SOUNDBOARD SUPPORT STRUCTURE FOR UPRIGHT PIANO

摘要

PROBLEM TO BE SOLVED: To improve the sound volume and soured quality by reducing the loss of vibration of a soundboard due to a column main body. SOLUTION: A pin plate 5 and a toe 7 are provided on the front side of a column main body 1 and the outer peripheral part of the soundboard 6 is fixed to the front of the toe 7. A spacer member 44 is interposed between the column main body 1 and pin plate 5 and an extension part 44A which extends to below the pin plate 5 and leaves the column main body 1 is provided integrally to the lower end part of the spacer member 44. Further, the upper' end part of the toe 7 is fixed to the front surface side of' the extension part 44A. A recessed part 46 is formed in an intermediate beam 3.