Patent ID: 8316627
Filing Date: 2012-11-27
Classification: A01D

Abstract:
1. A weed cutter comprising: a rotatable housing rotatably affixed to a rear of a tractor and pulled behind the tractor, the housing comprising: a rotating shaft coincident with a central axis, the rotating shaft receiving rotation from a rear power take-off of the tractor; a sun gear rotating around the central axis, wherein the sun gear receives rotation from the rotating shaft; a hollow shaft sleeve spaced-apart from a top plate of the housing by a plurality of support arms such that a bottom end of the shaft sleeve terminates above the top plate of the housing, the shaft received by and rotatable within the sleeve; a plurality of planetary gears rotatably connected to the sun gear, wherein the planetary gears rotate around the sun gear as the sun gear rotates; an edge guard around the perimeter of the housing; at least one cutting blade associated with each planetary gear and disposed beneath the housing, wherein each cutting blade rotates when its respective planetary gear rotates, wherein when the edge guard contacts an object, the housing begins to rotate around the object and the cutting blades cut weeds adjacent to the object, and wherein the cutting blades are not extendable into the earth.