Method of mounting plate in grand piano
AssigneeKabushiki Kaisha Kawai Gakki Seisakusho
InventorManabu Arimori
Life of this patent
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Abstract
A method of mounting a plate in a grand piano is provided for ensuring an appropriate bridge pressure in accordance with an actual amount of swelling of a soundboard and its distribution in a simple manner without requiring bridge pressure setting and re-adjustment. The method comprises the steps of measuring the heights of a bridge from a reference plane at a plurality of predetermined positions of the bridge on the back assembly; attaching a plurality of plate bases at a plurality of positions along the outer periphery of the top surface of the back assembly at heights corresponding to the measured heights of the bridge; and carrying the plate on the plurality of plate bases, and fixing the plate carried on the plate bases to the back assembly.
Claims7
A method of mounting a plate on a back assembly having a soundboard assembled therein and a bridge adhered on a top surface of said soundboard in a grand piano, said method comprising the steps of:
- measuring heights of said bridge from a reference plane at a plurality of predetermined positions of said bridge on said back assembly;
- attaching a plurality of plate bases at a plurality of positions along the outer periphery of the top surface of said back assembly at heights corresponding to the measured heights of said bridge;
- and
- carrying said plate on said plurality of plate bases, and fixing said plate carried on said plate bases to said back assembly.
Dependencies are inferred from the claim text.