Patent ID: 7721663

Claim:
Seeding apparatus to be advanced over the ground while depositing a stream of seed from each of a plurality of ground opening and seed depositing assemblies, said apparatus comprising an advanceable support, ground opening and seed depositing assemblies arrayed on said advanceable support in one or more at least substantially transversely extending banks with respect to an advancement locus, each said ground opening and seed depositing assembly including a swinging arm from said advanceable support, a ground opening disc having concave and convex sides, a bearing assembly for the disc, said bearing assembly being located in a concavity of the concave side, a mounting member extending from a trailing part of the swing arm and conforming over part of the convex side of the disc and connecting to said bearing assembly, and a seed deposition tube at least as part of, or carried by, said mounting member to receive and deposit seed adjacent the convex side of the disc into a trough opened by the disc, said seed disposition tube being contoured to a convexity of the convex side of the disc and being attached to the bearing assembly so as to minimize space between adjacent ground opening and seed depositing assemblies.