Disc trench filler for a no-till planter

Claim 1

In a no-till planter having a disc opener of a known width arranged to form a shallow trench in the soil of a field to be planted, a hopper and a metering device for delivering seeds from the hopper to the trench formed by the disc opener; support means extending outwardly from said planter, a trench filler comprising a unitary disc journaled on said support means in trailing alignment with said disc opener, said disc having a peripheral edge, a plurality of individual alternately arranged opposite outwardly curving segments each integrally joined to the peripheral edge of said disc at the root of said segment, said segments each being curved in at least two planes and each being located immediately adjacent one another with said disc peripheral edge being formed entirely by said segment roots and adjacent segments are joined together solely at the roots thereof, the transverse spacing of the outermost edges of said curved segments being at least as great as the width of said disc opener and the shallow trench formed thereby so that the segments engage and move portions of the soil from the sides of the trench into the same.