×

Flip-up C-shank standard for a cultivator

  • US 5,531,276 A
  • Filed: 03/10/1995
  • Issued: 07/02/1996
  • Est. Priority Date: 03/10/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. Cultivator shank structure for mounting on a tube, the shank structure adapted for forward movement over the ground and comprising;

  • a mounting bracket;

    a C-shaped shank having a top portion pivotally connected to the mounting bracket for rocking about a transverse axis, the shank also including a lower tool receiving end;

    the mounting bracket including a mounting portion for mating with the tube and sides generally embracing the top portion of the shank; and

    releasable pin structure connected to the mounting bracket for selectively maintaining the shank in a preselected pivotal position corresponding to a working position of the shank, the pin structure when released facilitating upward pivoting of the shank about the transverse axis to a storage position wherein the lower tool receiving end is offset above the transverse axis; and

    wherein the shank is edgebent to provide a narrow profile to soil while the shank is moved forwardly through the soil, and the top portion of the shank includes a widened pivot area, the mounting bracket including a forward mounting portion pivotally supporting the widened pivot area and a narrowed shank embracing portion rearwardly of the pivot area for receiving an edgebent portion of the shank and providing transverse stability to the shank.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×