Watchband Hook and Loop Fastener Adjustment Mechanism
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Solution Overview
Problem
Conventional watchbands often fail to provide a secure and comfortable fit for wearable electronic devices, as they may be too tight and cause discomfort, or too loose and slide around the wrist, and adjusting the size can be cumbersome and require specialized tools.
Innovation Solution
The use of hook and loop attachment mechanisms in watchbands, where loops are woven for comfortable contact with the skin and to engage with hooks, allowing for easy adjustment and secure attachment, with a tab for manipulation and durability enhancement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional watchbands use fixed-size clasps or elasticated expansion, then the device can be securely attached to the wrist, but the fit adjustment is limited and may cause discomfort or sliding
Solution Approach 1:
The watchband employs a dynamic adjustment mechanism with multiple hole positions along the band, allowing the user to selectively engage the tongue with different holes to achieve continuous size adjustment. This resolves the contradiction by enabling both secure attachment (through proper tensioning) and easy fit adjustment (through multiple position options), eliminating the fixed-size limitation of conventional clasps.
2Ease of operation
If conventional watchbands use incremental adjustment mechanisms like buckles, then the size can be adjusted, but the adjustment requires specialized tools and expertise
Solution Approach 1:
The watchband is segmented with multiple discrete hole positions along its length, allowing the tongue to engage with any individual hole. This segmentation enables incremental size adjustment without requiring complex mechanisms or specialized tools - the user simply needs to thread the tongue through the desired hole, greatly simplifying the adjustment process while maintaining precision.
3Reliability
If the watchband is made too tight to prevent sliding, then securement is improved, but comfort deteriorates
Solution Approach 1:
The multiple-hole adjustment system enables dynamic optimization of the fit, allowing users to select the precise tension needed to prevent sliding without excessive tightness. By providing continuous adjustment options, the system finds the optimal balance point where the band is secure enough to prevent sliding but loose enough to maintain comfort, resolving the harmful trade-off between security and comfort.
Data Source
AI summary
A watchband can comfortably secure an electronic device to a wrist of a user. The watchband can include a base having a contact surface opposite an engagement surface, contact loops on the contact surface for contacting a user, and engagement loops on the engagement surface for engaging hooks. The hooks can be provided on the engagement surface, opposite some of the contact loops. Edge sections of the base can wrap around a central section to define an end of the base. A tab can extend from an end of the base to facilitate attachment, adjustment, and/or removal of the watch band. The tab can further help maintain the assembled parts in place to enhance durability of the watchband.