CONVERTIBLE PINCH WHEEL CLOSING SYSTEM FOR AGRICULTURAL PLANTER

摘要

An agricultural planting apparatus including a chassis; and a row unit carriedby thechassis. The row unit includes a unit body carried by the chassis; a meteringdevice carried bythe unit body; at least one furrowing disc carried by the unit body; a biasingelement carried bythe unit body that is selected from the group consisting of an extensionspring, a compressionspring, and a cylinder; and a pair of pinch wheels carried by the unit bodybehind the at least onefurrowing disc and including an axle assembly pivotally movable relative tosaid unit body andconnected to said biasing element. The axle assembly is configured to readilyconnect to any ofthe group members of the biasing element.