Patent ID: 7032527
Filing Date: 2006-04-25
Classification: A01C

Abstract:
1. A seed planting assembly comprising: a laterally extending tool bar; a planting unit including a planting unit frame supported by the tool bar, wherein the planting unit frame carries: i. a seed trench opening assembly operable to create a seed trench; ii. a seed delivery assembly delivering seeds into the seed trench; and iii. a seed trench closing assembly operable to close the seed trench; a mounting assembly pivotally linking the planting unit frame with the tool bar, wherein the mounting assembly permits the planting unit to raise and lower with respect to the tool bar; and a vertical positioner including a first linkage connected to the mounting assembly, and a second linkage connected to the first linkage at a positioner joint and further in communication with the frame, wherein the second linkage can be actuated to raise the planting unit; wherein the mounting assembly includes an upper and lower beam member, each of which in communication with the tool bar at a forward end, and in communication with the planting unit frame at a rearward end.