KEY WEIGHT AND KEY FOR KEYBOARD INSTRUMENT
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Sep 13, 2024
filing date -
Sep 13, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A key weight that is mounted in a key for a keyboard instrument by being inserted from outside into a weight accommodating portion formed in the key. The key weight includes a first weight made of an elastic material, and a second weight made of a material having a larger specific gravity than the first weight and mounted in the first weight. The first weight is configured such that when the first weight having the second weight mounted therein is mounted in the weight accommodating portion by being pushed into the weight accommodating portion, the first weight is latched with inner surfaces of the weight accommodating portion in a state in which the first weight is elastically deformed by reaction forces from the inner surfaces.
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