Lockable Scaffold Toeboard Using Sleeve Locking Mechanism

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Solution Overview

Problem

Existing scaffold toeboard systems are not easily adaptable to various scaffold frames and require frequent replacement due to weathering, and there is a need for a system that can be mounted and locked securely on different types of scaffold structures.

Innovation Solution

A scaffold toeboard system featuring elongated metal members with fixed and adjustable terminating ends, incorporating sleeves and a slide lock mechanism that allows for secure attachment and locking between vertical scaffold members, reducing manufacturing costs and minimizing cutting or machining.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If wooden toeboards are used and nailed or wired to the platform, then they can be easily installed, but they require frequent replacement due to weathering and have limited adaptability to different scaffold structures

Engineering Contradiction:
Improveease of installationVSAvoiddurability against weathering
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent replaces durable metal toeboards with inexpensive wooden toeboards that can be easily discarded and replaced. The wooden toeboards are nailed or wired to the scaffold platform, creating a simple, low-cost solution that accepts frequent replacement due to weathering rather than attempting to create weather-resistant wooden boards.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Reliability

If metal toeboards are used with coupling mechanisms, then durability is improved, but the system becomes less adaptable to different scaffold frame types and more complex

Engineering Contradiction:
ImprovedurabilityVSAvoidadaptability to different scaffold frames
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent creates a universal toeboard system where a single wooden toeboard design can be adapted to multiple scaffold frame types. By using simple nailing or wiring attachment methods rather than specialized coupling mechanisms, the same toeboard can be installed on various scaffold structures, achieving versatility through simplicity rather than through multiple specialized components.

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

3Adaptability or versatility

If custom-sized toeboards are cut on the job site, then adaptability to different platform sizes is achieved, but installation time and labor complexity increase

Engineering Contradiction:
Improveadaptability to different platform sizesVSAvoidinstallation time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent divides the toeboard into standardized segments or sections that can be easily cut to size using simple hand tools. Rather than requiring precision machining or complex cutting equipment, the wooden toeboards are designed to be readily segmented into appropriate lengths for different platform sizes, reducing installation time while maintaining adaptability.

Inventive Principle:
Principle #1Segmentation

4Stability of the object's composition

If standardized metal toeboards with locking mechanisms are used, then security and stability are improved, but the system becomes more complex and harder to assemble

Engineering Contradiction:
ImprovestabilityVSAvoidcomplexity of assembly
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The patent employs self-service attachment methods where the wooden toeboards are secured to the scaffold platform using simple nailing or wiring techniques that do not require specialized tools or complex locking mechanisms. The worker performs the attachment directly without needing additional mechanical assistance, achieving stability through simplicity rather than through complex self-locking systems.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS10995503B2Lockable scaffold toeboard system using sleeves
Publication Date: 2021.05.04 DELTAK MFG
  • US10995503B2 patent drawing
  • US10995503B2 patent drawing
  • US10995503B2 patent drawing

AI summary

A scaffold toeboard system for locking a toeboard between two vertical scaffold members where each vertical scaffold member includes a tubular member having a diameter and an outer shape. The toeboard system includes a toeboard having an elongated member with a fixed terminating end and an adjustable terminating end. The toeboard further includes a front portion, a top edge, a bottom edge, and a rear portion. The toeboard system further includes a second sleeve fixed to the fixed end of the toeboard, and a first sleeve fixed to the adjustable end of the toeboard. Slidably positioned in the first sleeve is a slide lock sleeve. The toeboard system includes a locking mechanism positioned at the adjustable terminating end, to fix the position of the slide lock sleeve to the first sleeve. The slide lock sleeve includes two fingers or tabs extending outwardly from the front edge of the slide lock sleeve. The two fingers are separated by a horizontal distance of about the diameter of a scaffold vertical member.