Keyboard device of electronic musical instrument
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United States of America Patent
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Feb 28, 2017
Grant Date -
Oct 6, 2016
app pub date -
Nov 4, 2015
filing date -
Mar 31, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The invention provides a keyboard device of an electronic musical instrument, wherein a hammer can be installed correctly by a simple operation of pressing a key. The keyboard device of the electronic musical instrument includes: a chassis; a key disposed rotatably on the chassis and extending from the rear to a front; a support shaft disposed on the chassis in front of the rotation center; a hammer rotating in conjunction with the key along with pressing on the front of the key; a retaining hole formed through the hammer and retaining the support shaft; a guide groove guiding the support shaft in the retaining hole; and a shifting means, shifting from a temporarily secured state to a retained state, and pressing the hammer in the temporarily secured state toward the rear to shift the hammer to the retained state along with the pressing on the front of the key.
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