Arlen J Fast

US Patent:

6765138, Jul 20, 2004

Filed:

Oct 16, 2002

Appl. No.:

10/272365

Inventors:

Arlen Fast - Teaneck NJ

Assignee:

Fox Products Corporation - South Whitley IN

International Classification:

G10D 700

US Classification:

84380R, 84381, 84385 R, 84386, 84395, 84396

Abstract:

A contrabassoon has a body, a tuning slide, a bocal pipe and a novel register system. The body, tuning slide and bocal pipe form a tube having a continuous bore. The register system comprises 5 vent holes formed in the tube. Key mechanisms for selectively opening and closing the vent holes are described. The contrabassoon further comprises linkage to selectively operate a low E vent pad, and an alternative C-sharp tone hole, with accompanying key mechanism.