| 摘要 |
A remote-controlled device for depressing the keys of a keyboard instrument which comprises in the device: separate means for depressing each of the desired keys, each of said means being pivotally mounted on a fulcrum, means for selectively rotating the key-depressing means about its fulcrum so that at least a part of each of the corresponding key-depressing means depresses the desired keys of the instrument's keyboard, above which the device is positioned. This invention is concerned with a device to depress the keys of a keyboard, particularly the keys of a musical instrument. More particularly, the device may be used to depress and keep depressed the keys of the keyboard on a pipe organ, especially when the organ is being tuned.
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