US1729336A - Attachment for musical instruments - Google Patents

Attachment for musical instruments Download PDF

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Publication number
US1729336A
US1729336A US188235A US18823527A US1729336A US 1729336 A US1729336 A US 1729336A US 188235 A US188235 A US 188235A US 18823527 A US18823527 A US 18823527A US 1729336 A US1729336 A US 1729336A
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United States
Prior art keywords
bore
instrument
bell
pitch
attachment
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Expired - Lifetime
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US188235A
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John P France
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John P France
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Priority to US188235A priority Critical patent/US1729336A/en
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10DSTRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D7/00General design of wind musical instruments
    • G10D7/10Lip-reed wind instruments, i.e. using the vibration of the musician's lips, e.g. cornets, trumpets, trombones or French horns
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10DSTRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D9/00Details of, or accessories for, wind musical instruments
    • G10D9/04Valves; Valve controls
    • G10D9/053Valves; Valve controls with continuous change of tonal pitch
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10DSTRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D9/00Details of, or accessories for, wind musical instruments
    • G10D9/10Resonating bodies, e.g. tubes
    • G10D9/11Bells

Description

Sept. 24, 1929. J P, FRANCE 1,729,336
ATTACHMENT FOR MUSICAL INSTRUMENTS Filed May 2, 192'! IN I 'EN TOR. n) P Fram e Y MW .tlil'l' @FFICE JOHN P. FRANCE, OF COLUEZ US, OHIO UNETE STATE.
, ATTACHMENT FOR MUSICAL INsTnUMnnTs i Application filed May a, 1927. Serial No. 188,235.
This invention relates to attachments for vice are not material, as they must be changed anusieal instruments and more particularly to to suit the bore and length of various instrudevices for changing the pitch of brass instruments. Change in the size of the bore ment -3+l affects the pitch more than any other 5 The object of the invention is to pro-ride a one factor, and the device can be readily addevice which may be slipped into the bell justed to particular instrument by enlarging an ordinary brass instrument, such a corthis bore to the proper size for that instrunet, to change the pitch of the instrument for ment. xample from B flat to C, The hell 5 opens directly from the bore Another object of the invention to proat r and "functions in relation to this bore 00 vide such an attachment which. will change in exactly the same manner as the usual bell the pitch of the instrument without requiring of the instrument does in relation to the usual any change in the position of the tuning-slides bore. This wall may be made in any usual of the valves of the instrument. form so long as it does not become unsightly Other and more particular objects of the or cumbersome. 65 invention will hereinafter appear. The taper 2 performs two functions, it
The drawing illustrates the device, in secserves to concentrate the sound into the bore tion, as fitted in the bell of a cornet or simiat 8 and at the same time it prevents the lar instrument. formation of a node at the rear of the device.
The ordinary pitch-changing devices, usu- Having thus described my invention, what 0 ally consisting of adjustable or interchange- I claim is able slides which change the length of the 1. Means for raising the pitch of a wind pipe, require that every Valve of the instrumusical instrument having an outwardly ment be tuned as well as that the fundamental flared. bell, consisting of a member shaped of the instrument be changed. to lit within the bore of said instrument at 7 In my device, in contrast, I make use ot the bell, said member having a narrow, the well-known phenomenon that an appreci tapered bore and the inner end of said memable decrease in the diameter of a pipe causes her having a recess tapered toward said bore. a change in pitch, to avoid the above di'lli- 2. Means for raising the pitch of a wind culty. This effect is now made use of particumusical instrument having an outwardly larly in piccolos, where the bOl is constricted flared. bell, consisting of a member shaped to toward the outer end in 0rd r that it may be lit wi hin the bore of said instrument at the made sufficiently long to provide room for bell, said member having a relatively small the keys and at the same time be of the proper bore increasing in size toward the outer end 35 pitch. By the use of a corresponding conand the inner end of said member having a striction at the bell of a brass instrument, 1 recess tapered toward said bore. find that the pitch of the instrun'ient can be 3. Means for raising the pitch oil a wind raised, for example, from B flat to C, and that musical instrument having an outwardly the constriction also produces a proportionflared bell, consisting oi a member shaped to 40 ate effect on the sections of the tube cut in by lit within the bore of said instrument atthe the valves, so that it is unnecessam to tune. bell, said. member having a narrow, tapered these separately. bore, bell on the outer end thereof, and the The drawing illustrates the preferred inn r end of said member having a recess taform of my device, in which 1 is a tapered pered toward said bore.
45 portion adapted to lit snugly within the bore l. Means for raising the pitch of a wind of the instrument at the bell, 2 is a tapered musical instrument having an outwardly recess leading to the restricted bore 3, flared bell, consisting of a member shaped to which in turn is increased in size toward the t within the bore of said instrument at the end 4, where it emerges intoi hell 5. bell, said n'lember having a relat vely small as The exact sites and 3ropertio of the debore line ing' in size toward tlit minim end,
a bell on the outer end thereof, and the inner end 01 said member having a recess tapered toward said bore.
In testimony whereof I have afiixed my signature.
JOHN P. FRANCE.
US188235A 1927-05-02 1927-05-02 Attachment for musical instruments Expired - Lifetime US1729336A (en)

Priority Applications (1)

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US1729336A true US1729336A (en) 1929-09-24

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178829A (en) * 1978-05-24 1979-12-18 Wolford John W Power tube for flared bell musical instruments
US4915660A (en) * 1985-10-11 1990-04-10 Overholt Sr Henry W Animal calling device having a restricted bore opening
US20040206572A1 (en) * 2001-07-23 2004-10-21 Eric Vincenot Electroacoustic public address unit with acoustic horn or waveguide
US20130255470A1 (en) * 2012-04-02 2013-10-03 Ryan Palmer Acoustical modification device for musical instruments in the brass family

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178829A (en) * 1978-05-24 1979-12-18 Wolford John W Power tube for flared bell musical instruments
US4915660A (en) * 1985-10-11 1990-04-10 Overholt Sr Henry W Animal calling device having a restricted bore opening
US20040206572A1 (en) * 2001-07-23 2004-10-21 Eric Vincenot Electroacoustic public address unit with acoustic horn or waveguide
US7178629B2 (en) * 2001-07-23 2007-02-20 Nexo Electroacoustic public address unit with acoustic horn or waveguide
US20130255470A1 (en) * 2012-04-02 2013-10-03 Ryan Palmer Acoustical modification device for musical instruments in the brass family

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