Adjustable barrel tuning apparatus for use with a woodwind music

Music – Instruments – Wind

Patent

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Details

G10D 900

Patent

active

052918173

ABSTRACT:
An apparatus for varying the length of the barrel of a woodwind musical instrument by providing adjustability in the length thereof which includes two tubular members which are telescopingly movable with respect to one another and include a primary gear rack mounted on the second tubular member and a rotatably movable adjustment wheel mounted on the first tubular member with a gear fixedly secured to the adjustment wheel and in engagement with respect to the teeth of the primary gear rack such that movement of the adjustment wheel will cause movement of the primary gear rack and relative movement between the first and second tubular member for adjusting or tuning of the length between the first and second tubular members. Each tubular member defines a bore extending centrally therealong which is coincident on the same longitudinally extending bore axis. A locking device is included for selectively fixedly securing the first and second tubular members with respect to one another as desired. Also a first longitudinal orientation device is positioned on the first tubular member and a second orientation device is positioned on the second tubular member to prevent relative rotational movement thereof to prevent rotational movement therebetween and allow only axial tuning movement therebetween. The longitudinal orientation means will preferably include a key and engaging key slot configuration defined on the two tubular members.

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