Keyboard instrument

A keyboard instrument comprising a keyboard including a plurality of keys, an instrument main body having a sound generator at a rear of the keyboard, an operating panel provided at the rear of the keyboard and having operating elements for musical sound parameters setting arranged thereon, and an upper surface cover member to cover an upper portion of said instrument main body other than the keyboard and a portion of said operating panel, said keyboard instrument comprising:

• tone escape portions provided in said operating panel at right and left regions separated in a direction in which the keys of said instrument main body are arranged;
• and
• a rear panel erected on an upper surface of said upper surface cover member and at a rear of said tone escape portions and having a width equal to or larger than the entire width of said keyboard in the direction in which said keys are arranged.

A keyboard instrument comprising an instrument main body constituted of a holding portion for holding a keyboard including a plurality of keys, side panels on both sides thereof, a back panel, a key slip, and an upper surface cover member engaged with the back panel at a rear of the keyboard, said keyboard instrument comprising:

• a rear panel erected on an upper surface of said upper surface cover member and having a width equal to or larger than the entire width of said keyboard in a direction in which the keys are arranged,
• wherein said back panel and said upper surface cover member are secured to each other via a fixing member secured to either said back panel or said upper surface cover member, and
• wherein a rear portion of said upper surface cover member is fixed by said fixing member and said rear panel is mounted on the upper surface of said upper surface cover member and secured to said instrument main body, whereby said upper surface cover member is held on said instrument main body.

A keyboard instrument comprising an instrument main body having a keyboard including a plurality of keys and mounted on a key bed, a musical sound signal generating means for generating a musical sound signal by operation of the keys, a speaker for transducing the musical sound signal from said musical sound signal generating means into an acoustic sound, and an operating panel located at a rear of the keyboard,

• wherein a speaker box for holding said speaker is fixedly provided on a lower surface of said key bed of said instrument main body, and a through hole is provided which passes from inside said speaker box to an upper surface of said key bed, and
• wherein a tone escape portion is provided in said operating panel above said through hole, or a clearance for tone emission is provided between an upper portion of the rear of said keyboard and a cover of said instrument main body.