| 摘要 |
<p>PURPOSE: To facilitate playing by eliminating the pain which arises at the time of playing a keyboard musical instrument in a winter or cold season. CONSTITUTION: The external air flows into through-holes 12a of ceramic resistance heating elements 12 and the air passing these through-holes 12a is heated and warmed by the inside surfaces of the through-holes 12a when a fan 16 is run by energizing a motor 14 of a blasting section 8 via lead wires 14c. The warmed air, i.e. hot air, flows from the end 4b of a keyboard retaining part 4 to the internal flow passages 4d of the keyboard retaining part 4 and is discharged from respective release ports 5 opened toward the front end of the keyboard K onto the keyboard K. The keyboard K is thereby warmed and a player is kept free from the pain. In addition, the fingers and hands of the player are kept warmed during playing and, therefore, the player is additionally get rid of the pain during playing.</p> |
