Plug assembly for a xylophone resonator

Details Plug assembly for a xylophone resonator Plug assembly for a xylophone resonator

2008-04-22

2008-04-22

Donovan, Lincoln (Department: 2837)

Music

Instruments

Rigid vibrators

C084S402000

Reexamination Certificate

active

11634634

ABSTRACT:
A plug assembly for a xylophone resonator includes a cover adapted to be mounted on the xylophone resonator to close an opening of the xylophone resonator, an annular disk adapted to be received inside the xylophone resonator and a threaded rod having a threaded bottom end extending through the cover to securely and threadingly connect to the annular disk and a threaded top end engaging with a knob. The threaded rod is selectively movable relative to the cover via the control of a controlling nut such that position of the annular disk inside the xylophone resonator is adjusted.

REFERENCES:
patent: 500433 (1893-06-01), Schubert
patent: 520344 (1894-05-01), Weigle
patent: 1173507 (1916-02-01), Haskell
patent: 2085363 (1937-06-01), Hultsch
patent: 2414656 (1947-01-01), Miller
patent: 3766683 (1973-10-01), Vennola
patent: 4240320 (1980-12-01), Pellerite
patent: 4570525 (1986-02-01), Suzuki
patent: 4770080 (1988-09-01), Jivoin
patent: 4941386 (1990-07-01), Stevens
patent: 5189236 (1993-02-01), Stevens
patent: 6660919 (2003-12-01), Lim
patent: 6891096 (2005-05-01), Guay

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