DEEP TILLER Russian patent published in 2007 - IPC A01B35/20 A01B35/24 

FIELD: agricultural engineering, in particular, working tools for tillage machines.

SUBSTANCE: deep tiller has shoe, chisel, and tine fixed on frame and connected to shoe. Tine has set of springy plates of various length values. Cross section of springy plates reduces in stepped manner depending on remoteness from frame. Springy plates are secured to one another by means of adjusting clamp. Deep tiller has pivotal parallelogram, with first pivot joint being aligned with support of terminating plates on shoe, second pivot joint being fixed on rear tip of shoe, and two other pivot joints being fixed on frame. Upper ends of springy plates are widened and equipped with at least two openings. Tine is rigidly fixed on frame by means of said two openings and bolts. Pivot parallelogram link positioned forward of tine has rectangular cross section, with one of short sides of rectangle being oriented in direction of advancement and having size equal to front size of tine.

EFFECT: improved operating characteristics of deep tiller.

5 dwg