Patent ID: 8359987

Claim:
A spindle for a gauge wheel assembly of a disc opener unit for a disc drill apparatus, comprising: an elongated body disposed between a first end adapted to engage a gauge arm of the gauge wheel assembly and a second end adapted to engage a depth adjustment arm of the gauge wheel assembly; a frame receiving the spindle therethrough, the frame including at least one notch formed therein; a shoulder extending from an exterior surface of the body, the shoulder constructed to limit axial movement of a bearing of the gauge wheel assembly that is placed on the body; and a handle having at least one tooth projecting therefrom and being operatively connected to an outer end of the depth adjustment arm, the handle being moveable between a first position wherein the tooth is disengaged from at least one notch in the frame such at the depth adjustment arm is free to be selectively positioned at one of a number of depth setting positions and a second position; wherein the depth adjustment arm further includes a tooth adapted to be received in each of the notches to position the depth adjustment arm at a selected depth setting position.