Patent ID: 8916757

Claim:
A lid opening/closing mechanism for a keyboard musical instrument, comprising: a main body including a casing and a keyboard disposed in the casing and having a plurality of keys; a plate-like lid attached to the casing so as to be movable between a closed position at which the lid is closed so as to cover the keyboard and an open position at which the lid is opened so as to uncover the keyboard; and a connecting mechanism for connecting a side wall portion disposed on one side of the keyboard in the casing and an end portion of the lid which is located at an end of the lid in a key arrangement direction in which the plurality of keys are arranged, the end portion being opposed to the side wall portion, wherein the connecting mechanism is configured such that, during a movement of the lid from the closed position to the open position, a rear end portion of the lid slidingly moves only in a direction from a rear end portion of the main body toward a front end portion thereof or moves in the direction from the rear end portion of the main body toward the front end portion thereof and in an upward direction.