SAFETY DEVICE OF SOIL-TILLING IMPLEMENT Russian patent published in 2012 - IPC A01B61/04 

FIELD: agriculture.

SUBSTANCE: safety device comprises a body rigidly mounted on the frame, with a spring mounted in it, based on the upper cover; a damper on the lower cover and a rod with a thread cut on it. At the end of the rod in the bearings a spherical disk is mounted. In the screw thread cut in the cylindrical body the spheres are fitted with the possibility of L-shaped rod movement on them. A spring is installed inside the body so that one its end rests on the rod and the second - on the top cover. Inside the frame, having a cylindrical shape, a return spring is installed.

EFFECT: constructive implementation enables to improve the reliability of the device, to improve the quality of soil tillage, to reduce the load on the working body in obstacle crossing, and to reduce the draught resistance of the device.

2 dwg