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KEYBOARD DEVICE AND KEYBOARD INSTRUMENT

  • US 20180268787A1
  • Filed: 03/13/2018
  • Published: 09/20/2018
  • Est. Priority Date: 03/17/2017
  • Status: Active Grant
First Claim
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1. A keyboard device comprisinga plurality of keys;

  • a transmission member which is rotated in response to a key depression operation performed on a key among the plurality of keys; and

    a hammer member which is rotated in response to rotation of the transmission member and applies an action load to the key,wherein the hammer member includes a hammer arm and a hammer head provided on a front side of the hammer arm, andwherein the hammer arm is rotated around a hammer rotation center located on a rear side of the hammer arm in response to the key depression operation performed on the key.

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