Patent ID: 6931970

Claim:
A roller shade cutting machine comprising: a base having a top and a bottom; a track assembly mounted on the top of the base and comprising a stationary track mounted vertically on the top of the base and having a top end and a bottom end fastened on the top of the base; an adjustable track slidably mounted on the stationary track and comprising an adjustable bar with a top end, a bottom end and a front slidably mounted on the stationary track, a top shade holder attached at the top end of the adjustable bar and having a rolling holder, and a ruler attached to the front the adjustable bar; and an indicating device mounted on the stationary track to indicate a scale of the ruler and interlock the adjustable bar with the stationary track in position; a slat cutting device mounted on the stationary track; a shade holder mounted on the stationary track and comprising a stationary base fastened on the stationary track and having a longitudinal through hole; and a chuck rotatably mounted in the longitudinal through hole of the stationary base and comprising a turning table rotatably mounted in the longitudinal through hole of the stationary base and having a top, a bottom, a central through hole with a center defined through the top and the bottom of the turning table and aligned with the rolling holder; and a clamping device mounted on the top of the turning table and having a first jaw and a second jaw that are self-centering toward the center of the central through hole of the turning table; a shade cutting device mounted on the stationary track below the stationary base of the shade holder and comprising a cutter mounting frame fastened on the stationary track and having a top; a cutter stationary block mounted on the top of the cutter mounting frame and having a top; a cutter sliding block slidably mounted on the top of the cutter stationary block and having a top; a cutting blade demountably mounted on the top of the cutter sliding block at a position being a datum for the ruler; and a cutting handle connected to the cutting sliding block to move the cutting blade to cut; and a power assembly mounted on the stationary track to spin the turning table.