Acoustic drums
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United States of America Patent
Stats
-
Jan 22, 1980
Grant Date -
N/A
app pub date -
Aug 4, 1978
filing date -
Aug 5, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A musical drum has a hollow elongate body of resin impregnated glass fibre, open at both ends. A membrane is stretched across one end and secured thereto. The said end is circular and the body has a cylindrical portion including the said end and then has a flared portion with a curved central axis. The flared portion terminates in a generally oval opening and includes a hollow ridge. In use of the drum, two notes are produced, one at the center of the open end and the other, an octave lower, in the ridge. A bass drum incorporating the invention is also described.
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Cited Art Landscape
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