Keyboard device for electronic keyboard instrument and mounting structure of let-off imparting member for electronic keyboard instrument

A keyboard device for an electronic keyboard instrument, comprising:

• a plurality of keys each extending in a front-rear direction and configured to be swingable about a fulcrum disposed at a predetermined location in the front-rear direction;
• a hammer support formed by a molded article of a synthetic resin and disposed rearward of said keys;
• a plurality of hammers each pivotally supported by said hammer support and held in abutment with an abutment portion of a rear end of an associated one of said keys from above, for pivotal motion in accordance with depression of said associated key;
• and
• a key switch including a plurality of switch bodies provided in association with said respective hammers and a switch board having said switch bodies mounted on a lower surface thereof, said key switch being configured to be operable when any of said hammers configured to pivotally move in accordance with depression of said respective keys presses an associated one of said switch bodies, to detect key depression information on said depressed key,
• wherein said hammer support has a switch mounting part located above said hammers and formed with an opening vertically extending therethrough, and
• wherein said key switch is removably mounted to said switch mounting part, such that said switch bodies face said respective hammers from above via the opening of said switch mounting part and said switch board is placed on an upper surface of said switch mounting part.