US138725A - Improvement in sounding-board bridges for musical instruments - Google Patents
Improvement in sounding-board bridges for musical instruments Download PDFInfo
- Publication number
- US138725A US138725A US138725DA US138725A US 138725 A US138725 A US 138725A US 138725D A US138725D A US 138725DA US 138725 A US138725 A US 138725A
- Authority
- US
- United States
- Prior art keywords
- sounding
- board
- musical instruments
- improvement
- bridge
- Prior art date
- 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
Links
- 239000002184 metal Substances 0.000 description 22
- 238000004642 transportation engineering Methods 0.000 description 4
- 240000002027 Ficus elastica Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D13/00—Percussion musical instruments; Details or accessories therefor
- G10D13/01—General design of percussion musical instruments
- G10D13/08—Multi-toned musical instruments with sonorous bars, blocks, forks, gongs, plates, rods or teeth
Definitions
- My invention relates to improvements on the patent granted to me January 14,1873; and consists in an improved mode of attaching the metal bridge containing the soundinghooks to the sounding-board of musical instruments, in such a manner that the said metal bridge is only attached to the soundingboard by one of its ends and allowed to swing or vibrate freely at its extreme outer end, for the purpose of producing a more soft, durable, and agreeable sound than could be obtained when the said metal bridge was firmly attached for its entire length to the soundingboard.
- Figure 1 represents a front view of my invention.
- Fig. 2 represents an end view, seen from the left of Fig. 1.
- Fig. 3 represents a cross-section over the line A B on Fig. 1 and
- Fig. 4 represents a cross-section over the line 0 D, also shown on Fig. 1.
- a is the sounding-board of a musical instrument
- b is the metal bridge, to which the sounding-hooks c c are attached, as shown.
- the metal bridge bis ciirvcd downward at the left end, as shown in Fig. 1 at d, where it is attached to the sounding-board a by means of the screws 0 e e, or their equivalents.
- the extreme right end f of the bridge bis however allowed to vibrate freely, and the bridge is not attached to the sounding-board at any other place except at d,'as shown.
- This guide g is not intended to secure the end f of the metal bridge to the sounding-board a, but simply for the purpose of preventing the bridge from too much vibration in case the instrument is rudely shaken during transportation or otherwise.
- the elastic lining h allows the metal bridge to vibrate sufficiently without giving it entire freedom to oscillate during transportation.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Stringed Musical Instruments (AREA)
Description
G. WOODS. Sounding-Board Bridge for MWSIOHI instruments.
N0.138,725. I PatentedMay6J873.
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I. d/ I 6 1 a e, L a
1 l w I I UNITED STATES PATENT OFFICE.
GEORGE WOODS, OF OAMBRIDGEPORT, MASSACHUSETTS.
IMPROVEMENT IN SOUNDING-BOARD BRIDGES FOR MUSICAL INSTRUMENTS.
Specification forming part of Letters Patent No. 138,725, dated May 6, 1873 application filed March 27, 1873.
To all whom it may concern:
Be it known that I, GEORGE Woons, of Oambridgeport, in the county of Middlesex and State of Massachusetts, have invented certain new and useful Improvements in Musical Instruments; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use it, reference being had to the accompanying drawing which forms part of this specification.
My invention relates to improvements on the patent granted to me January 14,1873; and consists in an improved mode of attaching the metal bridge containing the soundinghooks to the sounding-board of musical instruments, in such a manner that the said metal bridge is only attached to the soundingboard by one of its ends and allowed to swing or vibrate freely at its extreme outer end, for the purpose of producing a more soft, durable, and agreeable sound than could be obtained when the said metal bridge was firmly attached for its entire length to the soundingboard.
On the drawing, Figure 1 represents a front view of my invention. Fig. 2 represents an end view, seen from the left of Fig. 1. Fig. 3 represents a cross-section over the line A B on Fig. 1 and Fig. 4 represents a cross-section over the line 0 D, also shown on Fig. 1.
Similar letters refer to similar parts wherever they occur on the diflerent parts of the drawing.
a is the sounding-board of a musical instrument, and b is the metal bridge, to which the sounding-hooks c c are attached, as shown. The metal bridge bis ciirvcd downward at the left end, as shown in Fig. 1 at d, where it is attached to the sounding-board a by means of the screws 0 e e, or their equivalents. The extreme right end f of the bridge bis however allowed to vibrate freely, and the bridge is not attached to the sounding-board at any other place except at d,'as shown. I place the low-toned sounding-hooks c nearest to the end d, where the bridge is secured, and I place the high-toned hooks nearest to the extreme end f, where the greatest vibration takes place. By so doing I find that I am able to obtain softer and more durable tones, and more perfect and even scale of notes than if I attached the bridge all over firmly to the sounding-board. But as musical instruments have to be transported often from one place to another, I attach a guide, g, to the sounding-board a, as shown in Figs. 1 and 4. The said guide g is provided with a perforation lined with India rubber or other elastic material lt, that is slipped over the extreme end f of the metal bridge b. This guide g is not intended to secure the end f of the metal bridge to the sounding-board a, but simply for the purpose of preventing the bridge from too much vibration in case the instrument is rudely shaken during transportation or otherwise. The elastic lining h allows the metal bridge to vibrate sufficiently without giving it entire freedom to oscillate during transportation.
Formerly I had the metal bridge firmly secured to the sounding-board for its entire length; but as I found that it was very diflicult if not impossible to obtain soft and even tones in this manner, I abandoned such an arrangement and allowed the metal bridge to vibrate at the end where 'the highest notes are obtained, as herein fully shown and described.
Having thus fully described the nature, construction, and operation of my invention, I wish to secure by Letters Patent, and claim- A metal bridge for musical instruments, attached by one end only to the sounding-board, or its'equivalent, and allowed to vibrate freely at its other end, for the purpose and in the manner herein shown and described.
In testimony that I claim the foregoing I have hereunto set my hand this 22d day of March, 1873.
GEORGE WOODS. Witnesses:
ALBAN ANDRnN, JOHN It. HEARD.
Publications (1)
Publication Number | Publication Date |
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US138725A true US138725A (en) | 1873-05-06 |
Family
ID=2208139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US138725D Expired - Lifetime US138725A (en) | Improvement in sounding-board bridges for musical instruments |
Country Status (1)
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US (1) | US138725A (en) |
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- US US138725D patent/US138725A/en not_active Expired - Lifetime
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