Patent ID: 6746166
Filing Date: 2004-06-08
Classification: A46B,A47L

Abstract:
An apparatus for cleaning a surface comprising:a collection tank having a first chamber and a second chamber, said first chamber and said second chamber having a top end and a bottom end; at least one first check valves connecting said first chamber and said second chamber such that a first fluid flows between said second chamber and said first chamber; at least one second check valves located at said top end of said first chamber such that a second fluid flows between inside of said first chamber and outside of said first chamber; and a piston chamber within said first chamber, said piston chamber having a piston located within, a rod coupled at a first end to said piston and at a second end to a pump handle located outside of said first chamber, said piston being movable in a first direction and a second direction within said piston chamber by actuation of said pump handle.