Patent ID: 8291527

Claim:
A drive apparatus for driving a nozzle of a bidet toilet, the drive apparatus comprising: a base; a nozzle; a guide device formed on the base for guiding linear movement of the nozzle; a motion output device having an output shaft; a driving wheel attached to the output shaft and being rotatably driven with the output shaft; a pair of guide wheels rotatably fixed relative to the base; a non-toothed conveyer wound around the driving wheel and the guide wheels and fastened to the nozzle whereby rotation of the driving wheel causes linear movement of the nozzle; and a tensioner which is attached to the base and presses against the conveyer to keep the conveyer under tension, wherein the tensioner comprises a bracket attached to a seat of the base, a tension wheel rotatably mounted to the bracket, and a spring compressed between the bracket and the seat to urge the tension wheel to press against the conveyer to maintain tension in the conveyer.