Patent ID: 7541532
Filing Date: 2009-06-02
Classification: G10C,G10H

Abstract:
1. A key structure that is mountable in a keyboard apparatus, for functioning as a white key pivotally moved by key-depressing operation, comprising: an upper plate member having an increased width part corresponding to an end of the white key toward a player, said increased width part having a lower surface; and a wood part secured to said lower surface of at least said increased width part of said upper plate member, said wood part having an increased width part having a substantially same width as said increased width part of said upper plate member, wherein: said wood part has a recess formed in a part thereof including said increased width part, the recess opens downward and having a width which is not less than 50% and not more than 80% of a width of said increased width part of said wood part, and a convex fitting part is fitted in the recess, a pair of hanging parts is provided such that the pair of hanging parts is continuous with the convex fitting part, and a key operation guide slides within inner portions of the convex fitting part and the pair of hanging parts in a key-depressing operation.