Elevated Platform With Pivotable Gate And Toe-Kick

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Solution Overview

Problem

Current ladder configurations for elevated work often require users to tie off for safety, which can be inconvenient and inefficient, and may lead to instability due to climbing beyond recommended heights without additional support structures, while existing solutions for improving safety are bulky and difficult to maneuver.

Innovation Solution

An elevated platform apparatus with a deck and toe-kick structure that provides a large surface area for safe working without the need for continuous harness use, featuring a deployable and collapsible design with pivotable gates, wheels, and a safety enclosure that allows users to work at elevated heights without tying off, and can be easily transported and stored.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Length of moving object

If users climb higher on a ladder than recommended to reach elevated locations, then access to higher areas is improved, but ladder stability deteriorates and user safety worsens

Engineering Contradiction:
Improvereach heightVSAvoidladder stability
Core Design Contradiction:
Length of moving objectVSReliability

Solution Approach 1:

The apparatus uses a dynamic configuration where the platform can be positioned at various heights along the ladder structure, allowing the system to adapt to different reach requirements while maintaining stability through adjustable support points rather than fixed climbing positions

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The invention transitions from vertical ladder climbing to a horizontal platform workspace, providing access to elevated locations through a stable platform that extends perpendicular to the ladder structure, eliminating the need to climb beyond safe heights

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Reliability

If safety enclosures and harness systems are added to ladder configurations, then user safety is improved, but device complexity and maneuverability worsen

Engineering Contradiction:
Improveuser safetyVSAvoidapparatus complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The safety enclosure, platform, and ladder support structure are merged into a single integrated apparatus, eliminating the need for separate harness systems and multiple independent safety components while maintaining comprehensive safety functionality

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The platform structure serves multiple functions simultaneously: it provides the working surface, acts as the safety enclosure boundary, offers structural support, and enables mobility through integrated wheels, reducing overall system complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Stability of the object's composition

If platform structures are made larger to provide stable working surface, then working stability is improved, but ease of operation and storage worsen

Engineering Contradiction:
Improveworking stabilityVSAvoidmaneuverability
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The platform incorporates wheels that enable dynamic movement and repositioning, allowing a relatively large stable working surface to be easily maneuvered to different locations and adjusted to various orientations as needed

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The platform structure is designed with modular components including the deck, toe-kick structure, and safety enclosure that can be segmented for easier handling and storage while maintaining stability during operation

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP4198252B1Elevated working platform
Publication Date: 2024.10.30 LITTLE GIANT LADDER SYSTEMS LLC
  • EP4198252B1 patent drawingFigure 1
  • EP4198252B1 patent drawingFigure 2
  • EP4198252B1 patent drawingFigure 3

AI summary

Elevated work platform apparatuses, as well as associated methods, are provided. In one particular embodiment, an elevated platform apparatus is provided comprising a first assembly having a pair of rails coupled with a plurality of rungs, a second assembly hingedly coupled with the first assembly, a platform pivotally coupled with the first assembly and configured to extend to, and engage a portion of, the second assembly. The apparatus further includes a cage associated with the platform. The cage may include at least one bar and at least one gate, the at least one gate being configured to swing in a first direction upon a user stepping on to the platform from the first rail assembly, and then swing back to a closed position after the user is standing on the platform.