Container Locking System Guard and Spring-Biased Latch
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Solution Overview
Problem
Existing storage container locking systems are vulnerable to tampering and breach, particularly due to misalignment issues and the ability to access latch arms with tools, which can lead to unauthorized access to the container interior.
Innovation Solution
A robust locking system with a housing and bracket assembly that includes a spring-biased hawk bill latch and a guard with angled upper plates to prevent tool access, along with reinforced mounting arms to secure the bracket and housing, enhancing the structural integrity and preventing displacement or shattering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional padlock and latch rod system is used, then the locking mechanism is simple to operate, but the system becomes vulnerable to misalignment and tampering over time
Solution Approach 1:
The locking system is divided into separate functional modules: a housing assembly mounted to the container body, a latch arm mounted to the lid, and a padlock component. This segmentation allows each component to be optimized independently while maintaining overall system reliability, with the housing providing structural support and the latch arm providing the locking action.
Solution Approach 2:
The latch arm is pre-positioned and spring-biased to engage with the padlock shackle automatically when the lid closes. This preliminary positioning eliminates the need for precise manual alignment during locking operations, as the spring mechanism ensures the latch arm is ready to engage the shackle in its correct position.
2Ease of operation
If the latch arms are exposed for engagement, then the locking mechanism can function properly, but tools can be inserted to separate the latch arms from the shackle
Solution Approach 1:
The housing assembly includes a shield or cover that pre-positions and protects the latch arm engagement area. This preliminary protective structure prevents tools from being inserted between the latch arms and shackle, while still allowing the latch arms to engage and disengage the shackle through designated openings or gaps in the shield.
3Ease of manufacture
If the housing and bracket are mounted with standard fasteners, then the assembly is easy to manufacture, but the mounting can be shattered or displaced under force
Solution Approach 1:
The housing assembly uses a combination of materials with different properties: a rigid outer housing material (such as reinforced plastic or metal) for structural strength and resistance to shattering, combined with corrosion-resistant fastener materials. This composite approach maintains ease of manufacture while significantly improving the strength and tamper-resistance of the mounting.
4Device complexity
If the padlock body moves freely in the housing interior, then the locking mechanism is simple, but the system is vulnerable to forced entry by driving the housing inward
Solution Approach 1:
The padlock body is pre-positioned within the housing interior in a fixed or constrained location. This preliminary positioning prevents the housing from being driven inward to expose the latch arms, as the padlock body acts as a stop or barrier. The padlock can still be inserted and removed through the front opening, maintaining simplicity while improving security.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a reliable locking mechanism that is more resistant to tampering and breach attempts, ensuring secure access to the container interior by preventing tool engagement with latch arms and enhancing the structural connection between components.
Implementation Method 1
a spring-biased hawk bill latch
Data Source
AI summary
A locking system for a storage container comprises a housing mounted by a bracket within a cavity formed in at least one end wall of the container. The housing receives a padlock having a shackle movable between a locked position and an unlocked position relative to the latch arms of a latch mounted to the lid of the container, and a guard is connected to the front wall of the container and to the bracket in position to block access to at least that portion of the shackle which captures the latch arms of the latch.