Patent ID: 6087576
Filing Date: 2000-07-11
Classification: G10C,G10H

Abstract:
An electronic musical keyboard apparatus comprising a plurality of key stems arranged in a transverse direction of a keyboard so that each key stem is connected through a connection section to a key support section so as to enable each key stem to swing freely vertically in a key depression direction about a respective key support section, whereinsaid connection section has a transverse overall width dimension that is wider than a width dimension of a back-end of said key stem, and is disposed so that a portion of a connection section of a key stem vertically overlaps a portion of another connection section of an adjacent key stem; andwhite keys are arranged in an upper key unit and in a lower key unit, each key unit having respective key stems, a key support section and connection sections; such thatthe key support section of said upper key unit is stacked on top of the key support section of said lower key unit; and a plurality of assemblies, each assembly comprising said lower key unit and said upper key unit, which is stacked on said lower key unit, being linked in a line along the transverse direction of the keyboard to form an upper component and a lower component; wherein,in said upper component, lateral surfaces of key stems and connection sections of said upper key unit that face the adjacent upper key units lie substantially on a common plane; and,in said lower component, back-ends of key stems in each lower key unit are joined to transverse midpoints of connection sections.