Agricultural soil cultivation device has coulter disc, which is mounted on coulter disk holder in rotary manner, where coulter disk holder has axle stub, which is mounted at axle support part of coulter disk holder in rotary manner

摘要

The agricultural soil cultivation device has a coulter disc, which is mounted on a coulter disk holder in rotary manner. The coulter disk holder has an axle stub, which is mounted at an axle support part of the coulter disk holder in rotary manner by rotary bearing assembly. A central attachment portion is formed as flat section and has a through hole. The through hole is pushed onto the axle stub.