Captive Seal Trim for Panel Alignment and Repair
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Solution Overview
Problem
Existing computing device housings that use adhesive strips to attach panels, such as glass panels, pose challenges in repairability and alignment, as they require heat and careful prying for removal and reassembly.
Innovation Solution
A trim subassembly comprising a non-compliant component attached to the panel and a compliant component inserted into a slot of the housing, which secures the panel in place without adhesives, allowing for easier removal and alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If adhesive strips are used to attach the panel to the housing, then the panel is securely fixed, but the repairability and alignment become difficult requiring heat and careful prying
Solution Approach 1:
The attachment system is segmented into a separate trim subassembly that can be independently removed from the housing. This trim subassembly includes the mounting structure with slots and attachment features, allowing the panel to be detached by removing the trim rather than directly detaching the panel from the housing through adhesive removal.
Solution Approach 2:
The trim subassembly acts as an intermediary component between the panel and the housing. It provides the attachment function while being designed for easy removal and reinstallation, thus mediating between the need for secure attachment and the need for ease of repair.
2Stability of the object's composition
If adhesive strips are used to attach the panel, then the panel remains fixed, but alignment precision is lost during reassembly
Solution Approach 1:
The trim subassembly is pre-formed with specific slot positions and attachment features that establish the correct panel alignment before the panel is installed. The slots are positioned to guide the panel into proper alignment, and attachment features are pre-configured to secure the panel at the correct position.
Solution Approach 2:
The trim subassembly includes visual alignment indicators such as colored marks or features that change appearance or position to guide proper panel installation. These indicators help ensure precise alignment during reassembly by providing visual feedback on the correct positioning.
3Ease of repair
If a trim subassembly with compliant component is used, then ease of repair improves, but device complexity increases
Solution Approach 1:
The trim subassembly merges multiple functions into a single component: it provides structural support, contains the attachment features for the panel, includes the compliant component for sealing and alignment, and incorporates the mounting structure. This integration reduces the number of separate parts while maintaining ease of repair.
Solution Approach 2:
The trim subassembly serves multiple purposes: it attaches the panel to the housing, provides sealing through the compliant component, guides alignment during installation, and protects internal components. This multi-functionality justifies the added complexity by eliminating the need for separate adhesive applications, seals, and alignment features.
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 trim subassembly enables easier repair and maintenance by allowing the panel to be removed without heat or damage, and automatically centers the panel during reassembly, while also providing a seal against water and dust ingress.
Implementation Method 1
a compliant component that is inserted into the slot of the housing... the compliant component is disposed between one or more sides of the non-compliant component and the housing
Data Source
AI summary
An example computing device includes a housing, wherein the housing includes a slot along at least a portion of an interior side of the housing; a panel; and a trim subassembly, wherein the trim subassembly includes a non-compliant component and a compliant component, wherein at least a portion of the non-compliant component is attached to the panel, wherein the compliant component is inserted into the slot of the housing, and wherein the compliant component is disposed between one or more sides of the non-compliant component and the housing.