Rigid Polymer Suitcase Insert with Modular Dividers

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Solution Overview

Problem

Conventional suitcases, especially soft-shell types, often fail to protect fragile items due to design flaws that lead to inefficient use of space and difficulty in handling, as they are not optimized for easy installation and removal within a suitcase.

Innovation Solution

A container insert designed for suitcases, made of rigid polymer material with a rectangular shape, rounded corners, and features such as pivotally mounted handles, receiving slots for divider panels, and a pivotal hinge on the lid, allowing for customizable compartmentalization and easy handling.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If conventional storage containers are fitted into a suitcase, then they can store items, but they waste a lot of space and are difficult to install and remove

Engineering Contradiction:
Improveease of installation and removalVSAvoidspace utilization in suitcase
Core Design Contradiction:
Ease of operationVSVolume of stationary object

Solution Approach 1:

The storage container is divided into modular components including a base container, a removable lid, and interchangeable divider panels that can be reconfigured. This segmentation allows the container to be easily assembled and disassembled for installation and removal from the suitcase, while the modular design enables space optimization through flexible configuration.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The container incorporates pivotally mounted handles and a pivotal hinge mechanism that enables dynamic movement and transformation of the container structure. The handles can pivot between storage positions and handling positions, making the container easy to grip and remove from the suitcase, while the hinge allows the lid to open and close smoothly.

Inventive Principle:
Principle #15Dynamics

2Object-affected harmful factors

If soft-shell suitcases are used, then they are flexible and lightweight, but fragile items are more apt to be damaged

Engineering Contradiction:
Improveprotection of fragile itemsVSAvoidcase structure strength
Core Design Contradiction:
Object-affected harmful factorsVSStrength

Solution Approach 1:

The container is constructed from rigid polymer material that combines the flexibility and lightweight properties of soft-shell materials with the protective strength needed for fragile items. The rigid polymer provides impact resistance and structural integrity while maintaining a weight comparable to soft-shell suitcases.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The container design includes built-in protective features such as rounded corners that distribute impact forces, and the rigid polymer construction provides inherent cushioning against shocks and impacts before they reach the stored items. The structured design prevents direct transmission of impact forces to fragile contents.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

3Productivity

If standard suitcases with straight sides and rounded corners are used, then they meet airline requirements, but they have design flaws that lead to inefficient packing

Engineering Contradiction:
Improvepacking efficiencyVSAvoidsuitcase design complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The container incorporates rounded corners that match the rounded corners of standard suitcases, allowing for optimal space utilization in the corners. The straight sides between the rounded corners provide efficient packing surfaces. This local adaptation of corner geometry to match suitcase design enables maximum packing efficiency without requiring a complete redesign of the container structure.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS9883724B2Storage insert for travel suitcase
Publication Date: 2018.02.06 WOODE DENITA
  • US9883724B2 patent drawing
  • US9883724B2 patent drawing
  • US9883724B2 patent drawing

AI summary

The present invention is a solid insert device for use inside a suitcase, especially a soft shell suitcase. By filling it sized to the suitcase, maximum use of the suitcase insert is achieved.