Patent ID: 7118050
Filing Date: 2006-10-10
Classification: B05B

Abstract:
1. A sprayer with a changeable volume comprising: a container comprising an upper wall and a lower wall connected to the upper wall, with the lower wall being a rigid structure including a bottom peripheral partition extending upwardly to a bottom height from a bottom partition, with the upper wall including an upper peripheral partition extending downwardly from an upper partition, with the bottom and upper peripheral partitions of the upper and lower walls being interconnected to define a space for containing water, with the upper peripheral partition of the upper wall being expandable between a compressed height less than the bottom height and an extended height greater than the bottom height; a pump in the space defined in the lower wall and within the bottom height; a first pipe led to the pump from the space; a second pipe led to the exterior of the container from the pump; and a nozzle connected to the second pipe.