Drummer's throne

Claim 1

A DRUMMER''S THRONE, COMPRSING IN COMBINATION, A BASE MEMBER INCLUDING A TUBULAR VERTICAL COLUMN CENTERED THEREIN, OPEN AT THE TOP, THE COLUMN HAVING AN ANNULAR BEARING SURFACE AT THE UPPER END THEREOF AND A PERIPHERAL CIRCULAR TRACK OF CUT IN THE OUTER FACE THEREOF, SPACED DOWNWARDLY OF SAID BEARING SURFACE; A THREADED SUPPORT ROD TELESCOPICALLY JOURNALED IN THE COLUMN, FOR FREE ROTATION THEREIN; A SEAT DETACHABLY MOUNTED ON THE UPPER END OF THE SUPPORT ROD; A BEARING BLOCK CO-AXIALLY MOUNTED ON THE SUPPORT ROD INTERMEDIATE THE ENDS THEREOF, THE BEARING BLOCK HAVING AN ANNULAR BEARING SEATE ADAPTED TO RIDE ON THE COLUMN END BEARING SURFACE, AND AN ABUTTING CYLINDRICAL SLEEVE ADAPTED TO SNUGLY FIT OVER THE END OF THE COLUMN IN A RUNNING FIT AND COVER THE TRACK THEREAT; THREADED CLAMP MEANS FORMED INTEGRAL WITH THE BEARING BLOCK FOR LOCATING AND LOCKING THE BEARING BLOCK AT ADJUSTED POSITIONS LENGTHWISE OF THE ROD TO DETERMINE THE HEIGHT OF THE SUPPORTED SEAT ABOVE THE BASE; AND, AN INTERLOCK PIN MOUNTED IN THE BEARING BLOCK SLEEVE, EXTENDING INTO THE COLUMN TRACK, AND ADAPTED TO PREVENT RELATIVE LONGITUDINAL MOVEMENT BETWEEN THE ROD AND COLUMN, WHILE PERMITTING FREE RELATIVE ROTATION THEREBETWEEN.