Security Tag Clamp With Segmented Lock Region
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Solution Overview
Problem
Current security tags can be unauthorizedly removed from articles by inserting a hook within the tag to rotate the clamp and release the pin, posing a challenge for retail stores to prevent theft without complicating the authorized removal process at the point-of-sale.
Innovation Solution
A security tag design featuring a housing with a rotatable clamp that includes a lock region and a release region, where the clamp is prevented from rotating laterally by a locking member or extension member within a groove, requiring additional mechanisms like magnets or release plungers to allow authorized removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional clamp mechanism is used that can be rotated by hook insertion, then the tag can be easily removed at POS, but the tag can be unauthorizedly removed by wrongdoers using similar hooks
Solution Approach 1:
The clamp mechanism is segmented into two distinct functional regions: a lock region that prevents rotation under normal hook insertion, and a release region that enables rotation when a specific release force is applied. This segmentation allows the same clamp to provide both security against theft and ease of removal at POS.
Solution Approach 2:
The clamp transitions from a static locked state to a dynamic unlocked state through the application of specific forces. The lock region maintains the clamp in a fixed position preventing rotation, while the release region allows the clamp to rotate when sufficient force is applied in the correct direction, enabling authorized removal.
2Reliability
If additional locking mechanisms are added to prevent unauthorized removal, then security is improved, but the device complexity and difficulty of authorized removal increase
Solution Approach 1:
The locking and release functions are merged into a single integrated clamp structure rather than adding separate locking mechanisms. The lock region and release region work together as one unified system, where the same clamp body provides both security and release capabilities without requiring additional components.
Solution Approach 2:
The clamp mechanism is designed to be self-locking through its geometric configuration, where the lock region automatically prevents rotation without requiring additional active locking components. The release mechanism utilizes the same structural elements to enable unlocking, eliminating the need for separate complex locking systems.
3Reliability
If the clamp is prevented from rotating laterally by a locking member, then unauthorized removal is prevented, but the authorized removal process becomes more complex
Solution Approach 1:
The clamp has different local properties at different regions: the lock region has high resistance to rotation to prevent unauthorized removal, while the release region has controlled flexibility to allow rotation when proper release force is applied. This local differentiation enables both security and ease of authorized removal.
Solution Approach 2:
The release region acts as an intermediary mechanism that mediates between the locked state and the unlocked state. When authorized removal is needed, the release region allows the application of force to transition the clamp from the locked configuration to the unlocked configuration, facilitating easy authorized removal despite the presence of the lock region.
Data Source
AI summary
A security tag that includes a mechanism for preventing the unauthorized removal of a security tag from its article. The security tag includes a housing having a clamp axis. A clamp is contained within the housing. The clamp is rotatable about the clamp axis from a locked position to an unlocked position. The clamp includes a lock region lockable to the housing, and a release region. The mechanism prevents the security tag from being removed from its article unless the lock region is unlocked from the housing and a force is applied to the release region.