Drum head with floating muffling ring

Details Drum head with floating muffling ring Drum head with floating muffling ring

1996-09-25

1999-04-06

Shoop, Jr., William M.

Music

Instruments

Drums

G10D 1302

Patent

active

058921680

ABSTRACT:
An improved drumhead construction for drums of the type used in percussion sections of bands and orchestras utilizes a sound absorbing muffling ring attached to the drumhead to minimize the amplitude and duration of undesirable resonance sounds or over-ringing. The muffling ring according to the present invention includes a flat annular ring having a sound absorbing surface such as felt adjacent to the inner, or non-battered surface of a drum head membrane. The sound absorbing ring is attached to the drumhead membrane only at certain locations of the ring, thereby permitting unattached portions of the ring to float with respect to the drumhead membrane, away from the membrane in response to initial brisk movement of the membrane in response to a drum beat, thereby minimizing attenuation of initial drumhead membrane vibrations which produce desired sharp attack sounds. The muffling ring includes means for resiliently urging the sound absorbing portion thereof back into contact with the drumhead membrane, thereby dampening the amplitude and duration of undesired resonances in the drumhead. In a preferred embodiment, a second annular ring-shaped lamination made of an elastic material such as fibreboard is attached to the inner surface of the sound absorbing ring lamination, and urges the sound absorbing lamination into contact with the membrane. The muffling ring is preferably attached to the inner, or non-battered surface of the batter membrane of a drumhead. In drums provided with a second, resonating drumhead, a muffling ring may be attached to the resonating drumhead instead of or in addition to the muffling ring attached to the batter drumhead.

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