Deformable Slider Hat Size Adjustment Mechanism
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Solution Overview
Problem
Existing size adjustment systems for clothing items like hats often fail to provide a personalized and comfortable fit, as users struggle to find suitable positions that cater to their specific body size and type.
Innovation Solution
A size adjustment system comprising a first piece and a second piece that are releasably engageable and operatively attached to at least two portions of a hat. The system allows for size adjustment by moving the pieces relative to each other, with a deformable body serving as an engaging mechanism to lock the pieces in place when desired.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional size adjustment systems use fixed positions (notches, holes), then the structure is simple, but the user cannot achieve a personalized and comfortable fit
Solution Approach 1:
The patent transforms the static fixed-position adjustment system into a dynamic continuous adjustment system. The flexible tape with multiple holes and the movable slider allow the hat size to be adjusted continuously rather than at discrete fixed positions, enabling personalized fit while maintaining structural simplicity through the use of flexible materials and basic mechanical components
Solution Approach 2:
The adjustment system is segmented into multiple discrete holes along the flexible tape, each representing a potential size position. The slider can engage with any of these holes, providing segmented adjustment options that combine the simplicity of fixed positions with the flexibility of multiple size choices
2Ease of operation
If the size adjustment system allows continuous movement, then personalized fit is achieved, but the adjustment mechanism becomes more complex
Solution Approach 1:
The slider is designed to be manipulated directly by the user's finger, and the spring-loaded mechanism automatically engages with the holes on the flexible tape without requiring additional tools or complex operations. The system serves itself by using the user's natural finger movement to both adjust and lock the size
Solution Approach 2:
The patent replaces complex mechanical locking mechanisms with a simpler spring-loaded slider that engages with holes in the flexible tape. This substitution uses elastic deformation of the slider body rather than traditional mechanical fasteners, reducing overall mechanism complexity while maintaining ease of operation
3Ease of operation
If the projection is easily deformable, then user manipulation is simple, but the locking reliability may be compromised
Solution Approach 1:
The slider's material properties are optimized to have specific elastic characteristics - sufficiently deformable under finger pressure for easy manipulation, yet rigid enough when engaged to provide reliable locking. The design changes the parameter of material elasticity to balance ease of operation with locking reliability
Solution Approach 2:
The spring-loaded design incorporates pre-compression or pre-tension that cushions the engagement between the slider and holes. This beforehand cushioning ensures that once engaged, the connection is secure and reliable, compensating for the initial deformability needed for easy manipulation
Data Source
AI summary
A size adjustment system enables a wearer to adjust the size of an article of clothing such as a hat, to obtain a desired personalized fit. Exemplary arrangements include releasably engageable first and second pieces that are respectively attached to disposed portions of the article of clothing. A first piece includes a manually deformable body including a projection, and a second piece includes a plurality of projections or recesses extending along a surface thereof that are engageable with the projection. In an undeformed condition of the body the projection is engaged with one of the projections or recesses and the first and second pieces are held in fixed relative positions. Manual deformation of the body causes the projection to disengage from the projection or recess, and the first and second pieces are relatively movable until the body is returned to the undeformed condition, and the pieces are again held in fixed positions.