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    • 4. 发明授权
    • Key drive device and keyboard musical instrument
    • 钥匙驱动装置和键盘乐器
    • US08389834B2
    • 2013-03-05
    • US13343234
    • 2012-01-04
    • Hiroyuki Murakami
    • Hiroyuki Murakami
    • G10C3/20
    • G10F1/02Y10T29/49117
    • 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.
    • 一种安装在乐器上的钥匙驱动装置,键盘部分地通过键盘位于腿部块上方,包括:驱动单元至少部分地插入到钥匙床的移除空间中。 在安装驱动单元的状态下,驱动位于腿块上方的至少一个键的至少一个驱动单元包括:(a)第一部分,其至少一部分插入到所述支架的插入空间部分中 腿部块和键盘之间的移除空间; 和(b)第二部分,其至少一部分设置在去除空间的其他空间部分中,第二部分在垂直方向和水平短边方向中的至少一个中的尺寸大于 第一部分。