Hammer assembly, keyboard instrument, and hammer
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United States of America Patent
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Apr 28, 2020
Grant Date -
N/A
app pub date -
Aug 9, 2019
filing date -
Mar 24, 2017
priority date (Note) -
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Abstract
A hammer assembly includes: a pivot member that pivots about a pivot axis; and a weight supported by the pivot member and including a plate portion. The plate portion has a first surface and a second surface opposite to the first surface. The plate portion has: a first region with a thickness defined by a length between the first surface and the second surface in a pivot-axis direction at a portion farthest from the pivot axis; and a second region with a thickness greater than that in the first region. In a case where the areas of the first region and the second region on a projected plane when the first region and the second region are viewed in the pivot-axis direction are compared with each other, the area of the first region is less than the area of the second region.
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