US751479A - Thomas doddeell - Google Patents

Thomas doddeell Download PDF

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Publication number
US751479A
US751479A US751479DA US751479A US 751479 A US751479 A US 751479A US 751479D A US751479D A US 751479DA US 751479 A US751479 A US 751479A
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Prior art keywords
pin
thomas
doddeell
pianofortes
wire
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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
    • G10C3/10—Tuning pins; Tensioning devices
    • G10C3/106—Tuning pins; Tensioning devices the axis of the pins being perpendicular to the strings

Definitions

  • My invention relates to an improved wrestpin for pianofortes and other musical instruments. I attain these objects by the mechanism illustrated in the accompanying drawing, in which the drawing is a vertical section of the plank a with an elevation of the tuningpin I) screwed into the plank with the string 0 attached thereto.
  • My invention is constructed with a tuningpin 5 about two inches in length with a lefthand thread (Z.
  • the pin 6 has a screw-thread (Z at least as coarse as the diameter of the wire and extending over the portion covered by the wire as well as that portion in the wrestplank, the thread to extend from the point e to the eye of the pin, the pin Z) to be screwed into the plank a to within about an eighth of' an inch of the eye of the pin.
  • the wire or string 0 is then to be threaded in the ordinary way and the pin turned to the right, so that the coils of the string fall into the grooves of the screw until the required pitch is obtained, when the string will be the same distance from the plank as when first threaded, or, if preferred, an ordinary right-handed thread may be used and the pin turned in the reverse direction.
  • the wrest-pin for pianofortes and other musical instruments having a screw-thread at least as coarse as the diameter of the wire and extending over the portion covered by the wire as well as that portion in the wrestplank, substantially as described for the purpose specified.

Description

H0 IODEL.
'PATENTED FEB. 9, 1904.
T. DODDRELL.
WRBST PIN FOR PIANOFORTES.
APPLICATION FILED APR. 27, 1903.
nnnnnuunnnnnnn -UNITED STATES Patented February 9, 1904.
PATENT OFFICE.
WREST-PIN FOR PIANOFORTES.
SPECIFICATION forming part of Letters Patent N 0. 751,479, dated February 9, 1904.
Application filed April 2'7, 1903. Serial No. 154,526. (No model.)
To (M6 w/wm/ (It may concern:
Be it known that I, THouAs DODDRELL, a subject of the King of Great Britain, residing at Bradgate, Slough, in the county of Buckingham, England, have invented a new and useful Improved IVrest-Pin for Pianofortes and other Musical Instruments, of which the following is a specification.
My invention relates to an improved wrestpin for pianofortes and other musical instruments. I attain these objects by the mechanism illustrated in the accompanying drawing, in which the drawing is a vertical section of the plank a with an elevation of the tuningpin I) screwed into the plank with the string 0 attached thereto.
My invention is constructed with a tuningpin 5 about two inches in length with a lefthand thread (Z. The pin 6 has a screw-thread (Z at least as coarse as the diameter of the wire and extending over the portion covered by the wire as well as that portion in the wrestplank, the thread to extend from the point e to the eye of the pin, the pin Z) to be screwed into the plank a to within about an eighth of' an inch of the eye of the pin. The wire or string 0 is then to be threaded in the ordinary way and the pin turned to the right, so that the coils of the string fall into the grooves of the screw until the required pitch is obtained, when the string will be the same distance from the plank as when first threaded, or, if preferred, an ordinary right-handed thread may be used and the pin turned in the reverse direction.
IVhat I claim as my invention, and desire to secure by Letters Patent, is
The wrest-pin for pianofortes and other musical instruments having a screw-thread at least as coarse as the diameter of the wire and extending over the portion covered by the wire as well as that portion in the wrestplank, substantially as described for the purpose specified.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
THOMAS DODDRELL.
Witnesses:
R. WETTAROTT, ALFRED NUTTING.
US751479D Thomas doddeell Expired - Lifetime US751479A (en)

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