发明名称 KEYBOARD DEVICE OF KEYBOARD INSTRUMENT
摘要 <P>PROBLEM TO BE SOLVED: To provide the keyboard device of a keyboard instrument which can secure strength of boundary parts of chassises sufficiently while regulating movements of the left and right direction of hammers and also can prevent occurrence of noise. <P>SOLUTION: The keyboard device is equipped with a plurality of chassises lined in a longitudinal direction, a plurality of keys 3 supported to the chassises 2 to be freely rotatable, a plurality of hammers 4 which are supported to the chassises 2 to be rotatable to the chassises 2 and each of which rotates as the depression of a corresponding key 3 and a plurality of guide parts 17 each of which has a pair of right and left side wall parts 14, 14 which are opposed by approaching each hammer of the plurality of the hammers from both sides and regulates the movement in the left and right direction of the hammer 4. The keyboard device is characterized in that one pair of the side walls 14, 14 of the guide part 17 at the boundary part of the plurality of the chassises 2 in the plurality of the guide parts 17 are constituted of the side wall 14a of one side and the side wall 14b of the other side of adjacent two chassies 2. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005037458(A) 申请公布日期 2005.02.10
申请号 JP20030197447 申请日期 2003.07.15
申请人 KAWAI MUSICAL INSTR MFG CO LTD 发明人 SHIMODA YOSHIAKI
分类号 G10B3/12;G10H1/34 主分类号 G10B3/12
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