发明名称 ELECTRONIC KEYBOARD INSTRUMENT
摘要 An electronic keyboard instrument capable of suppressing warpage of a keybed having a keyboard placed thereon and improving the appearance of the instrument by shared use of a backboard covering an instrument body and a speaker box. A piano body of an electronic piano has a keybed. A bottom board is disposed below the keybed in a manner spaced therefrom and extends further rearward than a rear end thereof. A front board is erected on a front end of the bottom board and connected to the keybed. The speaker box accommodates a speaker. A screen board is erected rearward of the front board in the speaker box on the bottom board, and connected to the keybed. A backboard is connected to the rear end of the bottom board in a manner covering the rear sides of the piano body and the speaker box.
申请公布号 US2013283998(A1) 申请公布日期 2013.10.31
申请号 US201313869714 申请日期 2013.04.24
申请人 KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO 发明人 IRIMURA KOHTARO
分类号 G10C3/12 主分类号 G10C3/12
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