Patent ID: 8517077

Claim:
An automatic taper for drywall comprising: a generally cylindrical body having a first end and a second end; a nozzle having a top, a bottom and an interior wherein the bottom of the nozzle is attached to the second end of the body; a removable cover plate temporarily secured to the nozzle wherein the removable cover plate directs a mud or mastic through the interior of the nozzle; wherein the removable cover plate has a top, a bottom, a front, a back, a first side and a second side and wherein the back of the removable cover plate faces the interior of the nozzle while the removable cover plate is secured to the nozzle; and a brace located on the back of the removable cover plate wherein a shaft extends outward from the brace and wherein the shaft has a generally flat circular surface which contacts a piston and wherein the movement of the piston activates the taper.