Flexible Grating Attachment Device for Slip Resistance

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Solution Overview

Problem

Existing anti-slip solutions for grating surfaces are limited in versatility, ease of attachment, and maintenance, often compromising the structural integrity and drainage capabilities of grating systems, and require frequent replacement or application of coatings that can be costly and hazardous.

Innovation Solution

A flexible attachment device with arms that secure to grating surfaces between load bars and cross bars, featuring a point of flexure for adjustable attachment, high-friction materials, and optional phosphorescent or reflective features for enhanced safety, allowing easy installation and minimal movement under load.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If anti-slip accessories are applied to grating surfaces, then slip resistance is improved, but water drainage capability deteriorates

Engineering Contradiction:
Improveslip resistanceVSAvoidwater pooling
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The attachment device is configured with a porous or open structure that allows water to pass through it and drain underneath, maintaining the drainage capability of the grating surface while providing anti-slip functionality on top

Inventive Principle:
Principle #31Porous materials

Solution Approach 2:

The device segments the anti-slip function from the grating surface itself, using separate attachment elements that can be positioned strategically without covering entire surfaces, thus preserving water flow paths

Inventive Principle:
Principle #1Segmentation

2Reliability

If anti-slip coatings are applied to grating, then friction is improved, but maintenance requirements increase

Engineering Contradiction:
ImprovefrictionVSAvoidmaintenance frequency
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The attachment device uses durable, replaceable mechanical components rather than degradable coatings, providing a long-lasting solution that doesn't require frequent reapplication like anti-slip coatings do

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The device incorporates self-retaining features such as snap-fit mechanisms or friction locks that maintain anti-slip properties without external intervention, eliminating the need for periodic maintenance repairs

Inventive Principle:
Principle #25Self-service

3Reliability

If non-porous anti-slip surfaces are installed on grating, then slip resistance is improved, but light transmission is blocked

Engineering Contradiction:
Improveslip resistanceVSAvoidlight transmission
Core Design Contradiction:
ReliabilityVSIllumination intensity

Solution Approach 1:

The anti-slip attachment device provides localized friction enhancement only where needed for safety, leaving the majority of the grating surface open and transparent to allow light transmission and maintain the aesthetic and functional benefits of the grating

Inventive Principle:
Principle #3Local quality

4Ease of operation

If anti-slip fittings are snap-fit to grating, then installation is simplified, but device stability deteriorates

Engineering Contradiction:
Improveinstallation simplicityVSAvoiddevice stability
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

The attachment device incorporates dynamic retention mechanisms that adapt to load conditions, such as flexible arms or spring-loaded elements that maintain stable engagement with the grating under varying forces while remaining easy to install initially

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The device provides a robust, versatile, and low-maintenance anti-slip solution that can be applied to various grating dimensions, maintains structural integrity, and reduces the risk of slippage while allowing water drainage, with enhanced visibility and safety features.

Implementation Method 1

at least one point of flexure; and at least one arm extending from the point of flexure with the arm moveable about the point of flexure

Methodology Applied
Scientific EffectFlexure: Elasticity

Implementation Method 2

high-friction materials

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS12252848B2Safety device
Publication Date: 2025.03.18 LEROUX ANDRE
  • US12252848B2 patent drawing
  • US12252848B2 patent drawing
  • US12252848B2 patent drawing

AI summary

An attachment device for attachment to a pathway comprising a body having: a top surface for receiving foot traffic thereon; at least one point of flexure; and at least one arm extending from the point of flexure with the arm moveable about the point of flexure, the at least one arm configured to engage the pathway or a structural member of the pathway, wherein when engaged, the at least one arm secures the device to the pathway, wherein engagement of the at least one arm results in the device being compressively secured to the pathway in between two component members of the pathway.