Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eiichi Shirayanagi0
Fumiyoshi Furuki0
Date of Patent
September 11, 2007
0Patent Application Number
109907090
Date Filed
November 17, 2004
0Patent Primary Examiner
Patent abstract
A brace is provided so as to be able to maintain the open position of a lid of a keyboard musical instrument (grand piano), is able to rotate between an erect position that maintains an open position of lid and a collapsed position, and is able to be self-standing in the erect position. A position regulating section is provided between brace and body of grand piano that maintains an angle of rotation of brace at a constant angle.
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