Patent ID: 7588091

Claim:
A shank for a towable agricultural implement, comprising: a shank body having an upper portion for mounting to said towable agricultural implement and a lower portion, the shank body partially defined by a first leading edge having a first width, said shank body is curved between the upper portion and the lower portion; an adapter having a main adapter body; said adapter having a second leading edge having a second width; said main adapter body having a bore extending through the main adapter body along an axis that is orthogonal to the second leading edge and a mounting flange angled and extending downwardly from said main adapter; said main adapter body having a shank receiver in an upper portion of said main adapter body; said main adapter body having a seed tube; a first elongated locking pin adapted to fit into bore to mount said adapter to said shank; and an agricultural tool having a third leading edge having a third width fastens to said mounting flange by a second locking pin; wherein said third width is generally equal to the first and second width.