Drum with membrane support rings
OwnerTullio Granatelloinventor
Life of this patent
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Abstract
A drum of the type including a casing (1), with which along at least one end edge (1A) thereof there is associated a membrane (3). With the edge (1A) there is associated at least one annular element (2; 9) allowing the membrane (3) to rest correctly on the edge of the casing (1).
Claims20
In a drum of the type comprising a casing having an exterior surface, an interior surface and an end edge extending between said exterior and interior surfaces, and a membrane associated with said end edge, the improvement comprising, at least one annular element interposed between said end edge and said membrane, said at least one annular element being arranged to cover said end edge thereby allowing the membrane to rest indirectly on said end edge of the casing and wherein a portion of said at least one annular element extends over said exterior surface of said casing adjacent said end edge.
A musical drum, comprising:
- a casing defining an interior opening and having an exterior surface, an interior surface and an edge extending between said exterior and interior surfaces;
- at least one annular member arranged in connection with said casing to cover said edge of said casing such that a portion of said at least one annular member extends over said exterior surface of said casing adjacent said edge;
- and
- a membrane extending over said at least one annular member such that said membrane substantially covers said interior opening of said casing and rests indirectly on said edge.
Dependencies are inferred from the claim text.