Underground Storage Container With Cable Retrieval and Environmental Sealing

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Solution Overview

Problem

Conventional security safes are heavy, difficult to hide, susceptible to detection by metal detectors, and expensive due to intricate locking mechanisms, necessitating a lighter, concealable, and cost-effective underground storage solution.

Innovation Solution

A secure storage system comprising a lightweight storage container with a cable handle, installed in a receiving tube underground, featuring a shield to prevent dirt ingress and a plug for environmental sealing, facilitating easy extraction and protection against unauthorized access.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional security safes are made from tamper-resistant materials such as steel, then security and attack resistance are improved, but weight increases and ease of concealment deteriorates

Engineering Contradiction:
ImprovesecurityVSAvoidweight
Core Design Contradiction:
ReliabilityVSWeight of moving object

Solution Approach 1:

The safe is divided into a two-part system: a heavy, secure base unit that remains fixed, and a lightweight removable lid or access mechanism. This segmentation allows the critical security functions to be concentrated in the base while the user interface becomes light and portable, resolving the contradiction between security weight and usability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent employs composite construction combining high-strength, low-weight materials such as aluminum alloys or fiber-reinforced polymers with strategic steel reinforcement only where structurally necessary. This composite approach maintains security integrity while significantly reducing overall weight compared to traditional all-steel safes.

Inventive Principle:
Principle #40Composite materials

2Reliability

If conventional security safes are made from metal materials, then security is improved, but detectability by metal detectors worsens

Engineering Contradiction:
ImprovesecurityVSAvoiddetectability
Core Design Contradiction:
ReliabilityVSDifficulty of detecting and measuring

Solution Approach 1:

Metal components are strategically placed only in localized areas where structural integrity and security are critical, such as the base frame and locking mechanisms, while the majority of the safe body uses non-metallic composite materials. This local quality approach maintains security functions while minimizing metal content to evade detection.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent employs metal-detector countermeasures including false bottom compartments, hollow cavities within walls, and decoy structures that replicate the external dimensions of the safe while containing minimal or no valuable contents. These copying techniques create misleading signals for metal detectors while preserving actual security functionality.

Inventive Principle:
Principle #26Copying

3Reliability

If intricate locking mechanisms are used in conventional security safes, then security is improved, but manufacturing complexity and cost increase

Engineering Contradiction:
ImprovesecurityVSAvoidlocking mechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces traditional complex mechanical locking systems with electronic or biometric authentication mechanisms combined with simple motorized actuators. This substitution maintains high security through advanced authentication while dramatically simplifying the mechanical components, reducing manufacturing complexity and cost.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The locking mechanism is designed as a multi-functional integrated system that combines authentication, actuation, status monitoring, and alarm functions into a single control unit. This universal approach consolidates multiple security functions into one mechanism, reducing overall complexity compared to separate specialized components.

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

Data Source

PatentUS12421005B2Underground secure storage system
Publication Date: 2025.09.23 MURRAY HOWARD
  • US12421005B2 patent drawing
  • US12421005B2 patent drawing
  • US12421005B2 patent drawing

AI summary

The disclosure concerns a secure storage system which is installed underground. The user may insert their valuables into the storage compartment of the storage container before installing the it below ground. By using this system the user is making it harder for nefarious persons to steal their valuables. The storage compartment is sealed off from the environment to protect its contents. This underground storage system protects valuables from unpredictable disasters, both natural and man-made. The secure storage system includes a storage container having at least one opening to insert valuables through. A cable is attached to the container so that a user can pull the storage container out of the ground more easily. A receiving sleeve is installed in the ground first. The storage container is inserted into a receiving sleeve making it easier to pull out the storage container when necessary.