Foldable Ladder Storage Assembly with Sliding Guide Track

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Solution Overview

Problem

Existing ladder storage solutions do not effectively utilize space in vehicles and structures for foldable ladders, leading to inefficient storage and potential damage during transport.

Innovation Solution

A storage assembly that includes protrusions with enlarged distal ends and a guide track with an enlarged slot portion, allowing the ladder to be securely stored by sliding the protrusions into the track, with a hydraulic damper to prevent accidental dislodgement, enabling compact storage and easy retrieval.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If existing ladder storage solutions are used, then the ladder can be stored, but the space utilization in vehicles is inefficient

Engineering Contradiction:
Improvestorage space utilizationVSAvoidstorage efficiency
Core Design Contradiction:
Volume of moving objectVSProductivity

Solution Approach 1:

The storage assembly employs a dynamic sliding mechanism where the ladder moves along a guide track between stored and deployed positions. The pin members with enlarged distal ends slide within enlarged slot portions, allowing the ladder to be dynamically positioned while maximizing space utilization in the vehicle interior.

Inventive Principle:
Principle #15Dynamics

2Volume of moving object

If the ladder is stored compactly, then space is saved, but the ladder may become dislodged or damaged

Engineering Contradiction:
Improvestorage compactnessVSAvoidladder security
Core Design Contradiction:
Volume of moving objectVSReliability

Solution Approach 1:

The pin members act as intermediary elements between the ladder and the guide track. The enlarged distal ends of the pin members engage with the enlarged slot portions, creating a secure mechanical connection that prevents dislodgement while allowing controlled movement. This intermediary mechanism ensures the ladder remains securely stored without damage.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If the ladder is easily accessible, then retrieval is quick, but the storage mechanism becomes complex

Engineering Contradiction:
Improveladder accessibilityVSAvoidstorage mechanism complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The storage assembly is segmented into distinct functional components: the guide track fixed to the vehicle interior, the pin members with enlarged distal ends attached to the ladder, and the enlarged slot portions in the guide track. This segmentation allows each component to perform its specific function independently, simplifying the overall mechanism while maintaining ease of operation.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS10562459B2Ladder storage assembly
Publication Date: 2020.02.18 PAISLEY DARRELL CORY
  • US10562459B2 patent drawing
  • US10562459B2 patent drawing
  • US10562459B2 patent drawing

AI summary

The present invention relates to a storage assembly for storing a foldable ladder within a structure. The assembly includes a first protrusion connectable to first rails of the ladder. The assembly includes a second protrusion connectable to second rails of the ladder. Each of the protrusions includes an enlarged distal end portion. The assembly includes a linear guide track connectable to the structure and to which the distal end portions of the protrusions are slidably received and retained when the ladder is in a folded position. The ladder couples to the structure thereby.