Importance

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Abstract

A keyboard device for a keyboard instrument, enabling obtaining excellent touch feeling during key depression and increasing responsiveness when a key having been depressed performs pivotal return movement to its original position, thereby providing appropriate string striking repeatability. The keyboard device includes a keyboard chassis, a key disposed on the keyboard chassis, and a hammer pivotally moved, below the key, in a state interlocked with the key. When the key is configured to pivotally move about a virtual pivot, a key rear portion weight is provided on the rear end of the key, whereas when the key is configured to pivotally move about a pivot, a key rear portion weight is provided on the rear end of the key at a location rearward of the pivot. Each key rear portion weight is made of a material having a larger specific gravity than the key.

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First Claim