Keyboard device of electronic musical instrument

摘要

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.

主权项

1. A keyboard device of an electronic musical instrument, comprising:
a chassis; a key disposed rotatably on the chassis with a side of a rotation center of the key as a rear and extending from the rear to a front; a support shaft disposed on the chassis in front of the rotation center of the key; a hammer disposed rotatably around the support shaft and rotating in conjunction with the key along with pressing on the front of the key; a retaining hole founed through the hammer and retaining the support shaft such that the hammer is rotatable; a guide groove formed by cutting open a rear of the retaining hole and guiding the support shaft in the retaining hole; and a shifting means, shifting from a temporarily secured state where the support shaft is temporarily secured in the guide groove of the retaining hole to a retained state where the support shaft is retained in the retaining hole, 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.