Published Technical Disclosure Archive

Advanced Hay Bale Unroller: Agricultural Automation Tech

Publication ID: 24-11856892_0006_PTD
Published: October 26, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Hay Bale Unroller: Agricultural Automation Tech,” Published Technical Disclosure No. 24-11856892_0006_PTD, Published October 26, 2025, available at https://archive.pr1or.art/24-11856892_0006_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. 11,856,892.

Background and Problem Solved

The original self-aligning hay bale unroller patent (original_patent) had limitations in terms of reach, manual repositioning, and stability. The new invention addresses these limitations by introducing a hydraulic arm extension, optimizing unrolling angles, integrating a weight distribution system, automating hay bale detection, and incorporating a modular design.

Novelty and Inventive Step

The new claims introduce significant improvements over the original patent, including the hydraulic arm extension, optimized unrolling angles, integrated weight distribution system, automated hay bale detection, and modular design. These advancements provide a more efficient, safer, and customizable hay bale unroller system.

Alternative Embodiments and Variations

Alternative embodiments may include variations in the hydraulic arm extension, such as using pneumatic or electric systems. The optimized unrolling angles could be achieved through different sensor arrangements or algorithmic approaches. The weight distribution system could be integrated into the unroller's frame or attached as a separate component. The automated hay bale detection system could utilize computer vision, lidar, or other sensing technologies. The modular design could be adapted for different types of agricultural equipment or applications.

Potential Commercial Applications and Market

The Enhanced Self-Aligning Hay Bale Unroller has significant commercial potential in the agricultural industry, particularly among farmers and livestock owners. The invention's increased efficiency, safety, and customization capabilities make it an attractive solution for optimizing hay bale handling and reducing labor costs.

CPC Classifications

SectionClassGroup
A A01 A01D87/127
B B25 B25J9/1065
B B25 B25J15/0266
A A01 A01D2087/128

Field of Art

Agricultural machinery and vehicle attachments, specifically hay bale handling equipment, involving mechanical engineering, hydraulic systems, and agricultural implement design

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with expertise in agricultural equipment design, familiar with tractor attachments, hydraulic systems, and livestock feed management techniques, typically holding a bachelor's degree in mechanical engineering with 3-5 years of industry experience

Obviousness Rationale

A person having ordinary skill in the art would recognize that the disclosed variations represent predictable extensions of the source patent's core hay bale unrolling technology. The proposed improvements leverage standard engineering techniques and known design optimization strategies commonly applied in agricultural machinery. These variations demonstrate incremental enhancements that would be apparent to a skilled practitioner seeking to improve hay bale handling efficiency and equipment versatility.

Obvious Combinations & Variations

Source Patent Element
Three-point hitch attachment with rotatable arms for hay bale handling
PTD Variation
Hydraulic arm extension to increase unroller reach and reduce manual repositioning
Obviousness Reasoning
Extending mechanical range through hydraulic actuation is a known technique in agricultural equipment design, representing a predictable solution for improving equipment flexibility
Source Patent Element
Hay bale spear with engagement features for securing round bales
PTD Variation
Automated hay bale detection system using sensors to identify bale presence and characteristics
Obviousness Reasoning
Integrating sensor technologies to enhance mechanical systems is a standard engineering approach for improving equipment precision and reducing manual intervention
Source Patent Element
Rotatable support structure for handling round hay bales
PTD Variation
Weight distribution system to improve stability and reduce tip-over risk
Obviousness Reasoning
Implementing structural modifications to enhance equipment stability represents a finite set of predictable solutions known to engineers designing agricultural attachments
Source Patent Element
Triangular coupling features for three-point hitch attachment
PTD Variation
Modular design with interchangeable components for customization
Obviousness Reasoning
Designing modular equipment systems is a common engineering strategy for increasing equipment adaptability and reducing maintenance complexity
Source Patent Element
Mechanical movement imparting device for arm rotation
PTD Variation
Dynamic angle adjustment based on hay bale size and shape to optimize unrolling efficiency
Obviousness Reasoning
Implementing adaptive positioning through sensor-driven mechanical adjustments represents a predictable application of control system engineering principles
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed herein would have been obvious to a person having ordinary skill in the art at the time of invention, as they represent incremental improvements to the foundational hay bale handling technology disclosed in US Patent 11856892, utilizing standard engineering techniques and predictable combinations of known elements to enhance agricultural equipment functionality.

Original Patent Information

Patent NumberUS 11,856,892
TitleSelf-aligning hay bale unroller