US3405586A - Mounting means for mounting a sheet on a musical instrument - Google Patents
Mounting means for mounting a sheet on a musical instrument Download PDFInfo
- Publication number
- US3405586A US3405586A US695811A US69581167A US3405586A US 3405586 A US3405586 A US 3405586A US 695811 A US695811 A US 695811A US 69581167 A US69581167 A US 69581167A US 3405586 A US3405586 A US 3405586A
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- sheet
- peripheral frame
- mounting
- musical instrument
- frame
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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
- G10D13/00—Percussion musical instruments; Details or accessories therefor
- G10D13/10—Details of, or accessories for, percussion musical instruments
- G10D13/20—Drumheads
-
- 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
- MOUNTI NG MEANS FQR MOUNTING A SHEET ON A MUSICAL INSTRUMENT Filed Oct. 25, 1967 2 Sheets-Sheet 2 INVENTOR 'Y shi u K ⁇ Kzflshi KPWJR BY M ATTORNEYS United States Patent 3,405,586 MOUNTING MEANS FOR MOUNTING A SHEET ON A MUSICAL INSTRUMENT Yoshiyuki Koishikawa, 2365 Kawaradacho, Mie Prefecture, Yokkaichi, Japan Continuation-impart of application Ser. No. 601,085, Dec. 12, 1966. This application Oct. 25, 1967, Ser. No. 695,811 Claims priority, application Japan, Oct.
- a combination sheet and mounting means for mounting on a musical instrument comprising a sheet for forming part of the musical instrument and an annular peripheral frame having a U-shaped cross sectional configuration, the outer peripheral edge of said sheet being positioned between and tightly held by the leg portions of the peripheral frame, both the front and back leg portions of said peripheral frame and said sheet positioned therebetween having concave depressions at predetermined intervals in the circumferential direction of said peripheral frame, whereby said sheet is tightly fixed to said peripheral frame.
- This invention relates to an improvement in an apparatus for mounting a sheet forming part of a musical instrument.
- this invention relates to an improvement in an apparatus for mounting a sheet relative to the peripheral frame of a drum or a tambourine.
- a synthetic resin film such as, for instance, a polyester film
- Such a synthetic resin film has good moisture resisting characteristics and is suitable as a material for such a sheet.
- its thickness is extremely small, being only 0.075-035 mm., and it is very slippery.
- the present invention has been proposed in orde to eliminate such defects.
- a primary object of this invention is to provide an improved apparatus for mounting a sheet forming part of a musical instrument, whereby a sheet can be mounted on the peripheral frame of a drum or a tambourine by a simple structure and the sheet is not damaged by rough use.
- One of other objects of this invention is to simplify mounting of a slippery synthetic resin sheet on a peripheral frame, to prevent occurrence of extension and contraction of the sheet due to moisture by making use of the moisture-resisting properties of synthetic resin film constituting the sheet, whereby the sheet can be always maintained in a uniformly tensioned state.
- Another object of this invention is to provide an improved apparatus for mounting a sheet forming part of a musical instrument, the structure of which apparatus is simple and which is suitable for mass production.
- the apparatus for mounting the sheet forming part of a musical instrument comprises a sheet and an annular peripheral frame having a U-shaped cross sectional configuration for tightly fixing the peripheral edge of said sheet.
- the outer peripheral edge of said sheet 3,405,586 Patented Oct. 15, 1968 ice is inserted into said peripheral frame, and both the front and back pieces of said U-shaped peripheral frame are pressed toward each other and said sheet therebetween to press them together, and to form concave depressions at predetermined intervals along the circumference of said peripheral frame, thereby tightly fixing said sheet to said peripheral frame.
- the outer peripheral edge of said sheet is uniformly pressed in contact with said peripheral frame over a broad area extending the entire circumferential length of said edge. Further, because both the front and back pieces of said peripheral frame together with said sheet inserted therebetween are pressed together and have concave depressions formed therein at predetermined intervals along the circumferential length of said peripheral frame, the outer peripheral edge of said sheet is uniformly and tightly fixed to said peripheral frame and is prevented from slipping, thus slip of said sheet relative to the peripheral frame due to an outside force applied to said sheet and expansion and contraction of said sheet caused by dryness and moisture are completely prevented. Because the outer peripheral edge of said sheet is tightly fixed to the peripheral frame under a roughly uniform tension for the entire length thereof, there is no danger of wrinkles being formed on the surface of the sheet and that the instrument is caused to get out of tune.
- the outer peripheral edge of said sheet is protected by said peripheral frame by being inserted in the frame for the entire width from the radial inner edge to the radial outer edge of said peripheral frame, the outer peripheral part of said sheet is reinforced and there is no fear that the sheet will be torn from the frame.
- said sheet can be properly anchored in the peripheral frame.
- FIG. 1 is a fragmentary perspective view showing a drumhead mounted on a drum by one good embodiment of this invention
- FIG. 2 is a plan view of the drumhead shown in FIG. 1;
- FIGS. 3 and 4 are sectional views taken along line II- II and line III-III of FIG. 2, respectively;
- FIGS. 5 and 6 are sectional views similar to FIG. 3 showing other embodiments of this invention.
- FIG. 7 is a plan view showing still another embodiment of this invention.
- FIG. 8 is a plan view showing a further embodiment of this invention.
- FIGS. 9 and 10 are sectional views taken along line IVIV and line X--X of FIG. 8, respectively;
- FIGS. 1113 are sectional views similar to FIG. 9 showing further different embodiments of the invention.
- FIGS. 14 show this invention applied to a drumhead of a drum.
- a drum body 10 has an edge over which is mounted a drumhead 11 the outer peripheral edge of which is fixed to an annular frame 12 of metal, such as aluminum, having a cross section of a U-shaped configuration.
- the outer peripheral edge of the sheet 11 is positioned in and tightly clamped between the front and rear portions of the U- shaped peripheral frame 12.
- the outer part of said peripheral frame 12 is bent outwardly at a angle 3 with the sheet 11 clamped therein and the horizontally bent part thus formed provides a pressure receiving surface for a pressing member for mounting a drumhead on a drum body as will be described later.
- the drumhead sheet 11 Upon mounting the drumhead constituted as described above on a drum body 10, as shown in FIG. 1, the drumhead sheet 11 is positioned over the opening of the drum body so as to close said opening, and on the horizontal part of said peripheral frame projecting outwardly from the outer periphery of the body 10 is mounted an annular pressing member 14 having an internal annular piece 14a and a rod 16 having a head 16a thereon extending through an outer annular piece 14b horizontally projecting from said inner annular piece 14a and the lower end of which is threaded into a hole provided in a mounting member 15 extending outwardly from the drum body 10.
- the lower surface of the head 16a presses down the outer annular piece 14b of said annular pressing member 14 so that the internal annular piece 14a presses down the horizontal part of said peripheral frame 12 together with the sheet 11 clamped in the peripheral frame, whereby said sheet 11 is mounted over the open end of the drum body 10 under tension so as to close said open end.
- the internal free end of the upper horizontal piece 12a of the peripheral frame 12 is in a perpendicular position at 12c, said perpendicular piece 12c holding said sheet 11 between it and the perpendicularly bent end piece of the internal free end of the lower piece of said horizontal member 12b.
- the embodiment shown in FIG. 5 differs from that of FIGS. 3 and 4 in that said perpendicular piece 12c is omitted. Otherwise the embodiment of FIG. 5 is the same as that of FIGS. 3 and 4.
- the parts the same as those of the earlier described embodiments are designated by the same reference numerals.
- the peripheral frame 12 having the U-shaped cross section and holding the peripheral edge of a drumsheet 11 is first bent at 90 outwardly, and thereafter the bent out horizontal part has the end portion so that it lies on top of original outwardly bent part, and the two horizontal parts are pressed together and acted on so as to be given the small spherical concave depressions 13 at the necessary intervals, and by means of these concave depressions 13 the peripheral edge of said sheet is tightly held in the peripheral frame 12.
- the horizontally outwardly bent part of said peripheral frame 12 is pressed so as to clamp the edge of the sheet 11 and concave grooves 13' extending in the circumferential direction are formed at predetermined intervals, and by these concave grooves 13' the sheet 11 is tightly held in the peripheral frame 12.
- both the outside and inside parts 12d and 12e of the perpendicular part of said peripheral frame 12 together with the sheet 11 held therebetween are pressed together and have depressions 13" formed therein spaced in the circumferential direction of the peripheral frame at intervals, whereby the sheet 11 is tightly held in the peripheral frame 12.
- Said concave depressions 13 can be concave grooves.
- the upper end 12d of the outside perpendicular part of the peripheral frame 12 has an outwardly and horizontally bent end 12 thereon which forms a pressure receiving surface for said pressing member 14.
- the parts equivalent to those of the preceding embodiments are designated by the same reference numerals.
- the lower end of the U-shaped peripheral frame 12 with the edge of the sheet 11 clamped tightly therein is bent back up r along the outside of the outside part 12d, the inside part extending along the bottom of the frame at 12g and upwardly at 12h, and the outside part being doubled back and extending upwardly at 12j.
- a combination sheet and mounting means for mounting on a musical instrument comprising a sheet for forming part of the musical instrument and an annular peripheral frame having a U-shaped cross sectional configuration, the outer peripheral edge of said sheet being positioned between and tightly held by the leg portions of the peripheral frame, both the front and back leg portions of said peripheral frame and said sheet positioned therebetween having concave depressions at predetermined intervals in the circumferential direction of said peripheral frame, whereby said sheet is tightly fixed to said peripheral frame.
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- Acoustics & Sound (AREA)
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- Auxiliary Devices For Music (AREA)
Description
1968 I YOSHIYUKI KOISHIKAWA 3,405,536
MOUNTING MEANS FOR MOUNTING A SHEET ON A MUSICAL INSTRUMENT Filed Oct. 25, 1967 2 Sheets-Sheet 1 FIGJ 1953 YOSHIYUKI KOISHIKAWA 3,405,586
MOUNTI NG MEANS FQR MOUNTING A SHEET ON A MUSICAL INSTRUMENT Filed Oct. 25, 1967 2 Sheets-Sheet 2 INVENTOR 'Y shi u K\ Kzflshi KPWJR BY M ATTORNEYS United States Patent 3,405,586 MOUNTING MEANS FOR MOUNTING A SHEET ON A MUSICAL INSTRUMENT Yoshiyuki Koishikawa, 2365 Kawaradacho, Mie Prefecture, Yokkaichi, Japan Continuation-impart of application Ser. No. 601,085, Dec. 12, 1966. This application Oct. 25, 1967, Ser. No. 695,811 Claims priority, application Japan, Oct. 23, 1966, 41/99,402, ll/99,403 7 Claims. (Cl. 84-414) ABSTRACT OF THE DISCLOSURE A combination sheet and mounting means for mounting on a musical instrument, comprising a sheet for forming part of the musical instrument and an annular peripheral frame having a U-shaped cross sectional configuration, the outer peripheral edge of said sheet being positioned between and tightly held by the leg portions of the peripheral frame, both the front and back leg portions of said peripheral frame and said sheet positioned therebetween having concave depressions at predetermined intervals in the circumferential direction of said peripheral frame, whereby said sheet is tightly fixed to said peripheral frame.
This application is a continuation in part of application Ser. No. 601,085 filed Dec. 12, 1966.
This invention relates to an improvement in an apparatus for mounting a sheet forming part of a musical instrument.
More particularly, this invention relates to an improvement in an apparatus for mounting a sheet relative to the peripheral frame of a drum or a tambourine.
Heretofore, animal skin has been used for drumheads or for tambourines. Recently, however, as a substitute for said skin, a synthetic resin film such as, for instance, a polyester film, has been used. Such a synthetic resin film has good moisture resisting characteristics and is suitable as a material for such a sheet. However, its thickness is extremely small, being only 0.075-035 mm., and it is very slippery. Upon mounting the peripheral edge of a drumhead sheet on a drum body, said sheet tend to be broken and to slip relative to the peripheral frame, and it has been found to be difiicult to fix the sheet to said frame tightly.
The present invention has been proposed in orde to eliminate such defects.
A primary object of this invention is to provide an improved apparatus for mounting a sheet forming part of a musical instrument, whereby a sheet can be mounted on the peripheral frame of a drum or a tambourine by a simple structure and the sheet is not damaged by rough use.
One of other objects of this invention is to simplify mounting of a slippery synthetic resin sheet on a peripheral frame, to prevent occurrence of extension and contraction of the sheet due to moisture by making use of the moisture-resisting properties of synthetic resin film constituting the sheet, whereby the sheet can be always maintained in a uniformly tensioned state.
Another object of this invention is to provide an improved apparatus for mounting a sheet forming part of a musical instrument, the structure of which apparatus is simple and which is suitable for mass production.
In order to achieve the aforesaid objects, the apparatus for mounting the sheet forming part of a musical instrument according to this invention comprises a sheet and an annular peripheral frame having a U-shaped cross sectional configuration for tightly fixing the peripheral edge of said sheet. The outer peripheral edge of said sheet 3,405,586 Patented Oct. 15, 1968 ice is inserted into said peripheral frame, and both the front and back pieces of said U-shaped peripheral frame are pressed toward each other and said sheet therebetween to press them together, and to form concave depressions at predetermined intervals along the circumference of said peripheral frame, thereby tightly fixing said sheet to said peripheral frame.
In this invention, as mentioned above, because the front and back of the outer peripheral edge of the sheet are positioned in the annular peripheral frame having the U-shaped cross sectional configuration, the outer peripheral edge of said sheet is uniformly pressed in contact with said peripheral frame over a broad area extending the entire circumferential length of said edge. Further, because both the front and back pieces of said peripheral frame together with said sheet inserted therebetween are pressed together and have concave depressions formed therein at predetermined intervals along the circumferential length of said peripheral frame, the outer peripheral edge of said sheet is uniformly and tightly fixed to said peripheral frame and is prevented from slipping, thus slip of said sheet relative to the peripheral frame due to an outside force applied to said sheet and expansion and contraction of said sheet caused by dryness and moisture are completely prevented. Because the outer peripheral edge of said sheet is tightly fixed to the peripheral frame under a roughly uniform tension for the entire length thereof, there is no danger of wrinkles being formed on the surface of the sheet and that the instrument is caused to get out of tune.
Also in this invention, because the outer peripheral edge of said sheet is protected by said peripheral frame by being inserted in the frame for the entire width from the radial inner edge to the radial outer edge of said peripheral frame, the outer peripheral part of said sheet is reinforced and there is no fear that the sheet will be torn from the frame.
Furthermore, according to this invention by adjusting the interval, length and shape of said concave depressions, said sheet can be properly anchored in the peripheral frame.
In the drawings:
FIG. 1 is a fragmentary perspective view showing a drumhead mounted on a drum by one good embodiment of this invention;
FIG. 2 is a plan view of the drumhead shown in FIG. 1;
FIGS. 3 and 4 are sectional views taken along line II- II and line III-III of FIG. 2, respectively;
FIGS. 5 and 6 are sectional views similar to FIG. 3 showing other embodiments of this invention;
FIG. 7 is a plan view showing still another embodiment of this invention;
FIG. 8 is a plan view showing a further embodiment of this invention;
FIGS. 9 and 10 are sectional views taken along line IVIV and line X--X of FIG. 8, respectively;
FIGS. 1113 are sectional views similar to FIG. 9 showing further different embodiments of the invention.
FIGS. 14 show this invention applied to a drumhead of a drum.
In FIG. 1, a drum body 10 has an edge over which is mounted a drumhead 11 the outer peripheral edge of which is fixed to an annular frame 12 of metal, such as aluminum, having a cross section of a U-shaped configuration.
As will be apparent from FIGS. 2-4, the outer peripheral edge of the sheet 11 is positioned in and tightly clamped between the front and rear portions of the U- shaped peripheral frame 12. In order to increase the anchoring strength of the frame, the outer part of said peripheral frame 12 is bent outwardly at a angle 3 with the sheet 11 clamped therein and the horizontally bent part thus formed provides a pressure receiving surface for a pressing member for mounting a drumhead on a drum body as will be described later.
The upper part 12a and the lower part 12b of the horizontally bent part of said peripheral frame and the sheet 11 inserted therebetween are pressed together and concave depressions are formed therein having a crosssection in the shape of small spheres at predetermined intervals in the circumferential direction, and by said concave depressions 13, the outer peripheral edge of said sheet 11 is tightly fixed to the peripheral frame 12.
Upon mounting the drumhead constituted as described above on a drum body 10, as shown in FIG. 1, the drumhead sheet 11 is positioned over the opening of the drum body so as to close said opening, and on the horizontal part of said peripheral frame projecting outwardly from the outer periphery of the body 10 is mounted an annular pressing member 14 having an internal annular piece 14a and a rod 16 having a head 16a thereon extending through an outer annular piece 14b horizontally projecting from said inner annular piece 14a and the lower end of which is threaded into a hole provided in a mounting member 15 extending outwardly from the drum body 10. The lower surface of the head 16a presses down the outer annular piece 14b of said annular pressing member 14 so that the internal annular piece 14a presses down the horizontal part of said peripheral frame 12 together with the sheet 11 clamped in the peripheral frame, whereby said sheet 11 is mounted over the open end of the drum body 10 under tension so as to close said open end.
In the aforesaid embodiment, the internal free end of the upper horizontal piece 12a of the peripheral frame 12 is in a perpendicular position at 12c, said perpendicular piece 12c holding said sheet 11 between it and the perpendicularly bent end piece of the internal free end of the lower piece of said horizontal member 12b. The embodiment shown in FIG. 5 differs from that of FIGS. 3 and 4 in that said perpendicular piece 12c is omitted. Otherwise the embodiment of FIG. 5 is the same as that of FIGS. 3 and 4. In FIG. 5, the parts the same as those of the earlier described embodiments are designated by the same reference numerals.
In the embodiment shown in FIG. 6, the peripheral frame 12 having the U-shaped cross section and holding the peripheral edge of a drumsheet 11 is first bent at 90 outwardly, and thereafter the bent out horizontal part has the end portion so that it lies on top of original outwardly bent part, and the two horizontal parts are pressed together and acted on so as to be given the small spherical concave depressions 13 at the necessary intervals, and by means of these concave depressions 13 the peripheral edge of said sheet is tightly held in the peripheral frame 12.
In the embodiment shown in FIG. 7, the horizontally outwardly bent part of said peripheral frame 12 is pressed so as to clamp the edge of the sheet 11 and concave grooves 13' extending in the circumferential direction are formed at predetermined intervals, and by these concave grooves 13' the sheet 11 is tightly held in the peripheral frame 12.
In the embodiments shown in FIGS. 8-10, in contrast to the embodiments shown in FIGS. 1-4 wherein in the horizontally bent part of the annular peripheral frame 12 having a U-shaped cross sectional configuration concave depressions are formed, both the outside and inside parts 12d and 12e of the perpendicular part of said peripheral frame 12 together with the sheet 11 held therebetween are pressed together and have depressions 13" formed therein spaced in the circumferential direction of the peripheral frame at intervals, whereby the sheet 11 is tightly held in the peripheral frame 12. Said concave depressions 13 "can be concave grooves.
In the embodiment shown in FIG. 11, the upper end 12d of the outside perpendicular part of the peripheral frame 12 has an outwardly and horizontally bent end 12 thereon which forms a pressure receiving surface for said pressing member 14. In FIG. 11, the parts equivalent to those of the preceding embodiments are designated by the same reference numerals.
In the embodiment shown in FIG. 12, the horizontally bent lower end 12 of the peripheral frame is omitted. In FIG. 12, the parts equivalent to those of the preceding embodiments are designated by the same reference numerals.
In the embodiment shown in FIG. 13, in which the same reference numerals designate similar parts, the lower end of the U-shaped peripheral frame 12 with the edge of the sheet 11 clamped tightly therein is bent back up r along the outside of the outside part 12d, the inside part extending along the bottom of the frame at 12g and upwardly at 12h, and the outside part being doubled back and extending upwardly at 12j.
The invention has been described with reference to particular embodiments; however, the invention is not limited to these embodiments, but various changes of design are possible without departing from the. spirit and scope of this invention as defined in the appended claims.
What is claimed is:
1. A combination sheet and mounting means for mounting on a musical instrument, comprising a sheet for forming part of the musical instrument and an annular peripheral frame having a U-shaped cross sectional configuration, the outer peripheral edge of said sheet being positioned between and tightly held by the leg portions of the peripheral frame, both the front and back leg portions of said peripheral frame and said sheet positioned therebetween having concave depressions at predetermined intervals in the circumferential direction of said peripheral frame, whereby said sheet is tightly fixed to said peripheral frame.
2. The combination as claimed in claim 1v in which said frame and the sheet tightly held thereby is bent into a shape having an L-shaped cross sectional configuration, the front and back leg portions of the horizontally bent part of said L-shaped frame together with the sheet therebetween having said concave depressions therein.
3. The combination as claimed in claim 1 in which said peripheral frame and the sheet inserted tightly therein and held thereby is bent into a shape having an L-shaped cross sectional configuration, the front and back leg portions of the vertical part of said L-shaped frame together with said sheet therebetween having said concave depressions therein.
4. The combination as claimed in claim 1 in which the upper portion of the center leg portion is bent horizontally and outwardly to form an abutment means for a clamping means for tightly fixing the combination to the musical instrument.
5. The combination as claimed in claim 1 in which said depressions are spherical.
6. The combination as claimed in claim 1 in which said depressions are circumferentially extending concave grooves.
7. The combination as claimed in claim 1 in which said peripheral frame and the sheet inserted tightly therein and held thereby has the closed end of the U-shaped portion extending back up along the downwardly extending upper portion of said U-shaped portion and lying tightly against said upper portion.
References Cited UNITED STATES PATENTS 4/1961 Ludwig 84-411 4/1962 La Londe 84-411
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP9940266 | 1966-10-28 |
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US3405586A true US3405586A (en) | 1968-10-15 |
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Application Number | Title | Priority Date | Filing Date |
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US695811A Expired - Lifetime US3405586A (en) | 1966-10-28 | 1967-10-25 | Mounting means for mounting a sheet on a musical instrument |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3492904A (en) * | 1968-07-01 | 1970-02-03 | Yoshiyuki Koishikawa | Apparatus for mounting a sheet forming part of a musical instrument |
US3647931A (en) * | 1970-11-16 | 1972-03-07 | Yoshiyuki Koishikawa | Drumhead |
US4356756A (en) * | 1981-04-03 | 1982-11-02 | Remo, Inc. | Method of forming a non-tunable head |
US4416181A (en) * | 1981-04-03 | 1983-11-22 | Remo, Inc. | Pretuned head for drum or the like |
US4469001A (en) * | 1980-04-03 | 1984-09-04 | Remo, Inc. | Method of forming a non-tunable head |
US20050022648A1 (en) * | 2003-07-28 | 2005-02-03 | Remo Inc. | Tunable drumhead |
US9396712B1 (en) * | 2014-10-23 | 2016-07-19 | Ronn Dunnett | Multi layer drumhead with non-concentric inner layer |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2979981A (en) * | 1960-07-25 | 1961-04-18 | Ludwig Drum Co | Drumhead construction |
US3029679A (en) * | 1957-12-05 | 1962-04-17 | Londe Fred J La | Drums |
-
1967
- 1967-10-25 US US695811A patent/US3405586A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3029679A (en) * | 1957-12-05 | 1962-04-17 | Londe Fred J La | Drums |
US2979981A (en) * | 1960-07-25 | 1961-04-18 | Ludwig Drum Co | Drumhead construction |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3492904A (en) * | 1968-07-01 | 1970-02-03 | Yoshiyuki Koishikawa | Apparatus for mounting a sheet forming part of a musical instrument |
US3647931A (en) * | 1970-11-16 | 1972-03-07 | Yoshiyuki Koishikawa | Drumhead |
US4469001A (en) * | 1980-04-03 | 1984-09-04 | Remo, Inc. | Method of forming a non-tunable head |
US4356756A (en) * | 1981-04-03 | 1982-11-02 | Remo, Inc. | Method of forming a non-tunable head |
US4416181A (en) * | 1981-04-03 | 1983-11-22 | Remo, Inc. | Pretuned head for drum or the like |
US20050022648A1 (en) * | 2003-07-28 | 2005-02-03 | Remo Inc. | Tunable drumhead |
US7074994B2 (en) * | 2003-07-28 | 2006-07-11 | Remo, Inc. | Tunable drumhead |
US9396712B1 (en) * | 2014-10-23 | 2016-07-19 | Ronn Dunnett | Multi layer drumhead with non-concentric inner layer |
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