Coulter fertilizer applicator unit
AssigneeUnverferth Manufacturing Company, Inc.
InventorsRay Rawson, Allen Rawson
Life of this patent
Estimating the term…
Abstract
A seedbed preparation apparatus attachable to existing seed planting devices comprising a coulter cart. The apparatus is designed to lessen the number of passes required to prepare and plant a field. Fertilizer delivery is provided to the soil raised by the coulter wheels. The fertilizer injector nozzles are secured to flexible mounting devices to permit the nozzle to move in accordance with the terrain preventing clogging or stoppage of the nozzles.
Claims7
For use with a frame adapted to be moved over soil to be tilled and fertilized, a coulter fertilizer applicator unit comprising:
- a support post mounted on the frame;
- a coulter wheel flexibly mounted on said support post for tilling engagement with soil over which the frame is moved to form a seedbed therein;
- a support arm having a forward end secured to said post and extended rearwardly thereof, a rear end of said support arm disposed rearwardly and beyond said coulter wheel, said support arm being relatively inflexible;
- an elongated spring element having a coiled head at an upper end secured to said support arm rear end, said spring having a free, lower end of a length sufficient to engage the soil in a trailing, non-tilling manner, said lower end flexing with the contour of the soil over which said unit is passing;
- and
- means attached to said spring free end for applying fertilizer within the seedbed.
For use with a frame adapted to be moved over soil to be tilled and fertilized, a coulter fertilizer applicator unit comprising:
- a support post mounted on the frame;
- a coulter wheel flexibly mounted on said support post for tilling engagement with soil over which the frame is moved to form a seedbed therein;
- a support arm having a forward end secured to said post and extended rearwardly thereof, a rear end of said support arm disposed rearwardly and beyond said coulter wheel, said support arm being relatively inflexible;
- an elongated spring element having a coiled head at an upper end secured to said support arm rear end, said spring having a free, lower end of a length sufficient to engage the soil in a trailing, non-tilling manner, said lower end flexing with the contour of the soil over which said unit is passing;
- and
- means attached to said spring free end for applying fertilizer within the seedbed and capable of moving with said free end during the flexing thereof.
Dependencies are inferred from the claim text.