Adjustable Headbands With Graded Stiffeners For Secure Fit
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Solution Overview
Problem
Existing headbands for electronic devices often fail to provide a comfortable and secure fit, as they do not adequately conform to the user's head and can slip during use.
Innovation Solution
The headband includes upper and lower portions that extend from the head-mounted housing at fixed angles, with integrated stiffeners such as graded stiffeners, braided cords, and temple housings to provide structural support and adaptability to the user's head.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the headband is made flexible to conform to the user's head, then comfort and adaptability are improved, but structural support and stability deteriorate
Solution Approach 1:
The headband incorporates stiffeners at specific locations (temple areas, rear support zones) while maintaining flexibility in other regions. This localized reinforcement allows the headband to conform to the user's head shape in flexible areas while providing necessary structural support at critical points through integrated stiffeners and temple housings.
Solution Approach 2:
The headband combines multiple materials with different mechanical properties - flexible webbing or fabric for conformity, combined with rigid or semi-rigid stiffeners and temple housings for structural support. This composite construction resolves the contradiction by integrating both flexible and rigid components into a unified structure that provides both adaptability and strength.
2Stability of the object's composition
If the headband is made rigid to provide structural support, then stability and moment-bearing capability are improved, but comfort and adaptability to head shape deteriorate
Solution Approach 1:
Rigid structural elements are strategically positioned at the temple housings and rear support areas where stability is most needed to prevent slippage, while the front and side portions remain more flexible to conform to the user's head shape. This localized rigidity distribution maintains both stability and comfort.
Solution Approach 2:
The headband uses composite construction with rigid components (temple housings, stiffeners) providing stability and anti-slip properties, combined with flexible materials (webbing, fabric) that allow the headband to adapt to different head shapes and sizes, resolving the contradiction between rigidity and adaptability.
3Strength
If the headband uses integrated stiffeners and temple housings to provide moment-bearing support, then structural stability is improved, but device complexity increases
Solution Approach 1:
The temple housing integrates multiple functions into a single component - it serves as both a structural support element and a attachment point for the headband, combining the functions of a rigid support structure with a mounting mechanism. This merging reduces the number of separate parts while maintaining moment-bearing capability.
Solution Approach 2:
The stiffeners and temple housings are designed to perform multiple functions simultaneously - providing structural support, enabling moment-bearing capacity, facilitating headband attachment, and contributing to the overall shape and comfort. This multi-functionality reduces the need for separate dedicated components, thereby reducing overall device complexity.
Data Source
AI summary
A head-mounted device may have a head-mounted housing containing rear-facing displays that display images for a user when the head-mounted housing is worn. The head-mounted housing may be coupled to the user's head using a headband. The headband may include an upper headband portion and a lower headband portion that extends from the first headband portion. The upper and lower headband portions may extend from the head-mounted housing at fixed angles and may be offset from a support post of the head-mounted housing. Stiffeners may be included in the upper and lower headband portions. The stiffeners may include graded stiffeners and/or braided cords that help the upper and/or lower headband portions conform to a user's head. The headband may also include a temple housing coupled to the upper and lower headband portions that has an opening to attach the headband to the support post and/or may include keeper loops.