Patent ID: 6895876

Claim:
A seed drill element for mounting on a chassis for driving relative to the ground, the element being of the type comprising: a frame for fixing to the drive chassis; a seed tank; a seed dispenser; a member for opening a furrow in the ground, said member guiding seeds coming from the dispenser to the bottom of the furrow; means for pressing on the ground and comprising a rear block and a front block, each block having at least one wheel together with at least one arm hinged to the frame and connecting said at least one wheel to the frame; and topsoiling means comprising at least one rear link and at least one front link hinged relative to the frame together with an intermediate link interconnecting the front and rear links, wherein the topsoiling means further comprise a mechanism for moving the rear link relative to a reference part connected to the frame, and wherein the element includes means for selectively locking the rear arm to the rear link, the reference part to the frame, or the rear arm to the reference part, such that that when the reference part is locked to the frame and the rear arm is locked to the rear link, the topsoiling means are in a rear topsoiling configuration, and when the rear arm is locked to the reference part, the topsoiling means are in a rocker topsoiling configuration.