Enclosure Latch Tool Positioning Aperture
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Solution Overview
Problem
The existing electrical component enclosures face challenges in actuating latches using a tool blade, as it is difficult to properly locate the tool blade to engage latch elements, leading to potential damage and the need for two-handed operation, which complicates lid removal and increases the risk of misplacement.
Innovation Solution
The electrical component enclosure design includes a tool positioning aperture with a chamfered surface and locating indicia to guide the tool blade, allowing for proper alignment and application of force to actuate the latch in a single motion, providing physical feedback for proper engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If latch elements are located within an enclosure recess to prevent inadvertent actuation, then security against inadvertent actuation is improved, but visual confirmation of component engagement and actuation by a tool blade becomes difficult or not possible
Solution Approach 1:
A reflective surface is introduced as an intermediary element within the recess to reflect light and provide visual feedback about latch engagement status. This mediator allows the user to see the latch state without exposing the latch elements to external view, thus maintaining security while enabling detection.
2Ease of operation
If a tool blade is used to actuate latch elements, then lid removal can be achieved, but proper location of the tool blade becomes difficult and time-consuming
Solution Approach 1:
A tool positioning feature is pre-formed in the recess during manufacturing, which preliminarily guides and positions the tool blade before actuation. This preliminary positioning action eliminates the need for the user to search and locate the correct tool position, saving time and effort.
Solution Approach 2:
A tool positioning feature acts as an intermediary structure that receives and guides the tool blade into the correct position. This mediator translates the user's general insertion action into precise tool positioning, making the operation easier and faster.
3Reliability
If latch elements are protected within a recess, then inadvertent actuation is prevented, but application of force by a tool blade becomes more difficult
Solution Approach 1:
A tool positioning feature serves as an intermediary mechanism that channels and concentrates the user's applied force directly onto the latch element. This mediator ensures that the force is effectively transmitted while maintaining the protective recess structure.
Solution Approach 2:
The tool positioning feature extends the interaction space into a new dimension by providing a three-dimensional guiding structure that accommodates the tool blade at the correct angle and depth, making force application easier while maintaining security.
4Productivity
If a disengagement force is applied to the tool, then lid removal can be initiated, but poor location of the tool blade can result in failed actuation and potential damage to the enclosure or components
Solution Approach 1:
The tool positioning feature preliminarily positions and constrains the tool blade before force application, ensuring correct alignment. This preliminary positioning prevents mislocation that could lead to failed actuation or damage during the disengagement process.
Solution Approach 2:
The tool positioning feature provides a cushioning or guiding effect that prevents excessive or misdirected force from reaching the latch element and surrounding components. This protective guidance reduces the risk of damage even if the user applies excessive force.
Data Source
AI summary
An enclosure assembly for housing printed circuit boards and related electrical components having a secured faceplate that may be removed by use of a hand tool.