Patent ID: 9226437
Filing Date: 2016-01-05
CPC Classification: A01B,A01C

Claim Text:
1. An applicator attached to a support frame for depositing fertilizer beneath the soil surface with minimum soil displacement, said applicator comprising: a spring-cushioned, conical-shaped coulter having a circular outer periphery and wavy first and second opposed lateral surfaces and pivotally attached to the support frame about an offset axis to allow said coulter to swivel relative to the direction of travel of the applicator, wherein a forward portion of said coulter is closely aligned with the direction of travel of the applicator and an aft portion of said coulter is angularly offset from the applicator's direction of travel and displaces the soil laterally relative to the applicator's direction of travel in forming a furrow in the soil; a sweep shank attached to the support frame and extending rearwardly and downwardly and having first and second opposed ends, wherein said first end is attached to the support frame and said second end is disposed adjacent the soil surface and is aligned with said coulter along a direction of travel of the support frame; a sweep attached to the second end of said sweep shank and disposed aft of said coulter in said furrow, said sweep having left and right side wings extending substantially horizontally for respectively forming left and right lateral extensions in a lower portion of the furrow; and a delivery tube attached to said sweep shank and disposed aft of said sweep for depositing fertilizer in the furrow.