| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce the cost of a keyboard device for use in an electronic musical instrument, by dispensing with a stopper for restricting turning of a hammer thereby reducing the number of parts. <P>SOLUTION: A projection section 8 with a first vertical face 81 and a second vertical face 82 is formed on a keyboard chassis 3 of the keyboard device, and a hammer holder 6 formed with a concave section 57 corresponding to the projection section 8 is attached to a bottom face of the hammer body 5. Edges 62 and 64 which face the concave section 57 contact the first vertical face 81 and the second vertical face 82 according to the turning of the hammer, then, the turning action of the hammer is restricted. <P>COPYRIGHT: (C)2009,JPO&INPIT |
