US661412A - Bass-bar of violins. - Google Patents

Bass-bar of violins. Download PDF

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Publication number
US661412A
US661412A US1647700A US1900016477A US661412A US 661412 A US661412 A US 661412A US 1647700 A US1647700 A US 1647700A US 1900016477 A US1900016477 A US 1900016477A US 661412 A US661412 A US 661412A
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Prior art keywords
bar
sounding
bass
violins
sound
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US1647700A
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Louis Loewenthal
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    • 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
    • G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
    • G10D3/02—Resonating means, horns or diaphragms

Definitions

  • This invention has reference to bass-bars or sounding-bars for augmenting the tone of bow-played string instruments, and which consist of a baror rib arranged on the sounding-board or belly inside and lengthwise ofthe instrument.
  • Such bars have hitherto been made solid; but in this invention, with the object of producing a finer and fuller tone than is obtainable with solid bars, such bars are provided with holes, in which are iiXed hollow cross pieces of any convenient cross-sectionsuch as cylindrical, triangular, &c.-thus forming a branched system which vibrates with the sound-waves.
  • FIG. 1 is a side view of the sounding-bar; Fig. 2, a top View of the same.
  • Fig. 3 is a top view of the sounding-bar, representing ⁇ a modified construction of the sounding-tubes-
  • Fig. 4c is a vertical section through a violin, representing the arrangement of the sounding-bar on the sounding-board or belly inside and lengthwise of the instrument.
  • d Fig. 4t, represents a violin, and e the sounding-board or belly of the same.
  • a is a sounding-bar attached in any convenient manner lengthwise on the inside of the sounding-board or belly e.
  • the mentioned sounding-bar is provided with a number of holes o, in which are fixed as sound-catchers hollow cross-pieces of any convenient crossL section, preferably cylindrical or conical, thus forming a branched system which vibrates with the sound-waves.
  • These cross pieces can be arranged in all or only part of the holes, according to the tune desired, and either be hollow or solid.
  • this new sounding-bar provided with holes arranged according to strict acoustical calculations the sounding-waves of the bar are augmented to such an extent that not only the tone tune of the instrument becomes much louder and fuller, but also the rough and sharp coloration of the sound is moderated.
  • the three open soundcatchers arranged in the holes according to correct measures of acoustics are ol great benet to the sound-waves, because they augment the vibration of the sounding-bar and transfer the gal/t of the sound upon all four strings.
  • I claiml The combination with a bass-bar provided with openings, of hollow cross-pieces fixed in said openings and extending beyond the sides of the bar.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stringed Musical Instruments (AREA)

Description

No.66|,4|2. Patented Nov. 6, |900. L. LWENTHAL.
BASS BAR 0F VloLms. (Application medmy 12, 1906.1
-ld QXMINRWML I UNITED STATES PATENT OFFICE.
LOUIS LWENTHAL, OF BERLIN, GERMANY.
BASS-BAR OF VlOLlNS.
SPECIFICATION forming part of Letters Patent No. 661,412, dated November 6, 1900.
Application filed May l2, 1900. Serial No. 16,477. (No model.)
To all whom it may concern:
Be it known that I, LoUIs LWEN'IHAL, manufacturer, a subject of the Emperor of Germany, residing at Berlin, in the Province of Brandenburg, Germany, haveinvented certain new and useful Improvements in Bass- ]-ars or Sounding-Bars of Violins and the Like, of which the following is a full, clear, and eX- act description.
This invention has reference to bass-bars or sounding-bars for augmenting the tone of bow-played string instruments, and which consist of a baror rib arranged on the sounding-board or belly inside and lengthwise ofthe instrument. Such bars have hitherto been made solid; but in this invention, with the object of producing a finer and fuller tone than is obtainable with solid bars, such bars are provided with holes, in which are iiXed hollow cross pieces of any convenient cross-sectionsuch as cylindrical, triangular, &c.-thus forming a branched system which vibrates with the sound-waves.
In order that the invention may be fully understood, it will now be described with reference to the accompanying drawings, in which- Figure lis a side view of the sounding-bar; Fig. 2, a top View of the same. Fig. 3 is a top view of the sounding-bar, representing` a modified construction of the sounding-tubes- Fig. 4c is a vertical section through a violin, representing the arrangement of the sounding-bar on the sounding-board or belly inside and lengthwise of the instrument.
d, Fig. 4t, represents a violin, and e the sounding-board or belly of the same.
a is a sounding-bar attached in any convenient manner lengthwise on the inside of the sounding-board or belly e. The mentioned sounding-bar is provided with a number of holes o, in which are fixed as sound-catchers hollow cross-pieces of any convenient crossL section, preferably cylindrical or conical, thus forming a branched system which vibrates with the sound-waves. These cross pieces can be arranged in all or only part of the holes, according to the tune desired, and either be hollow or solid.
By means of this new sounding-bar provided with holes arranged according to strict acoustical calculations the sounding-waves of the bar are augmented to such an extent that not only the tone tune of the instrument becomes much louder and fuller, but also the rough and sharp coloration of the sound is moderated. Besides this the three open soundcatchers arranged in the holes according to correct measures of acoustics are ol great benet to the sound-waves, because they augment the vibration of the sounding-bar and transfer the gal/t of the sound upon all four strings.
I claiml. The combination with a bass-bar provided with openings, of hollow cross-pieces fixed in said openings and extending beyond the sides of the bar.
2. The combination with a bass-bar provided with transverse openings of hollow cross-pieces secured in said openings and extending at right angles beyond the sides oi' the bar.
In witness whereof I subscribe my signature in presence of two witnesses.
LoUIs LwEN'rI-IAL.
Vitnesses:
HENRY HAsPER, WOLDEIIAE HAUPT.
US1647700A 1900-05-12 1900-05-12 Bass-bar of violins. Expired - Lifetime US661412A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372189A (en) * 1982-02-11 1983-02-08 Johnson Charles S Amplification arrangement for violin sound bars
US20040129127A1 (en) * 2001-07-09 2004-07-08 Mercer James A. Violin with enhanced components
US9000282B1 (en) * 2013-12-17 2015-04-07 Jason Booth Guitar Bracing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372189A (en) * 1982-02-11 1983-02-08 Johnson Charles S Amplification arrangement for violin sound bars
US20040129127A1 (en) * 2001-07-09 2004-07-08 Mercer James A. Violin with enhanced components
US9000282B1 (en) * 2013-12-17 2015-04-07 Jason Booth Guitar Bracing

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