Patent ID: 7119263

Claim:
A drum head tension control device mounted on an outside surface of a cylindrical drum shell ( 40 ) between two drum hoops ( 50 ), the drum head tension control device comprising: a mounting post ( 10 ) adapted to be mounted on a cylindrical drum shell ( 40 ) and having a proximal end adapted to be attached to the cylindrical drum shell ( 40 ); and a distal end; two connectors ( 20 ) being tubular and attached pivotally to the mounting post ( 10 ), and each connector ( 20 ) having open distal end; a closed proximal end attached pivotally to the mounting post ( 10 ); and a threaded hole ( 22 ) defined coaxially through the open distal end; and two adjusting bolts ( 30 ) being threaded, adapted to be mounted respectively through holes respectively in opposite drum hoops ( 50 ) and screwing respectively into the threaded holes ( 22 ) in the connectors ( 20 ), and each adjusting bolt ( 30 ) having a distal end; a proximal end; a flange ( 31 ) formed around the adjusting bolt ( 30 ) near the distal end for abutting and holding the corresponding drum hoop ( 50 ).