Butterfly Handle Locking Device Anti-Tampering Design
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Solution Overview
Problem
Existing sportsboard and sportscraft locking devices are either prone to tampering, require multiple components, or do not securely fit within standard butterfly handles, making them inefficient for securing boards to permanent locations.
Innovation Solution
A unitary sportsboard and sportscraft locking device with two main body portions that fit together via an axle, featuring flanges and wing arms, allowing secure attachment of padlocks and cables within a standard butterfly handle, providing a snug and tamper-resistant locking mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing locking devices are used in standard butterfly handles, then they can be installed without modification, but they fit loosely and are subject to tampering
Solution Approach 1:
The locking device is divided into two separate body portions that can be inserted into the butterfly handle independently, then joined together to form a secure unitary structure that fits tightly within the handle's interior space
Solution Approach 2:
The two body portions are nested within the butterfly handle's interior space, with each portion containing functional elements (flanges, wing arms, axles) that work together to create a snug fit and prevent tampering while maintaining compatibility with standard handle dimensions
2Ease of operation
If multi-component locking devices are used, then they can provide locking functionality, but they require multiple parts and are harder to install and store
Solution Approach 1:
Two separate body portions are designed to join together via axles and flanges to form a unified locking structure, combining the benefits of modular insertion with the simplicity of a single-unit device during operation and storage
Solution Approach 2:
The locking device is designed to work with standard butterfly handles while providing multiple functions: secure attachment points for padlocks/cables, tamper-resistant construction, and easy installation/removal capabilities
3Ease of operation
If a unitary locking device is used, then it is easier to install and store, but it may not provide sufficient security against tampering
Solution Approach 1:
The unitary device is constructed from two body portions that join together, creating internal connection points (axles, flanges) that provide structural integrity and tamper resistance while maintaining overall simplicity
Solution Approach 2:
The locking device combines multiple structural elements (body portions, flanges, wing arms, axles) into a composite unitary structure that achieves both ease of installation and high tamper resistance through integrated design
Data Source
AI summary
A butterfly handle locking device that fits into the standard butterfly handle such as found on sportsboards, sportscraft and other objects, the locking device having two main body portions that fit together, each body portion having an extending flange and a central region with an axial bore extending therethrough, the two main body portions each having a wing arm extending from the central region, the two main body portions coupled together with an axle that passes through the axial bore of each.