Music – Instruments – Wind
Reexamination Certificate
2006-09-26
2006-09-26
Fletcher, Marlon T. (Department: 2837)
Music
Instruments
Wind
C084S390000
Reexamination Certificate
active
07112735
ABSTRACT:
A valve for use in musical wind instruments, associated musical instruments, and methods of fabricating such valves and musical instruments are provided. An exemplary rotor valve includes a solid rotor body having a first, substantially straight passage defined therein extending from a first opening in a peripheral surface of the rotor body to a second opening in the peripheral surface. Second and third passages are formed and extend from associated openings in the peripheral surface to associated openings in a face surface of the rotor body. The first passage may define a first, primary flow path of the instrument and the second and third passages cooperatively define a second flow path of the instrument, which incorporates an added length of tubing. In one embodiment, an interchangeable tube insert may be installed in the first passage to define flow characteristics in the first flow path.
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Webpage, Selmer & Bach News Releases, “New Hagmann Valve for Trombones Offered by The Selmer Company,” Jun. 2000, (2 pages).
Webpage, The René Hagmann® Free-Flow Rotary Valves, visited Jun. 2004, (1 page).
Fletcher Marlon T.
Qin Jianchun
S.E. Shires, Inc.
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