US Patent 10894639 Container and cap assembly

A fluid delivery system for selectively dispensing a material includes a container with a top wall in which an opening is formed, a bottom wall, and at least one container side wall extending between the top wall and the bottom wall defining a cavity for storing the material, as well as a surface cleaning apparatus including a receiver configured to couple with the container. The receiver includes at least one receiver fluid inlet, at least one receiver fluid outlet and a locking mechanism.