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US 4,356,757 AGranted
Musical drum construction
OwnerMichael G. Mooyinventor
Life of this patent
Estimating the term…
Abstract
The new musical drum construction is disclosed which comprises a cylindrical sleeve disposed coaxially within a drum shell such that there is a small space between the outer edge of the sleeve and the inner edge of the drum shell. The sleeve is secured in place by rings at each end which extend between the edge of the sleeve and the edge of the drum shell. The drum heads are attached only to the shell, permitting the sleeve to resonate with the heads. This has been found to produce a distinctly clearer, more solid sound than other drums.
Claims5
A musical drum comprising:
- a cylindrical shell;
- a cylindrical inner sleeve, wherein said inner sleeve is of slightly less diameter and height than said shell, the sleeve being of a material and construction to resonate when the drum head is stuck;
- flexible means for disposing the sleeve coaxially within the shell and allowing radial and axial movement of said sleeve so that there is a space between the inner sleeve and the shell of generally uniform width;
- a drum head disposed over an open end of the shell;
- and
- means securing the drum head onto the shell;
- wherein said disposing means comprises two circular rings disposed between said shell and said drum head, said rings having an inner portion and an outer portion, said inner portion of each of said ring being fixedly connected to an edge of said sleeve and said outer portion of each said ring having a flanged projection which extends over an edge of said shell, said rings being movably secured thereby to said shell whereby said rings may vibrate independently of said shell.
4 more elements
Dependencies are inferred from the claim text.