US1079711A - Piano. - Google Patents

Piano. Download PDF

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Publication number
US1079711A
US1079711A US73200812A US1912732008A US1079711A US 1079711 A US1079711 A US 1079711A US 73200812 A US73200812 A US 73200812A US 1912732008 A US1912732008 A US 1912732008A US 1079711 A US1079711 A US 1079711A
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United States
Prior art keywords
strings
sounding board
frame
treble
piano
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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
Application number
US73200812A
Inventor
Harold Mather
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Individual
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Individual
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Priority to US73200812A priority Critical patent/US1079711A/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
    • G10C3/04—Frames; Bridges; Bars

Definitions

  • This invention relates to sounding boards for pianos and one of the principal objects of the invention is to provide simple and efiicient means for extending the area of the sounding board immediately under the treble strings, in order to prolong the tone and to give greater duration to the short strings.
  • Another object of the invention is to provide means for prolonging the tones of the short strings without increasing the area of the entire sounding board, by cutting away a portion of the frame under the treble strings to insure free vibration of the sounding board under the short strings.
  • Still another object of the invention is to increase the efliciency of the sounding board without adding materially to the expense of manufacture.
  • Figure 1 is a front elevation of a sounding board and frame made in accordance with my invention.
  • Fig. 2 is a view in eleration of the frame with the sounding board and string plate removed.
  • Fig. 8 is a front elevation of the frame and sounding board, with the string plate removed.
  • Fig. 4, is a view in elevation of the string plate, showing the pin block for the treble strings secured thereto.
  • Fig. 5 is a sectional view taken on the line 55 of Fig. 1.
  • the numeral 1 designates the frame provided with the strengthening posts 2 on the rear side thereof.
  • the top bar 3 of the frame is cut away on the treble side from the shoulder 4 to the outer end 5 in an inclined line 6; the bar 8 provided with a rabbet or ledge 7, which is offset from the posts 2 and the portion 8 of the frame bar which lies flush therewith.
  • the pin block is made in two sections.
  • the section 9 for the bass strings is secured to the bar 3, while the section 10 for the treble strings is secured to the underside of the string plate 11, as shown in Fig. 1.
  • the sounding board 12 is of the usual construction for upright pianos and is provided with a bridge 13 for the strings.
  • the sounding board 12 is extended under the treble strings owing to the cut away portion of the bar 3, which insures a free vibration at the point where the strings are shortest, to give greater duration to the treble strings.
  • An upright piano comprising a frame, a sounding board connected to said frame, the latter having the top bar cut-away throughout the treble portion, a pin block formed in two sections, the section for the bass strings being secured to said cut-away bar, a metal string-platehaving the treble section of the pin block secured thereto, and said sounding board extending throughout the cut-away portion of said bar.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Display Devices Of Pinball Game Machines (AREA)

Description

H. MATHER.
PIANO.
APPLICATION FILED NOV. 18, 1912.
1,079,71 1, Patented Nov. 25, 1913.-
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H. MATHBR.
PIANO. AIPPLIGATION FILED NOV.18, 1912. 1 1,079,71 1 Patented Nov. 25, 1913.
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UNITED STATES PATENT OFFICE.
HAROLD MATHER, OF FOXCBOFT, MAINE.
PIANO.
To all whom it may concern:
Be it known that I, HAROLD MATHER, a subject of the King of Great Britain, residing at Foxcroft, in the county of Piscatquisand State of Maine, have invented certain new and useful Improvements in Pianos, of which the following is a specification.
This invention relates to sounding boards for pianos and one of the principal objects of the invention is to provide simple and efiicient means for extending the area of the sounding board immediately under the treble strings, in order to prolong the tone and to give greater duration to the short strings.
Another object of the invention is to provide means for prolonging the tones of the short strings without increasing the area of the entire sounding board, by cutting away a portion of the frame under the treble strings to insure free vibration of the sounding board under the short strings.
Still another object of the invention is to increase the efliciency of the sounding board without adding materially to the expense of manufacture.
These and other objects may be attained by means of the construction illustrated in the accompanying drawings in which:
Figure 1 is a front elevation of a sounding board and frame made in accordance with my invention. Fig. 2 is a view in eleration of the frame with the sounding board and string plate removed. Fig. 8, is a front elevation of the frame and sounding board, with the string plate removed. Fig. 4, is a view in elevation of the string plate, showing the pin block for the treble strings secured thereto. Fig. 5 is a sectional view taken on the line 55 of Fig. 1.
Specification of Letters Patent.
Application filed November 18, 1912.
Patented N 0V. 25, 1913.
Serial No. 732,008.
Referring to the drawings the numeral 1 designates the frame provided with the strengthening posts 2 on the rear side thereof. The top bar 3 of the frame is cut away on the treble side from the shoulder 4 to the outer end 5 in an inclined line 6; the bar 8 provided with a rabbet or ledge 7, which is offset from the posts 2 and the portion 8 of the frame bar which lies flush therewith. The pin block is made in two sections. The section 9 for the bass strings is secured to the bar 3, while the section 10 for the treble strings is secured to the underside of the string plate 11, as shown in Fig. 1. The sounding board 12 is of the usual construction for upright pianos and is provided with a bridge 13 for the strings.
From the foregoing it will be obvious that the sounding board 12 is extended under the treble strings owing to the cut away portion of the bar 3, which insures a free vibration at the point where the strings are shortest, to give greater duration to the treble strings.
I claim:
An upright piano comprising a frame, a sounding board connected to said frame, the latter having the top bar cut-away throughout the treble portion, a pin block formed in two sections, the section for the bass strings being secured to said cut-away bar, a metal string-platehaving the treble section of the pin block secured thereto, and said sounding board extending throughout the cut-away portion of said bar.
In testimony whereof I have afliXed my signature in presence of two witnesses.
HAROLD MATHER.
Witnesses:
JOHN F. SPRAGUE, EDGAR C. SMITH.
Copies of this patent may be obtained for flve cents each, by addressing the Commissioner of Patents,
Washington, D. C.
US73200812A 1912-11-18 1912-11-18 Piano. Expired - Lifetime US1079711A (en)

Priority Applications (1)

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US73200812A US1079711A (en) 1912-11-18 1912-11-18 Piano.

Applications Claiming Priority (1)

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US73200812A US1079711A (en) 1912-11-18 1912-11-18 Piano.

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US1079711A true US1079711A (en) 1913-11-25

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US73200812A Expired - Lifetime US1079711A (en) 1912-11-18 1912-11-18 Piano.

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