Drum

Claim 1

A SHELL-LESS DRUM COMPRISING AN ANNULAR RIM OF RIGID CONSTRUCTION, AN ANNULAR RIB ON THE INTERNAL SURFACE OF SAID RIM SECURED RIGIDLY THERETO AND SPACED INWARDLY FROM THE TWO EDGES THEREOF, A DISC-SHAPED HEAD, A RIGID RING SECURED TO THE PERIPHERY OF SAID HEAD AND SEATING ON ONE SIDE OF SAID RIB, A TENSIONING RING OF SMALLER DIAMETER THAN SAID FIRST MENTIONED RING CONTACTING THE SIDE OF SAID HEAD OPPOSITE SAID RIB, A PLURALITY OF HEAD TENSIONING FIXTURES ATTACHED TO THE INSIDE OF SAID RIM, EACH HAVING AN ADJUSTMENT SCREW FOR ENGAGINGH SAID TENSIONING RING FOR URGING THE HEAD PERIPHERAL RING AND TENSIONING RING APART AND THEREBY INCREASING THE TENSION ON THE HEAD, A SNARE DEVICE MOUNTED ON SAID DRUM INCLUDING A BAR PIVOTALLY MOUNTED AT ONE END ON SAID TENSIONING RING AND RELEASABLY MOUNTED AT THE OTHER END OF SAID TENSIONING RING AND EXTENDING THEREACROSS, A PLURALITY OF SNARES EXTENDING PARALLEL WITH SAID BAR AND SUPPORTED THEREON ADJACENT THE HEAD BY A FIXTURE AT EACH END MOVABLE TOWARD AND AWAY FROM THE HAD, AN ADJUSTMENT MEANS CARRIED BY SAID BAR AND CONTACTIN SAID LAST MENTIONED FIXTURES FOR MOVING SAID SNARES TOWARD AND AWAY FROM SAID HEAD, AND A LATCH MEANS FOR RELEASABLY RETAINING SAID SNARE DEVICE IN OPERATING POSITION AGAINST SAID HEAD.