Buckle Tension Indicator for Consistent Band Clamp Installation
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Solution Overview
Problem
Existing manual band and buckle clamp systems lack a visual indicator for proper tension, leading to variability and user error in achieving the desired retained force.
Innovation Solution
Incorporating a tension indicator, such as metal wings or tabs, into the buckle design that visually indicates when the correct tension is achieved by bending or deforming at a known tensile range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual tensioning tools are used to install band and buckle assemblies, then the tools are robust, reliable, and less expensive, but the installer cannot determine if the correct tension is achieved and installation variability is high
Solution Approach 1:
The buckle assembly performs self-verification by incorporating a tension indicator that automatically shows when the correct tension is achieved. The indicator mechanism is integrated into the buckle itself, eliminating the need for external measurement devices or expert knowledge from the installer.
Solution Approach 2:
The tension indicator uses visual color changes or positional changes of a indicator element to communicate tension status. When the band reaches the correct tension, the indicator changes appearance (such as moving to a different position or changing color), providing immediate visual feedback to the installer.
2Device complexity
If no tension indicator is provided, then the buckle design is simple, but the installer lacks confidence that bands are installed correctly and retention force varies significantly
Solution Approach 1:
The tension indicator provides immediate feedback to the installer during the installation process. As tension is applied to the band, the indicator responds by changing position or appearance, giving real-time information about the tension level and confirming when the correct tension is achieved.
Solution Approach 2:
The indicator mechanism is pre-configured with a threshold tension value during manufacturing. This preliminary setting ensures that the indicator will trigger at the correct tension level, eliminating the need for the installer to calculate or estimate the proper tension.
3Productivity
If the installer applies force without visual guidance, then the installation process is quick, but over-tensioning or under-tensioning occurs leading to failed products
Solution Approach 1:
The buckle assembly performs self-verification by incorporating a tension indicator that automatically shows when the correct tension is achieved. The indicator mechanism is integrated into the buckle itself, eliminating the need for external measurement devices or expert knowledge from the installer.
Solution Approach 2:
The patent replaces the need for complex mechanical tension measurement devices with a simple visual indicator mechanism. Instead of using sophisticated sensors or measurement instruments, the solution uses a mechanical indicator that responds to tension through the band and buckle assembly.
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 tension indicator provides a non-subjective visual confirmation of proper tension, reducing installation variability and ensuring consistent retained force across different installers.
Implementation Method 1
Incorporating a tension indicator, such as metal wings or tabs, into the buckle design that visually indicates when the correct tension is achieved by bending or deforming at a known tensile range.
Data Source
AI summary
A buckle and a band for installation onto a workpiece are provided. The buckle includes a tension indicator for indicating when a desired tension on the band has been reached during installation. The tension indicator may be a visual indicator and may include two collapsible wings that are in a first position when untensioned and move to a second position when tensioned.