Expandable Bag With Collapsible Walls And Props

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Solution Overview

Problem

Existing expandable luggage solutions suffer from abrasion and breakage of telescopic parts, instability due to changed center of gravity, and inability to withstand the weight of contents in expanded configurations.

Innovation Solution

An expandable bag apparatus with collapsible walls connected via hinges, supported by props and rigid anchoring elements that maintain stability and prevent unintentional collapse, allowing for expansion without shifting the center of gravity and ensuring the bag can hold its contents securely.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If telescopic parts are used for expansion, then the bag size is adjustable, but the telescopic parts suffer from abrasion and breakage

Engineering Contradiction:

Improvebag size adjustabilityVSAvoidtelescopic parts durability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The expandable bag is divided into a fixed base receptacle and an expandable apparatus with collapsible walls that can be independently deployed and collapsed. This segmentation allows the expansion function to be separated from the main structure, eliminating wear on continuous telescopic parts while maintaining size adjustability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The side walls are designed as collapsible structures that can dynamically transition between expanded and collapsed states using hinges and props. This dynamic design replaces static telescopic parts with movable panels that pivot into position, reducing friction and wear while maintaining expansion capability.

Inventive Principle:

Principle #15Dynamics

2Volume of stationary object

If the bag is expanded, then the receptacle space increases, but the center of gravity shifts and stability decreases

Engineering Contradiction:

Improvereceptacle spaceVSAvoidbag stability

Core Design Contradiction:

Volume of stationary objectVSStability of the object's composition

Solution Approach 1:

The expansion is achieved by adding volume in the horizontal dimension through collapsible side walls rather than extending the vertical height. This dimensional approach increases receptacle space while keeping the center of gravity horizontally aligned, maintaining stability during travel.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

3Volume of stationary object

If the bag is expanded, then the receptacle space increases, but the expanded receptacle cannot withstand the weight of contents

Engineering Contradiction:

Improvereceptacle spaceVSAvoidreceptacle load-bearing capacity

Core Design Contradiction:

Volume of stationary objectVSStrength

Solution Approach 1:

Props are positioned and locked into place before the bag is filled with contents. This preliminary action ensures the expandable apparatus is pre-supported and structurally ready to bear the full weight of contents, preventing collapse while maintaining expanded volume.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The props and rigid anchoring elements provide preemptive structural support to the collapsible walls before any load is applied. This beforehand cushioning ensures the expanded receptacle can withstand the weight of contents without deformation or failure.

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

4Strength

If supporting members are added to maintain stability, then the bag can withstand weight, but the device complexity increases

Engineering Contradiction:

Improvereceptacle load-bearing capacityVSAvoidsupporting members structure

Core Design Contradiction:

StrengthVSDevice complexity

Solution Approach 1:

The props are designed to be integrated into the existing hinge mechanism of the collapsible walls, sharing the same pivot points and structural planes. This equipotential design allows supporting members to be added without creating separate complex systems, as they utilize the same structural potential and mounting locations.

Inventive Principle:

Principle #12Equipotentiality

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 solution provides a stable and strong expanded receptacle that maintains the bag's center of gravity, preventing damage and ensuring the bag can handle its contents without compromising stability during travel.

Implementation Method 1

left and right collapsible walls, connected, respectively, to hinges at the left and right edges of the top and bottom panels

Methodology Applied

Scientific EffectHinge mechanism: Hinge

Implementation Method 2

supporting members configured to maintain said collapsible walls from unintentionally collapsing

Methodology Applied

Scientific EffectMechanical support: Mechanical Force

Data Source

PatentUS11684130B2Expandable bag and an apparatus for expanding a bag

Publication Date: 2023.06.27 ANYVENTION

AI summary

The present invention relates to a bag capable of being expanded by mechanical manipulation of a plurality of collapsible rigid walls and temporary fixation thereof using a support element connected thereto.