Motorized pump backpack liquid sprayer
First Claim
Patent Images
1. 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.
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Accused Products
Abstract
A liquid spaying apparatus is formed by a molded plastic generally rectangular container having a forward surface contoured for contacting the back of a user in backpack fashion. A wheel and axle assembly secured to the forward lower portion of a container support panel in cooperation with a handle on the container permits movement of the apparatus in two wheel dolly fashion. An on board battery drives a motor/pump assembly for spraying liquid through a manually controlled wand.
90 Citations
4 Claims
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1. A portable spraying apparatus, comprising;
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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.
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2. A portable spraying apparatus for carrying on the back of a user, comprising;
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a molded liquid single compartment container having opposing forward and rear ward, 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 said support panel, said pump having an inlet port communicating with said sump and having an opposite outlet port connected with a liquid spraying wand; a storage battery supported by the said support panel and operatively connected with said motor for driving said pump. - View Dependent Claims (3, 4)
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Specification