Add to ORKGPatent for a new and improved cultivator. This design consists in "[t]he combination of the beams having the arms provided with the openings, the beams having openings concentric with [the arms'] openings, the standards, the bolts pivoting the latter to the arms and extending through the openings, the plates having their lower ends secured on said pivotal bolts and adapted to engage the rear sides of the standards, the triggers, and the bolts to pivot the said triggers to the beams, said bolts being adapted to pass through either of the [beams'] openings" (lines 3-13)