Data Port Locking Fingers for Tight-Clearance Device Security
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Solution Overview
Problem
Existing security apparatuses for portable electronic devices fail to effectively secure through data ports due to the tight clearance and design of these ports, preventing secure engagement and connection.
Innovation Solution
A security apparatus with an engagement mechanism featuring fingers that extend through the data port opening, including alignment members and a lock cylinder, allowing secure engagement with the device's sidewalls and preventing unauthorized removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing security apparatuses are used to secure portable electronic devices through data ports, then security protection is provided, but the tight clearance and design of data ports prevent effective engagement and connection
Solution Approach 1:
The security apparatus is divided into distinct functional segments: a body housing, a lock cylinder, an engagement mechanism with fingers, and an alignment member. This segmentation allows each component to perform its specific function independently, enabling the apparatus to navigate the tight clearance of data ports while maintaining secure engagement.
Solution Approach 2:
The alignment member acts as an intermediary element that facilitates proper insertion and positioning of the engagement mechanism within the data port. It ensures the fingers are correctly aligned with the sidewalls before engagement occurs, solving the problem of ineffective connection caused by tight port design.
2Ease of operation
If the engagement mechanism is designed to fit through tight data port clearances, then insertion is enabled, but secure engagement with sidewalls becomes difficult
Solution Approach 1:
The engagement mechanism employs movable fingers that can dynamically adjust their position. The fingers are spring-loaded or bias-sprung to automatically engage with the sidewalls once inserted, transforming the static insertion problem into a dynamic engagement process that ensures secure connection despite tight clearances.
Solution Approach 2:
The fingers are designed with specific local geometries including engagement surfaces and lips that concentrate force at precise contact points on the sidewalls. This localized quality enhancement ensures strong engagement at the finger-sidewall interface while maintaining overall compact dimensions for port insertion.
3Reliability
If a lock cylinder is added to secure the engagement mechanism, then unauthorized removal is prevented, but the device complexity increases
Solution Approach 1:
The lock cylinder is integrated within the body housing of the engagement mechanism, merging the locking function with the existing structural components. This combination approach provides security against unauthorized removal while minimizing additional complexity by reusing the body housing as part of the lock assembly.
Solution Approach 2:
The body housing serves multiple functions: it houses the lock cylinder, supports the engagement fingers, and provides structural integrity. This multi-functionality reduces overall device complexity by eliminating the need for separate components for each function.
4Manufacturing precision
If an alignment member is included to ensure proper positioning, then engagement accuracy is improved, but the manufacturing complexity increases
Solution Approach 1:
The alignment member features asymmetric geometry with a tapered or angled leading edge that naturally guides insertion into the data port. This asymmetric design self-aligns the engagement mechanism during insertion, improving positioning accuracy while requiring only simple machining operations.
Solution Approach 2:
The alignment member performs the alignment function during the insertion process itself, before final engagement occurs. This preliminary action ensures correct positioning is achieved automatically through the insertion motion, eliminating the need for complex adjustment mechanisms or post-insertion alignment procedures.
Data Source
AI summary
A security apparatus includes a body having an opening at a forward edge of the body, a lock cylinder located within the body, and an engagement mechanism including a first finger and a second finger extending out of the body through an opening. The lock cylinder is configured to move the first and second fingers between a first position in which the engagement mechanism is removable from the data port and a second position in which the engagement mechanism is secured to the data port. Each of the first and second fingers includes a surface configured to engage the sidewall of the portable electronic device. An alignment member is configured to extend into the opening and remain within the opening when the engagement mechanism is in the second position, wherein the alignment member includes a surface configured to engage the forward edge of the body.