Convertible pinch wheel closing system for agricultural planter

Abstract

An agricultural planting apparatus including a chassis; and a row unit carried by the chassis. The row unit includes a unit body carried by the chassis; a metering device carried by the unit body; at least one furrowing disc carried by the unit body; a biasing element carried by the unit body that is selected from the group consisting of an extension spring, a compression spring, and a cylinder; and a pair of pinch wheels carried by the unit body behind the at least one furrowing disc and including an axle assembly pivotally movable relative to said unit body and connected to said biasing element. The axle assembly is configured to readily connect to any of the group members of the biasing element.

Dependencies are inferred from the claim text.