Patent for a new and improved stove-pipe damper. This design consists in "[t]he combination, with a damper-blade with a spindle rigidly attached thereto and having at one end a cylindrical pivot projecting beyond the periphery of the blade, and at the opposite end a screw projecting beyond said periphery, of a supporting-ring in which the projecting ends of said spindle are journaled, the bearing of the cylindrical end of said spindle being in an inwardly-bent portion of said supporting-ring" (lines 50-59).