Back to results
US 6,114,615 AGranted
Stepped tuning pin for pianos and like instruments
OwnerPaul S. Larudeeinventor
Life of this patent
Estimating the term…
Abstract
A tuning pin for pianos and other string instruments being of one diameter size for approximately one-third of its length and of another diameter for the remainder of its length.
Claims3
A stringed-instrument tuning pin having a crown and a nose comprising:
- a generally cylindrical root portion having a first diameter;
- a stem portion having a cylindrical trunk section of a second diameter wherein said first diameter is larger than said second diameter, and said stem portion further having a tip section between said trunk section and the crown, said entire tip section of a diameter equal to or less than the diameter of said trunk section and having surface bevels that square said stem section near the crown;
- a transition portion in the shape of a section of a cone between said root portion and said stem portion wherein said transition portion has a maximum diameter approximately equal to the diameter of said root portion and a minimum diameter approximately equal to the diameter of said stem portion;
- wherein said root portion extends from said transition portion to the nose and includes a threaded section,
- a becket hole in said trunk section.
2 more elements
Dependencies are inferred from the claim text.