Auto-Resetting Detention Latch Lock for Tamper Resistance
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Solution Overview
Problem
Existing locking mechanisms are prone to breakage and can be tampered with, compromising security.
Innovation Solution
A retrofittable, auto-resetting detention locking apparatus utilizing friction resistance, featuring a main body with a rail and resistance spring, a slide with a security pin, and a grub screw mechanism to prevent breach attempts, eliminating the need for consumable shear pins.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional locking mechanisms are used, then the access point can be secured, but the locking mechanism is prone to breakage and tampering
Solution Approach 1:
The locking mechanism incorporates a movable slide that can shift position dynamically. The slide engages with the detention latch in a locked position and can be moved to an unlocked position through controlled means, allowing the system to adapt between locked and unlocked states while maintaining security through the friction-resistant design
Solution Approach 2:
The resistance spring automatically resets the locking mechanism after a breach attempt. When the detention latch is actuated, the spring maintains engagement and automatically returns the slide to its locked position, eliminating the need for manual intervention and ensuring continuous security without consumable shear pins
2Reliability
If shear pins are used in traditional locking mechanisms, then the lock can be secured, but consumable shear pins are required which increase maintenance needs
Solution Approach 1:
The invention eliminates the need for consumable shear pins by using a reusable detention latch and slide mechanism. The friction-resistant engagement between the slide and detention latch allows the system to withstand breach attempts without sacrificing any components, thereby eliminating maintenance requirements associated with replacing consumable shear pins
3Reliability
If friction resistance is utilized in the locking apparatus, then security against tampering is enhanced, but the device complexity increases
Solution Approach 1:
The locking apparatus is divided into distinct functional segments: a main body with mounting hole, a movable slide with rail, a resistance spring assembly, and a detention latch with security pin. This segmentation allows each component to perform its specific function while maintaining overall simplicity and reducing the complexity of the entire system
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
Enhances security by preventing tampering and automatically resetting to a locked state after breach attempts, reducing the risk of lock failure.
Implementation Method 1
A resistance spring is mounted between a lower spring mount on the main body and an upper spring mount on the slide to bias the locking apparatus to a closed position to retain an access point in a closed position
Implementation Method 2
A friction spring is mounted to create friction resistance for preventing the slide from moving
Data Source
AI summary
A retrofittable, auto-resetting detention locking apparatus includes a main body defining various features including a mounting hole, pin guide, slide guide, slide track, slide channel, grub screw guide groove, and concave divot. The apparatus further includes a slide that includes first and second plates joined by a rail that slidably interacts with the slide guide. A resistance spring mounted between the main body and slide biases the components together. A security pin fixed to the second plate mechanically engages with door locking mechanisms. The apparatus may be retrofitted to existing access points to prevent tampering with doorway locking mechanisms while providing automatic reset functionality during breach attempts.