US1425318A - Mute for musical instruments - Google Patents

Mute for musical instruments Download PDF

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Publication number
US1425318A
US1425318A US46954821A US1425318A US 1425318 A US1425318 A US 1425318A US 46954821 A US46954821 A US 46954821A US 1425318 A US1425318 A US 1425318A
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Prior art keywords
mute
bell
end
closure
musical instruments
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Expired - Lifetime
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Ernst A Couturier
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Ernst A Couturier
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10DSTRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D9/00Details of, or accessories for, wind musical instruments
    • G10D9/06Mutes

Description

E. A. COUTURIER.

MUTE FOR MUSICAL INSTRUMENTS.

APPLICATION FILED MAY I4, I92I- Patented Aug. 8, 1922.

ERNST A. oon'rnnrnn, or LAiORTE, INDIANA.

MUTE FOE MUSICAL INSTRUMENTS.

Specification or" Letters ?atent. Fatnted Aug, 8, 1922 Application filed May .14, 1921. Serial No. 469,548.

To all whom it may concern Belt known that I, Iilnnsr A. Couruninn,

a citizen of the United States, residing at Laporte, in the county of Laporte and State of Indiana, have invented certain new and useful Improvements in Mutes for Musical Instruments, of whichthe following is a specification. I

My inventionrelatcs to mutes and has for its primary object the provision of an improved mute by the use of which a musical instrument may be caused to produce its normal tones in miniature while retaining the perfect intonation and normal quality of the tones.

Other objects and advantages of the in vention will appear from the following clescription, taken in conjunction with the accompanying drawings which form a part of this specification and illustrate the preferred embodiment of the invention.

In the drawings:

Fig. 1 is a central longitudinal section of the bell of a musical instrument and of my invention operatively positioned thereon.

Fig. 2 is a side elevation of the present invention and Fig. 3 is a front or outer end elevation thereof.

Reference numeral 10 indicates the continuously and gradually enlarging bell of a musical instrument, such, for example, as a cornet or trumpet. The mute forming the present invention, generally indicated at 11, is adapted to be removably secured within such abell, but out of contact therewith, by means of a frusto-conical annulus 12, of soft rubber, or the like, which tightly embraces the mute near its inner end and is wedged into the tapering bore of the bell.

My mute comprises a body portion 18 which is itself a bell-shaped tube substantially conforming in contain;- to the bell 10, but of smaller size in order that it may be readily mounted in the bell. The outer, larger diameter end of the tubular body portion 13 is capped by a hemispherical end closure 14 having its convexity outwardly exposed. The center of closure 1 1 is formed into a frusto-conical, ire-entrant, sound delivery tube 15 which is greatest in diameter at its outerend and diminishes toward its inner end. This sound delivery tube and the end closure 14: are coaxial with the body portion 13 and also with bell 10 when the mute is in use. into the mute preferably to the transverse strument whose bell, at its Tube 15 extends inwardly plane definedby the junctureof body 13 and closure 14:. I I

The annulus tightly embraces the in-' ner, small (llfiIIlBilGI' end 16 of the mute, and

is made of'resilient material, not only that the mute may be wedged into position in hell 10, but also to leave the major portion of themute out of contact with the bell 10 and thus free to respond to the sound vibrations of the musical instrument and undisturbed by any influence which might act to impair the intonation ofthe tones produced or alter their quality. The material ofannulus 12 being imperforate, it is obvious that the entire volume of sound normally produced in bell'10 must enter the mute. The latter absorbs a large part of this volume of sound, permitting the delivery from the outer end of tube 15 of only that volume ordinarily to be expected from a musical in outer end, substantially equalled in diameter the large, outer end of tube 15. It is believed also that the co-axial relation of bell 10, body 13, closure 14; and tube 15 is influential in retaining in the mutes miniature tones the normal intonation and tone quality of the instrument embodying bell 10. i

In the operation of my invention, the innor, small diameter end 16 is inserted in the bell 10 of a musical instrument and annulus 12 so wedged within the bell as to hold the mute co-axial therein and out of contact with. the bell. The instrument embodying bell 10 is now played in the usual manner, the whole volume of sound produced entering mute 11, where, as above described, a large portion of it is absorbedand the remainder delivered from tube 15 unaltered in intonation and quality.

I claim: i

1. In amute, the combination with a bellshaped tubular body portion, of an outwardly convened hemispherical closure for the larger end thereof, and a re-entrant sound delivery tube intersecting the center of said closure and tapering inwardly therefrom, the inner end of said tube terminating in the plane of the maximum diameter of said body portion.

2. In a mute, the combination with a bellshaped tubular body portion, of an outwardly convexed hemispherical closure for the larger end thereof, and a re-entrant inwardly tapering sound delivery tube centrally intersecting said closure, equal in so i lid

length to a radius of the closure, and coaxial with said body portion.

3. A mute, comprising a bell shaped body adapted :lor insertion in the mouth oil? it wind instrument, tin outward] y convex closure for the lure'er end of said body, end an outwurdly tapered sound delivery tube extending inwardly from and centrally 0t said closure and terminating at its inner end within said body and remote from the smaller end thereof.

i. A mute of substantially bell shape having a convex outer end wall centrally equipped with an outwardly tzipereu sound delivery tube projecting inwardly from said ERNST A. UOUlTUl-lllillfi.

US1425318A 1921-05-14 1921-05-14 Mute for musical instruments Expired - Lifetime US1425318A (en)

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US1425318A US1425318A (en) 1921-05-14 1921-05-14 Mute for musical instruments

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Application Number Priority Date Filing Date Title
US1425318A US1425318A (en) 1921-05-14 1921-05-14 Mute for musical instruments

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US1425318A true US1425318A (en) 1922-08-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191481A (en) * 1963-05-20 1965-06-29 Miller Mel Reed wind instrument
EP0712112A2 (en) * 1994-11-14 1996-05-15 Yamaha Corporation Mute attached to brass instrument without change of pitch of sound
US20070102232A1 (en) * 2005-11-10 2007-05-10 Geddes Earl R Waveguide phase plug

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191481A (en) * 1963-05-20 1965-06-29 Miller Mel Reed wind instrument
EP0712112A2 (en) * 1994-11-14 1996-05-15 Yamaha Corporation Mute attached to brass instrument without change of pitch of sound
EP0712112A3 (en) * 1994-11-14 1998-12-09 Yamaha Corporation Mute attached to brass instrument without change of pitch of sound
US5973246A (en) * 1994-11-14 1999-10-26 Yamaha Corporation Mute attached to brass instrument without change of pitch of sound
US20070102232A1 (en) * 2005-11-10 2007-05-10 Geddes Earl R Waveguide phase plug
US7708112B2 (en) * 2005-11-10 2010-05-04 Earl Russell Geddes Waveguide phase plug

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