Patent ID: 6240573
Filing Date: 2001-06-05
Classification: E03D

Abstract:
A detergent dispensing apparatus, mounted in a cistern of a toilet containing water with a water level, said detergent dispensing apparatus comprising:a container, storing liquid detergent, having a lower end with an entrance;a membrane, having an upper side, facing said container, a lower side with a central, downward extending projection, a relatively thick periphery as a reinforcement and one or several holes between said projection and said periphery, said membrane at said periphery being mounted on said entrance of said container;a floating body, shaped like a cup turned upside down, having a lower end and a cone-shaped top area which is connected with said projection of said membrane; anda casing, having an upper end with an inner thread which is mounted on said entrance of said container, a peripheral wall with ventilating holes close to said upper end, and a bottom with a central outlet hole and an upward extending positioning ring, said floating body being accommodated inside said peripheral wall, with said lower end thereof outside said positioning ring, and with a buffer space left between said peripheral wall and said floating body;wherein said floating body is pushed upward when said cistern is refilled with water, bending said membrane upward, resulting in a certain quantity of detergent flowing out of said container.