Patent ID: 7314012

Claim:
Apparatus for preparing an elongate soil bed for planting, the bed including a top having a first lower elevation and a second higher elevation, the apparatus comprising (a) a primary frame ( 11 ) adapted to be moved along the ground in a selected direction of travel; (b) an auxiliary frame ( 15 ) mounted on said primary frame for movement between at least two operative positions, (i) a first lower operative position, and (ii) a second upper operative position; (c) at least one ground engaging disk ( 48 ) mounted on said auxiliary frame and placed beneath said auxiliary frame to engage the top of the soil bed and to move soil off the top of the soil bed; (d) at least one ground engaging tracking wheel ( 39 ) rotatably mounted on said auxiliary frame forwardly of said disk and spaced beneath said auxiliary frame to contact the top of the soil bed and to move along the top of the soil bed ahead of said disk when said primary frame moves along the ground in said selected direction of travel; (e) spreader bars ( 56 , 57 ) mounted on said auxiliary frame rearwardly of said disk and spaced beneath said auxiliary frame to contact the top of the soil bed and to level the top of the bed; said tracking wheel and disk moving simultaneously with said auxiliary frame when said auxiliary frame moves from said first to said second operative position; and, said tracking wheel upwardly displacing said auxiliary frame from said first to said second operative position when said tracking wheel moves from said first lower elevation to said second higher elevation on said bed.