Adjustable Ladder Platform for Uneven-Surface Leveling
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Solution Overview
Problem
Ladders often tip or slip on uneven surfaces, posing a danger of injury or death, and traditional solutions like using blocks under the legs can increase the risk of further instability.
Innovation Solution
An adjustable ladder platform with a platform base, support arms, and a bubble vial to ensure level footing, featuring pivotable components and fasteners for secure attachment to uneven surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If blocks or items are placed beneath ladder legs to level the foundation, then the ladder stability is improved, but the risk of slip and injury increases
Solution Approach 1:
The patent introduces a platform as an intermediary device between the uneven ground and the ladder. This platform serves as a stable base that eliminates the need for blocks underneath ladder legs, thereby maintaining ladder stability while removing the harmful effect of using blocks that could cause slipping. The platform acts as a mediator that transfers the load from the ladder to the ground in a safe and stable manner.
Solution Approach 2:
The patent extracts the leveling function from the traditional block-based approach and integrates it into a dedicated platform structure. By removing the blocks and using a purpose-built platform with adjustable support members, the design eliminates the instability associated with blocks while providing the necessary leveling function through controlled adjustment mechanisms.
2Stability of the object's composition
If a platform is used to provide a level surface for the ladder, then the ladder stability is improved, but the device complexity increases
Solution Approach 1:
The patent employs dynamic adjustment mechanisms including pivotable support members and adjustable legs that can be modified during use. The platform includes movable components such as pivot pins and adjustable fasteners that allow the structure to adapt to different ground conditions. This dynamic design enables the platform to achieve stability without requiring an overly complex fixed structure, as the components can be adjusted to accommodate various scenarios.
Solution Approach 2:
The platform is divided into separate functional components including a base plate, adjustable support members, pivot mechanisms, and fastening systems. This segmentation allows each component to perform its specific function independently, simplifying the overall design while maintaining stability. The modular approach enables easier assembly, disassembly, and adjustment compared to a monolithic structure.
3Adaptability or versatility
If the platform is designed to be adjustable for different surfaces, then the adaptability is improved, but the ease of operation decreases
Solution Approach 1:
The platform incorporates pre-configured adjustment mechanisms and pre-positioned components that can be quickly modified during setup. The adjustable support members and legs are designed with predetermined adjustment intervals and easy-to-access fastening mechanisms, allowing users to adapt the platform to different surfaces without complex procedures. The preliminary design of adjustment capabilities enables rapid configuration while maintaining ease of operation.
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 platform leveling device stabilizes ladders on uneven grades and stairways, allowing safe ascension by ensuring a firm and level surface, reducing the risk of slips and falls.
Implementation Method 1
a bubble vial attached on a front face of one of the pair of top side members to assist a user when the top surface is level
Data Source
AI summary
An adjustable ladder platform is an apparatus that aids in keeping extension ladders on firm, level footing having an open base frame that sits directly on the unlevel ground, roof surface, pavement or the like a flat surface, similar to a small tabletop that supports the feet of the extension ladder. The two components are then hinged together at one side of the frame. Then the opposite side is supported by two adjustable arms that are attached by bolts and wingnuts that can be attached and removed without tools. The arms are provided with multiple holes to accommodate varying grades. One side of the device is provided with an attached bubble level to ensure levelness of the upper platform to ensure safety. Finally, one side of the device is provided with a handle to facilitate transport.