Key drive device and keyboard musical instrument
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United States of America Patent
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-
Mar 5, 2013
Grant Date -
Jul 12, 2012
app pub date -
Jan 4, 2012
filing date -
Jan 12, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A key drive device to be installed on a musical instrument with a keyboard partly located above a leg block via a key bed, including: drive units to be at least partly inserted into a removal space in the key bed. In a state in which the drive units are installed, at least one drive unit which drives at least one key located above the leg block includes: (a) a first portion at least a part of which is inserted into an insertion space portion of the removal space between the leg block and the keyboard; and (b) a second portion at least a part of which is disposed in other space portion of the removal space, a dimension of the second portion in at least one of a vertical direction and a horizontal short-side direction being larger than that of the first portion.
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