KEYBOARD DEVICE OF ELECTRONIC MUSICAL INSTRUMENT

摘要

PROBLEM TO BE SOLVED: To reduce costs and improve productivity of a keyboard device that simulates a key touch feeling of an acoustic piano by making a position of fulcrum of respective keys different in a front-back direction.SOLUTION: A plurality of white keys 11w and black keys 11b that oscillate by a press and release operation of keys are provided. Positions in a front-back direction of key support parts that support the respective plurality of white keys 11w and black keys 11b are made different. Hammers that oscillate in conjunction with the oscillation of the plurality of white keys 11w and black keys 11b are provided. The plurality of white keys 11w and black keys 11b include drive units that drive the hammers. A center of oscillation of the respective hammers are provided on the same straight line that extends in the horizontal direction. The drive unit that drives the hammers of the black keys 11b is provided in front of the drive unit that drives the hammers of the white keys 11w. An upper limit stopper and a lower limit stopper that regulate the oscillation of the hammers are provided to extend in the horizontal direction.