Agricultural vehicle having independent wheel suspension

By integrating height-adjustable support wheels with the coulter bar, the seed drill achieves a compact design and simplified control, addressing the need for additional lifting devices and space in existing designs.

WO2026125283A1 Publication Date: 2026-06-18AMAZONEN WERKE H DREYER GMBH & CO KG

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
AMAZONEN WERKE H DREYER GMBH & CO KG
Filing Date
2025-12-08
Publication Date
2026-06-18

AI Technical Summary

Technical Problem

Existing seed drills require additional lifting devices and installation space for height-adjusting support wheels, which increase weight and complexity, and lack a compact design.

Method used

The support wheels are made height-adjustable by rotating the coulter bar, which also adjusts the seed coulters, eliminating the need for additional lifting devices and allowing independent or coupled height adjustments of both components.

🎯Benefits of technology

This design results in a more compact seed drill with reduced control effort and installation space, while maintaining stability and flexibility in adjusting to different soil conditions.

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Abstract

The invention relates to an agricultural vehicle (1), in particular a field sprayer, having a vehicle frame (10) and a plurality of independent wheel suspensions (3) which each support the vehicle frame (10) with respect to a vehicle wheel (5) and which each have a linear guide (4) for guiding vertical movements of the vehicle wheel (5), the linear guide (4) being arranged within the rotation contour of the vehicle wheel (5) substantially perpendicularly to the rotational axis (R) of the vehicle wheel.
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