Quick attachable planter disk depth drums

Claim 1

In a planter having a pair of disc furrow openers and depth bands to control the depth of cut of the disc furrow openers, a device for quick attachment of the depth bands to the disc comprising: generally rectangular openings formed in said disc; bolt members having a substantially rectangular head portion, a threaded portion, and a substantially square neck portion therebetween; a bolt retaining member including, a retaining member surface for abutment against said disc, a substantially square opening formed in said bolt retaining member to receive the threaded portion and the substantially square neck portion of said bolt member, and lugs diametrically located with respect to and extending axially of said opening to thus provide a space therebetween conforming to the said square neck portion and said rectangular head portion of said bolt, said lugs extending through and conforming to said generally rectangular opening formed in said disc when said retaining member surface is abutted against said disc; the substantially rectangular head portion of said bolt member adapted to be inserted through said generally rectangular opening formed in said disc and rotated 90* such that said square neck portion and said rectangular head portion can be received between and retained from rotation by said lugs; fastening means received by the threaded portion of said bolt to secure the bolt member to the disc; apertures formed in said depth bands for receiving the threaded portion of said bolts; and fastening means received by the threaded portion of said bolt for fastening said deptH bands to said disc.