Pivotable Bracket Closure for Load Securing Safety
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Solution Overview
Problem
Existing load securing systems for vehicles face issues with deformation and mechanical stress, leading to potential damage and increased risk of injury from non-central force application, and are often costly due to the need for two interconnected elements.
Innovation Solution
A closure system for belt, rope, and surface securing means featuring a pivotable and lockable bracket element that forms a single eyelet with the closure body, allowing easy opening under load and reducing the risk of injury by eliminating the need for two interconnected elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a force acts decentralized on the separating device (especially in edge or corner areas), then the mechanical stress on the separating device increases and locking means may be torn out, but the separating device can still perform its load separation function
Solution Approach 1:
The closure is divided into two separate elements: a first element (closure body with receptacle) and a second element (clip element with loop). This segmentation allows the force to be distributed across separate attachment points rather than concentrating stress on a single locking means, thereby preventing tear-out while maintaining the separating device's load separation function.
Solution Approach 2:
The loop of the clip element is inserted through the receptacle of the closure body, creating a nested configuration where one element passes through the other. This nested arrangement distributes mechanical stress across multiple contact points and structural elements, enhancing the overall reliability and preventing localized stress concentration that could tear out locking means.
2Ease of operation
If reclosable fasteners with two interconnected elements are used, then the closure can be opened and closed mechanically, but the cost increases due to the need for two elements
Solution Approach 1:
The closure system is segmented into two functional elements (closure body and clip element) that can be manufactured separately using simpler, more cost-effective processes. Each element can be produced independently with optimized manufacturing methods, reducing overall production costs while maintaining the mechanical opening and closing functionality through their cooperative interaction.
Solution Approach 2:
The first element (closure body) and second element (clip element) are designed as universal components that can be used in various closure applications. The receptacle and loop designs allow these elements to function together in different configurations and load scenarios, reducing the need for multiple specialized parts and thereby lowering manufacturing costs while preserving ease of operation.
3Reliability
If pressure is applied to the closure, then the connection is secured, but opening the closure becomes more difficult or impossible
Solution Approach 1:
The clip element is designed with a flexible or movable structure that allows it to deform dynamically under applied pressure, enabling the connection to secure firmly during loading. Simultaneously, the dynamic design includes a release mechanism that allows the clip element to be easily opened by applying force in a specific direction (such as pushing the free end away from the closure body), thus maintaining ease of operation despite the secure connection under load.
Solution Approach 2:
The opening mechanism is designed to work by applying force in the opposite direction of the closing force. While closing involves inserting the loop through the receptacle and engaging under pressure, opening is achieved by pushing the free end of the clip element away from the closure body, which disengages the connection. This inverted approach allows easy opening despite the secure connection established under load pressure.
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 provides a cost-effective, easily operable, and safer load securing mechanism that can be easily opened under tension, reducing the risk of injury and damage from deformation, while allowing for secure engagement with a single element.
Implementation Method 1
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Data Source
Figure 1a~2b
Figure 3a~4
Figure 5~6
AI summary
The invention relates to a fastener for straps, ropes and/or area securing devices, such as tensioning straps or cargo securing nets, and a separating device with a fastener, wherein the fastener has a receptacle for a strap, rope and/or area securing device or a stop device for engaging in a retaining opening to which the fastener can be attached, the fastener has a pivotable and lockable bracket element which, in the locked state, forms a first eyelet of the fastener with the fastener, wherein the receptacle can accommodate a first section of the strap, rope and/or area securing device and the fastener can, by means of the pivotable and lockable bracket element, form a detachable, mutually connectable connection with a region corresponding to the first section or an end section of the strap, rope and/or area securing device.