Spring-Loaded Latch Assembly for Portable Device Cover
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Solution Overview
Problem
Conventional portable electronic devices, such as handheld wireless communication devices, often require users to use two pointed objects to disengage the cover from the housing, making it physically challenging to access the battery compartment for replacement.
Innovation Solution
The implementation of spring-loaded latch assemblies along the edges of the cover, which can be manually operated to disengage from the housing, allowing the cover to be easily pivoted outward and removed, exposing the battery compartment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cover is secured tightly to the housing using conventional sliding hooks, then the cover remains securely attached, but users find it physically challenging to slide the cover off and on the housing
Solution Approach 1:
The latch assembly incorporates a spring mechanism that dynamically adjusts the engagement state. The spring-loaded tab automatically engages with the recess when the cover is closed, providing secure attachment, but can be easily disengaged by applying minimal force in the opposite direction, enabling easy removal without requiring significant physical effort
Solution Approach 2:
The latch assembly acts as an intermediary mechanism between the cover and housing. Instead of directly sliding the cover against the housing as in conventional designs, the latch assembly mediates the connection through its spring-loaded tab that engages with the recess, providing both secure attachment and easy release through a simplified mechanical interaction
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
Enables users to access the battery compartment with ease, reducing the physical effort required for cover removal and providing a secure, efficient mechanism for battery replacement.
Implementation Method 1
spring-loaded latch assemblies that can be manually operated to disengage from the housing
Implementation Method 2
spring-loaded latch assemblies which can be manually operated to disengage from the housing, allowing the cover to be easily pivoted outward and removed
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
An apparatus for securing a cover over an opening defined in a housing of a portable electronic device includes a pair of latches along opposite edges of the cover. Each latch assembly has a cap affixed to the cover and partially housing a latch that is slidable therein. Each latch is biased by a separate spring into a first position, at which a tab on that latch projects from the cap and engages the housing. An actuator on each latch extends outside the respective cap for engagement by a user to slide the latch into a second position in which the associated tab is retracted from engaging the housing.