Liquid applying device for dispensing liquid fertilizer etc. into ground, has blocking valve arranged in spoke tip, with compressible spring element completely filling installation space

摘要

The device has a boom with multiple parallel wheels with equally distributed liquid-carrying spokes. An outlet is provided at the end of a spoke tip that extends out of the tire of the wheel. A blocking valve is arranged in this spoke tip and is loaded by a spring element. The spring element consists of a compressible material, such as plastics foam, shaped so that it completely fills the installation space for the spring in the valve.