Intelligent Baler Sensor: Needle Tension Protection Tech

Publication ID: 24-11856895_0006_PTD

Published: October 26, 2025

Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Intelligent Baler Sensor: Needle Tension Protection Tech,” Published Technical Disclosure No. 24-11856895_0006_PTD, Published October 26, 2025, available at https://archive.pr1or.art/24-11856895_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. 11,856,895.

Background and Problem Solved

The original patent, 'Baler slacker arm sensor for protecting against needle over-tension conditions,' addressed the problem of twine over-tension in agricultural balers. However, the existing solution has limitations in terms of its responsiveness, accuracy, and ability to adapt to varying operating conditions. The new invention builds upon the original concept by introducing an intelligent sensor system that detects over-tension conditions more effectively and takes proactive measures to prevent needle damage.

Novelty and Inventive Step

The new claims introduce a significant improvement over the original patent by incorporating an intelligent sensor system that enables proactive detection and response to over-tension conditions. The addition of a feedback loop, warning system, shutdown mechanism, and data analytics module provides a more comprehensive solution that enhances the overall safety and efficiency of agricultural baling operations.

Alternative Embodiments and Variations

Alternative embodiments of the invention may include different sensor configurations, such as optical or acoustic sensors, or varying feedback loop mechanisms. The system could also be adapted for use in different types of agricultural balers or integrated with other safety features to provide a more comprehensive solution.

Potential Commercial Applications and Market

The intelligent baler slacker arm sensor system has significant commercial potential in the agricultural industry, particularly in regions where large-scale agricultural operations are common. The invention could be marketed as an upgrade or retrofit solution for existing balers, or as a standard feature in new baler designs. The system's ability to enhance safety, reduce downtime, and improve overall efficiency makes it an attractive solution for agricultural businesses and operators.

CPC Classifications

Section	Class	Group
A	A01	A01F15/148
A	A01	A01F15/145

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Agricultural machinery, specifically baling equipment with automated tensioning and safety systems for crop processing. Requires mechanical engineering expertise in agricultural equipment design, sensor integration, and control systems

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with 3-5 years experience in agricultural equipment design, familiar with sensor technologies, control systems, and safety mechanisms for crop processing machinery

Obviousness Rationale

A PHOSITA would recognize that adding intelligent sensor feedback, warning systems, and data analytics to an existing baler needle tension protection mechanism represents a predictable engineering enhancement. The source patent establishes the core tension detection concept, and the PTD merely extends this with standard control system techniques and safety monitoring approaches that are well-known in industrial automation.

Obvious Combinations & Variations

Source Patent Element

Sensor detecting twine over-tension condition by tracking guide element movement

PTD Variation

Adding a controller to automatically respond to sensor signals by adjusting twine tensioner

Obviousness Reasoning

Automated control response is a standard design approach for sensor-detected conditions, representing a predictable application of known control system techniques

Source Patent Element

Baling needle protection mechanism

PTD Variation

Incorporating a warning system and shutdown mechanism for repeated over-tension events

Obviousness Reasoning

Safety enhancement through operator notification and system protection is a routine design improvement in industrial machinery, following established risk mitigation principles

Source Patent Element

Twine tension detection sensor

PTD Variation

Adding a data analytics module to track frequency and severity of tension events

Obviousness Reasoning

Performance monitoring and predictive maintenance are standard engineering practices for complex mechanical systems, representing an obvious extension of existing sensor capabilities

Source Patent Element

Mechanical twine tensioning system

PTD Variation

Implementing a feedback loop for dynamic tension adjustment

Obviousness Reasoning

Closed-loop control systems are a well-established technique for maintaining consistent mechanical performance, representing a predictable engineering solution

Source Patent Element

Baling needle over-tension protection

PTD Variation

Alternative sensor configurations like optical or acoustic detection methods

Obviousness Reasoning

Substituting equivalent sensor technologies is a standard design approach when multiple detection methods can achieve the same functional outcome

35 U.S.C. § 103 Summary: Based on US Patent 11856895, the claimed variations in the present publication would be obvious to a person of ordinary skill in the art. The disclosed improvements represent predictable engineering extensions of existing baler needle tension protection technologies, utilizing standard control system techniques, safety monitoring approaches, and sensor integration methods that would be readily apparent to a skilled practitioner in agricultural machinery design.

Original Patent Information

Patent Number	US 11,856,895
Title	Baler slacker arm sensor for protecting against needle over-tension conditions
Assignee(s)	AGCO Corporation