Push-button operating mechanism for a water closet

Push button apparatus for operating a flush valve or the like of a water closet, comprising:

• button actuator means including a button and housing, said housing having a shank for passing through an opening in a water closet tank wall, said button having an actuator within and reciprocally movable relative to said housing shank, said button actuator including flexible bifurcated shank means, at least one shank means having a laterally enlarged end portion engageable with said housing shank to prevent unintended separation of said button form said shank, at least one of said bifurcated shank means including a groove on the inside surface thereof, and said button actuator including a cam element having a shank, said cam shank having a lateral end portion adapted to mate with said groove;
• bracket means;
• means for securing said bracket means in operative association with said button shank in a predetermined orientation therewith;
• lever arm means;
• means for actuating said lever arm means;
• means on said bracket means and said lever actuating means for mounting said lever actuating means for pivotal movement relative to said bracket means upon reciprocal movement of said button actuator operatively contacting said lever actuating means;
• said mounting means comprising pivot means and pivot socket means, means providing lateral access to said socket means, said pivot means being constructed such that it can be assembled with said socket means translationally through said access means when said pivot means is in a predetermined orientation with respect to said access means.