Wall Mount Keyhole Layout to Prevent Electronic Device Dislodging
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Solution Overview
Problem
Existing wall mount hooks for electronic devices are insecure, as they can be easily dislodged with a single direction of movement, compromising the mounting stability, especially when the device is bumped or when connecting/disconnecting wires or inserting/removing smart cards/hard drives.
Innovation Solution
The use of two differently shaped keyhole apertures on the electronic device's mounting plate, with one being pear-shaped and the other L-shaped, positioned at different vertical levels, requiring two distinct movements (lateral and downward) to secure the device to the wall, preventing accidental dislodging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional keyhole wall mount hooks are used, then ease of installation is maintained, but mounting security deteriorates as the device can be easily dislodged with single-directional movement
Solution Approach 1:
The patent applies asymmetry by providing keyhole apertures with different geometric shapes (first keyhole with first geometric shape, second keyhole with second geometric shape) at different vertical positions. This asymmetric configuration requires two distinct movement directions (lateral and downward) to properly engage both retainers, preventing accidental dislodging while maintaining installation ease through the guided keyhole geometry
Solution Approach 2:
The patent transitions from single-directional engagement to multi-directional engagement by positioning keyholes at different vertical levels and using different geometric shapes. This adds a vertical dimension to the engagement process, requiring both lateral and downward movements to secure the device, thereby preventing dislodging that could occur with traditional single-plane keyholes
2Productivity
If keyhole apertures are aligned horizontally for ease of installation, then installation speed is improved, but mounting stability deteriorates as bumping can dislodge the screw head
Solution Approach 1:
The patent positions the first and second keyhole apertures at different vertical positions with different geometric shapes, creating an asymmetric configuration that is not horizontally aligned. This asymmetry ensures that screw heads engage at different vertical levels, providing stability against bumping forces while maintaining reasonable installation speed through the self-guiding geometry
Solution Approach 2:
The patent segments the mounting function into two separate keyhole apertures with different geometric shapes at different vertical positions. Each keyhole engages a screw head independently at a different vertical level, distributing the mounting stability function across multiple segmented engagement points rather than relying on a single aligned keyhole configuration
Data Source
AI summary
A wall mount for an electronic device includes two screw or hook receiving keyhole apertures. The two keyhole apertures have different geometric shapes with respect to each other such that the locked mounting positions of the two corresponding mounting screws or hooks which would engage the same are neither laterally nor vertically aligned with each other.