Attachable Platform Inversion for Ladder Balance and Workspace

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Solution Overview

Problem

Existing ladder platforms fail to provide sufficient workspace safely, often causing users to ascend and descend ladders multiple times, increasing the risk of accidents and tool mishandling due to limited space and potential balance issues.

Innovation Solution

An attachable platform that securely fastens to the top cap of stepladders, offering a symmetrical or asymmetrical work surface with rails to prevent tool roll-off, adjustable protrusions for various ladder sizes, and optional magnetic strips, containers, and a grid support system for stability, ensuring a safe and spacious work area without compromising user balance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If traditional platforms extend outward toward the user on lower rungs, then the platform provides support, but the user may lose balance and fall from the ladder

Engineering Contradiction:

Improveplatform supportVSAvoiduser balance

Core Design Contradiction:

StrengthVSReliability

Solution Approach 1:

Instead of extending the platform outward toward the user on lower rungs, the platform is inverted to attach to the top cap of the ladder, extending away from the user. This reversal eliminates the balance hazard while maintaining platform support functionality.

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The platform attachment is moved from the horizontal dimension (extending outward on rungs) to the vertical dimension (attaching to the top cap), changing the spatial relationship between the platform and user to eliminate balance risks.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

2Strength

If traditional platforms are designed to extend outward, then support is provided, but the work area is significantly limited

Engineering Contradiction:

Improveplatform supportVSAvoidwork area

Core Design Contradiction:

StrengthVSArea of stationary object

Solution Approach 1:

By inverting the platform attachment location to the top cap instead of extending from lower rungs, the platform can achieve maximum work area without compromising support, as it leverages the full height of the ladder.

Inventive Principle:

Principle #13The other way round (Inversion)

3Strength

If the platform attaches to lower rungs, then it provides support, but the full height of the ladder is not available to the user

Engineering Contradiction:

Improveplatform supportVSAvoidladder height availability

Core Design Contradiction:

StrengthVSLength of moving object

Solution Approach 1:

The attachment point is inverted from lower rungs to the top cap of the ladder, allowing the user to utilize the full height of the ladder while the platform provides support from above.

Inventive Principle:

Principle #13The other way round (Inversion)

4Area of stationary object

If a larger work surface is provided, then sufficient workspace is available, but the user may lose balance and fall

Engineering Contradiction:

Improvework surface areaVSAvoiduser balance

Core Design Contradiction:

Area of stationary objectVSReliability

Solution Approach 1:

By inverting the platform attachment to the top cap and extending away from the user, the work surface can be enlarged without encroaching on the user's balance zone, as it is positioned above and behind the user rather than in front.

Inventive Principle:

Principle #13The other way round (Inversion)

Data Source

PatentUS10450799B2Attachable platform

Publication Date: 2019.10.22 WORKSTATION INTEGRATED LLC

AI summary

An attachable platform providing a work surface affixed to the top cap of the ladder. The device includes a work surface and rails along the exterior edges of the work surface and slots therein. The slots receive an attachment device such as a hook and loop strap to attach the platform to the ladder. Protrusions are found on the back surface of the platform and are designed to accommodate the top cap of a ladder.