Shirt Hold-Down Tether for Untucked High-Speed Riding
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Solution Overview
Problem
Existing shirt hold-down devices are ineffective in preventing unwanted movement of untucked shirts during high-speed activities such as motorcycle riding or speedboating, leading to annoyance and potential safety hazards due to shirt ballooning and obstructing the wearer's view.
Innovation Solution
A shirt with a hold-down device featuring a tether and fasteners that attach to the shirt and wearer's pants or belt, allowing adjustable tension to keep the shirt in place, even when untucked, using methods like ultrasonic welding, heat-activated adhesive, or stitching for attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the shirt is worn untucked during high-speed activities, then fashion style and comfort are improved, but the shirt balloons and moves uncontrollably due to aerodynamic forces
Solution Approach 1:
The hold-down device is segmented into multiple components: a first fastener attached to the shirt, a flexible tether connecting the fasteners, and a second fastener attached to the pants. This segmentation allows the device to adapt to different shirt styles and sizes while maintaining effectiveness in preventing shirt ballooning during high-speed activities
Solution Approach 2:
The flexible tether acts as an intermediary element between the shirt and pants, providing a flexible connection that accommodates body movement while maintaining sufficient tension to prevent the shirt from ballooning. The tether's flexibility allows it to adapt to different body positions during high-speed activities
2Stability of the object's composition
If the shirt is tucked into pants and cinched with a belt, then shirt stability is improved, but fashion flexibility and ease of adjustment are reduced
Solution Approach 1:
The hold-down device transitions from a static tucked-in configuration to a dynamic untucked configuration while maintaining shirt stability. The flexible tether allows the device to adapt to different body positions and movements during high-speed activities, providing dynamic stability without requiring the shirt to be tucked in
Solution Approach 2:
The device can be used with various shirt styles (tucked or untucked) and different body types, providing universal applicability. The adjustable tether length and flexible fasteners allow the same device to effectively hold down different shirt configurations, combining the stability of a tucked-in shirt with the fashion flexibility of an untucked shirt
3Ease of operation
If lightweight polyester shirts are used instead of heavyweight cotton, then comfort and breathability are improved, but the shirt becomes more susceptible to ballooning and lifting in high winds
Solution Approach 1:
The hold-down device applies a counteracting force to the aerodynamic forces that cause lightweight shirts to balloon and lift. The tension in the flexible tether creates a restraining force that opposes the lifting force generated by high-speed wind, effectively counterbalancing the effects of lightweight fabric
Data Source
AI summary
A hold-down attachment device attachable to the inside of a shirt and configured to reversibly attach to a wearer's pants or belt to retain the shirt in the proper position on a wearer's body.