Rotatable Door Safe with Barbed Plate Attachment

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Solution Overview

Problem

Conventional safe designs face issues such as pry-open vulnerabilities, limited access space, and difficulty in securing small, lightweight units, particularly when quick and silent access to valuables like guns is required, especially in confined spaces like beds.

Innovation Solution

A safe with a rotatable door and a barbed plate attachment mechanism that inserts between a mattress and box spring, allowing easy access while being difficult to remove, combined with a locking mechanism that can be opened silently and quickly using a code or biometric input, and featuring a form-fitted insert for weapons to facilitate fast access.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a conventional hinged door safe is used, then the safe provides secure storage, but there isn't enough room for the door to swing open in confined spaces

Engineering Contradiction:

Improvedoor opening capabilityVSAvoidclearance space required

Core Design Contradiction:

Ease of operationVSArea of stationary object

Solution Approach 1:

The door attachment is inverted from the conventional hinged configuration to a rotatable configuration where the door rotates within the plane of the safe body rather than swinging outward, eliminating the need for external clearance space

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The door movement transitions from a two-dimensional swing arc in external space to a rotational movement within the three-dimensional interior volume of the safe body, allowing operation in confined spaces

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

2Weight of moving object

If a lightweight safe is used for easy access, then the safe is portable, but it is difficult to secure the safe to prevent removal

Engineering Contradiction:

Improvesafe weightVSAvoidanti-removal security

Core Design Contradiction:

Weight of moving objectVSReliability

Solution Approach 1:

The safe system is segmented into the safe body and a separate attachment mechanism that interfaces with the bed structure, allowing the lightweight safe to be securely anchored through the distributed attachment points

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

An intermediary attachment mechanism with barbed plates and mounting brackets serves as a mediator between the lightweight safe and the bed structure, providing secure anchorage without requiring the safe itself to be heavy

Inventive Principle:

Principle #24Intermediary (Mediator)

3Strength

If a thick-walled safe is used to prevent prying, then the safe provides better security, but the door gap allows pry-open attacks

Engineering Contradiction:

Improvesafe wall thicknessVSAvoidpry-open vulnerability

Core Design Contradiction:

StrengthVSObject-affected harmful factors

Solution Approach 1:

The design converts the potential harm of the door gap into a benefit by using the gap space to house rotating door elements and sealing mechanisms that actively prevent pry-open attacks while maintaining the necessary clearance for rotation

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Data Source

PatentUS9459074B2System, method and apparatus for securing valuables

Publication Date: 2016.10.04 HEIM JEFFREY R

AI summary

A safe includes a safe body that has an opening. A door is movably interfaced to the safe body such that the door selectively occludes the opening, thereby, selectively permitting access to the opening in one position and precluding access to the opening in a second position. A locking mechanism engages between the door and the safe body when the door occludes the opening. When provided with a key, the locking mechanism disengages between the door and the safe body, permitting access to the opening. An insert is positioned within the safe body. The insert has an opening formation configured to support at least one specific weapon, which is arranged to be accessed from the opening.