Published Technical Disclosure Archive

Advanced Concave System for Combine Harvester Performance

Publication ID: 24-11856893_0001_PTD
Published: October 26, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Concave System for Combine Harvester Performance,” Published Technical Disclosure No. 24-11856893_0001_PTD, Published October 26, 2025, available at https://archive.pr1or.art/24-11856893_0001_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,856,893.

Background and Problem Solved

The original patent disclosed a concave changing system for combine harvesters, but it had limitations in terms of threshing efficiency, safety, and productivity. The new invention addresses these limitations by introducing advanced features that improve the overall performance of the combine harvester.

Novelty and Inventive Step

The new invention introduces novel features such as advanced load sensing, real-time adjustment, and energy recovery, which are not present in the original patent. These features provide a significant improvement in threshing efficiency, safety, and productivity, making the new invention non-obvious and novel compared to the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include different types of sensors for load sensing, various motorized drive mechanisms, and different control systems for the hydraulic system. Additionally, the invention could be adapted for use in other agricultural machinery, such as forage harvesters or balers.

Potential Commercial Applications and Market

The enhanced concave support and adjustment system has significant commercial potential in the agricultural industry, particularly in the market for combine harvesters. The invention's ability to improve threshing efficiency, safety, and productivity makes it an attractive solution for farmers and agricultural companies, potentially leading to increased sales and market share for AGCO Corporation.

CPC Classifications

SectionClassGroup
A A01 A01F12/28
A A01 A01F12/26

Field of Art

Agricultural machinery, specifically combine harvester threshing systems, involving mechanical engineering and agricultural equipment design with expertise in rotary threshing mechanisms and concave adjustment technologies

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with 5-10 years experience in agricultural equipment design, familiar with rotary threshing systems, hydraulic mechanisms, sensor integration, and agricultural machinery control systems

Obviousness Rationale

A PHOSITA would recognize that the PTD's disclosed variations represent predictable technological improvements to the source patent's concave adjustment system, utilizing standard engineering techniques of sensor integration, motorized drive mechanisms, and control system optimization that are well-known in agricultural machinery design.

Obvious Combinations & Variations

Source Patent Element
Frame-based concave rotation mechanism with driving system
PTD Variation
Adding load sensing mechanism to automatically adjust concave sets
Obviousness Reasoning
Integrating sensor-based adaptive control is a known technique in mechanical systems, representing a predictable application of standard control engineering principles
Source Patent Element
Belt and motor driving mechanism for concave rotation
PTD Variation
Implementing battery-powered drive with regenerative braking
Obviousness Reasoning
Electrification of mechanical systems and energy recovery are standard design evolution strategies in modern agricultural machinery
Source Patent Element
Rotary thresher with multiple concave positions
PTD Variation
Adding hydraulic system with computerized control for pressure management
Obviousness Reasoning
Precision hydraulic control is a well-established technique for optimizing mechanical system performance in agricultural equipment
Source Patent Element
Concave rotation around rotor housing
PTD Variation
Incorporating self-cleaning mechanism for debris removal
Obviousness Reasoning
Implementing maintenance and efficiency improvements through integrated cleaning systems is a predictable design enhancement for agricultural machinery
Source Patent Element
Basic concave adjustment frame
PTD Variation
Real-time sensor monitoring for threshing efficiency optimization
Obviousness Reasoning
Applying real-time monitoring and adaptive control represents a standard engineering approach to improving mechanical system performance
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11856893, a Person Having Ordinary Skill In The Art would find the technical variations disclosed herein to be obvious extensions of the prior art, representing predictable technological improvements achievable through standard engineering techniques and known methods of sensor integration, control system optimization, and mechanical system design.

Original Patent Information

Patent NumberUS 11,856,893
TitleConcave support and adjusment system for combine harvester
Assignee(s)AGCO Corporation