Keyboarding apparatus for electronic musical instrument with simplified mass member and method of making mass member
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United States of America Patent
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Nov 10, 1998
Grant Date -
N/A
app pub date -
Jun 19, 1996
filing date -
Jun 20, 1995
priority date (Note) -
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Abstract
A keyboard apparatus having keys and mass members that are relatively light in weight and low in cost and yet provide a good key touch feeling that is comparable to the key touch feeling of a keyboard apparatus of an acoustic grand piano. A keyboard apparatus for an electronic musical instrument includes a support member including a first fulcrum section and a second fulcrum section. A key is movably supported about the first fulcrum section of the support member, and a mass member is movably supported on the support member and coupled to the key. The mass member has a mass concentration section made of an elongated metal bar and a resin section connected to the mass concentration section. The resin section has a pivotal fulcrum receiving section to be pivotally supported about the second fulcrum of the support member.
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