UPRIGHT ELECTRONIC PIANO AND METHOD FOR PRODUCTION THEREOF

摘要

An upright electronic piano having the feeling of touch on keys equivalent to that of an acoustic upright piano. An action load simulation member (2) of the upright electronic piano includes an action lever (15) which rises while rotating with the motion of the key (11) upon a touch on it, a jack (17) which rises with the action lever (15) until a jack tail (17a) comes into contact with a regulating button (16), a hammer butt (18) rotatably supported on a center pin (18b) capable of contact with the jack (17), a hammer shank (21) interconnected to the butt (18) and equipped with a hammer (23), and a hammer stopper (32) capable of contact with the distal end of the hammer (23). The action lever (15), the jack (17) and the butt (18) have their respective axes of rotation. A let-off timing is equal to that of ordinary acoustic upright pianos.