown in cross-section, installed in the drum shell wall aperture 121.
  • the lug body 116 has a foot portion 124, which, when installed, defines a surface 171 disposed in close engagement with an opposed first inner wall surface region 172 of the drum shell 104.
  • the lug body 116 also has a head portion 126 defining a head portion surface 173 engaged with a closely opposed outer wall surface region 174 of the drum shell.
  • the lug body 124 further defines a locknut recess 142, which is sized and shaped for receiving the locknut 122 in close-fitting engagement. The lug body thereby resists rotation of the locknut in the locknut recess 142 for threaded engagement with the lower end region 111 of an associate drum tension rod 112.
  • the snap-in drum tension lug assembly 114 further includes a drum tension lug insert-and-retainer 118, formed, e.g., of resilient plastic, having a main body 150 defining an upper surface region 152 disposed to resist displacement of the locknut 122 from the drum tension lug body recess 142 and defining a bore or hole 164 for receiving a lower portion 111 of the tension rod 112 passing through the drum tension lug body 116.
  • the drum tension lug insert-and-retainer 118 further has a pair of first and second resilient retainer arms 154, 158 extending in cooperating upper and lower channels 155, 159, respectively, defined by the drum tension lug body 116.
  • the first resilient retainer arm 154 terminates in a first (upper) hook portion 160 disposed for engagement with a second inner wall surface region 175 of the drum shell 104.
  • the first inner wall surface region 172, opposed by surface 171 of the foot portion 124, and the second inner wall surface region 175 engaged by the first hook portion 160 are disposed adjacent opposite segments of the aperture 121.
  • the first hook portion 160 in engagement with the inner wall surface region 175, with cooperation of the foot portion surface 172 of the drum lug assembly resists displacement of the head portion surface 173 from engagement with the opposed outer surface region 174 of the drum shell wall 105.
  • the second resilient retainer arm 158 terminates in a second hook portion 162 disposed for engagement with an opposed wall projection 140 of the tension lug body 116.
  • the second hook portion 162 in engagement with the opposed wall projection 140 of the tension lug body 116, with cooperation of the first hook portion 106 in engagement with the inner drum wall surface region 175, resists displacement of the tension lug insert-and-retainer 118 from engagement with the tension lug body 116.
  • the tension lug body 116 is generally annular in shape, and includes a foot portion 124, a head portion 126 and a non-symmetric insert-receiving recess 127, as best shown in FIG. 3.
  • the insert- receiving recess 127 is sized and shaped to receive the tension lug insert-and-retainer 118, and extends generally from an opening at the front surface 128 to a rear wall surface 130 defined by the tension lug body 116.
  • the tension lug body 116 also has a nose portion 132 extending forward from the head portion 126.
  • the nose portion 132 is generally cylindrical in shape and defines the insert receiving recess 127 at its lower surface, ending at wall 130, and the locknut recess 142 in its upper wall surface.
  • a tension rod receiving bore 144 in communication between top surface of the nose portion 132 and the locknut recess 142, has an inner diameter selected to allow passage of the tension rod 112 but to retain the locknut 122. This creates a compression surface 146 at the top of the locknut recess 142, disposed in contact with a top surface of the locknut 122.
  • the head portion 126 of the tension lug body 116 in a region between rear surface 130 of the recess 127 and the body 134, and adjacent to the foot portion 124, defines a smoothly curved and relieved region 125 having gradually decreasing diameter moving toward the body 134 and the lug body rear surface 131.
  • the foot potion 124 has similar relieved regions 125', with its cross diameter, measured between side surfaces, gradually decreasing width moving toward the lug body rear surface 131. These relieved region 125, 125' serve to facilitate insertion of the foot portion 124 and body portion 134 into and through the drum shell wall aperture 121.
  • the tension lug insert-and-retainer 118 is sized and shaped to fit into the insert receiving recess 127 of the tension lug body 116, such that the insert front surface 148 is flush with the front surface 128 of the tension lug body 116.
  • the tension lug insert-and- retainer 118 is generally "U"-shaped, where the top of the "U” is the insert front surface 148 of the main insert body 150 of the lug insert-and-retainer 118.
  • the main body 150 has an upper portion in the form of an upper retaining leg 164 and a lower portion in the form of a lower retaining leg 168.
  • the main body 150 defines hole or bore 164 positioned to receive a lower portion 111 of the tension rod that extends through the locknut 122.
  • the upper surface region 152 of the tension lug insert-and-retainer 118 cooperates with the locknut recess 142 defined by the tension lug body 116.
  • the tension lug insert-and-retainer 118 is snapped into insert receiving recess 127 of the tension plug body 116, the opposed surfaces 146, 152 of locknut recess 142 of the tension the lug body 116 and the tension lug insert-and-retainer 118, respectively, cooperate to retain and position the locknut 122 for threaded engagement with the tension rod 112.
  • the upper retaining arm 154 and the lower retaining arm 158 terminate in snap hooks 160, 162, respectively, that engage with the inner wall surface region 175 (upper hook 160) and with the projection 140 of the lug body 116 (lower hook 162) to secure the tension lug insert-and-retainer 118 to the drum shell 104 and to the tension lug body 116.
  • the snap hook 160 of upper retaining arm 164 snaps into engagement with the inner surface of the shell 104 at surface region 175, while the snap hook 162 of the lower retaining leg 166 snaps into engagement behind the projection 140 of the tension lug body 116.
  • the insert retainer 116 is preferably made of a resistant plastic, e.g., by casting, extrusion, or other suitable method.
  • the number of apertures 121 provided through the wall 105 of the drum shell 104 is equal to the number of drum lugs 114 specified for the particular size and type of drum 102.
  • the apertures 121 are arranged, e.g., with equal spacing, about the circumference of the shell 104.
  • the snap-in drum tension lug assembly 114 e.g. as shown in FIGS. 6 A through 6F, is first assembled by placing the threaded or locknut 122 into the threaded or locknut recess 142.
  • the drum tension lug insert-and retainer 118 is then assembled with the drum tension lug body 116 by aligning the first (upper) and second (lower) retaining arms 154, 158 of the insert-and retainer main body 150 in alignment with the upper and lower channels 155, 155, respectively, of the drum tension lug body 118.
  • the insert body 150 is then pressed into the insert receiving recess 127 of the drum tension lug body 118, causing the lower hook 160 of the lower retaining arm 158 to snap over the projection 140, defining the drum tension lug body 118.
  • the snap-in drum tension lug assembly 114 consisting of the drum tension lug body 116, the drum tension lug insert- and-retainer 118, and the threaded or locknut 122 is secured together as a unit, e.g. for shipment.
  • the snap-in drum tension lug assembly 114 is assembled with the drum shell 104 of percussion musical drum 102, e.g. by the end purchaser or by another person in the chain of deliver or use.
  • the assembler inserts the foot portion 124 of the drum tension lug assembly 114 through the shell aperture 121, into the volume of the drum shell, and then rotates the drum tension lug assembly 114 to position the body portion 134 in the aperture 121 defined by the drum shell 104. Fit and positioning of the drum lug body 134 in the aperture is facilitated by the angled relieved regions 125 about the lower surface of the head portion 126, as described above.
  • the surface 172 of the foot portion 124 is then engaged with (or at least placed in close proximity to) the first inner surface region 172 of the drum shell 104, while the surface 173 of the head portion 126 is simultaneously engaged with (or at least in placed in close proximity to) the outer wall surface region 174 of the drum shell 104.
  • This motion also causes the first hook 160 of the first retainer arm 154 to snap into retaining engagement with the second inner surface region 175 of the drum shell wall 105, at a position opposite (relative to the drum wall) to engagement of the tension lug body head portion 126 with the outer surface region 174 of the drum shell 104 and at a position opposite (relative to the aperture 121 in the drum wall 104) to engagement of the inner foot portion surface 171 with the opposed inner wall surface 172 of the drum shell 104, which secures the snap-in drum tension lug assembly to the drum shell 104.
  • the lower end portion 111 of the tension rod 112 is next inserted through the provided bore 144 in the lug body 116 and engaged, by rotation of the tension rod 112 in the tension rod hole 109 of the drum head collar 108, in the threaded or locknut 122.
  • the assembler or user can then further tighten the tension rod 112 in the locknut 122 to tension the tension rod 112 to its desired degree.
  • the resulting force is carried by the tension lug body 116 with substantially no force being felt by the plastic insert-and-retainer 118.
  • the plastic insert-and-retainer 118 serves to hold the tension lug body 116 in place with respect to the shell 104.
  • Tightening the tension rod 112 causes compression between the locknut 122 and the locknut recess 142 of the tension lug body 116, putting load on the metal tension lug body 116 and not on the plastic insert-and-retainer 118.
  • the user adjusts the tension rods 112 by rotation of the tension rod heads 106 in a clockwise direction (to tighten) or in a counterclockwise direction (to loosen) the tightness or tension of the drum head 106, until the appropriate amount of tightness or tension of the drum head is achieved, thereby to produce the desired sound when the drum striking surface 101 is struck by a user.
  • the tension rods 112 may be easily loosened, e.g.
  • the tension rods 112 may be loosened and disengaged from the locknuts 122 in the snap-in drum tension lug assembly 114. If the tension rods 112 are removed, the counter hoop 110 and the drum head 106 with drum head collar 108 can be removed from the shell 114 for storage or replacement.
  • the snap-in drum tension lug assembly 114 can also remain attached to the shell 104 and ready to receive tightening of the tension rods 112 when needed.
  • the drum tension lug body 116 may be held in place, i.e. engaged through the drum shell wall aperture 121, and thereby perform its intended purpose, by means of tension applied by rotation of the tension rod 112 in threaded engagement with the threaded nut or locknut 122 disposed with the recess 127 and in engagement with the compression surface 146, without use of the tension lug insert-and-retainer 118.
  • use of the tension lug insert-and-retainer may not be required in all implementations of the disclosure.
  • the threaded or locknut 122 and the tension lug insert-and-retainer 118 may be assembled with the drum tension lug body 116 after the lug body is engaged in the drum shell wall aperture 121, thereby forming the snap-in drum tension lug assembly 118 and snapping it into place in the drum shell wall aperture in a single operation.

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

Abstract

La présente invention concerne un instrument musical à percussion (100), c'est-à-dire un tambour (102), qui comporte une coque de tambour (104) et une surface de génération du son (106) fixée solidement à l'extrémité supérieure du tambour par un ensemble de tiges de tension réglables (112) s'étendant entre un cerclage de tambour (108, 110) et une pluralité d'assemblages de tirants de tension (114), chacun comprenant un corps de tirant de tension de tambour (116) s'étendant à travers la paroi du tambour dans la coque du tambour et comportant une partie tête (126) et une partie pied (124) s'étendant à des surfaces en regard de la paroi du tambour.
PCT/US2014/021827 2013-03-15 2014-03-07 Ensemble de tirants de tension de tambour encliquetables WO2014150008A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361789821P 2013-03-15 2013-03-15
US61/789,821 2013-03-15

Publications (1)

Publication Number Publication Date
WO2014150008A1 true WO2014150008A1 (fr) 2014-09-25

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PCT/US2014/021827 WO2014150008A1 (fr) 2013-03-15 2014-03-07 Ensemble de tirants de tension de tambour encliquetables

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5561255A (en) * 1993-03-25 1996-10-01 Sonor Johs. Link Gmbh Tensioning device for the skins of percussion instruments
US6700045B2 (en) * 2001-06-18 2004-03-02 Rmv Instr Musicais Ltda Constructive arrangement disposed in a tuning mechanism for percussion instruments
US7084338B2 (en) * 2002-10-07 2006-08-01 Yamaha Corporation Lug fixing structure for drum
US7511211B2 (en) * 2005-03-15 2009-03-31 Think Peak, Inc. Securing drum head to drum body with quick-action drum lug assemblies

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5561255A (en) * 1993-03-25 1996-10-01 Sonor Johs. Link Gmbh Tensioning device for the skins of percussion instruments
US6700045B2 (en) * 2001-06-18 2004-03-02 Rmv Instr Musicais Ltda Constructive arrangement disposed in a tuning mechanism for percussion instruments
US7084338B2 (en) * 2002-10-07 2006-08-01 Yamaha Corporation Lug fixing structure for drum
US7511211B2 (en) * 2005-03-15 2009-03-31 Think Peak, Inc. Securing drum head to drum body with quick-action drum lug assemblies

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