SOD DRILL Russian patent published in 2005 - IPC

FIELD: agricultural production, in particular, drills and combined units for drilling grass seeds onto sod.

SUBSTANCE: sod drill has frame bearing rotavator section with disks, on which working tools configured as knives are secured. Rotavator section has sod tillage depth adjusting mechanism and is covered with housing. Said parts are mounted on frame in succession. Seed and fertilizer guides, seed and fertilizer boxes with seeding units and covering rollers are positioned in rear part of housing. Slitters-stone deflectors made in the form of knife colters are mounted on frame. Resilient members-stone deflectors are positioned on knife colters at an angle with respect to direction of advancement, said angle not exceeding friction angle between surfaces of resilient members and stones. Resilient members-stone deflectors are made in the form of continuous or rod-type moldboards, with height of arrangement of moldboards in vertical plane being adjustable. Rotavator section disks project beyond cutting edges of knifes and follow with their projecting part tracks of slitters-stone deflectors.

EFFECT: enhanced reliability in operation, improved quality of sod tillage and seeding grass seeds by means of sod drill.

3 cl, 3 dwg