Key mechanism for a wood wind

Music – Instruments – Wind

Patent

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G10D 706

Patent

active

049227920

ABSTRACT:
In construction of a key mechanism for a wood wind having an A key for an A sound hole, a register key for a Bb sound hole and for a lower vent tube, and a G/D key for the lower vent tube, a lock unit is provided to inhibit release of the lower vent tube when the A and register keys are concurrently operated for generation of a crisp Bb sound with reduced growls.

REFERENCES:
patent: 1529567 (1925-03-01), Albert
patent: 1585296 (1926-05-01), Loomis
patent: 1926489 (1933-09-01), Leblanc
patent: 2508550 (1950-05-01), Stubbins
patent: 2627776 (1953-02-01), Leblanc
patent: 2775915 (1957-01-01), De Ford
patent: 2832250 (1958-04-01), Leblanc

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