Protective overcap and stop means for a dispenser

Claim 1

IN A CONTAINER MOUNTED DISPENSING PUMP OF THE CLASS IN WHICH THE PUMP CYLINDER IS FIXEDLY SUPPORTED WITHIN THE CONTAINER, AND THE PUMP PLUNGER IS SPRING PROJECTED AXIALLY UPWARDLY FROM THE CYLINDER THROUGH THE CONTAINER MOUTH FOR ACTUATION BY INTERMITTENTLY APPLIED PRESSURE ON ITS UPPER END, SAID PLUNGER INCLUDING A LATERALLY DIRECTED DISCHARGE OUTLET ABOVE THE CONTAINER, THE COMBINATION WITH THE SAID PUMP OF A PROTECTIVE OVERCAP OF INVERTED CUP-LIKE CONFIGURATION AFFIXED TO THE PLUNGER FOR AXIAL MOVEMENT THEREWITH AND HAVING A DEPENDING TUBULAR SKIRT RECEIVING AND ENCLOSING THE UPWARDLY PROJECTING PORTION OF SAID PLUNGER, SAID SKIRT BEING PROVIDED WITH AN APERTURE ALIGNED WITH SAID LATERALLY DIRECTED DISCHARGE OUTLET TO PERMIT THE DISPENSING OF LIQUID MATERIALS FROM THE CONTAINER THROUGH SAID APERTURE, SAID SKIRT ALSO DEPENDING AROUND AND BEING GUIDED ON SAID CONTAINER FOR MOVEMENT WITH THE PLUNGER, AND MEANS CARRIED BY THE PROTECTIVE OVERCAP FOR POSITIVE AXIAL ABUTMENT WITH THE CONTAINER WHEN THE PLUNGER IS FULLY DEPRESSED, TO THEREAFTER TRANSMIT DOWNARDLY APPLIED FORCES FROM SAID OVERCAP TO THE CONTAINER RATHER THAN TO SAID PLUNGER.