Adjustable Strap Closure for Variable Folder Capacity

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Solution Overview

Problem

Conventional folders with fixed straps or tabs are limited in size and capacity, becoming ineffective as users add more items, often requiring replacement or removal of essential contents.

Innovation Solution

A removable and adjustable closure strap system that allows the folder to expand or compress in size by moving the strap through multiple slots or exchanging it, along with additional features like connector systems, pockets, and binder rings for customizable storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fixed strap or tab is used to secure the folder, then the folder structure is simple and easy to manufacture, but the folder size and capacity are limited and cannot be adjusted

Engineering Contradiction:

Improvefolder capacityVSAvoidclosure system

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The closure strap is divided into multiple segments with different lengths, allowing the user to select and attach the appropriate segment based on the desired folder capacity. This segmentation enables adjustable size while maintaining a relatively simple overall structure.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The closure system is designed to serve multiple functions: it can secure the folder in different sizes, accommodate various thicknesses of contents, and provide a consistent closing mechanism regardless of the selected strap length. This multi-functionality increases adaptability without proportionally increasing complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Quantity of substance

If the folder size is increased to accommodate more items, then the storage capacity is improved, but the folder becomes less manageable and requires a larger closure mechanism

Engineering Contradiction:

Improvestorage capacityVSAvoidfolder manageability

Core Design Contradiction:

Quantity of substanceVSEase of operation

Solution Approach 1:

The closure system allows dynamic adjustment of the folder's effective size by selecting different strap lengths. Users can adapt the folder capacity to match their immediate needs, making the folder manageable only as large as necessary rather than always at maximum size.

Inventive Principle:

Principle #15Dynamics

3Adaptability or versatility

If a removable and adjustable closure strap system is implemented, then the folder capacity can be expanded and optimized, but the device complexity and manufacturing difficulty increase

Engineering Contradiction:

Improvesize adjustmentVSAvoidclosure system production

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The invention changes the parameter of strap length to achieve different folder capacities. By providing multiple strap length options rather than changing the entire closure mechanism, the manufacturing complexity is kept manageable while still achieving size adjustment capability.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS10889142B1Organizer with an interchangeable closure strap system

Publication Date: 2021.01.12 WANG TIKI TIANQI

AI summary

A device for storing and transporting personal items where the device has a folder; a plurality of slots on a first side of the folder; and a strap wherein the strap comprises a first strap end that is inserted through an individual slot of the plurality of slots and a second strap end configured to have an anchor so that the strap stops before going completely through the individual slot and inserting the strap through an individual slot expands or condenses a size capacity of the folder while the strap is secured to the folder.