Patent ID: 6152240
Filing Date: 2000-11-28
Classification: A01B,A01D

Abstract:
In a moveable support for an attachment for an agricultural machine, the moveable support having a supporting wheel which is rotatably mounted on a carrying arm, the improvement comprising:pivot bearing means on the attachment and upon which the carrying arm is pivotally mounted for pivoting around two axes which are perpendicular to each other, the pivot bearing means having a substantially horizontal and stationary journal a bearing pin having a longitudinal axis generally perpendicular to a center longitudinal axis of the journal, a means for pivotally mounting the bearing pin about the center longitudinal axis of the journal, the longitudinal axis of the bearing pin substantially intersecting the center longitudinal axis of the journal at the means for pivotally mounting the bearing pin, means for pivotally mounting the carrying arm on the bearing pin, the pivot bearing means being so constructed and arranged that the supporting wheel is first pivoted about one of the axes into a free space in proximity to the attachment and subsequently pivoted about the other axis which is perpendicular to said one axis to move the supporting wheel to a position out of contact with the ground.