US1409064A - Stringed instrument - Google Patents

Stringed instrument Download PDF

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Publication number
US1409064A
US1409064A US378344A US37834420A US1409064A US 1409064 A US1409064 A US 1409064A US 378344 A US378344 A US 378344A US 37834420 A US37834420 A US 37834420A US 1409064 A US1409064 A US 1409064A
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United States
Prior art keywords
bolt
string
tensioning
stringed instrument
disc
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Expired - Lifetime
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US378344A
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Richter Johannes
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Individual
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Individual
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Priority to US378344A priority Critical patent/US1409064A/en
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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
    • G10D3/14—Tuning devices, e.g. pegs, pins, friction discs or worm gears

Definitions

  • This invention relates to improvements in stringed instruments, and more particularly to an improved braking device for preventing the tensioned strings from becoming loose by an unintended return movement of the string tensioning-bolt.
  • Fig. 1 is a front view
  • Fig. 2 is a sectional side view, of the head of a mandolin fitted with the improved arrangement, while Fig. 3 shows the string tensioning-bolt with its braking member.
  • the head a of the stringed instrument in the example a mandolin, is fitted with one bore for-ea ch string, which bores, for preventing the same from becoming worn, are provided with a metal plate or metal plates 6 fixed on said head.
  • Each bore serves for the reception of a string tensioning-bolt, which snugly fits therein and which comprises a metal pin having a thin front part c and a thicker rear part 03 with an intermediary cone e, while in said front part c a cross-hole f for the reception of the string-end and on the end of said rear part d a handle g for turning the bolt are provided, the latter being detachably fixed to the bolt by means of a cotter h.
  • a disc i On said cone 6 a disc i is either firmly pressed thereon or integral with said cone.
  • an arc-shaped member 7 On the metal plate or metal plates 6, an arc-shaped member 7:, one for each tensioning-bolt, is so fulcrumed at I that, when the tensioningbolt is put in place, it can be brought in peripheral contact with the disc 2', said arcshaped member 70 having a length of about of the circumference of said disc.
  • a. projection m On the free downwardly pointing end of said arcshaped member 7a, a. projection m is provided.
  • the operation is as follows
  • the stringend is led at an angle over the projection m of said arc-shaped member 7; and then wound upon the thin end 0 of the tensioning-bolt and fixed with its free end in the cross-hole f of the same.
  • the arc-shaped member 7 is pulled into closer contact with the periphery of the disc '5 and forms thus a kind of brake for preventing a return movement of the tensioning-bolt, whereby the string is prevented from becoming'loose and permanently kept in the tensioned position, said braking action being the higher the more the string is tensioned.
  • a string tensioning-bolt In a stringed instrument, a string tensioning-bolt, a disc on the latter, an arc-shaped member fulcrumed above said disc and in peripheral contact with the latter, a projection on the free end of said arc-shaped member, and a string-end first led at an angle over said projection, then wound upon, and finally fixed to, said tensioning-bolt, substantially as and for the purpose set forth.

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

Description

J. RICHTER.
TSTRINGED INSTRUMENT.
APPLICATION FILED MA,1,1920.
1,409,064. T Patented Mar. 7,1922.
UNITED STATES PATENT OFFICE.
STRINGED INSTRUMENT.
Specification of Letters Patent.
Patented Mar. 7, 1922.
Application filed May 1, 1920. Serial No. 378,344.
To all whom it may concern:
Be it known that I, J OHANNES RICHTER, a
citizen of the German Republic, and residing at Niederlossnitz-Dresden, Germany, have invented certain new and useful Improvements in Stringed Instruments, of which the following is a specification.
This invention relates to improvements in stringed instruments, and more particularly to an improved braking device for preventing the tensioned strings from becoming loose by an unintended return movement of the string tensioning-bolt.
In the annexed drawing:
Fig. 1 is a front view, and
' Fig. 2 is a sectional side view, of the head of a mandolin fitted with the improved arrangement, while Fig. 3 shows the string tensioning-bolt with its braking member.
The head a of the stringed instrument, in the example a mandolin, is fitted with one bore for-ea ch string, which bores, for preventing the same from becoming worn, are provided with a metal plate or metal plates 6 fixed on said head. Each bore serves for the reception of a string tensioning-bolt, which snugly fits therein and which comprises a metal pin having a thin front part c and a thicker rear part 03 with an intermediary cone e, while in said front part c a cross-hole f for the reception of the string-end and on the end of said rear part d a handle g for turning the bolt are provided, the latter being detachably fixed to the bolt by means of a cotter h. On said cone 6 a disc i is either firmly pressed thereon or integral with said cone. On the metal plate or metal plates 6, an arc-shaped member 7:, one for each tensioning-bolt, is so fulcrumed at I that, when the tensioningbolt is put in place, it can be brought in peripheral contact with the disc 2', said arcshaped member 70 having a length of about of the circumference of said disc. On the free downwardly pointing end of said arcshaped member 7a, a. projection m is provided.
The operation is as follows The stringend is led at an angle over the projection m of said arc-shaped member 7; and then wound upon the thin end 0 of the tensioning-bolt and fixed with its free end in the cross-hole f of the same. When tensioning the string by a rotation of the tensioniug-bolt, the arc-shaped member 7: is pulled into closer contact with the periphery of the disc '5 and forms thus a kind of brake for preventing a return movement of the tensioning-bolt, whereby the string is prevented from becoming'loose and permanently kept in the tensioned position, said braking action being the higher the more the string is tensioned.
What I claim, is
In a stringed instrument, a string tensioning-bolt, a disc on the latter, an arc-shaped member fulcrumed above said disc and in peripheral contact with the latter, a projection on the free end of said arc-shaped member, and a string-end first led at an angle over said projection, then wound upon, and finally fixed to, said tensioning-bolt, substantially as and for the purpose set forth.
In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.
JOHANNES RICHTER.
Vitnesses llIr'iLLnR BERNEEK, .IoHANNus Gonrz.
US378344A 1920-05-01 1920-05-01 Stringed instrument Expired - Lifetime US1409064A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US378344A US1409064A (en) 1920-05-01 1920-05-01 Stringed instrument

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US1409064A true US1409064A (en) 1922-03-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4840102A (en) * 1987-03-27 1989-06-20 Pittman R Aspen High density headplate for a stringed instrument
US9275613B2 (en) 2012-09-27 2016-03-01 Hipshot Products, Inc. System, kit and method for universal mounting of tuning machines on stringed musical instruments

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4840102A (en) * 1987-03-27 1989-06-20 Pittman R Aspen High density headplate for a stringed instrument
US9275613B2 (en) 2012-09-27 2016-03-01 Hipshot Products, Inc. System, kit and method for universal mounting of tuning machines on stringed musical instruments
EP2901444A4 (en) * 2012-09-27 2016-06-08 Hipshot Products Inc System, kit and method for universal mounting of tuning machines on stringed musical instruments

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