Ratchet Strap Storage Bag with Elastic Closure

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Solution Overview

Problem

Ratchet-buckle assemblies face issues with long straps flapping in the wind when securing smaller objects, leading to hazards, and existing solutions either add complexity or lack effective closure mechanisms for strap storage.

Innovation Solution

A strap protection and storage device comprising a bag attached to the ratchet-buckle assembly with an elastic closure, allowing the free end of the strap to be securely contained and the entire assembly to be stored compactly, eliminating the need for guide sheaths and drawstrings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the strap length is increased to accommodate large objects, then the adaptability of the ratchet-buckle assembly is improved, but the strap flaps wildly in high speed wind creating hazards

Engineering Contradiction:

ImproveadaptabilityVSAvoidhazard

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The excess strap length is extracted from the functional system by storing it in a bag, separating the necessary strap length for securing cargo from the excessive length that causes flapping hazards

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

A flexible bag is used to contain and secure the excess strap, preventing it from flapping while maintaining flexibility for different strap lengths

Inventive Principle:

Principle #30Flexible shells and thin films

2Object-affected harmful factors

If guide sheaths and drawstrings are added to secure the strap, then the hazard from strap flapping is reduced, but the device complexity increases

Engineering Contradiction:

ImprovehazardVSAvoidcomplexity

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The storage bag is integrated as part of the ratchet-buckle assembly, combining the strap storage function with the existing assembly structure, eliminating the need for separate guide sheaths and drawstrings

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The bag serves multiple functions: storing the excess strap, protecting it from damage, and eliminating the need for additional securing mechanisms like drawstrings

Inventive Principle:

Principle #25Self-service

3Object-affected harmful factors

If the strap is wound onto the strap winding shaft, then the excess strap is contained, but the strap will not be entirely wound and will still flap

Engineering Contradiction:

ImprovehazardVSAvoidreliability

Core Design Contradiction:

Object-affected harmful factorsVSReliability

Solution Approach 1:

The excess strap is extracted from the winding shaft system and placed in a dedicated storage bag, ensuring complete containment of the excess length regardless of winding shaft capacity

Inventive Principle:

Principle #2Taking out (Extraction)

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

Enhances safety by preventing strap flapping during transport, simplifies manufacturing, and provides a convenient, self-contained storage solution for the ratchet-buckle assembly.

Implementation Method 1

A strap protection and storage device comprising a bag attached to the ratchet-buckle assembly with an elastic closure

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentUS7681286B1Device for storing a cargo strap

Publication Date: 2010.03.23 KINEDYNE LLC

AI summary

A machine for storing a strap with a bag attached to the fixed strap of a ratchet-buckle assembly.