Patent ID: 6265647
Filing Date: 2001-07-24
Classification: G10C

Abstract:
A keyboard musical instrument having a lateral direction, a fore-and-aft direction perpendicular to said lateral direction and a vertical direction perpendicular to the horizontal plane defined by said lateral direction and said fore-and-aft direction, comprising:a keyboard having plural keys arranged in said lateral direction, and assigned notes of a scale, respectively;plural music strings for generating acoustic tones of said notes, respectively;plural hammers respectively linked with said plural keys for striking said plural music strings, respectively; anda silent system includinga hammer stopper selectively entering a free position where said plural hammers are allowed to strike the associated music strings and a blocking position where said hammers rebound thereon before striking said associated music strings anda change-over means connected to said hammer stopper so as to change said hammer stopper between said free position and said blocking position,said hammer stopper including two members spaced apart from one another in said lateral direction and respectively having vertical axes of rotation extending in said vertical direction at first end portions thereof, absorbing means where said hammers rebound and a movable member supporting said absorbing means and connected to second end portions of said two members spaced from said first end portions so that said change-over means gives rise to a parallel motion of said absorbing means in said fore-and-aft direction on said horizontal plane through a rotation of said movable member around said axes of rotation.