Piano tuning retention system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 5, 2022
Grant Date -
N/A
app pub date -
May 13, 2021
filing date -
May 13, 2021
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A piano tuning retention system includes first and second bushings, each having a threaded upper longitudinal end and a lower longitudinal end that defines a polygonal interior for mating with a polygonal end of a respective piano tuning pin, first and second threaded fasteners corresponding to the threaded upper longitudinal ends of the bushings, first and second sleeves that fit over the bushings, each of the sleeves having an upper longitudinal end with an inward radial extension that defines a reduced inner diameter and a lower longitudinal end that defines a catch (e.g. a notch) extending in a circumferential direction of the sleeve for engagement with a piano string, and a bridge configured to be sandwiched between the threaded fasteners and the inward radial extensions of the sleeves with the bushings disposed within the sleeves and the threaded fasteners fastened to the threaded upper longitudinal ends of the bushings.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully