Patent ID: 8016262

Claim:
A flush apparatus, comprising: a valve body having a water inlet and a water outlet; a water valve comprising a diaphragm member sealing between said water inlet and said water outlet, and a diaphragm shaft extended from said diaphragm member to move said diaphragm member between a sealed position and an unsealed position; an operation device comprising a driving unit and a retention ring coupled with said valve body, wherein said driving unit comprises a pushing platform movably disposed in said retention ring and a plunger pin extended from said pushing platform towards said diaphragm shaft; and a driving mechanism, which comprises: an actuation housing having an actuation channel coupling with said retention ring; a manual actuation unit which comprises a push button movably mounted at said actuation housing and a manual plunger arm transversely extended along said actuation channel from said push button towards said pushing platform, wherein when said push button is manually pressed, said pushing platform is pushed by said manual plunger arm to move said diaphragm member at said unsealed position; and an automated actuation unit which comprises a motorized unit received in said actuation housing and an automated plunger arm transversely extended along said actuation channel, wherein when said motorized unit is activated in responsive to a presence of a user, said automated plunger arm is driven by said motorized unit to move towards said pushing platform, such that said pushing platform is pushed by said automated plunger arm to move said diaphragm member at said unsealed position.