Improved key weights for piano
OwnerJacob RICHTERinventor
Life of this patent
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Abstract
A weight and method for installing the same in a piano key or damper, the method including: providing a weight formed from material including a metal having a density greater than 12 grams per cubic centimeter; inserting the weight into the piano key or damper. The material including at least a metal sufficiently strong to form a thread on a surface thereof; and wherein the weight has a thread formed on the surface. The material is resistant to corrosion at least at ambient temperatures The weight being a cylindrical member made of lead; and at least one outer layer of an inert metal material or a corrosion-resistant metal material covering the cylindrical member.
Claims23
A method for installing a piano key weight in a piano key or damper, the method comprising:
- providing a weight formed from material including a metal having a density greater than 12 grams per cubic centimeter;
- inserting said weight into the piano key or damper.
A method for installing a weight in a piano key or damper, the method comprising:
- providing a weight formed from material including a metal sufficiently strong to form a thread on a surface thereof;
- forming said thread on said surface;
- and
- inserting said weight into the piano key or damper.
A weight for a piano key or damper, comprising:
- a material including at least a metal having a density greater than 12 grams per cubic centimeter.
A weight for a piano key or damper, comprising:
- a material including at least a metal sufficiently strong to form a thread on a surface thereof;
- and
- wherein the weight has a thread formed on said surface.
A weight for a piano key or damper, comprising:
- a cylindrical member made of lead;
- and
- at least one outer layer of an inert metal material or a corrosion-resistant metal material covering said cylindrical member.
Dependencies are inferred from the claim text.