PROCESSING METHOD OF HAMMER MEMBER IN KEYBOARD STRUCTURE OF ELECTRONIC KEYBOARD INSTRUMENT, AND KEYBOARD STRUCTURE OF ELECTRONIC KEYBOARD INSTRUMENT WITH HAMMER MEMBER

摘要

PROBLEM TO BE SOLVED: To reduce labors for working hammer members, maintaining parts thereof, and assembling the hammer members.

SOLUTION: Periphery end parts of respective adjacent hammer members 2 arrayed corresponding to one type of keys 1 or the periphery end parts of the respective adjacent hammer members 2 arrayed corresponding to all of the keys 1 are formed to have continuous slope shapes without steps so that the adjacent hammer members 2 arrayed in the same arrangement as the keyboard are reduced in weight from a low tone side to a high tone side.

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