Patent ID: 6067667
Filing Date: 2000-05-30
Classification: A47K

Abstract:
A semi-automatic operator for a toilet bowl seat or seat lid comprising:a hinge case installed on a toilet bowl body;a rotating shaft supporting one of a seat and seat lid of the toilet bowl openably and closeably;an output gear mounted on the rotating shaft;a fluid damper having a damper gear in mesh with the output gear;a reduction gear coupled to the output gear by means of a torque limiter;a motor coupled to the reduction gear; anda drive circuit for driving the motor in a range from an opened angle to a predetermined closed angle of the seat or seat lid, the drive circuit being provided with a sensor to detect an operation made to open the seat or seat lid, and a timer which is turned on by the sensor to turn on the drive circuit after a predetermined time following the sensor detecting the operation.