Patent ID: 9044763
Filing Date: 2015-06-02
Classification: A01C,A01M,B01F,B05B

Abstract:
1. A chemical dispensing apparatus for use in delivery of a treatment solution to a lawn, the apparatus comprising: a main fluid supply passage configured for connection to a pipe system carrying water under pressure; a housing including an internal cavity, an end having an opening into said internal cavity, a discharge port and a drain port; a fluid discharge passage connecting said discharge port and said internal cavity; an internal fluid supply passage connecting said main fluid supply passage to said internal cavity; a drain passage connecting said internal cavity to said drain port; a float valve disposed across said drain passage and across said internal fluid supply passage, said float valve including a float that is displaced by a fluid flow through said internal fluid supply passage from said main fluid supply passage from a first position where said drain passage is open and said internal fluid supply passage is sealed by said float to a second position where said internal fluid supply passage is open and said drain passage is sealed by said float, said float returning to said first position when said fluid flow is stopped; a container removably disposed within said internal cavity and supported for rotation therein about a vertical axis, said container configured for the reception of a chemical concentrate, said container having vanes extending the circumference thereof; a nozzle disposed across said internal fluid passage and arranged to direct a jet of water at said vanes, the impingement of said jet of water on said vanes causing said container to rotate about said vertical axis; and a lid removably attached to said housing, said lid sealing said opening into said internal cavity when attached to said housing.