Electronic Shelf Label Locking Mechanism Against Unauthorized Removal
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Solution Overview
Problem
Existing electronic shelf label (ESL) systems are vulnerable to theft and vandalism as they can be easily removed from shelf edge rails by anyone, leading to loss and unauthorized relocation.
Innovation Solution
A combination of an ESL and an ESL holder featuring a spring-loaded locking mechanism that securely attaches the ESL to the shelf edge rail, requiring a specific tool for removal and preventing unauthorized sliding or removal, while also minimizing dust accumulation in unused sections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the ESL is permanently attached to the shelf edge rail, then the ESL is secure against theft and vandalism, but the ESL cannot be easily removed or repositioned by authorized personnel
Solution Approach 1:
The locking element is designed to be movable between locked and unlocked positions, transforming the static attachment into a dynamic system. The spring-loaded locking element can be actuated by a tool to move between positions, enabling the ESL to transition between secured and removable states based on authorization
Solution Approach 2:
A tool-operated mechanism serves as an intermediary between the authorized user and the locking system. The tool activates the locking element to move between locked and unlocked positions, providing controlled access without requiring permanent attachment or complex disassembly procedures
2Ease of operation
If the ESL uses a simple attachment mechanism, then it is easy to remove and install, but it becomes vulnerable to unauthorized removal and theft
Solution Approach 1:
The tool-operated locking element acts as an intermediary that adds security functionality without complicating the installation process. The gripping means provide simple engagement with the shelf edge rail, while the locking element adds protective functionality that is activated only when the appropriate tool is used
Solution Approach 2:
The attachment mechanism is segmented into distinct functional components: gripping means for engagement, locking element for security, and spring mechanism for operation. This segmentation allows each component to perform its specific function efficiently, maintaining ease of installation while adding security
3Adaptability or versatility
If the shelf edge rail has open receiving sections, then ESL installation is flexible and easy, but dust and particles accumulate in unused sections
Solution Approach 1:
The locking element design allows the receiving section to transition from an open state during installation to a closed state during operation. The locking element can be positioned to close off the receiving section after ESL installation, preventing dust accumulation while maintaining installation flexibility
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 ESLs to shelf edge rails, preventing theft and vandalism while allowing authorized removal with the correct tool, and maintains cleanliness by reducing dust accumulation in unused areas.
Implementation Method 1
A spring loaded locking element, movable between a first protruding position and a second retracted position, is arranged on the ESL for cooperative engagement with the shelf edge rail
Data Source
AI summary
An ESL and ESL holder combination includes a locking mechanism for releasably securing the ESL to the ESL holder and an ESL provided with at least one gripping means for cooperative engagement with the ESL holder. A protruding, spring loaded locking element is arranged on the ESL for cooperative engagement with the shelf edge rail. The ESL holder is attachable to the edge of a shelf, the ESL holder being provided with one or more receiving means such as slots for receiving the gripping means and the locking element in cooperative engagement. The spring loaded locking element arranged adjacent to the gripping means and positioned on the ESL such that the spring loaded locking element cannot enter the receiving means on the ESL holder during insertion of the gripping means into the receiving means, and such that it enters the receiving means by spring action when the gripping means is brought into a hooked position, in the receiving means. The spring loaded locking element prevents removal of the ESL from the ESL holder, unless the spring loaded locking element is retracted from its receiving means, and allows for the gripping means to leave its hooked position.