Piano with on repetition without double stop attractive key mechanism and without sound loss

摘要

PURPOSE: To improve pounding operability when a key is slightly returned in a hammer stop state, prevent double hitting at the time of weak hitting and sound elimination by a hammer at the time of string hitting, and adjust an approach. ;CONSTITUTION: This action is equipped with the hammer 13, a bat 15, a catcher 19, a back check 27, a jack 33 which transmits keying operation to the bat 15 and retracts from a specific point, a repetition lever 22 which is arranged rotatably to and away the bat 15 and abuts on the top surface of the back check 27, a spring 24 which is arranged on the repetition lever 22 and gives an energizing force for energizing the bat 15 in a string hitting direction to the repetition lever 22 when the hammer stop state is reset, and a rod 101 which moves the repetition lever 22 to above the back check 27 at a specific interval (a) associatively with the retraction of the jack 33.;COPYRIGHT: (C)1994,JPO&Japio