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US 4,534,261 AGranted
Vent key modification for flute
OwnerRaymond Fabrizioinventor
Life of this patent
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Abstract
An improvement in a modern Boehm system flute having a closed G.music-sharp. which includes deleting the standard duplicate G.music-sharp. key and extra hole and adding a small vent area close to the G key which is covered by a small vent key conjointly operable with the opening and closing of the G key.
Claims4
An improvement in a modern Boehm system flute having a closed G.music-sharp. which is opened by a G.music-sharp. lever and includes a duplicate G.music-sharp. key and extra hole comprising:
- a. deleting said duplicate G.music-sharp. key and extra hole;
- b. a vent means having an open area substantially smaller than said extra hole opening;
- c. vent cover means for selectively closing said open area;
- d. said vent means is longitudinally located between said deleted extra hole and the A hole of said flute;
- e. a G key selectively covering said A hole;
- f. connection means permitting the controlled conjoint opening and closing of said G key and said vent cover means;
- and
- g. relocating said G.music-sharp. lever toward the open end of said flute to provide space for said vent means and elongating the length of said lever to permit standard fingering.
5 more elements
Dependencies are inferred from the claim text.