Patent ID: 7396994

Claim:
An electronic keyboard instrument comprising: a frame body comprising a keyboard attachment frame section and a rear frame section and having a space section formed therein, the keyboard attachment frame section having a keyboard, and the rear frame section being connected to a rear portion of a lower surface of the keyboard attachment frame section and having a foot controller provided at a bottom portion thereof or provided therebelow via a connection section; and an electronic circuit generating heat when activated; wherein the electronic circuit is provided in the interior of the rear frame section; and a ventilation hole communicating with the exterior of the frame body is provided at a lower portion of the rear frame section and provided at a portion of the frame body located above the electronic circuit, wherein the ventilation hole provided at a portion of the frame body located above the electronic circuit is located at the rear frame section, and wherein the electronic circuit is formed on a predetermined plane, and is disposed vertically in such a manner that the plane extends along an inner wall surface of the rear frame section.