US787268A - Back for pianos or other instruments. - Google Patents

Back for pianos or other instruments. Download PDF

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Publication number
US787268A
US787268A US22786504A US1904227865A US787268A US 787268 A US787268 A US 787268A US 22786504 A US22786504 A US 22786504A US 1904227865 A US1904227865 A US 1904227865A US 787268 A US787268 A US 787268A
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United States
Prior art keywords
sounding
pianos
instruments
board
posts
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US22786504A
Inventor
Julius Breckwoldt
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Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to US22786504A priority Critical patent/US787268A/en
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/06—Resonating means, e.g. soundboards or resonant strings; Fastenings thereof

Definitions

  • This invention relates to a back for pianos and the like, and by means of this invention a free emission of sound or liberation of tone is attained with powerful effect and brilliancy.
  • Figure 1 is a face view of a back embodying this invention.
  • Fig. 2 is a section along a: m
  • Fig. 3 is a section along y 3
  • Fig. 4 is a section along 2 .2, Fig. 1.
  • This piano-back is shown comprising hollow posts a. These hollow posts are used for stanchions.
  • the back is paneled orhas sounding-boards or sections 6 in each space between the posts.
  • the main sounding board or sounding-board proper over which the strings are stretched and which reinforces their vibration, is glued onto the back or lining of the back. From said hollow posts and from the confined space resulting when the sounding-board is glued into place the tone is found to be liberated with powerful effect and brilliancy.
  • the sections 7) between the posts are shown barred or ribbed, as at Z).
  • the sounding-board is shown at c. It can also be noted that by putting sounding-boards between the stanchions the regular sounding-board will be protected from dampness or atmospheric influence, at any rate to a large extent.
  • a piano-back comprising hollow posts. having their perforations extended entirely therethrough and communicating at each end with the outer atmosphere.
  • a back for pianos and other instruments comprising stanchions having perforations extended entirely therethrough and communicating with the outer air, sounding-boards between the stanchions, and a regular sounding-board, substantially as described.
  • a piano-back comprising hollow posts regularly spaced apart, and having the openings thereof terminally communicating with the outer air, and sounding-board sections closing the spaces between the posts and provided with longitudinal ribs.
  • a piano-back comprising hollow posts regularly spaced apart, and having the openings thereof terminally communicating with the outer air, sounding-board sections, and a main sounding-board secured to the rear side of the back.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Special Chairs (AREA)

Description

PATBNTED APR. 11, 1905.
J. BREOKWOLDT.
BACK FOR PIANOS OR OTHER INSTRUMENTS.
APPLICATION FILED OUT. 10,1904.
II..."llll'lllllllllI-Ill'lll INVENTOR fizz'usfireclwozil- WITNESSES:
WWW MW ATTORN EY UNITE V STATES Patented April 1 1, 1905.
PATENT OFFICE.
BACK FOR PIANOS OR OTHER INSTRUMENTS.
SPECIFICATION forming part of Letters Patent No. 787,268, dated April 11, 1905.
Application filed October 10, 1904- Serial No. 227,865.
To (ti/Z whom it nuty-omwern:
Be it known that I, J ULIUs BREOKWOLDT, a citizen of the United States, residing at Dolgeville, in the county of Herkimer and State of New York, have invented new and useful Im-- provements in Backs for Pianos or other Instruments, of which the following is a specification.
This invention relates to a back for pianos and the like, and by means of this invention a free emission of sound or liberation of tone is attained with powerful effect and brilliancy.
This invention is set forth in the following specification and claims and illustrated in the annexed drawings, in which Figure 1 is a face view of a back embodying this invention. Fig. 2 is a section along a: m, Fig. 1. Fig. 3 is a section along y 3 Fig. 1. Fig. 4 is a section along 2 .2, Fig. 1.
This piano-back is shown comprising hollow posts a. These hollow posts are used for stanchions. The back is paneled orhas sounding-boards or sections 6 in each space between the posts. The main sounding board or sounding-board proper,over which the strings are stretched and which reinforces their vibration, is glued onto the back or lining of the back. From said hollow posts and from the confined space resulting when the sounding-board is glued into place the tone is found to be liberated with powerful effect and brilliancy. The sections 7) between the posts are shown barred or ribbed, as at Z). The sounding-board is shown at c. It can also be noted that by putting sounding-boards between the stanchions the regular sounding-board will be protected from dampness or atmospheric influence, at any rate to a large extent.
hat I claim as my invention, and desire to secure by Letters Patent, is
1. A piano-back comprising hollow posts. having their perforations extended entirely therethrough and communicating at each end with the outer atmosphere.
2. A back for pianos and other instruments, comprising stanchions having perforations extended entirely therethrough and communicating with the outer air, sounding-boards between the stanchions, and a regular sounding-board, substantially as described.
A piano-back comprising hollow posts regularly spaced apart, and having the openings thereof terminally communicating with the outer air, and sounding-board sections closing the spaces between the posts and provided with longitudinal ribs.
L. A piano-back comprising hollow posts regularly spaced apart, and having the openings thereof terminally communicating with the outer air, sounding-board sections, and a main sounding-board secured to the rear side of the back.
In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.
JULIUS BREGKWVOLDT.
W'itnesses:
HERMANN GIEsE, FRED JoHNsoN.
US22786504A 1904-10-10 1904-10-10 Back for pianos or other instruments. Expired - Lifetime US787268A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US22786504A US787268A (en) 1904-10-10 1904-10-10 Back for pianos or other instruments.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22786504A US787268A (en) 1904-10-10 1904-10-10 Back for pianos or other instruments.

Publications (1)

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US787268A true US787268A (en) 1905-04-11

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Family Applications (1)

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US22786504A Expired - Lifetime US787268A (en) 1904-10-10 1904-10-10 Back for pianos or other instruments.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016160541A1 (en) 2015-03-27 2016-10-06 3M Innovative Properties Company Fibrin composition, method and wound articles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016160541A1 (en) 2015-03-27 2016-10-06 3M Innovative Properties Company Fibrin composition, method and wound articles

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