Patent ID: 7213523
Filing Date: 2007-05-08
Classification: A01C

Abstract:
1. A ground working apparatus for dispensing an agricultural additive to a soil, the ground working apparatus mounted to a tool bar that is operable to be towed across an agricultural field in a forward direction of travel, comprising: a coulter blade supported from the tool bar and configured to engage the soil; a knife element positioned rearward from the coulter blade relative to the forward direction of travel; at least one conduit mounted at the knife element and operable to dispense the agricultural additive to the soil; at least one conduit mount plate configured to attach the at least one conduit at the knife element, wherein removal of the at least one conduit mount plate and at least one conduit from the implement does not cause removal of the knife element from the implement; a swing arm pivotally supported from the tool bar and in rotational support of the coulter blade; and a support aim having a forward end and a rearward end relative to the forward direction of travel, wherein the forward end of the support arm is affixed to the swing arm, and wherein the rearward end of the support arm is mounted at an upper end of the knife element, wherein the rearward end of the support arm includes a first pair of arm openings in general vertical alignment and generally parallel to a second pair of arm openings located adjacent thereto, and wherein the upper end of the knife element includes a first elongated knife opening located adjacent and generally parallel to a second elongated knife opening, each first and second knife openings extending in a generally vertical direction, and wherein one of the first and second knife openings is configured to align with one of the first and second pair of aim openings of the support arm so as to receive a fastener therethrough operable to variably position the knife element along a length of the support arm.