Importance

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Abstract

A keyboard device for a keyboard instrument, which is capable of obtaining excellent touch feeling when key depression is performed and further is capable of increasing responsiveness when a key having been depressed performs pivotal return movement to its original position and thereby obtaining appropriate string striking repeatability. The keyboard device includes a keyboard chassis, a key disposed on the keyboard chassis, and a key support mechanism causing, upon depression of the key, the depressed key to operate such that the key pivotally moves about a virtual pivot located rearward of a rear end of the key. The key support mechanism includes a first arm swingably engaged with a first pivot shaft and a second arm swingably engaged with a second pivot shaft. The second arm is provided with a second arm weight made of a material having a larger specific gravity than the second arm.

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First Claim