Patent ID: 8100193

Claim:
A system, comprising: a packer wheel assembly configured to be disposed rearward of a hoe opener assembly, wherein the packer wheel assembly comprises a packer wheel mounted to a bracket, the packer wheel assembly controls a depth of a valley formed by a hoe opener of the hoe opener assembly while the hoe opener is in a ground engaging position, and the bracket is coupled to a packer wheel arm extending between the bracket and a linkage assembly; and an adjustment mechanism that shifts the packer wheel horizontally from a first position directly behind the hoe opener to a second position rearward of the first position, via a linkage member extending between the packer wheel assembly and a shank coupled to the hoe opener, when the hoe opener encounters an obstruction and moves in a rearward direction toward a disengaged position; wherein the packer wheel assembly comprises an axle rotationally supporting the packer wheel on the bracket via a coupling of the axle and a slot in the bracket, and a biasing member coupled to the axle for urging the packer wheel in a forward direction within the slot.