Patent ID: 7857172
Filing Date: 2010-12-28
Classification: B05B

Abstract:
1. A pump, comprising: an elongated draw tube having a lower end inlet and an upper end portion; a piston in said draw tube adapted to slide up and down in the draw tube; a piston rod connected the piston and projecting upwardly from the piston and out from the draw tube; a valve in said draw tube adapted to close when the piston moves downwardly into the draw tube, and to open when the piston moves upwardly in the draw tube; and a mounting cap for the pump adapted to connect to a neck of a first container of a first size, and also connect to a neck of a second container of a second, larger size; said mounting cap having a top wall, an inner cylindrical wall extending axially downwardly from the top wall, and an outer cylindrical wall extending axially downwardly from the top wall concentrically outwardly of the inner cylindrical wall; said inner cylindrical wall having internal threads for connecting the cap to the external threads on the neck of the first container, with the draw tube extending downwardly into the first container; said second cylindrical wall having internal threads for connecting the cap to external threads on the neck of the second, larger container, with the draw tube extending downwardly into the second container; and said mounting cap being mounted on and rotatable about the draw tube and retained against up and down movement along the draw tube.