Stepladder Top Lug Slot Tool Attachment Mechanism
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Solution Overview
Problem
Stepladders lack effective solutions for securely holding tools, paint, and utensils, leading to inconvenience and potential safety hazards when these items are placed or carried on the ladder top during use.
Innovation Solution
A stepladder system with a ladder top featuring lugs, hooks, or tabs that engage with corresponding slots or holes on objects, allowing for secure attachment and easy access, while the stepladder sections can pivot for angular or parallel configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If tools, paint, and utensils are placed on the ladder top, then they are within easy access for the user, but they may fall or be misplaced causing safety hazards
Solution Approach 1:
The ladder top is segmented into multiple functional zones: flat surfaces for placing items, recesses for securing smaller objects, and elevated edges acting as barriers. This segmentation allows different types of tools to be positioned in appropriate zones, preventing them from falling while keeping them accessible.
Solution Approach 2:
The ladder top structure itself acts as an intermediary between the user and the tools. Its design with recesses, barriers, and secure contact surfaces mediates the interaction by providing both access and security functions simultaneously, eliminating the need for separate tool containers.
2Reliability
If the ladder top is designed with attachment features for tools, then tools can be securely held, but the ladder top structure becomes more complex
Solution Approach 1:
The attachment features for tools are merged into the ladder top structure itself rather than being separate components. The recesses, barriers, and secure contact surfaces are integrated directly into the ladder top, providing tool security without adding separate attachment mechanisms or increasing overall structural complexity.
Solution Approach 2:
The ladder top is designed with multi-functionality: it serves as the primary standing surface, provides tool placement areas through flat zones, secures tools through recesses and barriers, and maintains structural support. This universal design achieves tool security through the same structure that provides all other ladder top functions.
Data Source
AI summary
A stepladder system having an object having a lug slot. The system has a stepladder. The stepladder has a ladder top having a plane having a periphery and a lug extending from the periphery which engages with the lug slot in an object so the object is held securely to the ladder top. A method of holding securely an object to a stepladder.