Cradle-Mounted Audio/Video Anti-Theft Bracket for Quick Release
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Solution Overview
Problem
Existing audio/video devices, particularly those used in boats, are vulnerable to theft due to the lack of effective locking mechanisms, especially for cradle-mounted devices with quick release mechanisms.
Innovation Solution
An anti-theft device featuring a secondary security bracket with adjustable blocking arms that align with the support bracket's bolt receiving surfaces, using lock nuts and washers to secure the device, and a lock to prevent actuation of the release mechanism, thereby deterring theft.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a quick release mechanism is used for cradle-mounted devices, then ease of operation is improved, but security against theft deteriorates
Solution Approach 1:
The blocking arm is integrated within the cradle structure, forming a nested configuration where the blocking mechanism is housed inside the cradle body. This allows the security function to be incorporated without adding external components that would compromise the quick release functionality.
Solution Approach 2:
The blocking arm is pre-positioned in a default state that blocks the release mechanism before any theft attempt occurs. The arm is spring-loaded or mechanically biased to automatically engage the blocking position, providing security proactively rather than reactively.
2Reliability
If a locking mechanism is added to prevent theft, then security against theft is improved, but device complexity increases
Solution Approach 1:
The blocking function is extracted as a separate, simple arm component that can be independently positioned and engaged. This modular approach allows the security feature to be added without fundamentally redesigning the entire cradle structure, maintaining relative simplicity.
Solution Approach 2:
The blocking arm focuses security functionality on a specific local area - the release mechanism interface - rather than requiring a comprehensive locking system across the entire device. This localized approach provides effective security with minimal structural complexity.
Data Source
AI summary
An anti-theft device includes a security bracket for a cradle mounted audio/video device having a cradle configured for quickly releasing the audio/video device by actuation of a release.