US1634669A

US1634669A - Sound board for pianos

Info

Publication number: US1634669A
Application number: US591619A
Authority: US
Inventors: George H Jones
Original assignee: Individual
Current assignee: Individual
Priority date: 1922-09-30
Filing date: 1922-09-30
Publication date: 1927-07-05
Anticipated expiration: 1944-07-05

Description

July 5,1921. 1,634,669

G. HyJONES soUND BOARD FOR PIANos Filed sept. 30. 1922 wenn 1.5.1921 N 1,634,669

UNITED STATES PATENT` OFFICE.

GEORGE H. JONES, OF OREGON, ILLINOIS.

SOUND BOARD FOR PIANOS. v

` Application led September 30, 1922. Serial No. 591,619.

My invention relates to improvements in interior thereof in open con'iinuuication with sound boards for pianos yand has kfor its the bore or' the corresponding tube 13. object the provision ot' an improved piano By this arrangement the tone or quality ot' 55 construction by means ot' which the tone or the tone of the piano Will be greatly amplithe quality of the tone thereof is greatly lied and rendered resonant and thus 'greatly improved and the vresonance thereof inimproved in quality and musical eli'ect. creased. Vhile I have illustrated and described Other objects Will appear hereinafter. the preferred 'forni of construction for car- 60 The invention consists in the combinarying` my invention into effect, this is cations and arrangements ot' parts hereinafter pable ol' variation and modification Without described and claimed. departing from the spirit of the invention. The invention will be best understood by I, therefore, do not Wish to be limited to the reference to the accompanying drawings precise details or' construction set forth, buter) forming a part of this specification,y and in desire to avail inyselif of such variations and which, modilications as come Within the scope of F ig. l, is a rea-r view of a piano embodythe appended claims. ing the invention, and Having described niy invention, what l F ig. 2, -is a. partial section taken on line claim as nen7 and desire to secure by Letters 70 2 2 of Fig. l. Patent is:

` The preferred form of construction as l. The combination with an upright piano illustrated in the drawings comprises an having a sound board and a vertical post ordinary upright piano body or casing 3, traversing the back thereof adjacent the back with the usual sound board 4 and having of the sound board, of a hollow sound body 75 the usual treble bridge 5 and bass bridge Wider than and forming part oi said post;

o 6, mounted thoroon in tho usual way to Supand a sound tube secured to and having one port the strings thereof in the usual Way. end closed by said sound board, the other end The sound board 4 is provided with the usual Ot' Said tube being secured to and opening ribs 7 on its back and theusual vertical into said Sound body, substantially as de so posts 8 and 9 provided at the rear thereotl scribed. 80 as shown. So much of the construction is 2. The combination with a piano having old andwell known and a usual one for the' 21 Sound beard, of a hollow sound body purpose and Constitutes n0 part 0f my preg- HlOlnGd adjaCeDt Sald bOLld; and il. Sound ent invention excepting so faias the saine tube having one end secured to and closed 85 is combined and cooperates With the'novel by Stud Sound board, the other end being features of consti-notion to bo presently dosecured to and opening into the said sound scribed. body, substantially as described.

In place of the usual vertical posts at the The combination with an upright piano rear 0f the piano Iy provide two Speoially having' a Sound board, a treble bridge and 90 constructed posts l() and l1, each consisting a vertical post incorporated into the back 40 ofa solid post having incorporated therein thereof, said post being solid through the and made a part thereof, ra hollow violin major portion. of its length but having a body 12 of Wood, ,asfshown Each violin hollow sound body Wider than and forming body 12 is connected with the adjacent sound a part or said post; o'l: a sound tube having 05 board 4 by means of af Wooden tube or am a divergent bore secured at the smaller end plifying horn 13,y each tube 13 being secured 0l1 its bore to said sound board opposite said to and closed by the sound board opposite treble bridge, the sound board closing the tho treble bridge 5 and being also secured to end of the tube7 the other end of. said tube and opening into the corresponding violin being secured to and opening into said sound 100 body 12. Each tube is provided with a bore bOCly, Substantially as described.

14diverging from thesound board 4 to the 111 QSL'III'lOlly Wilt/T991: l have Signed my corresponding violin body l2 and an opening Dam@ t0 this SPQClCfltl-On- 15 is provided in the body 12 to place the GEORGE H. JONES.