JPH05289654

PURPOSE:To easily adjust the pitch of the recorder by providing a pitch adjusting ring which can increase or decrease the area of an air-path side wall surface forming part of the blow hole part of the head section of the recorder at the blow hole part, and rotating the pitch adjusting ring and then...

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Bibliographic Details
Main Author TOYAMA YOSHIKO
Format Patent
LanguageEnglish
Published 05.11.1993
Edition5
Subjects
ACCORDIONS OR CONCERTINAS
ACOUSTICS
MUSICAL INSTRUMENTS
MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
PERCUSSION MUSICAL INSTRUMENTS
PHYSICS
STRINGED MUSICAL INSTRUMENTS
WIND MUSICAL INSTRUMENTS
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Summary:PURPOSE:To easily adjust the pitch of the recorder by providing a pitch adjusting ring which can increase or decrease the area of an air-path side wall surface forming part of the blow hole part of the head section of the recorder at the blow hole part, and rotating the pitch adjusting ring and then increasing or decreasing the area of the air-path side wall surface. CONSTITUTION:A ring fitting part 10 is provided above the air-path side wall surface of the window-shaped blow hole part 2 formed of the air-path wall surface where air-path exit is open and an edge 7 provided opposite to the air-path side wall surface 5, and the annular pitch adjusting ring 12 which partially differs in the protrusion length of a collar part 15 or the extension length of a pent-roof part in the radial direction of the ring fitting part 10 is fitted rotatably onto the ring fitting part 10 and then rotated to vary and adjust the protrusion length of the collar part 15 formed on the air-path side wall surface or the extension length of the pent-roof part.
Bibliography:Application Number: JP19920116699