Secure Zipper With Barrier Preventing Pull Manipulation
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Solution Overview
Problem
Zippers used in enclosures, such as bed enclosures and tents, can be manipulated from unauthorized sides, compromising their effectiveness in securing the entryway, as individuals can manipulate the zipper pulls without accessing the pull tabs.
Innovation Solution
A secure zipper design featuring a security barrier affixed alongside the zipper teeth sets, preventing manipulation of the zipper pulls from the same side as the barrier, ensuring that the pull tabs and zipper teeth engagement components can only be accessed and operated from the intended sides.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pull tabs are positioned on the exterior of the enclosure, then unauthorized persons cannot access them, but persons inside the enclosure can still manipulate the zipper pulls from behind
Solution Approach 1:
The patent introduces a spatial dimension by adding a security barrier that extends perpendicular to the zipper teeth, creating a three-dimensional obstacle that blocks access from the exterior side while maintaining interior accessibility. This dimensional extension prevents manipulation from unauthorized directions without affecting legitimate use.
Solution Approach 2:
The security barrier acts as an intermediary element between the exterior environment and the zipper mechanism. It mediates access control by physically blocking the path to the zipper pulls from the exterior while allowing the zipper to function normally from the interior side, thus protecting against unauthorized manipulation.
2Reliability
If the pull tabs are positioned on the interior of the enclosure, then exterior persons cannot access them, but interior persons can still manipulate the zipper pulls from behind
Solution Approach 1:
The security barrier extends into the interior space to a sufficient length to block access to the zipper pulls from the interior side, creating a three-dimensional protective zone. This dimensional approach ensures that even if pull tabs are positioned on one side, the barrier prevents manipulation from the opposite side.
Solution Approach 2:
The security barrier serves as an intermediary protective structure that separates the zipper mechanism from unauthorized access directions. It mediates between the interior environment and the zipper pulls, preventing manipulation while maintaining the functional accessibility from authorized directions.
3Reliability
If a security barrier is added to prevent manipulation, then security is improved, but the device complexity increases
Solution Approach 1:
The security barrier can be implemented as a thin, flexible strip or film that is affixed along the zipper teeth. This approach provides effective security protection while minimizing the addition of bulk and complexity to the overall zipper structure. The barrier can be made from simple materials that conform to the zipper profile.
Solution Approach 2:
The security barrier may be constructed from composite materials that combine structural integrity with flexibility, allowing it to maintain its protective function while being easily affixed to the zipper. The use of composite materials enables the barrier to provide robust security protection without significantly increasing the overall complexity or weight of the zipper assembly.
Data Source
AI summary
A secure zipper that can be used for enclosures that prevents manipulation of the zipper pulls when the enclosure is in a closed state, other than by use of the pull tabs of the zipper pulls, by use of a security barrier placed along side the zipper proximate to the end of the zipper.