Modular Storage Box Integrative Locking System

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Solution Overview

Problem

Existing storage boxes lack a modular and interconnectable system that allows for efficient stacking, secure locking, and easy access to stored items, particularly in applications requiring transportation and organization of various tools and supplies.

Innovation Solution

A modular storage system comprising interconnectable storage boxes with raised guides and channels, allowing for secure stacking and locking through an integrative locking system, while also providing internal organization features like dividers and latches for easy access.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If storage boxes are designed to be stacked and interconnected, then storage efficiency and organization are improved, but the device complexity increases due to the need for guides, channels, and locking systems

Engineering Contradiction:
Improvestorage efficiencyVSAvoidstructure complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The storage system is divided into modular boxes that can be independently assembled and stacked. Each box contains segmentation features (guides and channels) that enable standardized connection, allowing the system to scale from single boxes to multi-box configurations without increasing individual component complexity

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The guides and channels are designed with universal dimensions and configurations that work across all boxes in the system. The integrative locking system provides multi-functional capability by simultaneously securing boxes together and preventing lateral displacement, reducing the need for additional specialized components

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

2Reliability

If an integrative locking system is implemented to secure stacked boxes, then reliability of the stacking configuration is improved, but the ease of operation deteriorates due to more complex locking mechanisms

Engineering Contradiction:
Improvestacking stabilityVSAvoidlocking operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The locking system is designed to be self-actuating through the stacking action itself. When boxes are stacked, the integrative locking system automatically engages through the interaction of complementary features on adjacent boxes, eliminating the need for manual locking operations while maintaining high reliability

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The guide and channel features serve as intermediaries that facilitate the locking process. These features guide the boxes into proper alignment during stacking and mediate the engagement of locking mechanisms, ensuring reliable connection without requiring complex manual intervention

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If guides and channels are added to enable box interconnection, then the adaptability of the storage system is improved, but the manufacturing precision requirements increase

Engineering Contradiction:
Improvebox interconnectabilityVSAvoidguide and channel tolerance
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The interconnection system is segmented into discrete guide and channel features that are independently manufacturable. This segmentation allows each feature to be optimized for manufacturing while maintaining precise relative positioning through standardized box dimensions and feature locations

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The guide and channel features are designed with specific dimensional parameters and tolerances that balance manufacturing feasibility with interconnection precision. By optimizing these parameters, the system achieves high adaptability for various box configurations without requiring excessively tight tolerances that would increase manufacturing complexity

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12275558B2Modular storage system with storage box connectivity and external box features and accessories
Publication Date: 2025.04.15 MAKITA CORP
  • US12275558B2 patent drawing
  • US12275558B2 patent drawing
  • US12275558B2 patent drawing

AI summary

A modular storage system of connectable, heavy-duty storage boxes, crates, rolling carts and/or dollies, work surfaces, organizers, trays, accessories is provided for internal and external item storage and organization and convenient access for use and transport, that is expandable, customizable and readily adaptable. Storage boxes have different sizes by length, width and/or height and have universal box-to-box connection system for stacking and connection to mounting accessories. Boxes have removable, customizable organization inserts (e.g., dividers, storage trays, bins, alignment trays for bins, and bins of different sizes). Box lid rib grid with bosses and undercuts expands internal organization, including cooperation with dual purpose dividers and accessories. Boxes have external mounting accessories to expand external organization. Different housing modes are provided including wall mount systems for wall or side of a truck or van, and different transport modes are provided (e.g., base box with wheels, or on a dolly or a cart).