SOWING MACHINE Russian patent published in 2011 - IPC A01C7/00 

FIELD: agriculture.

SUBSTANCE: sowing machine comprises a suspension mechanism, a frame, a support driving wheel, a knife, a seed hopper with a sowing device, a mechanism to drive the sowing device, a seed duct, a mechanism to adjust depth of seeds closing and a sowing section. The sowing section includes a blade ploughshare and a blade-mould. The knife is disk-shaped and is connected to the frame in a hinged manner with the help of a rotary bracket, to which a hydraulic shock absorber stem and a rigid traction rod are attached in a hinged manner. At the same time the traction rod is movably joined with a sowing section. The other end of the hydraulic shock absorber is hingedly connected with the support.

EFFECT: invention makes it possible to save sowing machine elements against failure when coming across obstacles, which increases efficiency of the sowing machine when operating at stony soils.

2 dwg