Ceiling Rail Harness Assembly With Adjustable Tether Fall Support

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Solution Overview

Problem

Existing fall prevention assemblies lack a network of rails extending along user-routinely-traversed structures and do not include a harness with sensors to detect improper attachment, failing to provide effective balance assistance and prevent falls.

Innovation Solution

A system comprising a network of rails mounted to a ceiling with a harness tethered to a trolley, featuring a length-adjustable tether and sensors to ensure proper attachment, providing balance assistance and preventing falls.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fall prevention assembly uses a fixed-length tether, then the structure is simpler, but it cannot adapt to different user heights and standing positions

Engineering Contradiction:
Improveadaptability to different user heightsVSAvoidtether adjustment mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The tether is designed with dynamic length adjustability, allowing it to change from a fixed configuration to an adjustable one. This enables the system to adapt to different user heights and positions while maintaining structural integrity through a controlled adjustment mechanism.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The tether's length parameter is made variable rather than fixed. The adjustment mechanism allows the tether length to be changed to match different user requirements, transforming a static parameter into a dynamic one that can be optimized for each user.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If the harness attachment process is manual without sensors, then the device is simpler, but it cannot detect improper attachment and ensure user safety

Engineering Contradiction:
Improveharness attachment reliabilityVSAvoidsensor system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

Sensors are integrated into the harness attachment system to provide feedback on whether the harness is properly secured. This feedback mechanism detects the attachment state and can alert users or caregivers, ensuring reliable harness usage while maintaining a relatively simple overall system design.

Inventive Principle:
Principle #23Feedback

3Reliability

If rails are installed only in specific areas, then the installation is simpler, but it does not provide continuous protection along user routes

Engineering Contradiction:
Improvefall prevention coverageVSAvoidrail network installation
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The rail system is divided into modular segments that can be independently installed and connected. This segmentation allows the rails to be extended along entire user routes in a manageable way, providing continuous protection while simplifying installation through standardized modular components.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS12569387B2Balance assist and fall prevention assembly
Publication Date: 2026.03.10 LEE REX LAINE
  • US12569387B2 patent drawing
  • US12569387B2 patent drawing
  • US12569387B2 patent drawing

AI summary

A balance assist and fall prevention assembly for preventing falls and providing balance assistance includes a plurality of rails and a harness. The rails are mountable to a ceiling of a structure and are selectively interconnectable so that respective rails are extend along an associated route in the structure that is routinely traversed by a user. A trolley is rollably engaged to the plurality of rails. The harness can be selectively donned by the user so that the harness is removably engaged to the user. A tether is engaged to and extends between the harness and the trolley. The tether is selectively length adjustable so as to extend substantially linearly between the harness and the trolley with the user standing substantially upright and beneath the trolley. The tether thus improves balance of the user and to prevents falling of the user.