Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 24, 2010
Patent Application Number
12418961
Date Filed
April 6, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A drumhead assembly comprising a drumhead membrane fixed within an annular ring and a tensioning ring for tensioning the membrane, located within the annular ring and against the drumhead membrane, comprising a cylindrical rod formed in a circular, flat configuration and a tensioning member for maintaining the tensioning ring in a pre-tensioned configuration. The tensioning member can be adjustable, as in the form of a turnbuckle, so as to vary the diameter of the tensioning ring, or fixed, as in the form of a spacer, so as to maintain the tensioning ring at a predetermined diameter.
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