WIND INSTRUMENT, AND BLOW HOLE ARRANGING METHOD AND BLOW HOLE OPENING AND CLOSING MECHANISM THEREOF

摘要

PPROBLEM TO BE SOLVED: To increase sound volume by providing a plurality of blow holes at nearly equal distances from a mouthpiece for one interval to expand the range of a small musical instrument and making the blow hole equivalently large by opening and closing them at the same time. PSOLUTION: The plurality of blow holes 11 and 12 are arranged at nearly equal distances from the mouthpiece, and a driving cup key 20 and a driven cup key 30 which is driven by the driving cup key are provided; and the driving cup key and driven cup keys are provided with key engagement parts 23 and 33 respectively which engage them so that a blow hole opening/closing operation of the driven cup key follows a blow hole opening/closing operation of the driving cut key. The key engagement parts is equipped with a driving projection part 23 which projects outward from a rotary shaft part 22 of the driving cup key to open and close one of a couple of blow holes 11 and a driven projection part 33 which projects outward from a rotary shaft part 32 of the driven cup key to open and close the other blow hole 12. PCOPYRIGHT: (C)2003,JPO