| US 7,586,030 B2 | ||
| Keyboard apparatus | ||
| Kenichi Nishida, Hamamatsu (Japan) | ||
| Assigned to Yamaha Corporation, Hamamatsu-Shi (Japan) | ||
| Filed on Jul. 02, 2008, as Appl. No. 12/166,577. | ||
| Claims priority of application No. 2007-173865 (JP), filed on Jul. 02, 2007; and application No. 2007-173866 (JP), filed on Jul. 02, 2007. | ||
| Prior Publication US 2009/0007757 A1, Jan. 08, 2009 | ||
| Int. Cl. G10C 3/12 (2006.01) | ||
| U.S. Cl. 84—423R | 11 Claims |
| 1. A keyboard apparatus comprising:
a key unit that comprises one or more key bodies, a key supporting part for supporting each key body, and a connecting part
for connecting the key body to the key supporting part pivotably in a key-stroking direction of the key body; and
a key frame that comprises an upper surface, and a key mounting part disposed on the upper surface for locking the key supporting
part of the key unit; wherein
the key supporting part of the key unit has a first engagement section having a hook-like structure or a press-fitting structure;
the key mounting part of the key frame has a second engagement section which engages with the first engagement section when
the key unit is mounted to the key frame, the second engagement section having a through-hole or a concave for engagement
with the hook-like structure or the press-fitting structure of the first engagement section; and
the first engagement section and the second engagement section are located above the key mounting part of the key frame.
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