OPENER FOR BROADCAST SEEDING Russian patent published in 2017 - IPC A01C7/08 

FIELD: agriculture.

SUBSTANCE: invention relates to the field of agricultural machinery industry. The opener for broadcast seeding comprises a hollow tubular rack-drill tube connected with a spherical cutting blade, and a bearing. The cutting blade is mounted with the ability of rotation from contact with the soil. The hollow tubular rack-drill tube is connected to the spherical cutting blade with a washer fastened with screws. The bearing is used as a slide bearing located in the groove of the lower part of the rack-drill tube, the housing of which is in contact by the upper end with the sleeve to the projection of the rack-drill tube. The lower end is made oblique to the horizontal plane in the direction of the opener motion, is rigidly attached to the spherical cutting blade.

EFFECT: life span of the opener for broadcast seeding is increased.

1 dwg