Fall Prevention Safety Interlock Systems for Diverse Industries

Publication ID: 24-11857816_0002_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Fall Prevention Safety Interlock Systems for Diverse Industries,” Published Technical Disclosure No. 24-11857816_0002_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857816_0002_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. 11,857,816.

Summary of the Inventive Concept

The inventive concept expands the original fall prevention safety interlock system to new industries, including medical facilities, agricultural settings, and recreational environments, enhancing safety and preventing falls in these domains.

Background and Problem Solved

The original patent addressed fall-arrest protection devices for machines used in warehouses, construction, and maintenance environments. However, the problem of fall prevention persists in other industries, where individuals are exposed to similar risks. This inventive concept tackles the limitation of the original patent by applying the core technology to new, high-risk industries.

Detailed Description of the Inventive Concept

The inventive concept comprises a safety harness with a plurality of buckles and a safety attachment ring, a harness interlock circuit electrically coupled to the safety attachment ring, and an industry-specific equipment safety interlock circuit. This circuit enables and/or disables equipment based on whether safety conditions have been met. The system ensures that equipment is only activated when the user is properly secured, preventing falls and accidents. The inventive concept is adaptable to various industries, including medical facilities, agricultural settings, and recreational environments.

Novelty and Inventive Step

The new claims introduce the application of the core technology to entirely new industries, providing a non-obvious solution to the problem of fall prevention in these domains. The inventive concept's novelty lies in its adaptability and customization to address the specific safety challenges of each industry.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in the safety harness design, the type of equipment safety interlock circuit used, or the specific safety conditions monitored. Additionally, the inventive concept could be integrated with existing safety protocols and equipment in each industry to enhance its effectiveness.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the medical, agricultural, and recreational industries, where safety is a paramount concern. The system can be marketed as a standalone safety solution or integrated into existing equipment and protocols, providing a competitive advantage to companies that adopt it.

Field of Art

Safety systems and interlock circuits for preventing falls in industrial, medical, and recreational environments, requiring expertise in electrical engineering, safety system design, and human-machine interface technologies

Person of Ordinary Skill (PHOSITA) Profile

An electrical engineer with 3-5 years experience in safety system design, familiar with interlock circuit principles, safety harness technologies, and equipment control mechanisms across multiple industrial domains

Obviousness Rationale

A person having ordinary skill would recognize the core safety interlock mechanism from the source patent as readily adaptable to different industrial contexts by modifying the equipment-specific safety circuit while maintaining the fundamental harness interlock architecture. The PTD demonstrates a predictable extension of the original fall prevention technology through systematic application of known safety interaction principles across diverse environments. The technical solution represents a straightforward combination of existing safety system components with domain-specific equipment control logic.

Obvious Combinations & Variations

Source Patent Element
Safety harness with plurality of buckles and safety attachment ring
PTD Variation
Applying identical harness design to medical, agricultural, and recreational safety contexts
Obviousness Reasoning
Standard safety harness design is universally applicable across industries, representing a predictable design transfer with minimal technical modification
Source Patent Element
Harness interlock circuit electrically coupled to safety attachment ring
PTD Variation
Implementing identical circuit architecture with domain-specific equipment control logic
Obviousness Reasoning
Core electrical interlock mechanism remains consistent, with only minor variations in equipment interface required
Source Patent Element
Battery-powered oscillator circuit with mechanical switch validation
PTD Variation
Extending power and validation mechanism to different equipment activation scenarios
Obviousness Reasoning
Known technique of using mechanical switch validation for power and safety control is directly transferable across different technical domains
Source Patent Element
Fall-arrest safety system for lifting equipment
PTD Variation
Expanding safety system concept to medical patient handling, agricultural machinery, and recreational equipment
Obviousness Reasoning
Safety interlock principles are generalizable across domains with predictable implementation strategies
35 U.S.C. § 103 Summary: Based on US Patent 11857816, the disclosed safety interlock system variations represent obvious extensions of prior art through routine application of known safety system design principles. A person having ordinary skill would readily conceive of adapting the fundamental safety harness and interlock circuit architecture to diverse industrial contexts by implementing domain-specific equipment control logic without requiring inventive insight.

Original Patent Information

Patent NumberUS 11,857,816
TitleFall prevention safety interlock
Assignee(s)Down Safely LLC