Merchandise Security Cable with Shape Memory Lock
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Solution Overview
Problem
Retailers face challenges in securing expensive merchandise from theft, as existing security devices can be tampered with or removed by determined shoplifters, and current solutions often require complex mechanisms or internal power sources, increasing costs and complexity.
Innovation Solution
A merchandise security device featuring a housing with a retractable cable and a lock mechanism operated by an electronic key, utilizing shape memory materials to lock or unlock, which eliminates the need for internal power sources and simplifies the lock mechanism, allowing for secure and cost-effective protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional merchandise security devices are used, then merchandise can be secured from theft, but the devices can be tampered with or removed by determined shoplifters
Solution Approach 1:
The patent replaces complex mechanical lock mechanisms with a simple cable wrap system that uses friction and geometry to secure merchandise. The cable wraps around the merchandise and anchors to the display, creating a secure configuration without requiring complex locking mechanisms that can be tampered with.
Solution Approach 2:
The patent changes the security approach from active mechanical locking to passive friction-based securing. By adjusting cable tension and wrap configuration, the system achieves secure merchandise attachment without complex mechanisms that vulnerable to tampering.
2Reliability
If complex lock mechanisms are used to prevent theft, then security is improved, but device complexity and cost increase
Solution Approach 1:
The patent eliminates complex lock mechanisms entirely, replacing them with a cable wrap system that uses friction, tension, and geometric configuration to prevent theft. This simpler system reduces both device complexity and cost while maintaining security effectiveness.
Solution Approach 2:
The cable wrap system is self-securing through friction and tension without requiring external locking mechanisms. The cable automatically maintains security through its wrapped configuration and tensioning, eliminating the need for complex locks that increase device complexity.
3Ease of operation
If internal power sources are added to security devices, then lock mechanism functionality is improved, but device complexity and cost increase
Solution Approach 1:
The cable wrap system requires no power source as it uses passive friction and tension to secure merchandise. The system operates automatically through its mechanical configuration, eliminating the need for batteries, motors, or electronic control systems.
Solution Approach 2:
The patent replaces electrically-powered lock mechanisms with a purely mechanical cable wrap system. This substitution eliminates all power source requirements while maintaining ease of operation through simple manual cable tensioning and wrapping.
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 effectively secures merchandise by using an electronic key to power the lock mechanism, providing a secure and cost-effective means to prevent theft without the need for internal power sources or complex components, enhancing security while reducing costs for retailers.
Implementation Method 1
The lock mechanism is operably engaged with a shape memory material, and the shape memory material is configured to change in shape in response to receiving electrical power from the electronic key to thereby lock or unlock the lock mechanism
Data Source
AI summary
A merchandise security device configured for use with an electronic key for locking and/or unlocking a lock mechanism is provided. The merchandise security device may include a housing operably coupled with a cable, wherein the cable is configured to be extended and retracted relative to the housing and to at least partially surround an item of merchandise. The security device may also include a lock mechanism configured to releasably secure the cable relative to the housing for locking the cable about the item of merchandise. In addition, the lock mechanism is configured to receive electrical power for unlocking the lock mechanism so that the housing and the cable may be removed from the item of merchandise.