Patent ID: 7767892
Filing Date: 2010-08-03
Classification: G10C

Abstract:
1. A keyboard apparatus for an electronic musical instrument, comprising: a frame; at least one key having a hammer-actuating portion and supported for pivotal motion on said frame; and at least one hammer disposed to correspond to said key and having a pivotal fulcrum and an actuated portion, said hammer being supported on said frame such as to be pivoted about the pivotal fulcrum when the actuated portion thereof is actuated by the hammer-actuating portion of said key, said hammer being adapted to impart, when pivoted, inertia to an operation of depressing the key, wherein said hammer includes a hammer base thereof provided with the pivotal fulcrum and the actuated portion, and an extension thereof fabricated separately from the hammer base and provided to extend from the hammer base, said extension being formed by a pipe-like member having one end thereof fixed to the hammer base.