Motorized pump backpack liquid sprayer

A portable spraying apparatus, comprising;

• a substantially rectangular molded liquid single compartment container having opposing forward and rearward, side, top and bottom walls, said forward wall having a concave surface, generally vertical when in use, contoured for abutting relation, when carried, on the back of a user, said top wall having a cap closed filler opening;
• a liquid receiving sump depending from said bottom wall;
• a container support panel, coextensive with the spacing between said side walls, vertically depending from said bottom wall on opposite sides of said sump, said support panel having a horizontal support edge;
• a motor driven pump secured to the rearward surface of said support panel, said pump having an inlet port communicating with said sump and having an opposite outlet port;
• a manually operated liquid spraying wand connected with the outlet port;
• a storage battery supported by the rearward surface of said support panel and operatively connected with said motor for driving said pump;
• a container support housing secured to said support panel for shielding said battery and said motor driven pump, said housing comprising a back panel and side panels respectively depending from said container back wall and side walls;
• a housing bottom panel underlying said housing back panel and side panels;
• an axle support projecting forwardly and downwardly from the lowermost portion of said support panel and terminating in a horizontal support portion in the plane of the support panel support edge;
• an axle horizontally supported by said axle support;
• a pair of wheels journaled by respective end portions of said axle;
• and,
• an inverted U-shaped handle having legs slidably supported on respective sides of said container for manual mobile movement of said apparatus on a supporting surface in two wheel dolly fashion.