Patent ID: 7410005
Filing Date: 2008-08-12
Classification: A01C

Abstract:
1. An agricultural ground working apparatus, the apparatus comprising: a mounting bracket adapted for attachment to an implement frame for movement along the ground in an operating travel direction; a shank pivotally attached at an upper portion thereof to the mounting bracket about a shank pivot axis oriented transverse to the operating travel direction, the shank extending downward from the mounting bracket to a lower end thereof adapted for engaging the ground; right and left disc arms pivotally attached at upper portions thereof to the mounting bracket about corresponding right and left arm pivot axes oriented transverse to the operating travel direction such that the disc arms pivot about the arm pivot axes without moving the shank and the shank pivots about the shank pivot axis without moving the disc arms, the disc arms extending rearward and downward from the mounting bracket on each side of the shank; and right and left discs rotatably attached to lower portions of the corresponding right and left disc arms.