Patent ID: 7020907

Claim:
A reclining seat back assembly for a toilet including a tank and toilet base having a bowl formed therein, the seat back assembly comprising: a seat back frame pivotally mounted to a first upper surface portion of the toilet base, the seat back frame including a front surface, a first side edge, a second side edge and a bottom edge proximate to the first upper surface portion of the toilet base, and including a first pin mounted to the first side edge of the seat back frame, the first pin configured to project into the first aperture, and a second pin mounted to the second side edge of the seat back frame, the second pin configured to project into the second aperture, the second pin projecting in a horizontal direction opposite to the first pin to provide a fixed horizontal pivot axis; a cushion mounted to the front surface; at least one button disposed on a side surface of the toilet base, the at least one button accessible by a user of the toilet; a seat back operating assembly coupled to the seat back frame and the at least one button, the seat back operating assembly adapted to allow the user to selectively adjust an upright position of the seat back frame in response to actuation of the at least one button, the seat back operating assembly including a side extension bracket attached to a bottom portion of the first side edge of the seat back frame, the side extension bracket extending to the toilet base, and including a worm gear block attached to the side extension bracket, the worm gear block having a threaded hole disposed therein, a motor assembly electrically coupled to at least one button, and a worm gear drive shaft rotatably coupled to the motor assembly and threadedly coupled to the worm gear block, the worm gear drive shaft sized for receipt by the threaded hole; a first mounted bracket having a first aperture disposed therein, the first mounted bracket fixedly attached to a second upper surface portion of the toilet base, the first mounted bracket proximate to the first side edge of the seat back frame; and a second mounted bracket having a second aperture disposed therein, the second mounted bracket fixedly attached to a third upper surface portion of the toilet base, the second mounted bracket proximate to the second side edge of the seat back frame.