Rotating Strap Securing Plate for HMD Pressure Distribution
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Solution Overview
Problem
Head-mounted displays (HMDs) face challenges in providing a comfortable and secure fit due to their weight, which can exert pressure on the user's head, and existing strap systems lack adjustability and rotatability to accommodate varying user preferences and comfort levels.
Innovation Solution
A strap system featuring securing plates with rotatable attachment to the HMD, adjustable strap lengths, and a design that includes loops and an elastic portion to distribute pressure and allow for customizable fit, utilizing Velcro for secure attachment and adjustable center bridges for optimal alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a strap system is used to secure the HMD to the user's head, then the HMD can be held securely, but the weight of the HMD exerts pressure on the user's head causing discomfort
Solution Approach 1:
The securing plate is designed to rotate relative to the HMD body, allowing dynamic adjustment of the strap angle and position. This enables the strap to be oriented at different angles to distribute weight more evenly across the head, reducing localized pressure while maintaining secure attachment.
Solution Approach 2:
The strap length is made adjustable through the rotatable securing plate mechanism, allowing users to change the strap tension and angle parameters. This enables optimization of the weight distribution to minimize pressure on the head while maintaining reliable securing.
2Adaptability or versatility
If a fixed strap system is used, then the structure is simple, but it lacks adjustability to accommodate varying user preferences and comfort levels
Solution Approach 1:
The securing plate incorporates a rotatable joint that allows the strap angle to be dynamically adjusted. This simple rotational mechanism provides multiple positioning options without requiring complex adjustment systems, achieving adaptability while maintaining structural simplicity.
Solution Approach 2:
The rotatable securing plate serves multiple functions: it acts as both the attachment point for the strap and the adjustment mechanism. This multi-functionality provides adaptability without adding separate complex adjustment components.
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 strap system ensures a comfortable and secure fit by allowing adjustable length and rotatable orientation, distributing pressure evenly and accommodating different user preferences, thereby enhancing the usability and interaction experience with HMDs.
Implementation Method 1
An end portion of the strap is flipped over the front loop and secured to a portion of the strap on the flat potion of the securing plate to fix the strap to the securing plate
Data Source
AI summary
Embodiments relate to a strap system having a securing plate and a strap. The securing plate is configured to be secured to a body of a head-mounted display in a rotatable manner. The securing plate includes a flat portion, a rear loop located at a first end of the flat portion, and a front loop located at a second end of the flat portion. The strap is inserted through the rear loop and the front loop of the securing plate. An end portion of the strap is flipped over the front loop and secured to a portion of the strap on the flat potion of the securing plate to fix the strap to the securing plate.