US6889A - Sounding-board eor pianofortes - Google Patents

Sounding-board eor pianofortes Download PDF

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US6889A
US6889A US6889DA US6889A US 6889 A US6889 A US 6889A US 6889D A US6889D A US 6889DA US 6889 A US6889 A US 6889A
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sounding
board
pianofortes
eor
piano
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10CPIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00Details or accessories
    • G10C3/06Resonating means, e.g. soundboards or resonant strings; Fastenings thereof

Description

UNITED STATES PATENT OFFICE.
RICHARD SWAN, JR., OF NEW BEDFORD, MASSACHUSETTS.
SOUNDING-BOARD FOR PIANOFORTES.
Specification of Letters Patent No. 6,889, dated November 20, 1849.
To all whom 'it 'may concern:
Be it known that I, RICHARD SWAN, J r., of New Bedford, in the county of Bristol and State of Massachusetts, have invented a new and important Improvement to the Pianoforte; and I do hereby declare the following to be a full, clear, and exact description thereof, reference being had to the ac companying drawings, making a part of this specica-tion.
The nature of my invention consists in the attachment of a sounding case to the under side of the soundingboard of a piano, and the making a suitable number of openings in the sounding board for the escape of the sound from the case, for the purpose of adding power and sweetness to the tone of the instrument.
In the accompanying drawings Figure 1 is a perspective view of a piano, and Figs. 2 and 3 are vertical sectional views of the same.
Similar letters indicate like parts in all the figures.
A, is the sounding board; B, is the sounding casesecured to the lower side of A; and c, c, are the openings in the sounding board for the escape of sound.
The sounding board is constructed, and is secured in its place in a piano, in the usual manner.
There must be a space left between the sides and bottom of the sounding case, and the sides and bottom of the piano, for the purpose of allowing the sounding case to vibrate freely.
A suitable number of sounding posts may be placed in the sounding case.
I am aware that two sounding boards have been framed together and coniined to the framework of a piano; I do not therefore claim to be the inventor of a double sounding board; but
What I do claim as my rinvention and desire to secure by Letters Patent, is*- The combination of a sounding case with the ordinary sounding board of a piano, (suitably perforated with sound openings,) substantially in the manner and or the purpose herein set forth.
RICHARD swAN, JR.
Vitnesses JAMES D. THoMPsoN, JOSEPH C. KENT.
US6889D Sounding-board eor pianofortes Expired - Lifetime US6889A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100186445A1 (en) * 2007-08-24 2010-07-29 Moses Minta Natural Gas Liquefaction Process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100186445A1 (en) * 2007-08-24 2010-07-29 Moses Minta Natural Gas Liquefaction Process

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