Security Anchor With Clamping Plate Concealing Fasteners
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Solution Overview
Problem
Existing security anchors used to secure items like vehicles or bicycles can be vulnerable to removal by dislodging the anchor from a fixed object, defeating the security measure.
Innovation Solution
A security anchor comprising a base plate with upstanding wall portions and a clamping plate that engages over the base plate, with fasteners secured behind the clamping plate, making them inaccessible and preventing removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple anchor plate is used to secure items to fixed objects, then the device complexity is reduced and ease of manufacture is improved, but the anchor becomes vulnerable to removal and security reliability deteriorates
Solution Approach 1:
The anchor is divided into two separate plates: a base plate that is secured to the fixed object, and a clamping plate that covers the fasteners. This segmentation prevents tampering while maintaining structural integrity and simplifies manufacturing compared to a fully enclosed complex structure.
Solution Approach 2:
The clamping plate is positioned over the base plate, creating a nested configuration where the clamping plate encloses the fasteners that attach the base plate to the fixed object. This nested arrangement protects the fasteners without requiring additional external components.
2Ease of operation
If fasteners are made accessible for easy installation, then ease of operation is improved, but the anchor can be readily removed and security reliability deteriorates
Solution Approach 1:
The clamping plate is designed to be installed first, covering the fastener holes before the base plate is secured to the fixed object. This preliminary action prevents subsequent access to the fasteners, ensuring security while allowing initial installation to proceed easily.
Solution Approach 2:
The clamping plate is extracted as a separate component that specifically covers the fastener attachment points. This extracted element isolates the fasteners from access without complicating the overall anchor structure or installation process.
Data Source
AI summary
A security anchor comprises a first (or base) plate and a second (or clamping) plate that is adapted to fit over and engage the first plate. In use, fasteners pass through one or more holes defined through a central portion of the first plate to secure the first plate to a fixed object, such as a wall or floor. The second plate fit overs and engages the first plate, with a tab of the second plate received in a slot defined by a first upstanding wall portion of the first plate One or more holes defined in an upstanding wall portion of the second plate are in registry with one or more holes defined through a second upstanding wall portion of the first plate, such that a locking device can be passed through a selected pair of registered holes and connected to an item that is to be secured.